WinAC_SE_v10_e

Application about Control

PC-Based Automation by Means of SIMATIC WinAC

Automation by Means of SIMATIC Microbox 420-RTX

Warranty, liability and support

Automation by Means of SIMATIC Microbox 420-RTX Item-Number: 23942303

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Note The application examples are not binding and do not claim to be complete regarding the circuits shown, equipping and any eventuality. The application examples do not represent customer-specific solutions. They are only intended to pro-vide support for typical applications. You are responsible in ensuring that the de-scribed products are correctly used. These application examples do not relieve you of the responsibility in safely and professionally using, installing, operating and servicing equipment. When using these application examples, you recognize that Siemens cannot be made liable for any damage/claims beyond the liability clause described. We reserve the right to make changes to these application examples at any time without prior notice. If there are any deviations between the recommendations provided in these application examples and other Siemens publications - e.g. Catalogs - then the contents of the other documents have priority.

Warranty, liability and support We do not accept any liability for the information contained in this document.

Any claims against us - based on whatever legal reason - resulting from the use of the examples, information, programs, engineering and performance data etc., described in this application example shall be excluded. Such an exclusion shall not apply in the case of mandatory liability, e.g. under the German Product Liability Act (“Produkthaftungsgesetz”), in case of intent, gross negligence, or injury of life, body or health, guarantee for the quality of a product, fraudulent concealment of a deficiency or breach of a condition which goes to the root of the contract (“wesentliche Vertragspflichten”). However, claims arising from a breach of a condition which goes to the root of the contract shall be limited to the foreseeable damage which is intrinsic to the contract, unless caused by intent or gross negligence or based on mandatory liability for injury of life, body or health The above provisions does not imply a change in the burden of proof to your detriment.

Copyright© 2006 Siemens A&D. It is not permissible to transfer or copy these application examples or excerpts of them without first having prior authorization from Siemens A&D in writing.

For questions about this document please use the following e-mail address:

mailto:[email protected]

mailto:[email protected]

Foreword


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Foreword

Objective of the application The SIMATIC Windows Automation Center (WinAC) offers you an open, versatile and robust basis to realize your automation solution on a PC-based basis.

Its full compatibility with SIMATIC S7 combined with interfaces to the open PC world enables you to combine your classic automation tasks with the options of the PC world. Using the SIMATIC Microbox 420-RTX offers a powerful and very robust platform for your automation solution with WinAC.

Ten examples have been developed up to now for quick and easy introduction in the PC-based automation with SIMATIC WinAC. These examples include the sample code and detailed documentation. The specific tasks discussed in these application examples will help you to become familiar with the relevant subjects.

Two further examples are planned which are marked with a question mark in the following diagram.

Arrangement of the examples The automation tasks described in the examples are related to typical tasks occurring in automation technology:

• Control

• Communication

• Visualization

• Technology

Foreword


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The individual examples To allow optimum use of PC-based automation, we have developed one example from the “classic” PLC world, one from the “open” PC world and one from the "embedded" world for each of the four typical automation tasks (control, communication, visualization, technology).

The following figure shows all realized and planned examples with their assignment to the particular fields of use. The example on the topic of “Automation by Means of SIMATIC Microbox 420-RTX” is highlighted with a red frame. Figure 0-1

Exa

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PC

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atio

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Controlling Visualizing Technology Communication

Exa

mpl

esfro

mth

ecl

assi

cw

orld

Exa

mpl

esfro

mth

eop

enw

orld

Automating with WinAC RTX

• Installing the PCplatform

• Process interfacefor WinAC RTX

• Configuration ofWinAC

Data exchange via OPC XML

• Dynamic recipedata control

• Data exchange to the database via OPC XML

• ADO.NET databaseinterface

Interaction of WinCCand WinAC

• Tuning for WinACRTX

• Connecting WinCCto WinAC RTX

• Visualizing withWinCC

Visualizing with Visual Basic.NET + OPC XML

• Access to OPC XMLvia VB .NET

• Setting up web serverwith IIS

• Local and remotevisualization

Positioning with WinAC RTX

• Positioning withEasy Motion Control

• Connecting aMICROMASTER 440

SIMATIC Vision Sen-sors snd WinAC ODK

• Configuration of theVision Sensor

• Application of the CCXinterface ofWinAC ODK

• Communication VisionSensor with ODK

Sending e-mails with WinAC RTX

• Application of the SMXinterface ofWinAC ODK

• Sending e-mailsvia MAPI

S7 communication with WinAC RTX

• S7 communicationwith BSEND/BRCV

• via IndustrialEthernet

• Communication:WinAC ↔ S7-300

Exa

mpl

esfro

mth

eem

bedd

edw

orld

Is planed Is plannedAutomating with SIMATIC Microbox 420-RTX

• Basics for theMicrobox 420-RTX

• Installing theMicrobox 420-RTX

• Remote Control

• DiagMonitor

Visualizing with Visual Basic .NET via WinAC ODK

• Access to data indata blocks of thecontroller

• WinAC ODK, SMXused as interface

Foreword


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Basis of the examples The common basis of all examples is a virtual "mixing process". Using this “mixing process”, the different tasks and automation components from the product range of PC-based automation are applied.

Plant display The following figure shows the system graph of the “mixing process”. The red frame indicates the components described in this example. Figure 0-2

Vision Sensor SIMATIC VS 723

SIMATIC S7-300controller

C++ E-Mail

application

C++Controlprogram

WinCC

Visual Basic .NET visualization

(local)

ET200SCompact

Database(e.g. MS Access)

SIMATICWinAC RTX

SIMATIC NET

Microbox 420-RTX System

Easy Motion Control

WinAC ODK

Micromasterwith motor

WinAC ODK

CP 5611

Visual Basic .NET visualization

(remote)

Ethernet interface

VB.NET visualization

WinAC ODK

Reference to Automation and Drives Service & Support This entry is from the internet application portal of Automation and Drives Service & Support. Clicking the link below directly displays the download page of this document.

http://support.automation.siemens.com/WW/view/en/23942303


Table of Contents


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Table of Contents 1 Task.................................................................................................................. 7

2 Configuration of the Automation Solution ................................................... 8 2.1 Presentation of involved components............................................................... 8 2.2 Required components....................................................................................... 8 2.3 Performance data ........................................................................................... 11 2.4 Customer benefit ............................................................................................ 11

3 Description of the Microbox 420-RTX......................................................... 12 3.1 Functional basic data of the SIMATIC Microbox 420-RTX ............................. 12 3.2 Particularities of the Microbox 420-RTX ......................................................... 13 3.3 The “Enhanced Write Filter”............................................................................ 16

4 Setting up the Microbox 420-RTX ............................................................... 19 4.1 Requirements ................................................................................................. 19 4.2 Preparatory configuration ............................................................................... 20 4.3 Installing the example program....................................................................... 29 4.4 Startup characteristics of WinAC RTX............................................................ 32 4.5 Operating WinAC RTX.................................................................................... 35 4.6 Setting the retentivity of WinAC RTX.............................................................. 36

5 Remote Control............................................................................................. 39 5.1 Remote Desktop ............................................................................................. 40 5.2 Using Remote Desktop for remote control...................................................... 40 5.3 Virtual Network Computing (VNC) .................................................................. 43 5.4 Using VNC for remote control ......................................................................... 46 5.5 Remote Desktop vs. VNC............................................................................... 49

6 DiagMonitor................................................................................................... 50 6.1 Installing DiagMonitor ..................................................................................... 50 6.2 Configuring WinAC for data transmission....................................................... 50 6.3 Configuring DiagMonitor for data transmission............................................... 51 6.4 Simulating an alarm in DiagMonitor................................................................ 55

7 Operating the Example Program................................................................. 58

8 Restoring the System................................................................................... 61

9 Bibliographic References ............................................................................ 63

Task


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1 Task

Task specification/ overview The present example describes the SIMATIC Microbox 420-RTX which is referred to in the following as Microbox 420-RTX. Moreover, basic data of the Microbox 420-RTX are explained. The procedure for installation and commissioning is described in detail by means of an automation task.

