
Dale Power Solutions Ltd
Salter Road, Eastfield Industrial Estate, Scarborough, North Yorkshire, YO11 3DU, UK
[email protected] | www.dalepowersolutions.com |
+44 (0) 1723 583511
Dry contact relay signals
To wire to the sockets you will need:
■ Wieland Electric plugs, part number 25.340.0753.0
Figure 13 Dry contact relay sockets
Connections:
Signal
name
Description
12V
Provides a +12 V 100 mA isolated supply on each connector row
FIRE
Fire alarm input signal
SMOG
Smog alarm input signal
SURGE
Surge alarm output signal
NC
No connection
BP_C
Anti-backfeed relay common
BP_S
Anti-backfeed relay normally open
To prevent the input being energised by backfeeding in the event of an internal failure, connect this
signal to an external circuit breaker trip
GEN
Generator signal input
BAT_T
Over temperature switch on battery. Feed +12 V via the switch when the battery temperature is
exceeded
EPO
Emergency power off connect to +12V for complete power off (pulse contact)
GND
Common return (0 V) for the +12 V supply and relays. This is not connected to the chassis
BP_O
Anti-backfeed relay normally closed
To prevent the input being energised by backfeeding in the event of an internal failure, connect this
signal to an external circuit breaker trip