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©Vecow ECS-9700/ 9600 GTX1050 User Manual
Appendix A
A.2 Isolated DIO Signal Circuit
DI reference circuit:
Sink Mode (NPN)
V+
V-
Power
Supply
6-48V DC
DI_COM (Pin 9)
DI (Pin1-8)
DIO Connector
Source Mode (PNP)
V+
V-
Power
Supply
6-48V DC
DI_COM (Pin 9)
DI (Pin1-8)
DIO Connector
DO reference circuit:
V+
IO
V-
Device
6-48V DC
DIO_VDC (Pin 20)
DO (Pin
11
-18)
DIO_GND (Pin10,19)
DIO Connector
Source Mode
(PNP)
Sink Mode
(NPN, Default)
V+
IO
V-
Device
6-48V DC
DIO_VDC (Pin 20)
DO (Pin
11
-18)
DIO_GND (Pin10,19)
DIO Connector