• Commissioning of the Microbox 420-RTX

• Installation of hardware and software

• Configuration of WinAC RTX for retentive data

• Remote Control

– Remote Desktop

– Virtual Network Computing (VNC)

• DiagMonitor

– Installation & configuration

– Data transmission in WinAC

• Restoring the system by means of restore CD

Principle view of the automation solution The following figure shows the interaction of the automation components, which are described in this example in principle. Figure 1-1

WinAC RTX

WinAC Station (Microbox 420-RTX) Periphery

PROFIBUS DP (PB)

ET 200SIM151-1

CP 5611

Program-cycle OB 1

I/Os

Configuration of the Automation Solution


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2 Configuration of the Automation Solution

The hardware structure of the automation solution is described in this chapter. The respectively required hardware and software components are listed in a table in chapter 2.2 “Required components”.

2.1 Presentation of involved components

The following figure shows the hardware setup of the sample application and the standard and user software components involved. Figure 2-1

Indu

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• WinAC RTX (+ SIMATIC NET)• CP5611

WinAC Station (Microbox 420-RTX)

PROFIBUS

Periphery

• STEP 7PG/PC

• ET 200S, IM151-1•16 DI / 16 DO

2.2 Required components

The hardware and software components for the different stations are listed in the following tables.

Hardware components The components listed below can be ordered directly in the Siemens A&D Mall at https://mall.automation.siemens.com.

https://mall.automation.siemens.com/



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Please refer to the indicated FAQs on the A&D Support Homepage at http://support.automation.siemens.com (please enter the FAQ ID into the search field). Table 2-1

Component No. MLFB / order number Note SIMATIC Microbox 420-RTX 1 GB compact flash card

1 6ES7675-1BB30-0PA0

SIMATIC S7-300, PS 307 power supply

1 6ES7307-1BA00-0AA0 For the Microbox 420-RTX, a suitable connector is required.

USB keyboard 1 Standard PC keyboard

USB mouse 1 Standard PC mouse

Monitor 1 With DVI interface if possible

Graphics adapter DVI to VGA

1 Only required if your monitor is not equipped with a DVI interface

I/O hardware components Table 2-2

Component No. MLFB / order number Note Connection for ET200 S Compact IM151-1 Compact

1 6ES7 151-1CA00-3BL0

Mounting rail L=480mm 1 6ES7 390-1AE80-0AA0

Hardware components for the PG/PC Table 2-3

Component No. MLFB / order number Note Programming device Field PG with Pentium 4

1 6ES7711-2EA21-3LB4 Configuration Editor: See FAQ ID 17128155

Crossed Ethernet cable 0.5m (cross cable)

1 6XV1850-2HE50

MPI cable 1 6ES7901-0BF00-0AA0

http://support.automation.siemens.com/

http://support.automation.siemens.com/WW/view/EN/17128155



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Software components of the Microbox 420-RTX Table 2-4

Component No. MLFB / order number Note Windows XP Embedded Service Pack 2

1 Pre-installed and licensed

SIMATIC WinAC RTX 2005 SP1

1 Pre-installed and licensed

Restore CD for SIMATIC Microbox 420-RTX

1 Optional; can be ordered free of charge at A&D Service & Support

VNC Server Free Edition V4.1.2

1 Optional; available for download on the Internet at RealVNC Ltd.

DiagMonitor 3.0 1 6ES7648-6CA03-0YX0

Software components of the PG/PC Table 2-5

Component No. MLFB / order number Note STEP 7 V5.4 1 6ES7 810-4CC07-0YA5 VNC Viewer Free Edition V4.1.2

1 Optional; available for download on the Internet at RealVNC Ltd.

Example project This application consists of the components listed in the following table. These components are part of the present application example (available for download on the Internet).

For further information on the commissioning of hardware and software, refer to chapter 5 "Setting up the Microbox 420-RTX“. Table 2-6

Component Note 23942303_WinAC_SE_CODE_v10.zip

This ZIP file contains: A complete STEP 7 project for controlling a virtual mixing process

23942303_WinAC_SE_DOKU_v10_e.pdf This document

http://www.realvnc.com/




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2.3 Performance data

For performance data on WinAC RTX, please refer to the application “Automation with WinAC RTX” or to the manual. Both entries can be downloaded from the A&D Service and Support portal on the Internet.

2.4 Customer benefit

Customer benefit of this application • Rapid familiarization with contexts concerning automation with WinAC

RTX and the Microbox 420-RTX • You can get to know very quickly the particularities of the Microbox 420-

RTX • Support for hardware configuration by means of the example

Customer benefit of the Microbox 420-RTX • Very robust, thus also appropriate for harsh industrial environment

– regarding EMC

– regarding temperature conditions

– regarding shocks and vibrations

• Embedded system: Access protection against system modifications by viruses or unauthorized access

• Maintenance-free since available without mechanically moved parts

• Easy mounting (mounted onto the wall or onto a top hat rail)

• Expandable by open interfaces (PROFIBUS, PC/104, USB, Ethernet)

• Control of the Microbox 420-RTX without connected I/O devices

• Routing via subnet limits towards S7 stations

• Integrated system diagnostics

– Programming errors

– Memory errors

– Module failure

– Channel errors

• Programming and configuration with SIMATIC STEP 7 Existing know-how as well as all S7 programming languages can be used.

Description of the Microbox 420-RTX


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3 Description of the Microbox 420-RTX

3.1 Functional basic data of the SIMATIC Microbox 420-RTX

The following table shows some basic data of the Microbox 420-RTX (as of: Summer 2006). For the latest basic data, refer to the Configuration Editor of the Microbox 420-RTX in the A&D Mall.

Table 3-1

Characteristics Available version

Processor 3 different processors: Intel Celeron 400 MHz Intel Celeron 650 MHz Intel Pentium III 933 MHz

Main memory from 128 MB up to 512 MB Drives 40 GB hard disk or

256 MB up to 1 GB compact flash Operating system Windows XP Professional or

Windows XP Embedded SP2 pre-installed RMOS3 V3.30 Other operating systems are possible.

Software • WinAC RTX 2005 SP1 • Softnet PG • SIMATIC NET OPC

Temperature range 0 to + 45 / + 50 ° C (when using compact flash memory cards; depending on installation position)

Expandability • Up to 3 PC/104 (Plus) modules • Expandability via USB interfaces

Interfaces • 4 x USB • 1 x RS 232 (serial) • DVI-I (DVI digital or VGA

analog) • 2 x 10/100 Mbit Ethernet • 1 x PROFIBUS DP 12 MHz

(optional) • Profibus DP • Other field buses upon request

Power supply • 24 V DC voltage Graphics • Integrated, up to 1600 * 1200

pixels, depending on monitor / LC display



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Buffer memory • 128-KByte battery-buffered SRAM of which 25 Kbytes can be used for retentivity without UPS

Note The configuration used in the present application (SIMATIC Microbox 420-RTX) is highlighted in bold type.

