Emerson Rosemount 644 Reference Manual page 81

Reference Manual
00809-0200-4728
Grounded thermocouple inputs
Ground the transmitter: option 4
Procedure
1. Ground sensor wiring shield at the sensor.
2. Ensure the sensor wiring and signal wiring shields are electrically isolated from the
3. Do not connect the signal wiring shield to the sensor wiring shield.
4. Ground signal wiring shield at the power supply end.
Emerson.com/Rosemount
transmitter housing.
A
A. Sensor wires
B. Transmitter
C. Shield ground point
D. 4–20 mA loop
Electrical Installation
March 2021
B
C
DCS
D
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