Appendices
MS-860 Industrial Raster Reader User’s Manual
A-7
Optoisolator Inputs
All discrete inputs can be fully isolated pulses as PNP or NPN circuits.
Inputs include trigger, new master, and input 1.
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
Not Optoisolated
Minimum
Maximum
V
IN-HIGH
/I
IN-HIGH
10V/4mA
28V/33mA
V
IN-LOW
/I
IN-LOW
0 V/0mA
2V/2mA
Pulse Width
min
48 µS
Isolated Reader
PNP Source
+V
Signal
V
CC
Input (–)
Input (+)
+V
Signal
V
CC
Input (+)
Input (–)
NPN Source
Isolated Reader
Non-isolated Reader
Non-isolated Reader
NPN Source
PNP Source
Signal
+V
V
CC
Input (–)
Input (+)
Power (+)
Power
ground
+V
Signal
V
CC
Power ground
Input (–)
Input (+)
Power (+)
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