Modbus Tcp Configuration - Emerson Rosemount 2460 Reference Manual

Service and Troubleshooting
March 2017
6.10

Modbus TCP configuration

The Modbus TCP implementation is limited by license. License options are available depending on the
required number of Modbus TCP clients. The Modbus TCP license options are:
Disabled

Single client

Five clients

If Modbus TCP is enabled by license the network configuration has to be set according to user
requirements.
Figure 6-4. Modbus TCP configuration
Table 6-3. Modbus TCP configuration
Menu
Extra Modbus TCP port/Port
number
Max. response time
Max. response time, FC17
Idle time
Interval time
Count
116
Description
If needed, an extra Modbus TCP port may be specified in the range 50000 to
65535.
502 is the default port.
Maximum response time. No response within this time interval is regarded as
communication failure.
Maximum response time for FC17 (device identification).
Time until TCP keep alive starts in case there is no active communication
between the Rosemount 2460 and the host. TCP keep alive sends
transmissions to verify that the idle connection is still active.
Interval for TCP keep alive messages.
Number of lost TCP keep alive messages before it is considered that there is no
connection to the host.
Reference Manual
00809-0100-2460, Rev DB
Service and Troubleshooting