Instruction Manual

Chapter 2 Device Description
Device Diagnostics
PM180 Substation Automation Unit
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NOTE
The IRIG-B time faults may not be masked and may not be cleared externally. If the
IRIG-B time code signal is not provided, set the device time synchronization input to
any unused digital input (see Local Settings in Chapter 7) to avoid fault alarms
caused by the IRIG-B port.