Emerson Rosemount 644R User Manual

Example
A
B
C
D
DCS
A. Sensor wires
B. Transmitter
C. Shield ground point
D. 4-20 mA loop
Note
Connect shields together, electrically isolated from the transmitter.
5.4.3 Ground the transmitter: option 3
Procedure
1. Ground sensor wiring shield at the sensor if possible.
2. Ensure the sensor wiring and signal wiring shields are electrically
isolated from the transmitter housing.
3. Do not connect the signal wiring shield to the sensor wiring shield.
4. Ground the signal wiring shield at the power supply end.
Quick Start Guide April 2019
22 Rosemount 644H and 644R

Emerson Rosemount 644R Specifications

General

Brand	Emerson
Model	Rosemount 644R
Category	Transmitter
Language	English