Pilz PNOZ s7.1 C 24VDC 3 n/o 1 n/c cascade - Manual (Page 7)

PNOZ s7.1
Operating Manual PNOZ s7.1
21865-EN-08
7
Preparing for operation
} Supply voltage
Supply voltage AC DC
Base unit:
PNOZsigma safety relay
Interface
PNOZsigma
PNOZs
expansion
module
PNOZs
expansion
module
Base unit:
PNOZ X safety relay
A1
A2
24 V DC
0 V
PNOZsigma
expansion
module
Supply voltage for expansion
modules PNOZsigma
B1
B2
24 V DC
0 V
PNOZsigma
expansion
module
} Input circuit
Input circuit Single-channel Dual-channel
Base unit:
Safety relay PNOZsigma
Base unit:
Safety relay PNOZ X
A1
A2
24 V DC
0 V
PNOZsigma
expansion
module
Base unit:
Safety relay PNOZelog Driv-
en via semiconductor out-
puts (24 V DC)
A1
A2 0 V
O1
L-
PNOZsigma
expansion
module
} Reset circuit/feedback loop
Reset circuit/feedback loop Base unit: Safety relay
PNOZ X
Base unit: Safety relay
PNOZelog
The inputs that evaluate the
feedback loop will depend on
the base unit and application PNOZsigma
expansion
module
Y1
Y2
feedback
loop
Y1
Y2
24 V DC
PNOZsigma
expansion
module
feedback
loop