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  • KAESER KOMPRESSOREN GmbH P.O. Box 2143 D-96410 Coburg Germany Phone +49 9561 6400 Fax +49 9561 640130

    User Manual

    Smart_MOD KLink Protocol converter Klink/Modbus

    2005 KAESER KOMPRESSOREN GmbH

    Versions

    Documentation: V1.05 Configuration tool, RS-232: V2.03 Firmware version: V1.05 Hardware version: V1.20

  • Smart_MOD KLink User manual

    KAESER KOMPRESSOREN www.kaeser.com

    7_6933_MOD_02E.doc 14.11.2005 Page 2/34

    Contents

    1. Notes to obey 4

    2. Introduction 5

    3. Delivery content 6

    4. Hardware specification 7

    4.1. Dimensions, connectors, state display 7

    4.2. Technical data 8

    4.3. Interface signals 8

    5. Usage of the hardware 9

    5.1. Working scenario 9

    5.2. Connection of the hardware 10

    6. Configuration 11

    6.1. Configuration via code switches 12

    6.2. Configuration via the RS-232 interface 13 6.2.1. Installation of the tool 13 6.2.2. Usage of the 'Smart_MOD KLink Serial Configuration-Tool' 13

    6.3. Configuration via Modbus register 22 6.3.1. Parameter 23 6.3.2. Protocol 24

  • Smart_MOD KLink User manual

    KAESER KOMPRESSOREN www.kaeser.com

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    7. Field use of the Smart_MOD KLink 27

    7.1. General information 27

    7.2. The register structure in the overview 28

    7.3. Smart_MOD KLink - Communication with SIGMA CONTROL or SIGMA AIR MANAGER 30 1. Establish connection 30 2. Synchronization 30 3. Set password 30 4. Call operational data 31

    7.4. Master - communication with Smart_MOD KLink 32

    7.5. SIGMA CONTROL operational data 34

    7.6. SIGMA AIR MANAGER operational data 34

    7.7. KLink password 34

    8. Support 34

  • Smart_MOD KLink User manual

    KAESER KOMPRESSOREN www.kaeser.com

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    1. Notes to obey

    The usage of hardware and software should only take place after studying this user manual in detail!

    Generally:

    1. Connect the hardware correctly to the power supply.

    2. Use the right voltage:

    U = +18-36V DC

    Voltage out of the defined range can lead to the destruction of the device.

    SELV Compliance:

    The safety status of any connections to the Smart_MOD module must comply to the SELV requirements.

    Copyright:

    Neither this user manual nor parts of it may be copied or distributed in any way, e.g. on paper or in an electronic form, without the written permission of KAESER KOMPRESSOREN GmbH.

  • Smart_MOD KLink User manual

    KAESER KOMPRESSOREN www.kaeser.com

    7_6933_MOD_02E.doc 14.11.2005 Page 5/34

    2. Introduction

    The manufacturer of Smart_MOD is b-plus GmbH. Smart_MOD Klink is exclusively made for KAESER KOMPRESSOREN GmbH.

    By means of a Smart_MOD KLink, the KAESER controllers SIGMA CONTROL or SIGMA AIR MANAGER can be easily connected to Modbus. Thereby Smart_MOD takes over the complete communication to the controllers, so that on the side of the Modbus network only the actually relevant process data such as measurement values, set points, device parameters etc. have to be transferred.

    Generally, the Smart_MOD KLink makes it possible for a Modbus master system (e.g. a PC or a PLC) to call data from a SIGMA AIR MANAGER. Smart_MOD Klink communicates with SIGMA CONTROL or SIGMA AIR MANAGER via KAESER KLink protocol.

  • Smart_MOD KLink User manual

    KAESER KOMPRESSOREN www.kaeser.com

    7_6933_MOD_02E.doc 14.11.2005 Page 6/34

    3. Delivery content

    Smart_MOD KLink Box Ready-to-operate module, in a strong aluminium housing, including a power supply connector.

    Power supply: U = +18-36V DC

    It is possible to get a KAESER compressor with built in Smart_MOD or to get Smart_MOD as a retrofit kit for KAESER compressors.

    Accessories (optional):

    Software

    Smart_MOD KLink CD CD with configuration tool for the serial interface, user manual as *.pdf file inclusive description of setting the parameters via the Modbus master.

