ABB 216DB61 HESG334063R100 Binary I/P And Tripping Unit Board

The binary I/P and tripping unit comprises 16 I/P and 8 O/P channels.

The O/P channels are used to transfer the tripping commands of activated protection functions to the 216GA62 tripping relay module.

The I/P channels are used for external signals from the 216GE61 I/P relay module, which it transfers to the 216VC62a processing unit via the bus.

• connector "a" (upper) : I/P channels CHI01...CHI16

• connector "b" (lower) : channels CHO01...CHO08.

The position of the plug-in jumper BR1 on the PCB of 216DB61 determines whether the "ENABLE" and "BLOCK CH OUT" functions are operational or not, i.e.

whether the tripping channels CHO01...CHO08 are enabled or disabled. The enabling and blocking functions only concern the 216DB61 unit.

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