Redundancy
Reference Manual
00809-0200-4420, Rev HC
Appendix D: Redundancy
July 2015
69
Appendix D Redundancy
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 69
Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 69
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 70
Mounting and connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 73
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 76
Gateway replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 78
D.1 Overview
Redundancy for the Smart Wireless Gateway increases the availability of the wireless field
network by providing two sets of physical hardware which operate as a single Gateway system.
This section covers setup and installation of a redundant Gateway system. It also covers
diagnostics and integration to help monitor the health of the redundant Gateway system.
Where to mount the respective antennas
Illustration of maximum redundancy including dual switch and UPS
Understanding how the fail over works and experience to expect
How to leverage the multimaster capability for Modbus
®
integrations
D.2 Requirements
D.2.1 Smart Wireless Gateway
Firmware Version 4.3.19 or greater is recommended
RD option for Gateway Redundancy
Static IP Address
Must have matching output protocols (e.g. Modbus or OPC) on each Gateway
D.2.2 Host system
Ethernet connection for Modbus TCP or OPC DA communications
Serial (RS-485) connection for Modbus RTU communications
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