6-50 | Model 931S / Model 932S UV Analyzers
Decimal Alarm
Bit
Value
Type
Alarm Condition / Description and Suggested Corrective Action
2
4
Fault
f: Sample gas pressure too low
The sample pressure is below 1 % of the full-scale range.
Note: This alarm is used only by analyzers equipped with the optional
pressure transducer.
Corrective Action:
•
Check the sample gas pressure gauge and ensure that it is at an appropriate
flow and pressure, as recommended on the system drawings.
•
From the
Output Setup
dialog box, confirm the sample gas
Low Scale
and
High Scale
pressure settings are correct.
•
Check for leaks in the sample system (see “Sample System Leak Check” in
Chapter 3).
•
Check the solenoids (backpan).
If this doesn’t correct the alarm, take appropriate safety precautions, open the
Lower Enclosure, and:
•
Check the pressure transducer.
•
Replace the
Customer I/O
board.
Contact AMETEK to verify operation
before removing this board.
3
8
Fault
f: On-Chip A/D not responding
The
Host Controller
board’s internal analog-to-digital converter (A/D) is not
responding.
Corrective Action:
Take appropriate safety precautions, open the Lower Enclosure, and:
•
Replace the
Host Controller
board.
Contact AMETEK to verify operation
before removing this board.
Setup (tab)
Output
Содержание 931S
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Страница 71: ...Installation and Start Up 3 25 Figure 3 8 Conduit entries and AC power connection locations Lower Enclosure...
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Страница 221: ...Maintenance and Troubleshooting 6 37 Figure 6 12 Optical Bench Chopper Assembly Maintenance diagram 100 2313 1A...
Страница 237: ...Maintenance and Troubleshooting 6 53 Figure 6 14 AC Distribution board P N 100 1771...
Страница 238: ...6 54 Model 931S Model 932S UV Analyzers Figure 6 15 Host Controller board P N 100 1757 SW100...
Страница 239: ...Maintenance and Troubleshooting 6 55 Figure 6 16 Microcontroller board P N 100 1781 SW400...
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Страница 263: ...Appendix A Drawings A 7 RS 232 Cable Communications Connections 300 9480...
Страница 264: ...A 8 Model 931S Model 932S UV Analyzers Optical Bench Board 100 1662...
Страница 265: ...Appendix A Drawings A 9 PMT Buffer Board 100 0140...
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