Relays; Digital Output; Control Or Retransmission Analog Output - ABB COMMANDER 351 User Manual

...5 INSTALLATION

5.3 Relays

Note. Refer
Table B for default relay assignments.
Relay contacts are rated at:
115/230 V AC at 5 A (non-inductive)
250 V DC 25 W max.
A suitable fuse must be fitted.
5.3.1 Setting the Relay Links – Fig. 5.9
Set the links on the option board (if fitted).
Note. The default setting for the relay links is 'Normally Open' (N/O).
78
to the Rear Fold-out/
Normally Open
Normally Closed
LK3 = Relay 3
LK4 = Relay 4
LK3
LK4
Fig. 5.9 Relay Links

5.4 Digital Output

15 V DC min. at 20 mA
Min. load 750 Ω
5.5 Control or Retransmission
Analog Output
Max. load 15 V (750 Ω at 20 mA).
Isolated from analog input, dielectric strength
500 V for 1 minute.