EUCHNER CES-A-ABA-01B (Unicode) - Manual (Page 11)

Operating Instructions Safety System CES-A-ABA-01/CES-A-ABA-01B
11
Safety in case of faults
Ì
The operating voltage U
B
is reverse polarity protected.
Ì
The connections for the read heads, ERR and OUT are not short circuit-proof.
Ì
A short circuit between 13/14 and 23/24 can be detected only by means of
external pulsing.
Ì
A short circuit in the cable can be excluded by laying the cable with protection.
Fusing of the power supply and the safety contacts.
Ì
Provide external contact fuses (6 A gG fuse or 6 A circuit breaker, characteris-
tic B or C) for relay outputs.
Ì
The power supply must be protected with a max. 8 A fuse before terminal U
B
.