Hitachi Relion RES670 Commissioning Manual page 85

1MRK 511 409-UUS Rev. K
Phasor measurement unit RES670
Commissioning manual
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
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Section 10
Testing IED operation
79