Chapter 7 Operating Instructions
Flexi Classic Gateways
54 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8011834/YT28/2016-03-15
Subject to change without notice
Modbus/TCP Ethernet Gateway
7.3 Configuration of the interface to the PLC — how the
data are transferred
The configuration steps in this section specify how the data on the higher-level PLC are
t
ransferred. Different operating modes can be selected to this purpose. The number of
possible connections to the PLC depends on whether the UE410-EN3 is operated as a
master or slave. Depending on the setting, up to 32 PLCs can address the UE410-EN3 at
the same time.
Operating mode of the UE410-EN3 Maximum connections
Rx (To PLC) Transfer Mode: Master
Tx (From PLC) Transfer Mode: Master
Rx and Tx: 1
Rx (To PLC) Transfer Mode: Master
Tx (From PLC) Transfer Mode: Slave
Rx: 1
Tx: 31
Rx (To PLC) Transfer Mode: Slave
Tx (From PLC) Transfer Mode: Master
Rx: 31
Tx: 1
Rx (To PLC) Transfer Mode: Slave
Tx (From PLC) Transfer Mode: Slave
Rx and Tx: 32
Open a web browser on a PC in the network and go to the address of the UE410-EN3.
Click PLC Interface Configuration on the UE410-EN3 homepage. The following web
page is displayed:
The page shows the current settings of the interface to the PLC.
Click Edit to change the settings. The following web page is displayed:
connections
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