3.2 Particularities of the Microbox 420-RTX

Outstanding features The SIMATIC Microbox 420-RTX excels in the following characteristics:

• High ruggedness

• Data retentivity

• Compact design

• Free of maintenance

• Latest technology

• Real-time capability

• Protective mechanism for compact flash memory cards

• Readily pre-installed for control tasks with WinAC RTX

Ruggedness The device is highly EMC-proof due to an all-metal housing and a potential-isolated power supply.

Furthermore, the thermal load of the Microbox 420-RTX is reduced by means of a large heat dissipator and low supply voltage of the semiconductor components.

The mechanically stable structure and missing of mechanically moved parts (when using a compact flash memory card) ensure resistance of the Microbox 420-RTX against shocks and vibrations.

Data retentivity: Basics Data retentivity means that the current values of variables in the controller (e.g. process values) are maintained even after a voltage drop during a warm start. Examples for retentive variables:

• Flag

• Counter

• Times

• Data blocks

During a cold start, all variables are deleted.



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Which variables are retentive can be configured in STEP 7. Please refer to the SIMATIC Microbox 420-RTX Manual for the corresponding quantity frameworks.

Retentivity types for the SIMATIC Microbox 420-RTX The SIMATIC Microbox 420-RTX offers two versions for retentive data backup.

It is possible either to store the data in the file system (i.e. on hard disk or on a compact flash memory card) or to store them in a non-volatile memory area. For Microbox 420-RTX, this is a battery-buffered static RAM (SRAM). How to determine the storage type will be explained in a later chapter.

Retentivity by means of the file system If you decided to store the data in the file system, the retentive data are stored in a file at the RUN – STOP transition. At the STOP – RUN transition with warm start, the retentive data are restored from this file. In case of a power failure, the data are not stored. If nevertheless data retentivity is required, an uninterruptible power supply (UPS) has to be interconnected.

Advantages:

– No buffer battery required

– Quantity frameworks for retentive data are only limited by the size of the hard disk / compact flash memory card

Disadvantages:

– No data retentivity in case of power failure (or: UPS required)

– No data retentivity in case of blue screen (Windows system failure)

Retentivity by means of SRAM If you decided to store the data in the SRAM, the retentive data are stored in a specifically provided memory area at the RUN – STOP transition. At the STOP – RUN transition with warm start, the retentive data are restored from there. This also works in case of a power failure.

Advantages:

– Retentivity even in case of power failure

– No UPS required

– Data retentivity even in case of blue screen (Windows system failure)

Disadvantages:

– The amount of retentive data is limited to 25KB

– Buffer battery required



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Maintenance-free If a hard disk can be renounced, no movable parts requiring maintenance are contained in the Microbox 420-RTX. Only the battery has to be replaced.

Latest technology Retentive data can be stored in an integrated buffered SRAM. This can be made either cyclically or after detecting the mains failure signal. If retentive data are to be stored, a buffer battery is required.

Using the DVI-I interface makes sure that you can connect even future generations of displays without any problems.

Real-time capability: Definition Real-time capability is the property of a system allowing to respond to a coming event within a defined period of time. The duration is irrelevant, but it must not exceed the defined maximum duration.

Example 1: The system responds to a process alarm after x milliseconds at the latest.

Example 2: Independent of the CPU utilization, a defined function is executed deterministically in a fixed time pattern.

Real-time capability of the SIMATIC Microbox 420-RTX Real-time capability of the Microbox 420-RTX can be established by the following characteristics:

• Use of real-time capable operating systems Using the RMOS real-time operating system by Siemens or other project-specific operating systems

• Targeted reservation of system resources Own PCI Interrupts are reserved for Ethernet and PROFIBUS.

Protective mechanism for compact flash memory cards For protection against unauthorized modifications of the system, the Microbox 420-RTX offers the possibility of providing drives with a write protection. This is possible by means of the so-called "Enhanced Write Filter" which is described in detail in the following chapter.

Readily pre-installed for control tasks with WinAC RTX The SIMATIC Microbox 420-RTX is delivered ready to be switched on. Both the operating system Windows XP Embedded SP2 and WinAC RTX 2005 SP1 are installed and pre-configured. The Microbox 420-RTX can be put into operation very quickly.



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3.3 The “Enhanced Write Filter”

The Enhanced Write Filter (EWF) is a procedure allowing to redirect write processes onto a data carrier in a specific area (overlay). Thus, the data carrier is protected against write access. The EWF is a component of Microsoft Windows XP Embedded.

Characteristics with the EWF being activated • The data carrier is protected against write access.

• Write processes are redirected to a specific area (overlay).

• Write processes explicitly can be stored permanently.

• The modifications can be cancelled by switching off the Microbox 420-RTX.

• No unwanted modifications of system data or applications

• Protection against unwanted computer viruses

Note In this application example, the EWF is only described in its RAM (Reg) mode. For further information on the EWF, refer to the following entry ID: 20012701 and to Microsoft Support.

EWF in RAM (Reg) mode • EWF settings are stored in the registry.

• Overlay is set up in the RAM and will be lost after restart.

• The division of the storage medium into partitions is independent of the EWF.

• The EWF settings of the loaded operating system apply.

Protective mechanism for compact flash memory cards For compact flash memory cards, the manufacturer guarantees a limited number of write and delete cycles. If this number is exceeded, the functioning of the memory is no longer guaranteed. Therefore, it is recommended to reduce write and delete cycles on the memory card to the minimum.

http://support.automation.siemens.com/WW/llisapi.dll?query=20012701&func=cslib.cssearch&content=skm%2Fmain.asp&lang=en&siteid=csius&objaction=cssearch&searchinprim=&nodeid99=

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/xpehelp/html/xeconEnhancedWriteFilter.asp



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Note The EWF of Windows XP SP2 Embedded of the Microbox 420-RTX is deactivated by default. Activate the EWF after having set up the Microbox 420-RTX.

If the EWF is activated, the station is locked in the Station Configuration Editor. To cancel a locking of the station, deactivate the EWF and release the station manually in the Station Configuration Editor.

Recommended settings of the Enhanced Write Filter In delivery state, the compact flash memory card of the Microbox 420-RTX is divided into two partitions: A system partition "C:\" and an extended partition "D:\". Activate the EWF for the "C:\" partition while using the "D:\" partition for permanent storage of data.

In the course of this document, it is assumed that recommended settings of the EWF have been made.

Note If you want to activate the EWF also for partition "D:\", observe the activation order. First activate the EWF for partition "D:\" and then for partition "C:\". For deactivation, proceed in the reverse order.

The reason for this is that the EWF settings are stored in the registry. If the registry is located on partition "C:\", the EWF must be deactivated for partition "C:\" first.

Commands of the EWF You can enter commands for the EWF by means of the command prompt. The command syntax of the EWF is "ewfmgr [<drive letter> ] [Options]", e.g. "ewfmgr c: -enable". In the following, some commands are described in a table.

