3500/42 Operation and Maintenance
Maintenance
119
Note
If the test equipment has the capability to change the phase output to a known
value, use the following procedure.
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). Set the Keyphasor
multiplier/divider so that the multiply setting is one and the divide setting is
two.
3. Adjust the phase for mid-scale. Verify that the 2X Phase bar graph display
and Current Value Box is reading ±1.5 % of mid-scale. If the recorder output
is configured, refer to Section 5.1.10 (Verify Recorder Outputs) for steps to
verify the recorder output.
4. If the reading does not meet specifications, double check the input signal to
ensure it is correct. If the monitor still does not meet specifications and/or
fails any other part of this test, go to Section 5.1.11 (If a Channel Fails a
Verification Test).
5. 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.
6. Repeat steps 1 through 5 for all configured channels.
Not 1X Amplitude
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. Calculate the full-scale voltage according to the equation and example shown
below. Adjust the function generator amplitude to the calculated voltage.
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