IOs_LIST.PDF

UNITECH MACHINES LIMITED

COMPLIANCE REPORT M/s NTPC Comments through letter ref: CC:9575151:1018 , Dated: 12/10/2012

DOC. No. 9575-151-PVI-G-069 on Rev-00, I/O LIST

S.No. M/s NTPC comments UML Resolution

1. Separate signals shall be provided for Battery-Chager-1 and Battery-Charger-2

Noted & Revised

2. For all diesel engine operated pumps, ON feedback, OFF feedback, lube oil pressure low, engine over speed and cooling water temp. high shall also be included in I/O list.

Noted & incorporated

3 For all battery and battery chargers, analog signals like charger voltage, charger current, battery voltage etc shall be provided and alarm signals like battery fuse blown, battery charger I/P out of range, battery charger surge protection failure etc shall also be provided.


4 Separate signals shall be provided for battery charger-1 and battery charger-2.

Noted & Revised

5 Analog signals for LT incomer like current and voltage shall also be included in the list.


6 Signals from flow switch shall also be considered in I/O list.


S. No. Location Interfacing Signal Source Signal Form DI AI DO AO

A

1 - Booster Pump -1 MCC feeder on feedback MCC DI NO 1

2 - Booster Pump -1 MCC feeder off feedback MCC DI NC 1

3 - Booster Pump-1 MCC feeder Disturbance MCC DI NO 1

4 - Booster Pump-1 emergency stop command from field UML EPBS DI NC 1

5 - Booster Pump-1 Start command from PLC PLC DO NO 1

6 - Booster Pump-1 Stop command from PLC PLC DO NC 1

7 Booster Pump-1 Overload Trip Operated NTPC MCC MCC DI NO YES 1

8 PT-102 Booster Pump-1 Running PT AI 4 to 20 mA YES 1

9 PT-101 Booster Pump-1 motor start/ fail to start * PT AI 4 to 20 mA YES 1 1

10 - Booster Pump -1 selected in the manual mode PLC - - YES

11 Booster Pump DE MCC feeder On feedback NTPC MCC MCC DI NO 1

12 Booster Pump DE MCC feeder Off feedback NTPC MCC MCC DI NC 1

13 Booster pump lube oil pressure low from DECP EP DI NO 1

14 Booster Pump engine overspeed from DECP EP DI NO 1

15 Booster pump cooling water temp. high from DECP EP DI NO 1

16 - Booster Pump-1 DE fuel oil tank level low from DECP EP DI NO YES 1

17 - Booster Pump-1 engine start failure from DECP EP DI NO 1

18 - Booster Pump-1 control supply healthy from DECP DECP-01 DI NO 1

19 - Booster Pump-1 main control relay feedback from DECP

DECP-01 DI NO 1

20 - Booster Pump-1 local/remote selection from DECP DECP-01 DI NO 1

21 - Booster Pump-1 Stop command from DECP DECP-01 DI NC 1

22 - Booster Pump-1 Start command from PLC PLC DO NO 1

23 - Booster Pump-1 Stop command from PLC PLC DO NC 1

24 Booster Pump-1 Running annunciation in DECP PLC DO NO YES 1

25 Booster Pump fail to start annunciation in DECP PLC DO NO

26 PT-103 Booster Pump diesel engine start/ fail to start* PT AI 4 to 20 mA 1 1

27 PT-104 Booster Pump Running PT AI 4 to 20 mA 1

28 Booster Pump selected in the manual mode PLC - - YES

29 FS-101 Booster Pump BP-M-01 start

30 FS-101 Booster Pump BP-M-01 / BP-DE-01 fails to start

31 - Float Cum Boost Charger-1 Fail/Trip UML BC-1 DI NO 1

32 - Float Cum Boost Charger-1 DC over voltage UML BC-1 DI NO 1



35 - Battery under voltage UML BC-1 DI NO 1

36 - Battery earth fault UML BC-1 DI NO 1

37 - Battery Isolated UML BC-1 DI NO 1

38 - Charger - trouble UML BC-1 DI NO 1

39 - Battery on load UML BC-1 DI NO 1

40 Battery fuse blown UML BC-1 DI NO 1

41 Battery charger I/P out of range UML BC-1 DI NO 1

42 Battery charger surge protection failure UML BC-1 DI NO 1

43 Battery charger voltage UML BC-1 AI 4-20mA 1

FS

NTPC MCC

BP-M-01

Project : 2 X 660 MW, MOUDA, STPP STAGE II

Vendor : Unitech Machines Limited

Booster Pump House

Package : FIRE DETECTION & PROTECTION SYSTEMNTPC Doc. No. : 9575-151-PVI-G-069

I/O List of PLC System

RemarkSignal/ Contact TypeDrive No. DescriptionAnnunciatio

n IN OWSTag No.

Date:- 12.10.2012UML DOC. NO.-P308-I-038Client : M/s. NTPC

Booster Pump HouseBP-DE-01

Booster Pump House

REV-01

DI NO

UML

1

Page 2 of 5



Vendor : Unitech Machines LimitedPackage : FIRE DETECTION & PROTECTION SYSTEMNTPC Doc. No. : 9575-151-PVI-G-069



n IN OWSTag No.


