The Test LEDs menu enables the operator to activate LEDs manually. LEDs that
do not light up are defective. Defective LEDs are also logged in Disturbance
records under Monitoring.
11.8 Line differential test
Main menu/Test/Line differential test/LineDiffLogic
Settings used during test of line differential protection including test mode setting.
With the line differential protection in test mode, it can be tested locally without
causing unwanted operation in the remote end.
Main menu/Test/Line differential test/LDCMX
The scale factor for current sent to remote end IED to be echoed back to local IED
during test is set here.
Section 11 1MRK 502 014-UEN C
Test the IED
80
Operator's manual
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