
PNOZ s8
Operating Manual PNOZ s8
21400-EN-07
5
Wiring
Please note:
} Information given in the "Technical details" must be followed.
} The outputs 13-14, 23-24 are safety contacts.
} Semiconductor output Y32 should not be used for safety circuits!
} To prevent contact welding, a fuse should be connected before the output contacts (see
technical details).
} Calculation of the max. cable length l
max
in the input circuit:
R
lmax
= max. overall cable resistance (see technical details)
R
l
/ km = cable resistance/km
} Use copper wire that can withstand 60/75 °C.
} Sufficient fuse protection must be provided on all output contacts with capacitive and in-
ductive loads.
Preparing for operation
} Supply voltage
Supply voltage AC DC
} Input circuit
Input circuit Single-channel Dual-channel
Base unit:
Safety relay PNOZ X
Base unit:
PNOZelog safety relay
Driven via semiconductor
outputs (24 VDC)
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