Emerson 1410S Reference Manual page 26

Installing the Gateway
September 2020
provide intrinsic safety and approval for Emerson 781S installation in Div 1/Zone 0 areas.
For more information on product approvals, see
The Gateway enclosure acts as a junction box for wiring connections. The enclosure has
five conduit entries for power and communications wiring. Do not run communication
near heavy electrical equipment.
Install the included conduit plugs in any unused conduit openings. For NEMA
requirements, use thread seal (PTFE) tape or paste on male threads to provide a watertight
seal.
3.5.1 Emerson 1410S grounding
The DIN-rail mounted Emerson 1410S1 Gateway does not require an external ground
because the back DIN mounting plate is already grounded.
The rugged modular Emerson 1410S2 Gateway enclosure case should always be grounded
in accordance with national and local electrical codes. The most effective grounding
method is a direct connection to earth ground with minimal impedance. Ground the
Gateway by connecting the external grounding lug to earth ground. The connection
should be 1Ω or less. The external ground plug is located on the left side of the Gateway
enclosure and is identified by the following symbol:
3.5.2 Ethernet
The Gateway is equipped with two 10/100BaseTX Ethernet communications ports (see
Emerson 781S
interface and to communicate using other available protocols.
The primary Ethernet port (Ethernet 1) is used to connect to the host system or other
application systems. The secondary Ethernet port (Ethernet 2) can be used as a backup
connection or a maintenance port for local access to the Gateway.
26
installation). These connections can be used to access the Gateway's web
Reference Manual
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Reference data.
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