ICP DAS USA ET-2255U Quick Start Manual page 3

2
Pin Assignments & Wiring Note
 Pin Assignments:
 Wire Connections:
Digital Input/
Readback as 1
Counter
Close to GND
GND
+S5 V
Dry
Contact
DIx
+5 ~ +50 V
DIx 7.5K
Sink
+ -
DI.COM
+5 ~ +50 V
7.5K
DIx
Source
- +
DI.COM
Technical support:
Readback as 0
Open
GND
+S5 V
DIx
OPEN or <1 V
DC
DIx 7.5K
+ -
To other channels
To other channels
DI.COM
OPEN or <1 V
DC
DIx 7.5K
- +
To other channels
To other channels
DI.COM
service@icpdas.com
Digital
Output
Load
Sink
+ -
DC
Load
Source
- +
DC
Readback as 1
ON State
Load
DOx
DO.COM
+ -
Load
DOx
DO.COM
- +
Readback as 0
OFF State
DOx
DO.COM
DOx
DO.COM
P3