Wire The Sensor To The Remote Core Processor - Emerson Micro Motion 3700 Installation Manual

Wiring
Figure 3-10: Connect the four wires to the numbered slots
10. Connect the core processor housing internal ground screw if earth ground is required.
Earth ground is required if the core processor cannot be grounded via sensor piping,
and local codes require internal ground connections.
Do not connect shield drain wires to this terminal.
11. Reinstall and tighten the core processor lid.
WARNING!
Do not twist the core processor, as this will damage the sensor.
12. To connect the cable to the transmitter, connect the four wires from the core
processor to the appropriate terminals on the transmitter.
See
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•
3.3

Wire the sensor to the remote core processor

CAUTION!
Do not allow the shield drain wires to contact the sensor junction box, as this can cause meter
errors.
22
Power supply +
(Red wire)
Core processor housing internal ground screw
Table 3-2 and Figure 3-3.
Do not leave bare wires exposed.
Do not ground the shield or drain wires at the transmitter.
Power supply –
(Black wire)
Model 3700 Transmitters or Model 3350 Peripherals - Field Mount
RS-485B
(Green wire)
RS-485A
(White wire)