4.10.2 Binary output circuits
Preferably, disconnect the binary output connector from the binary output cards. Check all
connected signals so that both load and polarity are in accordance with IED specifications.
4.11 Checking optical connections
Check that the Tx and Rx optical connections are correct.
An IED equipped with optical connections has an minimum space
requirement of 180 mm (7.2 inches) for plastic fiber cables and 275 mm
(10.9 inches) for glass fiber cables. Check the allowed minimum bending
radius from the optical cable manufacturer.
Section 4 1MRK 504 165-UUS -
Starting up
56 Transformer protection RET670 2.2 ANSI
Commissioning manual
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