188 Digital Output Module Indicators
Trident Planning and Installation Guide
DO Power/Load Indicator
The DO power/load indicator is lit when a power/load problem has occurred.
DO Point Indicator
The DO point indicators identify whether the point is energized or not energized.
Power/
Load
Description Action
Yellow
steady
For at least one point, the
commanded state and the
measured state do not agree.
To isolate the suspected point, use the
TriStation Diagnostic Panel.
To determine the commanded state of the
output point, use the TriStation Control
Panel.
To determine the actual state of the
output, use a voltmeter, then correct the
problem in the external circuit.
Verify that load current is within product
specification.
If these steps do not solve the problem,
replace the module.
Point (1-16) Description
Green steady Field circuit is energized.
No light Field circuit is not energized.