MODBUS-GW Installation and Operation Manual —
P/N LS10015-000NF-E:C2 4/30/2019
11
System Architecture
Product Overview
1.8.1 Redundancy
A redundant gateway is a second gateway which communicates with a Modbus client. The second gateway must have a separate and
unique IP address from the first gateway. An example system is shown in
.
Figure 1.3 Redundant Modbus Gateways
FACP
FACP
NFN Network
FACP
IP Network
Modbus Client
MODBUS-GW
Configuration Web
Page
HS-NCM
OR
NCM
HS-NCM
OR
NCM
MODBUS-GW
MODBUS-GW
Ethernet
Ethernet
Ethernet
Ethernet