PSC LazerData 11000 Series, Руководство по установке

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Installation Manual LazerData
®
11000 Scanner
Installation - 2.13
2.4.4 Inputs
The inputs available on the connector supplied with the scanner are the pins
relative to the code presence sensor, as indicated below:
9-Pin 25-Pin Name Function
8 18 PS+ Presence sensor (input +)
9 19 PS- Presence sensor (input -)
The inputs indicated are used to connect the code presence sensor, which tells the
scanner to scan for a code. The yellow LED (Figure A.,
d
) is on during the active
phase of the PS signal indicating that decoding can take place.
This input is optocoupled and can be driven by both an NPN (neg.-pos.-neg.) or
PNP (pos.-neg.-pos.) type command. The connections are indicated in the following
diagrams:
PS+
PS-
18
19
+ 5V
11000
scanner 25-pin
PRESENCE SENSOR
Signal
V
30 VDC max. Vext
or
PS+
PS-
8
9
11000
scanner 9-pin
Figure 2.13 - Input NPN command using external power