Emerson Micro Motion 4200, Руководство по установке

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Figure 2-7: 9-wire transmitter-to-sensor wiring connections
Note
Connect the 4 drain wires in the 9-wire cable to the ground screw located inside the junction box.
4. Replace the transmitter-to-sensor wiring compartment cover and tighten the
screws to 14-16 in-lbs.
2.4 Ground the meter components
In 9-wire remote installations, the transmitter and sensor are grounded separately.
Prerequisites
CAUTION
Improper grounding could cause inaccurate measurements or meter failure.
DANGER
Failure to comply with requirements for intrinsic safety in a hazardous area could result
in an explosion.
Note
For hazardous area installations in Europe, refer to standard EN 60079-14 or national
standards.
If national standards are not in effect, adhere to the following guidelines for grounding:
• Use copper wire, 14 AWG (2.08 mm
²
) or larger wire size.
Mounting and sensor wiring Installation Manual
April 2019 MMI-20058013
16 Micro Motion
®
4200 2-Wire Transmitter