Pilz PNOZ s9 C 24VDC 3 n/o t 1 n/c t coated - Manual (Page 6)

PNOZ s9
Operating Manual PNOZ s9
21401-EN-08
6
Wiring
Please note:
} Information given in the "Technical details" must be followed.
} Outputs 17-18, 27-28, 37-38 are safety contacts; output 45-46 is an auxiliary contact
(e.g. for display).
} Auxiliary contact 45-46 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
R
l
/ km
I
max
=
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
Operating modes and delay time
The operating mode and delay time are set via the rotary switches on the unit. You can do
this by opening the cover on the front of the unit.
CAUTION!
Do not adjust the rotary switch during operation, otherwise an error mes-
sage will appear, the safety contacts will open and the unit will not be ready
for operation until the supply voltage has been switched off and then on
again.
Set operating modes
} Switch off supply voltage.
} Select operating mode via the operating mode selector switch "mode".
} If the operating mode selector switch "mode" is in its start position (vertical position), an
error message will appear.
operating mode
selector switch
"mode"
delay-on de-en-
ergisation, not
retriggerable
delay-on de-en-
ergisation, retrig-
gerable
delay-on energi-
sation
pulse on switch-
ing on