Ground The Meter Components - Emerson Micro Motion 4200 Installation Manual

Mounting and sensor wiring
April 2019
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
2.4

Ground the meter components

In 9-wire remote installations, the transmitter and sensor are grounded separately.
Prerequisites
Improper grounding could cause inaccurate measurements or meter failure.
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 mm²) or larger wire size.
16
screws to 14-16 in-lbs.
CAUTION
DANGER
Installation Manual
MMI-20058013
®
Micro Motion 4200 2-Wire Transmitter