GE Multilin MIB - Measurement and Self-Test; Measurement; Self-Test

2-14 MIB High Impedance Bus Differntial Relay GEK-106426B
2.7 MEASUREMENT AND SELF-TEST 2 PRODUCT DESCRIPTION
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2.7MEASUREMENT AND SELF-TEST 2.7.1 MEASUREMENT
MIB provides actual values for differential currents. Accuracy is 1% at nominal current, and 3% in the complete range.
2.7.2 SELF-TEST
Self-monitoring tests are carried out both when the unit is started up and during normal operation. Any internal problem
detected by the self-monitoring function will issue an alarm and the READY output contact will be released, indicating an
out of service condition.