Emerson Micro Motion T Series, Installation Manual

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4 Transmitter power and I/O wiring
4.1 Options for wiring
The wiring procedure you follow depends on which electronics option you have.
Table 4-1: Wiring procedures by electronics option
Electronics option Wiring procedure
Integral transmitter The transmitter is already connected to the sensor. No wiring is
required between sensor and transmitter. See the transmitter
installation manual for wiring the power and signal cable to the
transmitter.
MVD
™
Direct Connect
™
There is no transmitter to wire. See the Micro Motion MVD Direct
Connect Meters manual for wiring the power and signal cable
between the sensor and the direct host.
Integral core processor with
remote transmitter The core processor is already connected to the sensor. Connect a
4-wire cable between the core processor and transmitter. Refer
to
Connect 4-wire cable .
Remote core processor
attached to transmitter Connect a 9-wire cable between the sensor and the transmitter/
core processor. Refer to
Connect the 9-wire cable , as well as the
Micro Motion Micro Motion 9-Wire Flowmeter Cable Preparation
and Installation Guide .
Remote core processor
separate from transmitter –
double-hop
• Connect a 4-wire cable between the core processor and
transmitter. Refer to
Connect 4-wire cable .
• Connect a 9-wire cable between the sensor and the core
processor. Refer to
Connect the 9-wire cable , as well as the
Micro Motion Micro Motion 9-Wire Flowmeter Cable Preparation
and Installation Guide
WARNING
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
resulting in injury or death.
NOTICE
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.
Installation Manual Transmitter power and I/O wiring
20002172 February 2020
Installation Manual 17