Wiring – Pilz PNOZ s7.1 C 24VDC 3 n/o 1 n/c cascade User Manual
Page 6
PNOZ s7.1
Operating Manual PNOZ s7.1
21865-EN-08
6
Expansion options
Please note the max. power consumption of the
contact expansion modules (see technical data
PNOZ s7.1).
: Contact expansion module PNOZ s7.1 with ter-
minator
: Contact expansion module PNOZ s7.2
: Expansion module PNOZ s7, s8, s9, s10, s11
as a terminator
: Base unit
: Contact expansion module PNOZ s7.1
: Contact expansion module PNOZ s7.2
: Contact expansion module PNOZ s7.1
: Contact expansion module PNOZ s7.2
: Contact expansion module PNOZ s7.2 with ter-
minator
Wiring
Please note:
}
Information given in the "Technical details" must be followed.
}
The output contacts 13-14, 23-24, 33-34 are safety contacts.
}
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.