Table 3-2

Function Command

Disable the write protection of drive C: and apply the modified data and programs.

ewfmgr c: -commitanddisable

Enable the write protection of drive C: . ewfmgr c: -enable

Display information on the EWF drive. This command indicates whether the EWF is currently enabled.

ewfmgr c:

Display help ewfmgr -help



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Note The "ewfmgr c: -disable" command does not work for the EWF in RAM (Reg) mode. Please use the "ewfmgr c: -commitanddisable" command to disable the EWF.

Writing data and programs onto the memory card Proceed as follows to permanently store files or programs on drive C: of a compact flash card: Table 3-3

Step Procedure Command

1. Open a DOS command prompt. START Run... Enter "cmd" and click "OK" to confirm.

2. Disable the Enhanced Write Filter.

ewfmgr c: -commitanddisable

3. Reboot the Microbox 420-RTX. START Shut Down ... Restart Click "OK" to confirm.

4. Write your data on C: or install your software on C:

User-specific

5. After having completed step 4, enable the Enhanced Write Filter to protect your compact flash cards. For this, open a DOS command prompt as described in step 1.

ewfmgr c: -enable

6. Reboot the Microbox 420-RTX. START Shut Down ... Restart Click "OK" to confirm.

Now, the installed software or files are permanently stored on drive C:.

Further information on the EWF For further information, refer to chapter 9.2 of the manual.

Link: http://support.automation.siemens.com/WW/view/en/22044587

Regarding the EWF, an FAQ with the number 20012701 exists.

Link: http://support.automation.siemens.com/WW/view/en/20012701



Setting up the Microbox 420-RTX


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4 Setting up the Microbox 420-RTX

This chapter describes

• how to install software on the Microbox 420-RTX,

• different possibilities of transmitting data to the Microbox 420-RTX,

• how to install application software components.

4.1 Requirements

The following requirements must be fulfilled for all descriptions in this chapter:

• The Microbox 420-RTX is connected to the power supply according to the manual instructions.

• The Ethernet interface 2 of the Microbox 420-RTX is connected to the Ethernet interface of your PG by means of a crossed Ethernet cable.

• The Microbox 420-RTX has not been modified yet.

• You dispose of the required software including all licenses.



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4.2 Preparatory configuration

General information The SIMATIC Microbox 420-RTX used in this application has been pre-installed in the factory and is ready to be put into operation. The following software is already installed in the 1GB compact flash memory card of the Microbox 420-RTX.

• Operating system: Windows XP Embedded SP2

• WinAC RTX 2005 SP1

• SIMATIC SOFTNET PG

• SIMATIC SOM V3.0.2

Note For optimizing the performance, exclusive interrupts are configured. Make sure that these settings are configured in the BIOS in such a way as it is described under the entry ID 23421328.

Software installation Required software is installed by the user. There are the following options for installation:

• Connection of a USB mass storage device (CD/DVD drive, USB hard disk, USB memory stick) via the USB interface

• Data transmission via a TCP/IP connection (shared resources in the network, e.g. drives, directories etc.)

As the first option requires additional hardware, the second option is described in this document.

Disabling the Enhanced Write Filter of the Microbox 420-RTX In this chapter, several configurations are executed in the Microbox 420-RTX. To ensure that these configurations are effective even after a restart, the EWF has to be disabled. The EWF can be disabled in a DOS command prompt by means of the command "ewfmgr c: -commitanddisable".

Adapting the IP addresses Use shared resources in the network to transmit data and/or to install programs. For this purpose, the Microbox 420-RTX must be able to access the network.




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In the following, you will learn how to connect the Microbox 420-RTX to another computer by means of a crossed Ethernet cable and how to use the shared resources of both computers. Adapt the IP address of both computers for this connection.

In the delivery state, the Ethernet interfaces of the Microbox 420-RTX are configured as follows:

• Ethernet 1

– IP address: 192.168.1.1

– Subnet mask: 255.255.255.0

• Ethernet 2

– IP address: 192.168.1.2

– Subnet mask: 255.255.255.0

Adapt the IP address of the respective Ethernet interface on the PG to the configuration of the Microbox 420-RTX. To do this, please follow the steps below: Table 4-1

No. Instructions 1 On your PG, open the "Properties" dialog of the LAN connection used by

you via: "Start Settings Network and dialup connections" (under Windows XP: "Network connections"). Right-click the LAN connection to call the context menu and select the menu option "Properties".

2 In the list, select the "Internet Protocol (TCP/IP)" entry and click the "Properties" button.



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No. Instructions 3 Select the "Use the following

IP address" option.

4 Enter the IP address "192.168.1.3" and the subnet mask "255.255.255.0“.

The fields for the standard gateway and the DNS servers remain empty. Note: Basically, you have free choice regarding the IP addresses. Nevertheless, the addresses must be different and must differ in the last figure only. Moreover, the IP addresses you selected must be unique in the connected network. If you operate your PG on an intranet, you finally have to cancel the PG settings mentioned above.

5 Confirm the opened dialogs with "OK".

Enabling a CD-ROM drive on the PG For installation, insert the CD into the CD-ROM drive of your PG. To be able to access it from the Microbox 420-RTX, the drive has to be enabled. To do this, proceed as follows: Table 4-2

No. Instructions 1 Open an Explorer window on the PG and select the CD-ROM drive. 2 Right-click the CD-ROM drive and select the "Sharing" menu item.



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No. Instructions 3 The "Sharing" dialog opens. Select

"Share this folder" and enter "CD-ROM" as share name.

4 Click "Permissions". A new dialog

opens. This dialog lists the users having access to this resource. Click the "Add" button.

5 In the new dialog, enter into the

lower field your domain, a backslash and your user name. Click “Check Names“. If your user name has been recognized, leave the dialog by clicking "OK". You are now enabled to access the CD-ROM drive from the Microbox 420-RTX.



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Enabling a directory on the PG To exchange any files between the Microbox 420-RTX and the PG, a directory on the PG can be enabled. To do this, proceed as follows: Table 4-3

No. Instructions 1 Open an Explorer window on the PG and create a directory called

"Transfer" under C:\. 2 Enable this directory. For this, proceed as described above for enabling a

CD-ROM drive. Nevertheless, choose "Transfer" as share name.

Using shared resources There are several options of finding and using shared resources in a network. Here, one option is described in detail.

Table 4-4

No. Instructions

7. Search for the computer the shared resources of which you want to use.



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No. Instructions

8. In the next window, click "Computers or people".

9. Then, click "A computer on the network".



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No. Instructions

10. Enter the IP address of the computer and click "Search".

If the name of the computer is unique in the network, you can also enter the name of the computer.

11. After a while, you can see the computer in the result list.



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No. Instructions

12. Double-click to open the computer. Now, you can see its shared resources. You might be prompted to enter the user name and password. In this case, enter the data of the user (possibly with domain, e.g. "myDomain\me") who may share the resources.

Transmitting the license key for WinAC RTX WinAC RTX is already licensed on the Microbox 420-RTX. The following section exemplarily describes how to transmit licenses.

As the Microbox 420-RTX is not equipped with a floppy drive, the license key is transmitted via the PG. Table 4-5:

No. Instructions 1. Insert the WinAC authorization disk into the drive of your PG.

Start the Automation License Manager on the PG via "START SIMATIC License Management Automation License Manager" and transfer the license to drive C: of your PG.

