ABB RED670 Commissioning Manual page 97

Line differential protection
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1MRK 505 378-UUS Rev. J
Line differential protection RED670
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
© 2017 - 2021 Hitachi Power Grids. All rights reserved
Section 10
Testing IED operation
91

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