44
3.2 C
ONNECTING
THE
SENSORS
ALS
20X
256
3.2.2
Alternative label sensor
Other suitable sensors can be used as an alternative to
the throughbeam photoelectric sensor.
– Permitted sensor types: PNP or NPN
– Default setting: PNP
Alternative label sensor and standard photo-
electric sensor may both be connected at the
same time. Selection of the active sensor is
done by calling the function
MACHINE SETUP >
Label sens. type
. The setting is stored within the
product profile.
Connecting the sensor
Plug the sensor in to the connector shown [51A]
(ALS 256: [51B]).
Pin assignment
1) chapter “Changing light/dark switching at the product sensor or the
alternativ label sensor” on page 47
Connection accessories
Article no.
Connector (cable-Ø 4-6 mm)
A8142
Connector (cable-Ø 6-8 mm)
A8143
Connecting cable (coupling-plug)
A7127
Pin
Assignment
1
+24 V
2
+24 V or ground or no
connection
1)
3
Ground
4
Sensor signal
[51] Connection for alternative label sensor:
A
ALS 20X
B
ALS 256
A
B
1
2
3
4
Summary of Contents for ALS 204
Page 1: ...ALS 204 206 256 SERVICE INSTALLATION MANUAL Labeller Edition 8 3 2012 Original version ...
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