Comtrol Modbus TCP User Guide - Manual (Page 54)

54 - Chapter 3. Embedded Configuration Pages DeviceMaster UP Modbus/TCP User Guide: 2000447 Rev. I
Application TCP Connection Configuration
3.6.4. Application TCP Connection Configuration
Use this area to configure application TCP connection settings for a serial or socket port using the
appropriate Edit Port Configuration page.
Note: (Raw-Data Only) displays in the serial version of the Application TCP Connection Configuration area.
Application TCP Connection Configuration (Serial or Socket Port)
Enable
Enables/disables the Application Socket Interface. Enabling this function allows an
application to be connected to the device serial/socket port.
If both the PLC
and application
are connected
to the device
serial/socket
port, both can
transmit to
and receive
data from the
serial/socket
port. However,
the PLC and
application
cannot
communicate
directly to each other.
Listen
Enabling this setting allows the application to connect to the DeviceMaster UP via an
Ethernet TCP/IP socket.
• Not selected - Disables listening and the DeviceMaster UP will not accept connection
attempts.
• Selected - Enables listening and the DeviceMaster UP will accept connection
attempts from the specified Listen Port.
Listen Port
The socket port number on the DeviceMaster UP the application will connect to if the
Application Listen Enable is selected.