Safety in case of faults, Fusing of the power supply and the safety contacts – EUCHNER CES-A-AEA-04B (Unicode) User Manual
Page 12

Operating Instructions Safety System CES-A-AEA-02B/CES-A-AEA-04B
12
Safety in case of faults
Ì
The operating voltage U
B
is reverse polarity protected.
Ì
The connections for the read heads 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
.
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