2. To transfer the license from the PG to the Microbox 420-RTX, you have to permit this in the License Manager of the PG. To do this, select in the License Manager of the PG the menu items File Settings. Remove the checkmark for "Forbid license keys transfer from local computer". Quit the dialog with "OK".



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No. Instructions 3. Start the Automation License

Manager of the Microbox 420-RTX. Select "Edit" "Connect computer". A new window opens. Please enter the name of the PG twice. Quit the dialog with "OK".

4. Now, your PG is indicated in the left

column of the Automation License Manager. Select the PG and select the C: drive of the PG. Now, you can see the WinAC RTX license stored on your PG in the window on the right. Transfer it to the C: drive of your Microbox 420-RTX.

5. Now, WinAC RTX is licensed on your Microbox 420-RTX.

6. Go to the Automation License

Manager of your PG and restore the setting changed in step 2.

Note Alternatively, you can transfer the license keys to the Microbox 420-RTX by means of USB memory sticks.



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4.3 Installing the example program

In this chapter, you will learn how to install the example program.

Configuring the Station Configuration Editor The configuration of the WinAC station with the Station Configuration Editor corresponds to plugging S7-400 hardware components to a rack. Here, components from the PC station (hardware and software components) are – in software technology terms – allocated to a virtual slot. Table 4-6

No. Instructions 1. Start the Station Configuration Editor of the Microbox 420-RTX via "START

Station Configuration Editor". 2. Click the "Station name" button. In

the new dialog, enter the name "PCWinAC". This name is configured as station name in the STEP 7 project. Exit the dialog by clicking "OK".

3. Right-click an empty line and

select the "Add" menu item.



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No. Instructions 4. Select "IE General" and the

Ethernet interface by means of which the connection to the PG shall be established. In this application example, the Ethernet interface of the Microbox 420-RTX is used with IP: 192.168.1.2 . Click "OK". Note: The IP address 192.168.1.2 is configured in the STEP 7 project for the application example. If you use another IP address, the IP address has to be changed in the STEP 7 project.

5. In the next window, you can see the properties of the "IE General" component. Confirm with "OK".

6. Exit the Station Configuration Editor by clicking "OK". 7. Start WinLC RTX on the Microbox 420-RTX via the "Start SIMATIC

PC Based Control WinLC RTX“ menu command. Alternatively, you can double-click the following desktop icon:

Loading the STEP 7 project The STEP 7 project is available in archived form. It has to be loaded into WinAC RTX of the Microbox 420-RTX.

Note If you are working with an older STEP 7 version, the hardware catalog must be updated. WinAC V 4.2 must be contained.

For updating, select the "Tools Update Catalog“ menu item in "HW Config".



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Table 4-7

No. Instructions 1 In the previously extracted "S7Proj“ folder of this application, you will find

the 23942303_WinAC_SE_CODE_v10.zip file. This is the archived STEP 7 project. Open STEP 7 and retrieve this archive via "File Retrieve". Open the project.

2 Connect the Microbox 420-RTX and the PG to a network (e.g. connect both devices by means of a crossed cable and adapt the IP addresses).

3 Set the PG/PC interface of your PG to TCP/IP(Ethernet).

4 Load the project from STEP 7 into the WinAC on the Microbox 420-RTX.



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4.4 Startup characteristics of WinAC RTX

After having loaded your STEP 7 project, you can now define the startup characteristics of WinAC RTX.

Two properties have to be considered for setting the "startup characteristics".

• The startup characteristics (e.g. warm start, cold start) of WinAC RTX which are defined in the hardware configuration of the STEP 7 project Here, the same settings have to be made as for other SIMATIC S7 CPUs.

• Automatic start of the WinAC RTX controller on a computer (e.g. on the Microbox 420-RTX) For this, the functions "Register Controller for Start at PC Boot" and "Autostart" are available in the "CPU" menu.

Note After restarting the Microbox 420-RTX, the WinAC RTX controller is started only as soon as the first user has logged in (provided that the WinAC RTX controller is registered for start at PC boot). Automatic login of a user at the Microbox 420-RTX ensures that the WinAC RTX controller is started at the boot-up of the Microbox 420-RTX.

Starting the controller at PC boot If you want the WinLC RTX controller to start automatically after the computer has booted up, proceed as follows:

Table 4-8

No. Instructions

1. Shut down the controller by means of the "CPU Shut Down Controller" menu command.

2. Register the controller for automatic startup by means of the "CPU Register Controller for Start at PC Boot“ menu command. Note: To cancel the automatic startup, use the "CPU Unregister Controller for Start at PC Boot“ menu command.

3. Start the controller by means of the "CPU Start Controller" menu command.



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Note If you cannot find the "Register Controller for Start at PC Boot" menu element in the "CPU" menu (not even as grayed menu element), the controller is already registered for starting at PC boot. In this case, the "Unregister Controller for Start at PC Boot" menu element is available (if the controller is started, it is grayed). In the delivery state of the Microbox 420-RTX, the WinAC RTX controller is already registered for starting at PC boot.

After a restart or after a power failure of the Microbox 420-RTX, WinAC RTX is started automatically and goes to "STOP" mode, even if "RUN" mode had been set before. If you want to set up the WinLC RTX controller in such a way that after a restart of the Microbox 420-RTX it starts up in the same mode as before, you have to enable the "Autostart" function additionally.

Enabling the “Autostart” function By enabling the "Autostart" function, WinAC RTX starts in the same mode as it was before shutting down the controller. This also applies to a restart or resetting of the Microbox 420-RTX.

This means:

• If the controller was in "RUN" mode before shut-down, it will start up in "RUN" mode.

• If the controller was in "STOP" mode before shut-down, it will start up in "STOP" mode.

Proceed as described in the table below to enable the “Autostart” function: Table 4-9

No. Instructions

1. Open the "Options" dialog by means of the WinAC RTX menu command "CPU Tools Options“.

2. Select the "Autostart CPU" option as startup mode. Click “OK” to close the dialog.

3. The “Autostart” function is now enabled.



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Note If the "Autostart" function is not enabled, the WinAC RTX controller is always set to "STOP" mode after starting the Microbox 420-RTX. In the delivery state of the Microbox 420-RTX, the "Autostart" function is not enabled.

Automatic login to the Microbox 420-RTX The WinAC RTX controller only starts up when the first user logs in to the Microbox 420-RTX. To ensure that the controller starts automatically even after a power failure, enable the automatic login to the Microbox 420-RTX.

Note Automatic login to a computer is only possible with computers which do not belong to a domain, but to a task group.

Moreover, automatic login involves the risk that anyone can access the computer.

For further information on how to enable the automatic login to the Microbox 420-RTX, refer to the following entry ID: 23598260 in Product Support.

http://support.automation.siemens.com/WW/llisapi.dll?query=23598260&func=cslib.cssearch&content=skm%2Fmain.asp&lang=en&siteid=csius&objaction=cssearch&searchinprim=0&nodeid0=4000024

http://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo&lang=en&objid=4000024&caller=view




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4.5 Operating WinAC RTX

This section provides a brief overview of the use of WinAC RTX. Only the functions which are absolutely necessary are explained in the following. It is recommended to read the SIMATIC WinAC RTX manual for the use of WinAC RTX.

Starting WinAC RTX WinLC RTX is started via: “Start Simatic PC Based Control WinLC RTX”. Thus, the operator panel of the controller is started simultaneously.

