Comtrol Modbus TCP Quick Start - Manual (Page 28)

28 - Configuring Read-Only Raw/ASCII Devices DeviceMaster UP Modbus/TCP Quick Start: 2000477 Rev. G
Configuring Read-Only Raw/ASCII Devices
• If your Ethernet TCP/IP device requires
another device to connect to it, configure
the socket port on the DeviceMaster UP to
Connect mode:
- Leave Listen unselected.
- Set Connect To Mode to Connect-Always.
- Set the Connect Port to the socket port
number of your Ethernet device.
- Set the Connect IP Address to the IP
address of your Ethernet device.
Do not enter the IP address of the
DeviceMaster UP or PLC here.
- Set Disconnect Mode to Never.
• If your Ethernet TCP/IP device is
configured to connect to another device,
configure the socket port on the
DeviceMaster UP to Listen mode:
- Select Listen.
- Use the default Listen Port on the
DeviceMaster UP of 8xxx or designate
your own.
- Set Connect To Mode to Never.
- Set Disconnect Mode to Never.
- Configure your Ethernet device to
connect to the DeviceMaster UP at the DeviceMaster UP IP address and Listen Port.
• If you do not know if your device will connect
to another Ethernet device, but do know
your device’s socket port and IP address, you
can do the following to enable both the Listen
and Connect modes:
- Select Listen.
- Use the default Listen Port on the
DeviceMaster UP of 8xxx or designate
your own.
- Set Connect To Mode to Connect-Always.
- Set the Connect Port to the port number
of your Ethernet device.
- Set the Connect IP Address to the IP address of your Ethernet device.
Do not enter the IP address of the DeviceMaster UP or PLC here.
- Set Disconnect Mode to Never.
- Optionally configure your Ethernet device to connect to the DeviceMaster UP at the DeviceMaster
UP IP address and Listen Port.
6. Set up the Message Transfer Settings, by setting the Message Transfer Mode to Data-Stream.
Connect Mode Set Up
Listen Mode Set Up
Listen and Connect Modes Set Up