Figure 5-3: RS-485 LAN Architecture
A. Engineering station
B. Primary control network
C. Secondary control network
D. Controller and I/O
E. Serial I/O card
F. RS485 bus
G. Gateway
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.
Operation and Maintenance Reference Manual
September 2020 00809-0200-4420
46 Emerson.com/Rosemount
To Next Page
Loading...