  • Smart_MOD KLink User manual

    KAESER KOMPRESSOREN www.kaeser.com

    7_6933_MOD_02E.doc 14.11.2005 Page 7/34

    4. Hardware specification

    4.1. Dimensions, connectors, state display

  • Smart_MOD KLink User manual

    KAESER KOMPRESSOREN www.kaeser.com

    7_6933_MOD_02E.doc 14.11.2005 Page 8/34

    4.2. Technical data

    Power supply (Smart_MOD Box) Operating voltage +18-36V DC Power consumption (RS-232 and Modbus in operating state) approximately 2 Watt

    Environment conditions (Smart_MOD Box) Operating temperature 0C ... +50C Stock temperature -10C ... +70C

    Modbus interface RS485 Interface, galvanic separated 9-SUBD female connector Baud rate 9.6, 19.2 kBit/s

    RS-232 interface Standard PC RS-232 interface 9-SUBD male connector Baud rate 0.3, 0.6, 1.2, 2.4, 4.8, 9.6, 14.4,

    19.2, 28.8, 38.4, 57.6, 76.8, 115.2 kBit/s

    4.3. Interface signals

    Power supply (PIN) + +18-36V DC GND GND PE PE (safety ground)

    RS-232 (PIN) 9-SUBD male connector 1 DCD 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI

    Modbus interface RS485 (PIN) 9-SUBD female connector 1 n.c. 2 n.c. 3 B+ 4 n.c. 5 DGND 6 VP (+5V) 7 n.c. 8 A- 9 n.c.

    LED-Signals LED red (CONNECTION) Connection indicator LED green (OPERATION) Operation state

  • Smart_MOD KLink User manual

    KAESER KOMPRESSOREN www.kaeser.com

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    5. Usage of the hardware

    This product is a sensitive electronic device and therefore, special attention has to be paid to the following items.

    5.1. Working scenario

    A possible working scenarios for the Smart_MOD KLink module is shown in the picture below: In order to put the Smart_MOD into operation, the serial interface has to be connected by a standardized RS-232 cable with the RS-232 interface of SIGMA CONTROL or SIGMA AIR MANAGER. The RS-232 interface of Smart_MOD KLink is compatible to the RS-232 of a PC, i.e. it can be connected directly with each standard RS-232 interface of a terminal device. The power supply for the Smart_MOD KLink must provide a stable and interference-free operating voltage of +18-36 Volt DC, whereby the power consumption is about 2 Watt. The Modbus interface of Smart_MOD KLink is equipped with a SUBD female connector. Via this connector the Smart_MOD KLink is connected as a slave to a Modbus master system (master system can be e.g. a PLC or a PC).

    Picture 1 Working scenario

    Modbus

    Modbus slave

    SIGMA CONTROL or SIGMA AIR MANAGER

    RS - 232 Interface

    Modbus slave

    Modbus slave

    Modbus slave

    Modbus master (e.g. PC or PLC)

    Smart_MOD KLink

    Modbus

  • Smart_MOD KLink User manual

    KAESER KOMPRESSOREN www.kaeser.com

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    5.2. Connection of the hardware

    The following points have to be considered when connecting the Smart_MOD module:

    1. Take care about connecting lines to the power connector. Use the right polarity! Attention: Wrong polarity of the voltage supply destroy's the module!

    2. Connect PE to safety ground.

    3. Pay attention to the right operating voltage. The Smart_MOD Box module allows an operating voltage area between +18-36V DC. Voltage out of the defined range can lead to the distruction of the device!

    4. Connect the Smart_MOD module via a norm RS-485 cable to the Modbus network.

    5. Connect the Smart_MOD module via a norm RS-232 cable to SIGMA CONTROL or SIGMA AIR MANAGER. Attention: If you connect the RS-232 of the Smart_MOD module to a serial port of a PC for a full functional test, you have to use a zero-modem-cable (crossed data lines)!

    6. After switching on the operating voltage on the module: The green and the red LED shine for a periode of two seconds and signal readiness for

    the configuration with the serial configuration tool (see 6.2 - Configuration via the RS-232 interface).

    Both LEDS expire for approximately one second. The red LED indicates the condition of the connection between the Smart_MOD KLink

    and the attached SIGMA CONTROL or SIGMA AIR MANAGER: - Does the red LED shine, so the connection between the two devices hasn't taken

    place yet. - However, doesn't the red LED shine, so a connection exists and data are exchanged

    between the two devices. The green LED is permanently on and signals 'ready for operation'. If an error happens the green LED is blinking:

    - 1 flash Error with the Modbus initialization - 2 flashes Error in the case of the RS232 interface initialization - 3 flashes Error during the KLink protocol initialization

    Note: If the green LED flashes more than 15 times, so an EEPROM error exists.

  • Smart_MOD KLink User manual

    KAESER KOMPRESSOREN www.kaeser.com

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    6. Configuration

    In order to use the whole function of the Smart_MOD device, some parameters must be set according to the respective working scenario. The user has three possibilities to configure the Modbus/RS-232 interface:

    Configuration via ...

    Code switches in order to set the bus address RS-232 configuration software Modbus register

    Code switches

    RS-232 Modbus register

    Factory settings

    Description

    Modbus parameter Framing n.a. r/w r/w RTU Data framework: RTU or ASCII Mode n.a. r/w r/w < 10000 Register mode (< 10000 registers,

    J-bus)