ABB AC500 PLC - 1.1.2.2.2 Ethernet Networking Interface

Serial
Interface
Pin Signal Interface Description
1 FE - Functional earth
2 TxD RS-232 Transmit data Output
3 RxD/TxD-P RS-485 Receive/Transmit Positive
4 RTS RS-232 Request to send Output
5 SGND Signal ground 0 V supply out
6 +5 V - 5 V supply out
7 RxD RS-232 Receive data Input
8 RxD/TxD-N RS-485 Receive/Transmit Negative
9 CTS RS-232 Clear to send Input
Shield FE - Functional earth
NOTICE!
Risk of corrosion!
Unused connectors and slots may corrode if XC devices are used in salt-mist
environments.
Protect unused connectors and slots with TA535 protective caps for XC devices
TA535 Ä Chapter 1.8.4.6 “TA535 - Protective Caps for XC Devices”
on page 1172.
1.1.2.2.2 Ethernet Networking Interface
This interface is the connection to the internal Ethernet communication module of the processor
modules.
Applications:
● TCP/IP for PC/Automation Builder (programming)
● UDP: communication via function blocks
● Modbus on TCP/IP, master and slave
Interface Pin Signal Description
or
1 TxD+ Transmit Data +
2 TxD- Transmit Data -
3 RxD+ Receive Data +
4 NU Not used
5 NU Not used
6 RxD- Receive Data -
7 NU Not used
8 NU Not used
Shield Cable shield Functional earth
See supported protocols and used Ethernet ports for AC500 V2 prod-
ucts:Ethernet Protocols and Ports.
See communication via Modbus for AC500 V2 products: Modbus TCP/IP.
See communication via Modbus for AC500 V2 products: Modbus RTU.
Pin assignment
Pin assignment
Device Specifications
Terminal Bases (AC500 Standard) > TF501-CMS and TF521-CMS - Function Module Terminal Bases
2019/04/173ADR010121, 13, en_US18