Bently 3500/15-03-00-00 power module monitoring system

Description

3500/15-03-00-00 The following sections describe how to test alarms, verify channels, and test OK

limits for channels configured as Eccentricity. The output values and alarm

setpoints are verified by varying the input Eccentricity signal level (both peak to

peak amplitude and DC voltage bias) and 3500/15-03-00-00 observing that the correct results are

reported in the Verification screen on the test computer.

1. 3500/15-03-00-00 The general approach for testing alarm setpoints is to simulate the eccentricity

   signal with a function generator and power supply. The alarm levels are tested by

   varying the output from the test equipment and observing that the correct results

   are reported in the Verification screen on the test computer. It is only necessary

   to test those alarm parameters that are configured and being used. The general

   test procedure to verify current alarm operation will include simulating a

   transducer input signal and varying this signal:

2. 1. to exceed over Alert/Alarm 1 and Danger/Alarm 2 Setpoints.
   2. to drop below any under Alert/Alarm 1 and Danger/Alarm 2 Setpoints.
   3. to produce a nonalarm condition.

   Peak to Peak

   1. Disconnect PWR, COM, and SIG field wiring from the channel terminals on

   the I/O module.

   2. Connect test equipment and 3500/15-03-00-00 run software as described in Section 5.1.6.1

   (Test Equipment and Software Setup – Eccentricity).

   3. Adjust the function generator amplitude such that the signal level does not

   exceed any setpoint value for the pp mil bar graph.

   4. Press the RESET switch on the Rack Interface Module (RIM). Verify that the

   OK LED is on, the bar graph indicator for pp is green, and the Current Value

   field has no alarm indication.

   5. Adjust the function generator amplitude such that the signal just exceeds

   the pp 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 pp

   changes color from green to yellow and that the Current Value Field

   indicates an Alarm.

   6. 3500/15-03-00-00 Press the RESET switch on the Rack Interface Module (RIM). Verify that the

   bar graph indicator for pp remains yellow and that the Current Value Field

   still indicates an Alarm.

   7. Adjust the function generator amplitude such that the signal just exceeds

   the pp 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 pp

   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 pp remains red and the Current Value Field still

   indicates an Alarm.

   9. Adjust the function generator amplitude such that the signal reads below

   the Over Alarm setpoint levels. If the nonlatching option is configured,

   observe that the bar graph indicator for pp 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. 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 5.1.10 (If a Channel Fails a Verification Test).

   11. 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. 3500/15-03-00-00 Press the RESET switch on the Rack

   Interface Module (RIM) to reset the OK LED.

   12. Repeat steps 1 through 11 for all configured channels.

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