DCS for ETs

Presented By: Arvind BhartiDy. ManagerSSTPS/NTPC

DDCMISDDCMIS

(Distributed Digital Control , (Distributed Digital Control , Monitoring &Monitoring &

Information System)Information System)

DDCMISDDCMIS

(Distributed Digital Control , (Distributed Digital Control , Monitoring &Monitoring &

Information System)Information System)

PRESENTATION

BASIC OF DDCMIS

ARCHITECTURE

MMI PART

SOFTWARE

Basics Of DDCMIS

CONTROL PHILOSOPHYCONTROL PHILOSOPHY

• ACS :- I/N & O/P OF CONTROLLER IS ACS :- I/N & O/P OF CONTROLLER IS ANALOG ANALOG

• DCS :- I/N & O/P OF CONTROLLER IS DCS :- I/N & O/P OF CONTROLLER IS DIGITAL DIGITAL

DDCMISDDCMIS

DDCMIS = DCS + DASDDCMIS = DCS + DAS

(Distributed Digital Control , Monitoring &(Distributed Digital Control , Monitoring & Information System)Information System)

Functions of DDCMIS

• Measurement• Analog, Binary and Pulse Signal Conditioning• Programming• Control Logic development, performing closed & open

loop control• Data processing• Data Display• Alarm monitoring and printing• History• Data archiving• Reporting• MODBUS Communication with the other System• Integrated SER

PROVIDED BY

SYSTEM

FOR UNIT # 4 & 5

BASIC H/W

• PCs

• NODES (Panel)

• LVS

• UCD

• Power Supply 24 VDC

PANEL

LVS

LVSLarge Video Screen

LARGE VIDEO SCREENS

70 inch

es

LARGE VIDEO SCREENS

PROJECTOR

MIRROR AT 45 Deg

LVS SCREEN

Alarms in LVSBFP-A

TripCEP-B

TripMill-F Trip

Drum Level High

Mill DP High

Turbine Trip

AC Seal Oil P/P Trip

HPH-5 Level High

Alarms in LVSBFP-A

TripCEP-B

TripMill-F Trip

Drum Level High

Mill DP High

Turbine Trip

AC Seal Oil P/P

TripHPH-5

Level High

LVS-1 PC LVS-2 PC

Controller PC

UCD (Unit Control Desk)

Controllers Field

SERVERS

MMI PART

SRT PERM

HARDWARE DETAILS

SERVER-1 SERVER-2

NODE-1 NODE-2 NODE-3 NODE-4 NODE-5 NODE-6 NODE-7 NODE-8

C-NETCo-Axial Cable

O-NET

OWS-1 OWS-2 OWS-3 OWS-4 LVS-1 LVS-2 EWS

UTP CableLAN Switch

NODE

CVA 02CVA 02 CVA 01CVA 01 CVA 03CVA 03 CVA 04CVA 04

AI/AO SYSTEM DI DO PANEL

01CVA 0201CVA 02 01CVA 0101CVA 01 01CVA 0301CVA 03 01CVA 0401CVA 04 02CVA 0202CVA 02 02CVA 0102CVA 01 02CVA 0302CVA 03 02CVA 0402CVA 04




NODE-1

NODE-3

NODE-5

NODE-7

NODE-2

NODE-4

NODE-6

NODE-8

Naming of NODES

SYSTEM PANEL

CVA 01

CVA 01- SYSTEM PANEL

• I/O CARDS

• NETWORK INTERFACE CARDS

• PROTOCOL CONVERTER CARD

• BRC 400, CONTROLLER CARD

System Panel

NIS

NPM

BRC-400

POWER SUPPLY POWER SUPPLY

NIS

NP

MN

ISN

PM

BR

CB

RC

CVA 02 CVA 03 CVA 04

BR

CB

RC

Controller Details

• TOTAL NO OF CONTROLLERS IN 8 NODES = 13

• ONE CONTROLLER CAN HANDLE UPTO 64 I/O CARDS

NODE1 AA, AB

NODE2 BA, BB

NODE3 CA, CB

NODE4 DA

NODE5 EA

NODE6 FA, FB

NODE7 GA, GB

NODE8 HA

FG-1 : NODE-1

FG-2 : NODE-2 & 3

FG-3 : NODE-4 & 5

FG-4,5,& 6 : NODE-6, 7 & 8

WIRING LAYOUT

FIELD WIRESFIELD WIRES

FTU

Patch Boards

FTU

FTUFTU

FTUFTU

CVA 02, 03, 04

SYSTEM PANEL

CVA 01FTU TO I/O CARDSFTU TO I/O CARDS

NIS

NP

MN

ISN

PM

BR

CB

RC

BR

CB

RC

FTU

Patch Boards

FTU

FTUFTU

FTUFTU

POWER SUPPLY POWER SUPPLY

NIS

NP

MN

ISN

PM

BR

CB

RC

FTU

Patch Boards

FTU

FTUFTU

FTUFTU

FTU

Patch Boards

FTU

FTUFTU

FTUFTU

AOR (Analog Output Redundancy)

