Maintenance
3500/42 Operation and Maintenance
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12. Repeat steps 1 through 11 for all configured channels.
Gap
1. Disconnect PWR, COM, and SIG field wiring from the channel terminals on
the I/O module.
2. Connect test equipment and run software as described in section 5.1.7.1
(Test Equipment and Software Setup - Eccentricity).
3. Adjust the power supply to produce a voltage that is within the Gap setpoint
levels on the Gap bar graph display of the Verification screen.
4. Press the RESET switch on the Rack Interface Module (RIM). Verify that the
OK LED is on, the bar graph indicator for Gap is green, and the Current
Value still has no alarm indication.
5. Adjust the power supply voltage such that the signal just exceeds the Gap
Over Alert/Alarm 1 setpoint level. Wait for 2 or 3 seconds after the alarm
time delay expires and verify that the bar graph indicator for Gap changes
color from green to yellow and that the Current Value Field indicates an
Alarm.
6. Press the RESET switch on the Rack Interface Module (RIM). Verify that the
bar graph indicator for Gap remains yellow and that the Current Value Field
still indicates an Alarm.
7. Adjust the power supply such that the signal just exceeds the Gap Over
Danger/Alarm 2 setpoint level. Wait for 2 or 3 seconds after the alarm time
delay expires and verify that the bar graph indicator for Gap changes color
from yellow to red and that the Current Value Field indicates an Alarm.
8. Press the RESET switch on the Rack Interface Module (RIM). Verify that the
bar graph indicator for Gap remains red and that the Current Value Field still
indicates an Alarm.
9. Adjust the power supply voltage such that the signal reads below the Over
Alarm setpoint levels. If the nonlatching option is configured, observe that
the bar graph indicator for Gap changes color to green and that the Current
Value Box contains no indication of alarms. Press the RESET switch on the
Rack Interface Module (RIM) to reset latching alarms.
10. Repeat steps 3 through 9 to test the Under Alert/Alarm 1 and Under
Danger/Alarm 2 setpoints by adjusting the power supply to exceed the Under
Alarm setpoint levels.
11. If you can not verify any configured alarm, recheck the configured setpoints.
If the monitor still does not alarm properly or fails any other part of this test,
go to Section 5.1.11 (If a Channel Fails a Verification Test).
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