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.
Noted & incorporated
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.
Noted & incorporated
6 Signals from flow switch shall also be considered in I/O list.
Noted & incorporated
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
33 - Float Cum Boost Charger-2 Fail/Trip UML BC-2 DI NO 1
34 - Float Cum Boost Charger-2 DC over voltage UML BC-2 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
S. No. Location Interfacing Signal Source Signal Form DI AI DO AO
Project : 2 X 660 MW, MOUDA, STPP STAGE II
Vendor : Unitech Machines LimitedPackage : 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
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
51 Battery fuse blown UML BC-2 DI NO 1
52 Battery charger I/P out of range UML BC-2 DI NO 1
53 Battery charger surge protection failure 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
S. No. Location Interfacing Signal Source Signal Form DI AI DO AO
Project : 2 X 660 MW, MOUDA, STPP STAGE II
Vendor : Unitech Machines LimitedPackage : 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
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
34 - Float Cum Boost Charger-1 Fail/Trip UML BC-1 DI NO 1
35 - Float Cum Boost Charger-1 DC over voltage UML BC-1 DI NO 1
36 - Float Cum Boost Charger-2 Fail/Trip UML BC-2 DI NO 1
37 - Float Cum Boost Charger-2 DC over voltage UML BC-2 DI NO 1
38 - Battery under voltage UML BC-1 DI NO 1
39 - Battery earth fault UML BC-1 DI NO 1
40 - Battery Isolated UML BC-1 DI NO 1
41 - Charger - trouble UML BC-1 DI NO 1
42 - Battery on load UML BC-1 DI NO 1
43 Battery fuse blown UML BC-1 DI NO 1
44 Battery charger I/P out of range UML BC-1 DI NO 1
45 Battery charger surge protection failure UML BC-1 DI NO 1
46 Battery charger voltage BC-1 AI 4-20 mA 1
47 Battery charger current BC-1 AI 4-20 mA 1
48 Battery voltage BC-1 AI 4-20 mA 1
49 Battery under voltage BC-2 DI NO 1
50 - Battery earth fault UML BC-2 DI NO 1
51 - Battery Isolated UML BC-2 DI NO 1
52 - Charger - trouble UML BC-2 DI NO 1
53 - Battery on load UML 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
57 Battery charger voltage BC-2 AI 4-20 mA 1
58 Battery charger current BC-2 AI 4-20 mA 1
59 Battery voltage BC-2 AI 4-20 mA 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
Page 4 of 5
S. No. Location Interfacing Signal Source Signal Form DI AI DO AO
Project : 2 X 660 MW, MOUDA, STPP STAGE II
Vendor : Unitech Machines LimitedPackage : 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
REV-01
8 Current measurement AI 4-20mA 1
9 Voltage measurement AI 4-20mA 1
10 - Switchgear disturbance DI NO 1
11 - Breaker OPEN status DI NO 1
12 - Breaker CLOSE status DI NC 1
13 - Breaker ready for remote operation DI NO 1
14 - Overload/Trip relay operated DI NO 1
15 - Breaker OPEN command DO NO 1
16 Breaker CLOSE command DO NC 1
17 Current measurement AI 4-20mA 1
18 Voltage measurement AI 4-20mA 1
19 - Switchgear disturbance DI NO 1
20 - Breaker OPEN status DI NO 1
21 - Breaker CLOSE status DI NC 1
22 - Breaker ready for remote operation DI NO 1
23 - Overload/Trip relay operated DI NO 1
24 - Overload trip operated DI NO 1
25 - Breaker OPEN command DO 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
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