Pilz PNOZ X4 - Preparing for Operation; Input Circuit Wiring

PNOZ X4
Operating Manual PNOZ X4
19894-EN-07
11
Preparing for operation
Supply voltage AC DC
A1
A2
L1
N
FE
A1
A2
L+
L-
Input circuit Single-channel Dual-channel
E-STOP
without detection of shorts
across contacts
S1
S22
S21
S11
S52
S12
S1
S11
S12
S52
S22
S21
E-STOP
with detection of shorts across
contacts
S1
S22
S21
S12
S11
S52
S11
Safety gate
without detection of shorts
across contacts
S1
S22
S21
S11
S52
S12
S1
S2
S22
S21
S11
S12
S52
Safety gate
with detection of shorts across
contacts
Light guard or safety switch, de-
tection of shorts across contacts
via ESPE (only when U
B
= 24
VDC)
NOTICE
With single-channel wiring the safety level of your machine/plant may be
lower than the safety level of the unit (see Safety characteristic
data [ 30]).