Wiring; Power Supply Wiring; Communication Ports - Advantech ECU-125 Series User Manual

3.1

Wiring

3.1.1

Power Supply Wiring

ECU-125X supports power input ranging from and 10V
Table 3.1: AC/DC Power Input Connector Pin Definition
Function
Power Input
3.1.2

Communication Ports

Figure 3.2 ECU-1251/ECU-1251D/ECU-1252 Serial Ports
Table 3.2: RS-232/485 Serial Ports (Pin Assignments)
Pins
RS-232
RS-485
ECU-125X Series User Manual
Figure 3.1 Power Supply Wiring
Pin Screen Printing
1 +Vs
2 GND
3
1
Rx
Data+
14
to 30V
DC DC
Function Description
PWR V+ DC power input PIN
PWR V- DC power input PIN
GND
2 3
Tx GND
Data- GND
.