This may change both binary input values and output relay states and will undo any
forcing done by using the LHMI.
If the IED is left in test mode, then it is still possible to perform new forcing operations,
both from LHMI and from PCM600
1MRK 504 165-UUS Rev. J Section 10
Testing IED operation
Transformer protection RET670 93
Commissioning manual
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