Jetter JVM-407B-HMI, User Manual

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Jetter AG 235
JVM-407B Programming
Register description
The operating system manages the established connections in a list. Module
register MR 0 Selection of a connection is used to copy connection details into
other registers of a register block.
Selecting a connection
Connections are selected by writing values to this register. Read access to
this register is used to display whether the following registers contain
connection details.
Module register properties
Reading values 0 Connection exists
-1 Connection does not exist
Module register properties
Writing values 0 Address the first connection in the list
> 0 Address the next connection in the list
< 0 Address the previous connection in the list
Type of connection
The value in this register shows whether the connection is a client or a server
connection.
Module register properties
Values 1 Client
2 Server
Transport protocol
The value in this register shows whether TCP or UDP is used as transport
protocol.
Module register properties
Values 1 UDP
2 TCP
Introduction
MR 0
MR 1
MR 2