WinAC RTX icons on the Windows task bar If WinAC RTX is started, you can see one of the following icons on the task bar: Table 4-10

Icon Meaning

WinAC is started

WinAC is in "STOP" mode

WinAC is in "RUN" mode

Operating WinAC RTX The buttons of the WinLC RTX operator panel are explained in the following table. Table 4-11

Button Function Setting the RUN mode

Setting the STOP mode

A memory reset of the controller is performed.

Shutting down WinAC RTX The controller is not shut down by shutting down the control panel (the symbol is still in the task bar). The following instructions are intended for information purposes only. Using this application absolutely requires that WinAC RTX is started and is in "RUN" mode.

To shut down the process control, proceed as follows: Table 4-12

No. Instructions 1 Open the WinLC RTX control panel by double-clicking

. 2 Select “CPU Shut down Controller” in the menu.

3 Confirm the dialog by clicking “Yes” to terminate the process control.



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4.6 Setting the retentivity of WinAC RTX

In the following, you will find information on how to configure WinAC RTX so that data are stored in case operation is interrupted and so that the data can be used after the interruption.

WinAC Data Storage Tool In the delivery state, it is pre-configured that the data are stored in the data carrier. Modify the retentivity settings by means of the WinAC Data Storage Tool. To do this, follow the instructions below.



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Table 4-13

No. Instructions

1. Shut down the WinAC controller.

Confirm the displayed query with "Yes". Note: The controller is shut down and control is terminated.

2. Start the WinAC Data Storage Tool.



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No. Instructions

3. Make your settings in the window being displayed.

Note: The two storage modes are explained above (see Chap. 3.2) Click "OK".

4. Start the WinAC controller (menu as in figure for step 1).

Note For further information on how to configure the retentivity in the STEP 7 project, refer to the following entry ID: 598803


Remote Control


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5 Remote Control

This chapter presents the remote control technology of a remote computer via a TCP/IP connection. Moreover, Remote Desktop by Microsoft and Virtual Network Computing (VNC) by RealVNC are described briefly and advantages as well as disadvantages are presented.

General information on remote control of a PC via a TCP/IP connection If two computers are connected via a TCP/IP connection, one computer can be controlled by the other one. Figure 5-1

TCP/IP connection(e.g. Industrial Ethernet)

Remote computer(e.g. Microbox 420-RTX)

Local computer(e.g. PG/PC)

Characteristics of a remote connection • The screen contents of the remote computer are shown on the screen

of the local computer.

• Inputs of keyboard and mouse of the local computer are sent to the remote computer.

Tools for remote connections • Remote Desktop

– by Microsoft Corporation

– integrated in Windows XP

• VNC

– by RealVNC Ltd.

– platform-independent (e.g. Unix)

Remote Control


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• Further commercial and non-commercial tools

In the following, Remote Desktop and VNC are described in detail.

5.1 Remote Desktop

What is Remote Desktop? Remote Desktop is a functionality of Microsoft Windows XP. Remote Desktop allows users to login from one PC (e.g. a programming device) onto another PC (e.g. a Microbox 420-RTX). On the PG, the screen contents of the Microbox 420-RTX can be displayed and the Microbox 420-RTX can be controlled remotely with the input devices connected to the PG, such as e.g. keyboard and mouse. The devices are connected via a TCP/IP connection. Figure 5-2

Using Remote Desktop for the Microbox 420-RTX • Operating the Microbox 420-RTX without keyboard, mouse or monitor

• Controlling the Microbox 420-RTX from a remote place

5.2 Using Remote Desktop for remote control

Remote Desktop can be used for remote control of the Microbox 420-RTX. Moreover, this chapter describes how to set up a remote connection with Remote Desktop.

Settings of the Microbox 420-RTX In the following, you will learn how to create a new user account for a remote connection.

Note If you want to use an existing user account, please observe the requirements described below.

• Password-protected user account on the Microbox 420-RTX

• User is administrator and/or Remote Desktop user

Remote Control


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Table 5-1

No. Instructions 1. Open the user administration via "START -> Run" and enter

"compmgmt.msc". The Computer Management opens. Alternatively, you can open the Computer Management by means of the menu control via "Start -> Settings -> Control Panel -> Administrative Tools -> Computer Management“.

2. Go to the local users and create a new user.

3. Name this user "Remote User" and

assign the password "Remote". Set the options as shown in the figure on the right. Click the "Create" button.

4. Assign administrator rights to the

new user (double-click "Remote User"). In the "Remote User Properties" dialog that opens, set the "Administrators" membership for the user. Quit the dialog with "OK". Now, the "Remote User" is administrator for the Microbox 420-RTX.

Remote Control


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No. Instructions 5. Make sure that a Remote Desktop

connection is enabled on the Microbox 420-RTX. To do this, open the control panel (icon: "System") from the Control Panel and in the "System Properties" dialog select the "Remote" tab. Make sure a checkmark is set for Remote Desktop ("Allow users to connect remotely to this computer").

Thus, all necessary settings have been made on your Microbox 420-RTX.

Establishing the Remote Desktop connection from the PG From your PG, you can connect to the Microbox 420-RTX via Remote Desktop as follows: Table 5-2

No. Instructions 1. Start Remote Desktop via "START Accessories Communication

Remote Desktop Connection“. Note: If you cannot find the "Remote Desktop Connection" menu item, you have to install this additional function subsequently. For this, insert the "Windows XP Professional Edition" installation CD into the drive and start the setup. Select the "Perform additional tasks" installation item. In the next dialog, select "Set up Remote Desktop Connection" and follow the instructions. After installation, you will find the menu item as described in step 1.

2. The "Remote Desktop Connection" window opens. Enter the computer name (or IP address) of your Microbox 420-RTX, e.g. SIMATIC. Click "Connect".

3. A login dialog opens. Log in as "Remote User" with the password "Remote". It might take some time until the login dialog appears.

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No. Instructions 4. The screen contents of your Microbox 420-RTX are displayed. There, the

Windows user interface appears just as it would look like if a monitor was connected to the Microbox 420-RTX. You can control the Microbox 420-RTX from the PG.

5. To exit Remote Desktop, close the Remote Desktop window on the PG.

Further characteristics of Remote Desktop • Remote Desktop is on-board with Windows XP

• The remote computer can be shut down via Remote Desktop using the "shutdown [options]" command.

• With Remote Desktop, the remote computer is locked and cannot be used otherwise at the same time.

• In case of local login of a user at the remote computer, the existing remote connection is interrupted.

• Only one Remote Desktop connection must be established to a remote computer.

• The screen resolution is adapted to the resolution of the local computer.

• Encrypted connection

• Windows authentication

Note Keyboard entries on the local computer and particularly control keys behave differently depending on whether the Remote Desktop window is maximized or minimized.

5.3 Virtual Network Computing (VNC)

What is VNC? VNC is a software tool by means of which remote computers can be controlled. For this, the screen contents of a remote computer are displayed on the local computer and entries are transmitted to the remote computer.

Note In this document, the "VNC Free Edition“ Version 4.1.2 by RealVNC (http://www.realvnc.com) is described. This version is distributed under the GNU GPL license. Please refer to the manufacturer's website for further information.


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VNC components VNC consists of two components: VNC Server and VNC Viewer. The VNC Server is installed and executed on the remote computer. Only then, the VNC Viewer which is installed on the local computer can establish a remote connection to the VNC Server.

