1.3.6.1.1 Purpose
The communication module provides communication via the Ethernet bus. Ethernet connection
can be established directly to the communication module, an additional switch is not necessary.
The Ethernet communication module is an intelligent 100-base-T-Ethernet communication inter-
face based on the highly integrated netX100 micro-controller. The complete TCP/IP protocol
and the application layers are supported.
The user interface is based on a dual-port memory. The Ethernet communication runs via RJ45
interfaces.
The communication module is configured via the dual-port memory, the diagnosis interface or a
TCP/IP connection by means of a system configurator.
It is not possible to close a RSTP ring by using the two ports of the communica-
tion module.
Applications:
● TCP/IP for PC/ Automation Builder (programming)
● UDP (communication via the Function Blocks ETH_UDP_SEND and ETH_UDP_REC
● Modbus on TCP/IP (Modbus on TCP/IP, client and server)
For use in extreme ambient conditions (e.g. wider temperature and humidity range), a special
XC version of the device is available.
1.3.6.1.2 Electrical Connection
Field Bus Interfaces
The Ethernet communication module has 2 RJ45 interfaces:
Table 26: Pin assignment RJ45 jack:
Interface Pin Signal Description
1 TxD+ Transmit data +
2 TxD- Transmit data -
3 RxD+ Receive data +
4 NC not used
5 NC not used
6 RxD- Receive data -
7 NC not used
8 NC not used
Shield Cable shield Functional earth
For further information regarding wiring and cable types see chapter Ethernet
Ä
Chapter 2.6.4.10 “Ethernet Connection Details” on page 1288.
Communication Modules (AC500 Standard) > Ethernet
2019/04/17 3ADR010121, 13, en_US 121
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