Extinguishing Control Computer 8010 – 19-Inch
60 FB 798955.GB0 / 09.07
7.5.4 Relay outputs 12 and 13 (Power supply relay)
An alternating voltage up to 230 V AC can be switched with the two programmable relays 12 and 13
(NO contacts) via an external supply cable.
The relay terminals are placed at the housings rear side. For each relay terminal a separate PE-connector
and a cord grip
is available.
Relay type: Dry contact (NO)
Contact rating: max. 230 V AC / 2 A
Relay 12 Relay 13
Relay 13
PE
NO
C
Relay 12
PE
NO
C
Power supply relay
230V AC
12 12
Fig. 44: Schematic wiring of the relays no. 12 and 13
c
For each connected power cable to the relay 12 and 13 a separate PE-cable must be connected to the
relating PE-terminal on the housings rear side.
d
Cord grip
The mains supply voltage may be present at the relay terminals 12 and 13 even if the main power
supply is interrupted !
To switch external connected alternating voltages with relay 12 or 13 only suitable cable with
separate protective earth conductor (PE) must be used.
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