64
Reference Manual
00809-0200-4728, Rev RA
Section 4: Operation and Maintenance
April 2015
4.
Ground signal wiring shield at the power supply end.
A. Sensor wires
B. Transmitter
C. Shield ground point
Grounded thermocouple inputs
Option 1
1.
Ground sensor wiring shield at the sensor.
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 signal wiring shield at the power supply end.
A. Sensor wires
B. Transmitter
C. Shield ground point
A
B
C
A
B
C
Summary of Contents for Rosemount 644
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