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Reference Manual
00809-0500-4410
9
Appendix C
9.1
Overview
Redundancy for the Emerson
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
9.2
Requirements
Gateway
•
Static IP Address
•
Must have matching output protocols (e.g. Modbus or OPC) on each Gateway
Host system
•
Ethernet connection for Modbus TCP or OPC DA communications
•
Serial (RS-485) connection for Modbus RTU communications
9.3
Setup
When configuring redundant Gateways, it is only necessary to configure one system. The
other Gateway will be configured automatically when it is paired with the first Gateway.
Both networks will need to be powered for this process.
Choose one side of the Gateway as the starter Gateway. For the purposes of this
document, it will be referred to as Gateway A and be the left side of the Gateway. The right
side of the Gateway will be referred to as Gateway B.
To configure redundancy system settings:
1. Connect a PC/laptop to the Ethernet 1 port on Gateway A.
2. Log in using the admin user account.
3. Navigate to System Settings>Gateway>Features and make sure Redundancy is
4. Navigate to System Settings>Gateway>Redundancy.
Emerson.com/Rosemount
™
Wireless 1410H Gateway (Gateway) increases the
selected. If it is not, select it and then Save. A restart apps will also be required.
Appendix C
February 2019
®
integrations
55
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