Emerson 20002514 Manuel D’Utilisation
3
Wiring
Topics covered in this chapter:
•
•
3.1
Options for wiring
The wiring procedure you follow depends on which electronics option you have.
for the wiring options for each sensor electronics option.
Wiring procedures by electronics option
Table 3-1:
Electronics option
Wiring procedure
Integral transmitter
No wiring required between sensor and transmitter. See the transmitter
installation manual for wiring the power and signal cable to the transmitter.
installation manual for wiring the power and signal cable to the transmitter.
MVD
™
Direct Connect
™
No transmitter to wire. See the MVD Direct Connect manual for wiring the
power and signal cable between the sensor and the direct host.
power and signal cable between the sensor and the direct host.
Core processor
See
CAUTION!
Make sure the hazardous area specified on the sensor approval tag is suitable for the
environment in which the sensor will be installed. Failure to comply with the requirements for
intrinsic safety in a hazardous area could result in an explosion.
environment in which the sensor will be installed. Failure to comply with the requirements for
intrinsic safety in a hazardous area could result in an explosion.
CAUTION!
Fully close and tighten all housing covers and conduit openings. Improperly sealed housings
can expose electronics to moisture, which can cause measurement error or flowmeter failure.
Inspect and grease all gaskets and O-rings.
can expose electronics to moisture, which can cause measurement error or flowmeter failure.
Inspect and grease all gaskets and O-rings.
3.2
Connect 4-wire cable
Wiring
Installation Manual
5