Microscan MS-860 User Manual page 244

Optoisolator Inputs
All discrete inputs can be fully isolated pulses as PNP or NPN circuits.
Inputs include trigger, new master, and input 1.
Minimum
V /I 10V/4mA
IN-HIGH IN-HIGH
V /I 0 V/0mA
IN-LOW IN-LOW
Pulse Width 48 µS
min
Note: Trigger pulses can be sent to the reader either through the host 25-pin connector
or a separate 4-pin trigger connector.
25-Pin Connector Input Examples
Fully Optoisolated
Isolated Reader
V
CC
Input (+)
Input (–)
Not Optoisolated
Non-isolated Reader
Power (+)
V
CC
Input (+)
Input (–)
Power ground
MS-860 Industrial Raster Reader User's Manual
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Maximum
28V/33mA
2V/2mA
PNP Source
Isolated Reader
+V
V
CC
Signal
PNP Source Non-isolated Reader
+V
V
CC
Signal
Appendices
NPN Source
+V
Input (+)
Input (–)
Signal
NPN Source
+V
Power (+)
Input (+)
Input (–)
Signal
Power
ground
A-7