Wiring; Preparing For Operation - Pilz PZE X4VP Operating Manual

PZE X4VP
}
If more than 2 units are installed next to each other in the control cabinet, leave a dis­
tance of at least 6 mm between the units.

Wiring

Please note:
}
Information given in the "Technical details [
}
Outputs 17­18, 27­28, 37­38 and 47­48 are delay­on de­energisation safety contacts.
} To prevent contact welding, a fuse should be connected before the output contacts (see
Technical details).
}
Calculation of the max. cable runs l
I
max
R
lmax
R
l
}
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.
}
Do not switch low currents using contacts that have been used previously with high cur­
rents.
Preparing for operation
Supply voltage
Input circuit
Base unit:
Safety relay PNOZ X
Driven via safety contacts
Base unit:
Safety relay PNOZmulti
Driven via semiconductor outputs
(24 VDC)
Operating Manual PZE X4VP
1003202­EN­08
R
lmax
=
R / km
l
= max. overall cable resistance (see Technical details)
/ km = cable resistance/km
AC
Single­channel
24 V DC
0 V
O1
0 V
9]" must be followed.
in the input circuit:
max
DC
24 V DC
0 V
Dual­channel
A1
PZE
A2
A1
A2
PZE
L-
A1
PZE
A2
7