PNOZ X9
Operating Manual PNOZ X9
19526-EN-09
12
Input circuit
Single-channel
Dual-channel
Light guard or safety switch, de-
tection of shorts across contacts
via ESPE (only when U
B
: 24 V DC)
B
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 [
27]
).
NOTICE
Operation with a light guard or safety switch
It must not be possible to switch off the supply voltage for the PNOZ X9
separately from the supply voltage for the light guard or safety switch.
Start circuit
Single-channel, dual-channel
without detection of shorts
across contacts
Dual-channel with detection of
shorts across contacts
Automatic start
Y1
S37
Y1
S37
Automatic start with start-up test
(safety gate, dual-channel)
Y1
S37
S33
S34
Simultaneity S1 and S2: Max. 150
ms
Manual start
Y1
S37
Y1
S37
Monitored start
S33
S34
S3
S37
Y1
S12
S34
S3
S37
Y1
