
Electrical Specifications
MS-880 Industrial Long Range Scanner User’s Manual A-11
Appendices
Optoisolator Inputs
All discrete inputs can be fully isolated pulses as PNP or NPN circuits.
Inputs include trigger, new master, and other discrete inputs.
Note: Trigger pulses can be sent to the scanner either through the host 25-pin con-
nector or a separate 4-pin trigger connector.
25-Pin Connector Input Examples
Fully Optoisolated
Not Optoisolated
Input (+)
Input (–)
I
load
Generic Waveform Characteristics
Minimum Maximum
V
IN-HIGH
/I
IN-HIGH
4.5V/4mA 28V/33mA
V
IN-LOW
/I
IN-LOW
0 V/0mA 2V/2mA
Pulse Width
min
48 µS
Isolated Scanner
PNP Source
+V
Signal
V
CC
Input (–)
Input (+)
+V
Signal
V
CC
Input (+)
Input (–)
NPN Source
Isolated Scanner
Non-isolated Scanner Non-isolated Scanner
NPN SourcePNP Source
Signal
+V
V
CC
Input (–)
Input (+)
Power (+)
Power
ground
+V
Signal
V
CC
Power ground
Input (–)
Input (+)
Power (+)
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