Industry Cellular Gateway
1.6.4 Connecting DI/DO Devices
There are a DI and a DO ports together with power terminal block. Please refer to following specification to
connect DI and DO devices.
Mode
Specification
Digital Input
Trigger Voltage (high)
Logic level 1: 5V~30V
Normal Voltage (low)
Logic level 0: 0V~2.0V
Digital Output
Voltage
(Relay Mode)
Depends on external device
maximum voltage is 30V
Maximum Current
1A
Example of Connection Diagram
D
O
-
D
O +
DI
-
DI
+
19