Emerson Rosemount 3051 Manual page 72

Electrical installation
March 2023
3. Plug and seal unused conduit connections on the transmitter housing to avoid
4.6.4 Ground signal cable shield
Trim and insulate the signal cable shield and unused shield drain wire to ensure that the
signal cable shield and drain wire do not come in contact with the transmitter case.
Figure 4-6
Figure 4-6: Wiring pair and ground
A. Insulate shield and shield drain wire.
B. Insulate exposed shield drain wire.
C. Terminate cable shield drain wire to earth ground.
See Grounding transmitter case
Procedure
1. Remove the field terminals housing cover.
2. Connect the signal wire pair at the field terminals as indicated in
3. Reattach the field terminals housing cover.
72
NOTICE
Equipment damage
Power could damage the test diode.
Do not connect the powered signal wiring to the test terminals.
moisture accumulation on the terminal side.
summarizes signal cable shield grounding.
DP
C
Ensure the cable shield is:
• Trimmed close and insulated from touching the transmitter housing.
• Continuously connected to the termination point.
• Connected to a good earth ground at the power supply end.
The cover must be fully engaged to comply with explosion-proof requirements.
At terminations outside the transmitter housing, verify the cable shield drain wire is
continuously connected.
A
B
for instructions on grounding the transmitter case.
Manual
00809-0100-4007
Figure 4-5.
Rosemount 3051