Affix Coaxial Cable; Install Coaxial Drip Loop; Apply Coaxial Sealant Moisture Protection; Transient/Lightning Considerations - Emerson Rosemount 3308A Reference Manual

Reference Manual
00809-0100-4308, Rev CA
C.3.3

Affix coaxial cable

Ensure that coaxial cable is securely affixed to the mast to avoid excessive cable movement.
C.3.4

Install coaxial drip loop

Ensure a drip loop is installed not closer than 1 foot (0.3 meters) from the transmitter. It may also be
convenient to affix the drip loop to the lower portion of the mast ensuring that condensation or
rainwater will flow away from the coaxial connections.
Figure C-1. Coaxial Drip Loop
C.3.5

Apply coaxial sealant moisture protection

Utilize the coaxial sealant that is included in the high gain remote mounting kit package. Follow included
instructions for application on the coaxial connection.
C.4

Transient/lightning considerations

C.4.1

Gateway transient protection

When installing, consider including transient / lightning protection (not provided) on interface
connections (Ethernet, Modbus
C.4.2

RF lightning arrestor ground connection

Ensure grounding connection is made on the RF lightning arrestor ground connection point (see
Figure C-2).
Figure C-2. Ground Connection Point
High Gain Remote Antenna Option
PRELIMINARY
®
, and Coaxial connections) to other equipment.
High Gain Remote Antenna Option
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