Binary Output Circuits; Checking Optical Connections - ABB RES670 2.1 Commissioning Manual

1MRK 511 366-UUS -
4.10.2
4.11
Commissioning manual

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.

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
Starting up
49