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©Vecow GPC-1000 User Manual
Appendix A
A.2 Isolated DIO Signal Circuit
DI reference circuit :
Sink Mode
(NPN)
Power
Supply
6-48V DC
V+
V-
DIO Connector
DI_COM (Pin 9)
DI (Pin 1-8)
Source Mode
(PNP)
Power
Supply
6-48V DC
V+
V-
DIO Connector
DI_COM (Pin 9)
DI (Pin 1-8)
DO reference circuit :
Sink Mode
(NPN, Default)
Device
6-48V DC
V+
V-
DIO Connector
DIO_VDC (Pin 20)
DIO_GND (Pin 10, 19)
IO
DO (Pin 11-18)
Source Mode
(PNP)
Device
6-48V DC
V+
V-
DIO Connector
DIO_VDC (Pin 20)
DIO_GND (Pin 10, 19)
IO
DO (Pin 11-18)
