ABB AC500 V3 - Assignment of the Ethernet ports

Fig. 148: Connection of analog output loads (current)
The following measuring ranges can be configured Ä Chapter 1.7.4.1.7 “Parameterization”
on page 749 and Ä Chapter 1.7.4.1.9 “Measuring ranges” on page 761:
Current 0...20 mA Load 0...500 W 1 channel used
Current 4...20 mA Load 0...500 W 1 channel used
The function of the LEDs is described under Diagnosis and displays / Displays Ä Chapter
1.7.4.1.8 “Diagnosis and state LEDs” on page 755.
Unused analog outputs can be left open-circuited.
Assignment of the Ethernet ports
The terminal unit for the communication interface module provides two Ethernet interfaces with
the following pin assignment:
Interface PIN Signal Description
1 TxD+ Transmit data +
2 TxD- Transmit data -
3 RxD+ Receive data +
4 NC Not connected
5 NC Not connected
6 RxD- Receive data -
7 NC Not connected
Pin assignment
Device specifications
Communication interface modules (S500) > Modbus
2022/01/31 3ADR010278, 3, en_US 747