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Maintenance
3500/42 Operation and Maintenance
102
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 5 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).
12. Disconnect the test equipment and reconnect the PWR, COM, and SIG field
wiring to the channel terminals on the I/O module. Verify that the OK LED
comes on and the OK relay energizes. Press the RESET switch on the Rack
Interface Module (RIM) to reset the OK LED.
13. Repeat steps 1 through 12 for all configured channels.
1X Amplitude (1X Ampl)
Note
The Keyphasor must be triggering and have a valid rpm value to check this
parameter.
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 5.1.5.1
(Test Equipment and Software Setup - Radial Vibration).
3. Set the Keyphasor multiplier/divider so that the multiply setting is one and the
divide setting is one. Adjust the function generator amplitude to produce a
reading that is within the 1X Ampl setpoint levels on the 1X Ampl 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 1X Ampl is green and that the
Current Value field contains no alarm indication.
5. Adjust the function generator amplitude such that the signal just exceeds the
1X Ampl Over Alert/Alarm 1 setpoint level. Wait for 2 to 3 seconds after the
alarm time delay expires and verify that the bar graph indicator for 1X Ampl
changes color from green to yellow and 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 1X Ampl remains yellow and that the Current Value
Field still indicates an Alarm.
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