Internal Firewall; Modbus; Communication Settings - Emerson 1410 Reference Manual

Reference Manual
00809-0200-4410, Rev BC
5.3

Internal firewall

The Gateway supports an internal firewall that inspects both incoming and outgoing data packets. TCP
ports for communication protocols are user configurable, including user specified port numbers and the
ability to disable ports.
The Gateway's internal firewall settings can be found by navigating to System Settings>
Protocols>Protocols And Ports.
Figure 5-3. Security Protocols Page (Internal Firewall)
5.4

Modbus

The Gateway supports both Modbus RTU over the RS-485 serial port and Modbus TCP over Ethernet. It
functions as a sub device on the Modbus network and must be polled by a Modbus master or client (host
system).
5.4.1

Communication settings

It is import that the Modbus communication settings in the Gateway match the settings in the Modbus
master or client. Refer to host system documentation for more information on how to configure these
settings. The Modbus communication settings can be found by navigating to System Settings>Proto-
cols>Modbus.
Host Integration
Host Integration
July 2017
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