Chapter 7 Redundancy - Emerson Machinery Health A6500-CC Com Card Operating Manual

Operating Manual
MHM-97875
7 Redundancy
Note
The redundancy function is available for A6500-CC Com Cards with firmware version 1.2.0
and higher.
Ensure that both A6500-CC Com Cards used for the redundancy have the same firmware
version installed.
Install two A6500-CC Com Cards to establish a system with redundant communication.
See Installation
Figure 7-1
Figure 7-1: Redundancy
A. System Rack Bus
B. Primary Master (Slot 13)
C. Secondary Master (Slot 14)
D. Com Card link
E. Cards
F. Primary Master: Modbus over TCP/IP and OPC UA
G. Primary Master: Modbus RTU
H. Secondary Master: Modbus over TCP/IP and OPC UA
I. Secondary Master: Modbus RTU
MHM-97875, Rev. 5.15
for installation details.
shows the structure of an redundant communication setup.
Redundancy
June 2023
39