A-2
Common earth fault ground indicator
Overview This application monitors a system pseudo (A112) that counts the number of ground faults that
occur on the system. Each time this counter increments (i.e., a ground fault occurs), a yellow
LED on the operator interface panel illuminates.
Step 1. Open CPU
card properties
dialog
1. Click on the Hardware tab and expand the Unit 0, Box 1, Bay 1 icons to display the CPU
Card. (Click on the + signs to the left of the Unit 0, Box 1, and Bay 1 icons to expand them.)
Figure A-1. Selecting the CPU card
2. Right click on the CPU card icon (it is highlighted in the example above) and select Proper-
ties. When the CPU card properties dialog appears, click on the Display tab as shown in the
example below.
Figure A-2. The Display tab: Display checkbox
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