Rosemount Smart Wireless Gateway Spécifications Page 39

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31
Reference Manual
00809-0200-4420, Rev HB
Section 5: Host Integration
January 2015
Host Integration
Section 5 Host Integration
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 31
Network architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 31
Internal firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 35
Modbus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 36
Ethernet/IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 41
5.1 Overview
This section describes how to connect the Gateway to a host system and integrate data
gathered from the field device network. It covers network architectures, security, and data
mapping.
In accordance with Emerson WirelessHART
®
security guidelines, the Emerson Gateway should
be connected to the host system via a LAN (Local Area Network) and not a WAN (Wide Area
Network).
5.2 Network architecture
Physical connection types are important when determining the network architecture and what
protocols can be used for integration. Ethernet is the primary physical connection type and
RS-485 is available an optional connection type. The following network architecture diagrams
will help when integrating data from the Gateway into the host system.
Ethernet
An Ethernet connection supports Modbus
®
TCP, OPC, AMS
®
Wireless Configurator,
Ethernet/IP
, and HART
®
TCP protocols. Using this connection type, the Gateway is wired
directly to a control network (see Figure 5-1) using a network switch, router, or hub. There are
often two networks for redundancy purposes.
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