BILL OF MATERIAL
1.Portable I/O Modules with built in power supply, with connectors and accessories Modules for X input channels Type A & Y input Channels Type B
I/O module capacity: 16-20 channels each for Type A & B Please refer Para 2.4.1 for Type A & Type B descriptions. The quantities X & Y can be decided as per the requirement
2.Network cable with connectors at both ends (as per Beldon 9207 series or equivalent)
Type I - 20 meters long as per the requirement Type II - 50 meters long as per the requirement
3. |
Notebook PC with pre loaded Software as per specifications |
1 set |
4. |
Application software for inputs with facility for communication |
with analysis |
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software on Excel Environment as per details |
1 set |
Note:
1.Networking cables as specified above should be quoted with connectors at both ends. Unit rates of cable and connectors should be quoted separately.
2.The quantities can be decided as per the requirement of the specific plants.
Section: 2.4 Page 6/10
Technical Data Sheet: Portable Data Acquisition System
The following data shall be furnished for the equipment model quoted.
Sl.No. |
NTPC Requirements |
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Vendor Compliance |
Remarks / |
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Deviations |
1. |
Manufacturer’s Name |
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2. |
Model No. |
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3. |
Ordering Code |
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4. |
Quantity quoted (of each type) |
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Type A: ( X channel) Capable of accepting |
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both (a) & (b) types of inputs i.e. all |
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of type (a) or (b) or a mix of the two |
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a) RTDs (PRT -100 ohms) - 4 wire |
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b) Pressure transmitter - 4- 20 mA |
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Type B: ( Y channel) Thermocouple with |
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built in CJC - K Type |
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5. |
Number of input channels in each module |
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16 to 20 Nos. for Type A |
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20-35 channels for Type B |
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6. |
A to D converter (built in with each module) |
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16 Bits min. |
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7. |
Power supply suitability |
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220/240 V AC, 50 Hz (47 to 53 Hz)+ / - 10% |
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8. |
Network Interface |
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RS 232 Communication link for directly |
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connecting to PC for a distance of 3 mts and |
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communication link along with modem unit |
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for remote transmission (one modem each for |
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Type A and Type B modules) |
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9. |
a) Maximum length of interface cable 1 Km |
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b) Serial Computer Interface (to Laptop/ |
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Desktop |
PC |
using |
application interface |
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software) Type: RS232 Communication link |
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Number: One |
per module Minimum length: |
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3 mts |
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Network communication: results to return to |
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host every one/ten second (Selectable) |
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10. |
Channel to channel & channel to ground |
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isolation (volts) 200 V min. |
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11. |
A) C M R R at 50 Hz (100 dB) Yes/No |
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B) N M R R (50 dB) |
Yes / No |
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12. |
Portability: For easy transportation from site |
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to site |
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13. |
Degree of |
protection |
confirming to plant |
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environment |
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Section: 2.4 Page 7/10
14. |
Operating temperature and R: humidity |
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0-45 deg. C / 90% non condensing |
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Sl.No. |
NTPC Requirements |
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Vendor Compliance |
Remarks / |
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Deviations |
15. |
Weight (Kg) |
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16. |
Dimensions |
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17. |
Input / Output termination |
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Socket type with male/ female connectors as |
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below: |
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a) |
For T/Cs : 2/ pin Omega type connectors |
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of thermocouple grade material |
located on |
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the side of the box. |
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b) |
9 pin socket mounted on the side of the |
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box with permanent wiring for 4 wire RTDs |
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& 4-20 MA inputs. |
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c) |
Suitable connectors for the network |
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cables. |
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18. |
Integrated system having : |
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a) |
24 Vdc power Supply for transmitters |
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c) |
Signal conditioning circuitry for smart 2 |
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wire transmitters |
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d) |
Current loop with individual fuse and |
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status LED |
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19. |
Local Area Network |
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a) |
Standard applicable |
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b) |
Data transmission speed 500 |
results/sec |
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c) |
Type of network cable to be used |
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Beldon 9207 or equivalent |
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20. |
Power Supply Unit |
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a) |
Capacity in terms of input channels |
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b) Input AC power supply 230 V 50 Hz ( + |
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/ - 10%) |
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21. |
Computer & Printer |
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a) |
As per specifications |
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22. |
Provision for System Expansion |
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a) |
With add-on I/O devices |
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b) |
Application software upgradability |
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23. |
System Integration as per specification along |
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with all accessories to be demonstrated |
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24. |
Application Software (as per specification |
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given) Provision for DDE link to export data |
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to customers MS Excel programs and to be |
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demonstrated. |
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Section: 2.4 Page 8/10
25.Documents: Operation & Maintenance manual ( 2 sets)
Note: A) Data sheets to be submitted along with the offer indicating clearly, deviations if any
B)Detailed Quality Plan & Type test report after ordering to be submitted for approval
C)Test & Guarantee Certificate to be submitted before the dispatch clearance
Maintenance: Cost and time effective service support to be available in India through authorized representative or directly.
Section: 2.4 Page 9/10