Binary Output Circuits; Checking Optical Connections - ABB Relion 630 Series Commissioning Manual

Section 2
Starting up
2.11.2
2.12
20

Binary output circuits

Preferably, disconnect the binary output connector from the binary output cards.
Check all connected signals so that both load and voltage are in accordance with
the IED specifications.

Checking optical connections

Check that the Tx and Rx optical connections are correct.
An IED equipped with optical connections requires a minimum
depth of 180 mm. The allowed minimum bending radius has to be
checked from the optical cable manufacturer.
1MRS756801 A
630 series
Commissioning Manual