Figure 3-3: Mounting Location
A. Control room
B.
Ground
C. Smart Antenna
D. Mast or pipe
E. Infrastructure
3.5.1 Emerson Smart Antenna pipe mount
Procedure
1.
Insert U-bolt around 2-in. pipe/mast, through the saddle, through the L-shaped
bracket, and through the washer plate.
2. Use a ½-in. socket-head wrench to fasten the nuts to the U-bolt.
3. Insert single bolt through L-shaped bracket into the antenna.
4. Use a 5/16 socket-head wrench to fasten bolt to bracket.
3.5.2 Antenna position
The Emerson 781S Smart Antenna is an omni-directional antenna that does not require
specific horizontal positioning for optimal network connectivity. It should be mounted
vertically upright in the center of the network for the most direct device connections to
the Gateway.
3.6 Connecting the Emerson 1410S to the 781S
Smart Antennas
There are two main connection configurations for the Emerson 1410S and 781S Smart
Antennas: with and without intrinsically safe barriers. The hazardous location approval
option of the Emerson 781S determines whether it needs to be installed with barriers. This
connection is integrated in the Gateway electronics and can be selected upon order.
Selecting the IS barrier option will provide IS barriers integrated into the Gateway. This will
Reference Manual Installing the Gateway
00809-0600-4410 May 2020
Emerson 1410S/781S 25
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