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Reference Manual
00809-0100-4728, Rev MB
July 2016
Option 3
1. Ground sensor wiring shield at the sensor, if possible.
2. Ensure that 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.
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.
Summary of Contents for Rosemount 644 HART
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Page 16: ...6 Reference Manual 00809 0100 4728 Rev MB Introduction July 2016 Introduction ...
Page 86: ...76 Reference Manual 00809 0100 4728 Rev MB Troubleshooting July 2016 Troubleshooting ...
Page 138: ...128 Reference Manual 00809 0100 4728 Rev MB Index July 2016 Index ...
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