Software

AnalogO/Pcard

AnalogO/Pcard

AORcard

4-20 mA O/P

Digital Output Redundancy

Software

DigitalO/Pcard

Digital O/Pcard

Diode TB

OWS-1 OWS-2 OWS-3 OWS-4 LVS-1 LVS-2 EWS

SERVER-1

C-NET

O-NET

SERVER-2

LAN Switch

NODE-1 NODE-2 NODE-3 NODE-4 NODE-5 NODE-6 NODE-7 NODE-8

Co-Axial Cable

UTP Cable

Harmony Rack I/OHarmony Overview

• I/O Modules– Analog Input– Analog Output– Digital Input– Digital Output– Sequence of Events

• Terminations (Patch Boards)

Main ComponentsMain Components

Rack Controllers

x-bus

•••

Process I/O

Cnet

NetworkInterface


• Modular to meet varying I/O requirements

• Used for A/D Conversion and signal processing

• Configurable fail safe output modes

• Dedicated, secure, fast response communication to a single Controller pair

• Surface Mount Technology

– High Reliability

– Consistent Quality


Analog Input ModulesAnalog Input ModulesI/O Module Capabilities Description

IMFEC11 Current (4-20ma) High Level Voltage FSK Fieldbus

Support

15 independently

configured input

channels

IMFEC12 Current (4-20ma) High Level Voltage

15 independently

configured input

channels

IMASI13 Current (4-20ma) High Level Voltage Low Level Voltage Thermocouple 3-Wire RTD

16 independently

configured isolated

input channels Independent A/D per

channel Programmable A/D

resolution (16-24bit)


Analog Output and Control Loop ModulesAnalog Output and Control Loop Modules

I/O Module Capabilities Description

IMASO11 Current (4-20ma)

1-5VDC

14 independently configured

channels

Current limited for short circuit

protection

IMCIS12 Analog I/O

Current (4-

20ma)

1-5VDC

Digital Inputs

24 VDC

Digital Outputs

24, 48 VDC

4 AI Channels

2 AO Channels

3 Optically Isolated DI

Channels

4 Optically Isolated DO

Channels

Analog Control Station (IISAC)

Support

IMQRS12 Same as IMCIS12 Same as IMCIS12 except

response time approximately

10 times faster


Digital Input ModulesDigital Input Modules


IMDSI12 24, 48, 125 VDC 16 isolated

channels

IMDSI13 24 VDC 16 isolated

channels

IMDSI14 48 VDC 16 isolated

channels

IMDSM04 Signal Ranges 4-6 VDC 21.6 -27 VDC 50 mV-10V

Pulse Input Slave 8 channels Operating Modes

Totalize Frequency Period


Digital Output ModulesDigital Output Modules


IMDSO14 24, 48 VDC 16 isolated channels

IMDSO15 48 VDC 120 VAC

8 isolated channels On-Board

Electromechanical Relays

Auxiliary

Relay Panel

Used with IMDSO14 Supports up to sixteen 10 A

electromechanical relays


Distributed Sequence of EventsDistributed Sequence of Events


INSEM01 Records, Stores,

Processes, and Manages

up to 1500 SOE Points

Sequence of Events

Master Module

INTKM01 Synchronizes the time

for inputs in HCUs

+1 ms resolution

Time Keeper Master

Module

Supports IRIG-B

receiver

IMSET01 Time Stamps Inputs

Synchronizes Controller

with TKM

Sequence of Events

Time Synch Module

16 input channels

IMSED01 Time Stamps Inputs Sequence of Events

Digital Module

16 input channels

Controller Highlights (BRC 400)Controller Highlights (BRC 400)

• High performance 32bits RISC based controller on Motorola 68030 Processor

• High speed processing

• Multiple control loops, and/or data acquisition points supported, allowing for maximum process partitioning

• On-line configuration of control algorithms

• Peer-to-Peer communications standard

• Redundancy supported

• Same Controller for turbine & boiler operation

• On-Line, “hot” replacement capability allows for ease of maintenance

• “Self Boot-Up” support; non-volatile memory

• Dynamic Process Simulation support

Controller Highlights (contd.)Controller Highlights (contd.)

Capacities

– 64 Modules Per Controller

– 256 Controllers per segment

– Remote I/O support upto 2kms

• High speed, high throughput (10MB) and high-security redundant highway

• Exception Reporting System increases effective band width and security

• Secure communications utilizing CRC and message acknowledgment

• Multiple (up to 250) Cnets . Total 62500 nodes for expanded system

• Ring Network• Active Redundancy• Communication can be

broadcast / Point to point

Control Network Highlights (Cnet)Control Network Highlights (Cnet)

CnetCnetCnetCnet

SOFTWARE

• PGP (POWER GENERATION PORTAL)– FOR MMI

• COMPOSER– FOR DEVLOPING LOGICS

COMPOSER

THANK YOU

DCS for ETs

Documents

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