REV-01

44 Battery charger current UML BC-1 AI 4-20mA 1

45 Battery voltage UML BC-1 AI 4-20mA 1

46 Battery under voltage UML BC-2 DI NO 1

47 Battery earth fault UML BC-2 DI NO 1

48 Battery Isolated UML BC-2 DI NO 1

49 Charger - trouble UML BC-2 DI NO 1

50 Battery On load UML BC-2 DI NO 1




54 Battery charger voltage BC-2 AI 4-20 mA 1

55 Battery charger current BC-2 AI 4-20 mA 1

56 Battery voltage BC-2 AI 4-20 mA 1

37 11 6

B

1 - Foam Pump - 1 MCC feeder on feedback MCC DI NO 1

2 - Foam Pump - 1 MCC feeder off feedback MCC DI NC 1

3 - Foam Pump-1 MCC feeder Disturbance MCC DI NO 1

4 - Foam Pump-1 emergency stop command from field EPBS DI NC 1

5 - Foam Pump-1 Start command from PLC PLC DO NO 1

6 - Foam Pump-1 Stop command from PLC PLC DO NC 1

7 Foam Pump-1 Overload Trip Operated MCC DI NC YES 1

8 PT-F-01 Foam Pump-1 Running signal/ Fail to start* PT AI 4 to 20 mA YES 1 1

9 - Foam Pump - 1 selected in the manual mode PLC - - YES

10 Foam pump DE MCC ON feedback NTPC MCC MCC DI NO 1

11 Foam pump DE MCC OFF feedback NTPC MCC MCC DI NC 1

12 Booster pump lube oil pressure low from DECP EP DI NO 1

13 Booster pump engine overspeed from DECP EP DI NO 1

14 Booster pump cooling water temperature high from DECP EP DI NO 1

15 - Foam Pump-1 DE fuel oil tank level low from DECP EP DI NO YES 1

16 - Foam Pump-1 engine start failure from DECP EP DI NO 1

17 - Foam Pump-1 control supply healthy from DECP DECP-01 DI NO 1

18 - Foam Pump-1 main control relay feedback from DECP DECP-01 DI NO 1

19 - Foam Pump-1 local/remote selection from DECP DECP-01 DI NO 1

20 Foam Pump Stop command from DECP DECP-01 DI NO

21 Pump running annunciation in DECP PLC DO NO 1

22 Pump fail to start annunciation in DECP PLC DO NO 1

23 - Foam Pump-1 Start command from PLC PLC DO NO 1

24 - Foam Pump-1 Stop command from PLC PLC DO NC 1

25 Foam Pump selected in manual mode PLC YES

Total

FP-M-01

Foam Pump House

UML

NTPC MCC

UML

Foam Pump House

Page 3 of 5






n IN OWSTag No.


REV-01

26 PT-F-02 Foam Pump-1 Running signal/ Fail to start* PT AI 4 to 20 mA YES 1 1

27 PT-F-03 Foam system for LDO tank PT AI 4 to 20 mA 1

28 PT-F-04 Foam system for HFO tank-1 PT AI 4 to 20 mA 1

29 PT-F-05 Foam system for HFO tank-2 PT AI 4 to 20 mA 1

30 PT-F-06 Foam system for Hydrant PT AI 4 to 20 mA 1

31 LT-F-01 Level low of Foam tank-1 LT AI 4 to 20 mA 1

32 LT-F-02 Level low of Foam tank-2 LT AI 4 to 20 mA 1

33 LSG Level of diesel Tank LSG DI NO 1





38 - Battery under voltage UML BC-1 DI NO 1











49 Battery under voltage BC-2 DI NO 1





54 Battery fuse blown BC-2 NO 1

55 Battery charger I/P out of range BC-2 NO 1

56 Battery charger surge protection failure BC-2 NO 1




36 14 8

C

1 - Switchgear disturbance DI NO 1

2 - Breaker OPEN status DI NO 1

3 - Breaker CLOSE status DI NC 1

4 - Breaker ready for remote operation DI NO 1

5 - Overload/Trip relay operated DI NO 1

6 - Breaker OPEN command DO NO 1

7 Breaker CLOSE command DO NC 1

Incomer-1

LT Switchgear Signals

Total

Foam Pump HouseFP-DE-01

Incomer-1 Booster pump house NTPC MCC

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n IN OWSTag No.


REV-01

8 Current measurement AI 4-20mA 1

9 Voltage measurement AI 4-20mA 1







16 Breaker CLOSE command DO NC 1

17 Current measurement AI 4-20mA 1

18 Voltage measurement AI 4-20mA 1






24 - Overload trip operated DI NO 1


26 - Breaker CLOSE command DO NC 1

16 4 6

89 29 20

9 3 2

NOTE: Annunciation marked with " * " above shall be annunciated in Main Fire Alarm panel.

Total I/O

Spare Channel ( 10%) for DI,DO & AI

Total

Bus coupler

Incomer-2Incomer-2 Booster Pump House NTPC MCC

Bus coupler Booster Pump House NTPC MCC

Page 5 of 5

2012-11-05T18:05:12+0530NTPCEOCsujeet kumarCAT I

IOs_LIST.PDF

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