Chapter 8 Operating Instructions
Flexi Classic Gateways
76 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8011834/YT28/2016-03-15
Subject to change without notice
Ethernet TCP/IP Gateway
Once the UE410-EN shall connect to the application, perform the following configuration
steps:
Uncheck the Listen checkbox.
Set the Connect To Mode to Connect Always.
Enter the port number of the application for Connect Port
Set Connect IP Address to the IP Address of the computer the application is running on.
Activate Save in Flash and click Submit to save the selection or continue configuration.
Select Reset Port and click Submit if you would like to completely reset the socket port
configuration. This will force any active TCP/IP connections to close and clear all statis-
tics.
8.4 Data transfer method — how the data are transferred
Whenever the TCP/IP socket connection has been established (either by an application on
a PC or by the UE410-EN itself), there are two possible ways how the data sets can be
transferred:
The application requests the data set(s) per command message (Polling Mode) or
the UE410-EN auto-updates the data sets as per configuration (Auto Update Mode).
For both methods the following structure of messages applies.
8.4.1 General telegram structure
The request/response message (e.g. telegram) is structured as shown below:
WORD
0 1 … … … … … … … … … … … … … n
Command
Parameter(s)
(content depends on type of command)
Seq.
num.
Data
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