ADLINK ND-6067 - Manual (Page 252)

250
7.4.9 Digital Output Connect with Power Loading
<ND-6050,ND-6080>
From
Micro Processor
+Vs
GND
DO n
open
collector
Power
Loading
LED, SSR, Relay etc.
R : current limit resistor
R
External
Power
Supply
7.4.10 Isolated Differential Input
<ND-6052>
To
Micro Processor
DI n-
DI n+ Floating
Digital
Signal
Source
Photo
Coupler
GND
7.4.11 Isolated Single Ended Input
<ND-6052,ND-6080>
To
Micro Processor
DI n+
Digital
Signal
Source
Photo
Coupler
GND