Characteristics of VNC • VNC Server and VNC Viewer are available for different operating

systems.

• VNC Server has to be installed and started on the remote computer.

• VNC Viewer has to be installed on the local computer.

• It is possible to establish several connections to the remote computer at the same time.

• If a user is logged in to the remote computer, his/her rights are assigned to the user via the remote connection.

• The events on the remote computer can be seen on a directly connected screen.

• The Free Edition version does not allow an encrypted connection.

• The Free Edition version does not allow Windows authentication.

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Locking input devices at the remote computer Table 5-3

No. Instructions

1. Start the "Options" window of the VNC Server by right-clicking the icon in the system bar and by selecting the "Options" menu item.

2. In the next window, select the "Inputs" tab.

Activate the "Disable local inputs while server is in use“ checkbox. Click "Apply" and then "OK".

Using VNC for the Microbox 420-RTX • Operating the Microbox 420-RTX without keyboard, mouse or monitor

• Controlling the Microbox 420-RTX from a remote place

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5.4 Using VNC for remote control

Installing VNC Free Edition The installation described in the following has been performed with the installation file from the manufacturer's website. During installation, the installation file is executed both on the remote computer and on the local computer. The installation routine is in English language.

Installation on the remote computer The VNC Server has to be installed on the remote computer. For this, execute the installation file by double-clicking it. The installation is self-explanatory and will not be described in detail. In the course of the installation routine, cancel the installation of VNC Viewer. The default settings can be applied without any modification. At the end of the installation, you are prompted to assign a password to the remote connection. By means of this password, a VNC Viewer can establish a connection to the VNC Server.

Note During uninstalling both the VNC Server and the VNC Viewer are deleted if both have been installed. VNC Server and VNC Viewer cannot be uninstalled separately.

Installation on the local computer The VNC Viewer has to be installed on the local computer. For this, execute the installation file by double-clicking it and cancel the VNC Server in the course of the installation.

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Establishing a connection by means of VNC Table 5-4

No. Instructions

1. Start the VNC Viewer by double-clicking the icon on the desktop of the local computer.

2. In the dialog, enter the IP address of the remote computer and click "OK".

3. Enter the password for the connection to the VNC Server and click "OK".

4. Now, you can see the screen contents of the remote computer.

If no user is logged in to the remote computer, log in to the remote computer. How to login to a remote computer is described in the following.

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Sending entries of the control keys Entries made by means of the control keys such as "Ctrl", "Alt" etc. are sent by right-clicking the title bar of the VNC window. A context menu appears which also can be called by means of the "F8" key.

Note In the settings of the VNC Viewer, you can modify the key assignment for the context menu (standard "F8" key).

Login to a remote computer If no user is logged in to the remote computer, you have to log in to the remote computer. Call the context menu by means of the "F8" key or by clicking the title bar of the VNC Viewer. Select the "Send Ctrl – Alt – Del" menu element in the context menu. Log in as the user who is authorized to log in to the remote computer.

Note If the VNC Server on the remote computer only allows a "read-only" connection, the entries are not sent to the remote computer. In this case, you can also view the events.

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5.5 Remote Desktop vs. VNC

Table 5-5

Tool Advantages Disadvantages

VNC Free Edition • The events can be viewed on the monitor connected to the remote computer.

• Cross-platform. In case of computers with different operating systems, a remote connection can be established by means of VNC.

• VNC must be installed on the participating computers.

• The firewall must be adapted, because a port (default: port 5900) is used.

• The resolution of the remote computer is used.

Remote Desktop • The screen resolution is adapted to the resolution of the local computer. On the remote computer, the former resolution is maintained.

• The firewall must not be adapted.

• Both computers must run the Windows XP operating system. Nevertheless, the remote computer must not run Windows XP Home Edition.

• Only one remote connection is possible at the same time.

• The remote computer is locked.

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6 DiagMonitor

This chapter presents the "DiagMonitor" software, version 3.0. It describes the installation of the program as well as the configuration necessary to set up communication between DiagMonitor and WinAC RTX via OPC server.

What is DiagMonitor? DiagMonitor is intended for monitoring the status of a SIMATIC PC (e.g. fan speed). In this application example, DiagMonitor (version 3.0) is used for monitoring the Microbox 420-RTX in order to allow the controller (WinAC station) to respond to system states such as alarms.

6.1 Installing DiagMonitor

Installing DiagMonitor In the delivery state, the "Safecard On Motherboard" application is installed on the Microbox 420-RTX. This application must be uninstalled prior to the installation of DiagMonitor.

In this application example, DiagMonitor is installed on the Microbox 420-RTX (for further information on remote control by means of DiagMonitor, refer to the manual on the CD). Execute the installation file and follow the installation instructions of the installation program. You are prompted to restart the Microbox 420-RTX.

Uninstalling DiagMonitor Uninstalling DiagMonitor is done according to the Windows standard.

6.2 Configuring WinAC for data transmission

To use data of DiagMonitor in WinAC RTX, configure the WinAC station in your project. Make the following modifications in the controller:

• Create a data block for data of DiagMonitor.

• Establish a connection to the OPC server.

Creating a data block for data transmission in WinAC The data block can be copied from the S7 example project of DiagMonitor (or with another name). The data block "DB111" originates from the example project of DiagMonitor and describes the data structure.

The example project of DiagMonitor is located in the installation directory of DiagMonitor. Open the "Samples" subdirectory and then the "WinAC" subdirectory. Here, you will find the S7 example project "Example:DM_WinLC_41.zip". Retrieve the example project in the SIMATIC Manager. For further information, refer to the "readmeWinAC.txt" file in the directory.

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Connecting WinAC to OPC server Configure your WinAC station for a connection to OPC server. For a detailed description, refer to the following entry ID: 22155321 under Product Support or to the "WinAC RTX 2005“ manual.

6.3 Configuring DiagMonitor for data transmission

Configuring DiagMonitor Perform the following actions:

• Configure the connection of DiagMonitor to OPC server.

• Add a station for monitoring.

• Configure the station for data transmission.

To do this, follow the instructions below.



DiagMonitor


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Table 6-1

No. Instructions

1. In the "Tools" menu, select the "Settings…" menu element.

2. In the next window, select the "OPC" tab. Subsequently, activate the checkboxes "Enable" and "local host". Click "Apply" and then "OK".

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No. Instructions

3. In the "Station" menu, select the "Add…" menu element.

4. In the next window, you can search for a station or enter the station name if the "Local station" checkbox is disabled.

Activate the checkbox mentioned above if it is not already activated. The name of the station appears in the grayed text field. Click "OK".

DiagMonitor


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No. Instructions

5. Now, the station appears in DiagMonitor.

Right-click the station. In the context menu that opens, select the "OPC…" menu element.

DiagMonitor


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No. Instructions

6. In the next window, enter the name (e.g. "DB111") of the data block for data of DiagMonitor. Also enter the type (e.g. "S7") and the local ID (e.g. "OPC_1") of the connection between the controller and the OPC server.

After clicking "OK", the data are written into the block (e.g. "DB111") at an interval (default: 10 sec.).

Note When running DiagMonitor, the OPC server must not be exited as DiagMonitor is permanently connected to the server. If DiagMonitor is exited, the "old" status of the data is maintained in the controller. There is no possibility for the controller to respond.

