Testing Alarm Relays - GE DigitalFlo XGM868i Service Manual

B.4.6 Testing Alarm Relays
Alarm relays may be added to the Model XGM868i by installing an appropriate option card in
contains two or four alarm relays, which are designated A, B, C and D.
Prepare for the testing procedure by connecting an ohmmeter to
identify the and
NO, NC
1. In the center pane of the Calibration/Test window, double-click on Slot 1.
2. Double-click on the desired output to open the Alarm Relay menu. (
manual.)
The procedure for testing
IMPORTANT:
reconnect the ohmmeter on terminal block
3. The center pane now offers three choices:
•
Double-clicking on Close should yield an ohmmeter reading of about zero.
•
Double-clicking on Open should yield an infinite ohmmeter reading.
•
Double-clicking on Exit closes the Alarm Relay menu, and returns you to the Output window.
4. Repeat steps 2 and 3 until both the normally-open and normally-closed contacts for all alarm relays have been
tested. Then click [Exit Page] to return to the Slot 1 window and calibrate additional inputs/outputs, or click [Exit
Page] again to close the Calibration/Test menu.
DigitalFlow™ XGM868i Service Manual
pins for on terminal block J2.
COM Alarm A
Alarms B, C or D
Appendix B. Calibration and Testing with PanaView
of the option card. See Figure 4 on page 12 to
Alarm A
Output A
is identical to that for testing
. See Figure 4 on page 12 for the correct pin numbers.
J2
Slot 1 . This option card
will be used as an example in this
. However, be sure to
Alarm A
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