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September 2020
1
Wireless considerations
1.1
Power up sequence
The Emerson Wireless Field Link and wireless I/O should be installed and
functioning properly before the power modules are installed in any wireless
field devices. Wireless field devices should also be powered up in order of
proximity from the Field Link beginning with the closest. This will result in a
simpler and faster network installation.
1.2
Mounting location
The Field Link should be mounted in a location that allows convenient access
to the host system network (wireless I/O) as well as the wireless field device
network.
Find a location where the Field Link has optimal wireless performance.
Ideally this will be 15 to 25 ft. (4,6 to 7,6 m) above the ground or 6 ft. (2 m)
above obstructions or major infrastructure.
Figure 1-1: Mounting Location
A
A
Control room
B
Ground
C
Field link
1.3
Antenna position
The antenna should be positioned vertically, either straight up or straight
down, and should be approximately 3 ft. (1 m) from any large structure,
Quick Start Guide
C
B
D
6-ft. (2 m)
15- to 25-ft.
(4,6 to 7,6 m)
D
Mast or pipe
E
Infrastructure
Quick Start Guide
E
3
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