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2
I
NSTALLATION
2.3 C
ONNECTING THE SENSORS
Switching between PNP/NPN
Both, the machine as well as the label sensors provided
by Avery Dennison, are preset for NPN-mode opera-
tion.The Avery sensor can as well be operated in PNP-
mode, if power supply board and sensor are switched
to PNP.
Sensor
Power supply setting
a
NPN
Wenglor
X
a
Avery
X
[34] Overview: switching between PNP/NPN (X = Possible mode).
a) Default setting
b) Optional settable
Switching on the power supply
Swap over jumper JP102 [32A] on the power supply
board.
Switching at the sensor
Wenglor sensor
Switching at the sensor is not possible.
Avery sensor
Press the button [33A] for at least 6 s, until the status
LEDs [33B] flash 2x.
– Default setting: NPN
Finding out the current setting
Move some label material through the sensor fork
and watch the LEDs.
Compare the result with the table:
Mode
Label
Yes
Wenglor (NPN)
No
Yes
Avery (PNP)
No
Yes
Avery (NPN)
No
[35] Overview: LED activity and output levels with or without Label.
PNP
b
X
LED
Output
On
Low
Off
High
On
High
Off
Low
Off
Low
On
High
25
A
NPN
PNP
[32] Jumper position of JP102 (A) on the power supply board.
B
[33] Switching the Avery sensor between PNP and NPN.
ALS
104
A
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