Modbus/Tcp Configuration Page - Comtrol DeviceMaster EtherNet/IP-Modbus EIP-MOD User Manual

Modbus/TCP Configuration Page

5.3. Modbus/TCP Configuration Page
Access the Modbus/TCP Interface Configuration page by clicking Modbus | Modbus/TCP Configuration. The
following table provides information about each configuration setting.
Modbus TCP/IP Port 1
Enabled
TCP/IP Port
Modbus TCP/IP Ports 2 to 8
Enabled
(Default: No)
TCP/IP Port
Default Port 2 = 503
Default Port 3 = 505
Default Port 4 = 506
Default Port 5 = 507
Default Port 6 = 508
Default Port 7 = 509
Default Port 8 = 510
56 - Chapter 5. Modbus Menus
Modbus/TCP Configuration Page
Always enabled. Cannot be disabled.
The standard Modbus TCP/IP port of 502. This port is always enabled.
If selected, the DeviceMaster EIP-MOD will listen for Modbus/TCP requests on
the configured TCP/IP port.
The specified TCP/IP port(1-65535) that the DeviceMaster EIP-MOD will listen
for Modbus/TCP requests on.
Default ports are the first seven unassigned ports, as determined by the Internet
Assigned Numbers Authority after the standard Modbus/TCP port of 502.
Note: TCP/IP ports 0, 22, 23, 80, 443, 4606 and 4607 are not allowed. Enabling
TCP/IP ports other than the defaults may cause disruptions on your
network. Please verify any configuration changes with your IT department.
DeviceMaster EIP-MOD User Guide: 2000664 Rev. A