RFT9739 Rack-Mount Transmitter Instruction Manual
105
Replacing Older Transmitters
continued
Step 3
Installing the RFT9739 transmitter
Follow these instructions to mount and wire the new RFT9739
transmitter:
a. Mount the RFT9739 transmitter in accordance with the instructions in
b. Connect power-supply wiring and ground wires to the RFT9739
transmitter in accordance with the instructions in Chapter 4, page 17.
c. Connect the flowmeter and output wiring from the old transmitter to
the appropriate terminals on the RFT9739 transmitter.
• Figure F-1 shows the terminals on a Model RFT9739
• Refer to Figure F-2 and Table F-2 for a Model RE-01
• Refer to Figure F-3 and Table F-3 for a Model RFT9712
• Refer to Figure F-4 and Table F-4 for a Model RFT9729
d. If the sensor has a copper RTD, temperature lead length
compensation is necessary for proper operation.
• Connect the orange and yellow wires at the sensor end, to sensor
terminal 4.
• Alternatively, if the sensor is not easily accessible, and the cable that
connects the sensor and transmitter is 50 feet (15 meters) or less,
install a jumper between RFT9739 transmitter terminals CN1-B6
and CN1-B4.
e. Proceed to Step 4, page 109.
Figure F-1. RFT9739 terminals
WARNING
Hazardous voltage can cause severe injury or death.
Shut off power before disconnecting the transmitter.
Содержание Fisher Rosemount RFT9739
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