A.2 Isolated DIO Signal Circuit
DI Reference Circuit :
Sink Mode (NPN)
Source Mode (PNP)
DO Reference Circuit :
Sink Mode
(NPN, Default)
Source Mode
(PNP)
©Vecow EVS-1000/1100 User Manual
Power
Supply
V+
6-48V DC
V-
Power
Supply
V+
6-48V DC
V-
Device
6-48V DC
V+
IO
V-
Device
6-48V DC
V+
IO
V-
DIO Connector
DI_COM (Pin 9)
DI (Pin1-8)
DIO Connector
DI_COM (Pin 9)
DI (Pin1-8)
DIO Connector
DIO_VDC (Pin 20)
DO (Pin11-18)
DIO_GND (Pin10,19)
DIO Connector
DIO_VDC (Pin 20)
DO (Pin11-18)
DIO_GND (Pin10,19)
Appendix A
86