6.4 Simulating an alarm in DiagMonitor

DiagMonitor counts the operating hours of the station. In this application example, a point in time is set for the next station maintenance to simulate an alarm in DiagMonitor. After the defined time has expired, DiagMonitor signals that the station has to be maintained.

As a response to this alarm, the currently running mixing process in the controller is completed and a new mixing process is not started. Moreover, the output 0.6 is set. Only if the alarm is acknowledged in DiagMonitor, the controller can start a new mixing process.

To simulate this scenario, follow the instructions below.

DiagMonitor


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Table 6-2

No. Instructions

1. Right-click the "simatic" station. In the context menu, select the "Properties…" menu element.

2. In the next window, enter the value "1" in the "New Alert in:" field. In the "Title:" field, enter "alarm" and click "Add". A new entry appears in the "Revision List" field. Click "OK".

DiagMonitor


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No. Instructions

3. After the defined time has expired, the station is marked with a red exclamation mark in DiagMonitor and the system status is written into the data block. The controller calls this value and will suspend the start of a new mixing process in this case. Acknowledge the alarm by right-clicking the concerned station and by selecting the "Acknowledge alert" option in the context menu.

Operating the Example Program


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7 Operating the Example Program

Introduction This chapter explains the S7 program of the example project. You are provided with detailed information on the functionality of the program, the assignment of inputs and outputs on the distributed I/O as well as the operation of the program.

Note This chapter does not include an extensive program description. This application does not focus on the S7 program; it focuses on the configuration of WinAC RTX as well as on the process interface via distributed I/O.

Functionality of the S7 program The S7 program from the example project is used to control a virtual mixing and bottling plant. This plant consists of:

• A boiler with two inlet valves and one outlet valve

• a mixer for the boiler

• a heater as well as a cooler for the liquid in the boiler

The user has the possibility of influencing the mixing process by selecting different recipe data records.

Input and output assignment The S7 program is operated via digital inputs. Connect an "ET 200S Compact" I/O to the Microbox 420-RTX by means of a PROFIBUS cable. Ensure power supply for the I/O and the potential groups. For further information, refer to the "Distributed I/O System ET 200S – Operating Manual" manual under the following entry ID: 1144348

Connect one switch each to the inputs E 0.0, E 0.1, E 0.2 of the "ET 200S Compact" I/O. The actual process is controlled via digital outputs. The assignment of inputs and outputs is listed in the following table. Table 7-1

Channel LED no.

Symbol Function

E 0.0 5 "IN_Start_Process“ Start mixing process E 0.1 E 0.2

6 9

Selection of recipe: 00: Keep current recipe 10: Select recipe 1 01: Select recipe 2 11: Select recipe 3

A 0.0 45 "Out_InValve1“ Open inlet valve 1 A 0.1 46 "Out_InValve2“ Open inlet valve 2

http://support.automation.siemens.com/WW/llisapi.dll?query=1144348&func=cslib.cssearch&content=skm%2Fmain.asp&lang=en&siteid=csius&objaction=cssearch&searchinprim=&nodeid99=&x=22&y=11



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Channel LED no.

Symbol Function

A 0.2 49 “Out_OutValve” Open outlet valve A 0.3 50 “Out_Heater” Turn on heater A 0.4 53 “Out_Cooler” Turn on cooler A 0.5 54 “Out_Mixer” Turn on mixer A 0.6 57 “Out_DiagMonitor” Status of the Microbox 420-RTX A 0.7 58 “Out_Cycle” Continuous flashlight (flashes

every 10 cycles) A 1.0 65 “Out_Fillstate_25” Fill-level indication "25% reached" A 1.1 66 “Out_Tempstate_25” Temperature indication "25%

reached" A 1.2 69 “Out_Fillstate_50” Fill-level indication "50% reached" A 1.3 70 “Out_Tempstate_50” Temperature indication "50%

reached" A 1.4 73 “Out_Fillstate_75” Fill-level indication "75% reached" A 1.5 74 “Out_Tempstate_75” Temperature indication "75%

reached" A 1.6 77 “Out_Fillstate_100” Fill-level indication "100%

reached" A 1.7 78 “Out_Tempstate_100” Temperature indication "100%

reached"

Operating the program To start and operate the mixing process, follow the instructions listed in the following table. Table 7-2

No. Instructions 1 Requirements for starting the mixing process:

• The WinAC RTX controller has to be configured correctly. • The configuration and the example program have to be loaded to WinAC

RTX. • WinAC RTX has to be in “RUN” or “RUN-P” mode. The controller is ready to start the mixing process as soon as you see the flashlight at output A 0.7.

2 Select a recipe via the digital inputs E 0.1 and E 0.2. 3 Start the mixing process with input E 0.0.

To do this, switch E 0.0 to “1”.



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No. Instructions 4 The status of the controller is indicated at the digital outputs or in the

variable table “VAT_1”.

5 The mixing process is stopped by setting E 0.0 to “0”.

The current process will be completed.

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8 Restoring the System

A PC system which has been set up (e.g. Microbox 420-RTX) can be backed up by means of a specific program (e.g. "Image&Partition Creator V1.2"). In this case, the status of the system can be reset. This might be helpful in the following cases:

• Restoring the delivery state of the Microbox 420-RTX

• System is no longer stable

• Resetting modifications of the system since the last backup

This chapter describes how to restore the delivery state of the Microbox 420-RTX by means of a restore CD. For further information, refer to the following entry ID: 22329624

!

Attention

After restoring the system, the delivery state of the operating system of your Microbox 420-RTX and of the programs will be restored. All modifications and settings made by you will get lost. BIOS settings remain unchanged after restoring the system.

Restore CD The Restore CD is available via Technical Support. The restore CD is bootable. Also read the "readme.txt" file on the restore CD.

Booting up the Microbox 420-RTX from the restore CD !

Attention

If you use the Microbox 420-RTX with a hard disk and a Flash Card, the system is restored on the drive from where the system has been started last.

No. Instructions 1 Connect a monitor and a keyboard, optionally also a mouse, to the Microbox

420-RTX, if this is not yet the case. 2 Connect an external USB CD/DVD drive to a free USB port of the Microbox

420-RTX. Please ensure power supply of the external drive. 3 Switch on the Microbox 420-RTX. Press the "ESC" key only once during

BIOS initialization. A boot-up menu is displayed.



http://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo&objId=22329624&objAction=csOpen&nodeid0=19422936&caller=view&lang=en&siteid=csius&aktprim=0&extranet=standard

http://www.automation.siemens.com/ipc/html_76/support/asis/techsup.htm

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No. Instructions 4 Insert the CD into the drive. Select the CD drive by means of the arrow keys

of the boot-up menu and press the "Return" key. The Microbox 420-RTX is started from the restore CD. Follow the instructions of the restore program.

Note If you cancel the restore routine, you will go to the DOS environment. To restart the restore routine, press the key combination "Ctrl" + "ALT" + "Del". The Microbox 420-RTX is restarted and the restore routine can be started again.

Please observe that the system might be inoperable.

Bibliographic References


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9 Bibliographic References

If you have installed the corresponding product, you can find most manuals under:

Start Simatic Documentation [Language]

For product support, refer to the Internet at:

http://support.automation.siemens.com

There you will find manuals, FAQs and a series of further application examples regarding this subject.

http://support.automation.siemens.com/

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