Description Of I/O Signals - Avery Dennison ALS 341 User Manual

Operators Manual
ALS 341

6.6 Description of I/O signals

The external I/O signals are connect to the terminal on the CPU board Figure 18.
All input are electrically separated by opto couplers. NPN and PNP sensor output can be
connected shown in Figure 17.
8
VCC VCC
7
GND GND
6
OUT
5
VCC VH
PC921
8
VCC VCC
7
GND GND
6
OUT
5
VCC VH
PC921
Figure 17 Sensor connection
There are two type of output
•
Opto coupler driving up to 50mA
•
High side driver PNP type outputs supplying up to 1A.
Ready
no error is active.
Warning
configuration:
Tandem mode off: This output is on if any warning condition is meet.
Tandem mode on: Output for tandem operation
Error
Printer (CN6) This output is switched on every time a label is dispensed. The active time
is 50ms.
Inhibit
OD-input
switched on.
Printer (CN10)
Release 4/04
1k
1
IN+
2
IN-
3
NC GND
4
NC
+24V
1k
1
IN+
2
IN-
3
NC GND
4
NC
+24V
This output is on, if the labeller is powered on, the condition is online and
The function of the output depends on the selected modes in the
This output is turned on, if a error condition exist.
If this input is active, a signal from the product sensor will be ignored.
If this input is active, a warning will be displayed and the OD-output
Print signal like the printer output.
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27 31 35 39
28 32 36 40
29 33 37 41
+24V
30 34 38 42
27 31 35 39
28 32 36 40
29 33 37 41
+24V
30 34 38 42
24V NPN-Senso
24V PNP-Sensor
Electrical connections