Name: Advantech ECU-1251 Series
Brand: Advantech
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ECU-1251 Series User Manual 12

3.1 Wiring

3.1.1 Power Supply Wiring

ECU-1251 supports power input ranging from and 10VDC to 30V

1. Remove all power and signal connections.

2. Place the unit heat-sink side down.

3. Remove the screws shown below.

Figure 3.1 Power Supply Wiring

3.1.2 Communication Ports

Figure 3.2 RS-232/485 Serial Ports (COM1~ COM4)

Table 3.1: AC/DC Power Input Connector Pin Definition

Function Pin Screen Printing Function Description

Power Input 1 +Vs PWR V+ DC power input PIN

2 GND PWR V- DC power input PIN

3GND

Table 3.2: RS-232/485 Serial Ports (Pin Assignments)

Pins123

RS-232 Rx Tx GND

RS-485 Data+ Data- GND

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Advantech ECU-1251 Series Specifications

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