Emerson Rosemount 2051 Reference Manual page 74

Electrical Installation
September 2020
3. Plug and seal unused conduit connection on the transmitter housing to avoid
4.6.4 Grounding the transmitter
Signal cable shield grounding
Signal cable shield grounding is summarized in
unused shield drain wire must be trimmed and insulated, ensuring the signal cable shield
and drain wire do not come in contact with the transmitter case. See
groundingTransmitter case grounding
Follow the steps below to correctly ground the signal cable shield.
Procedure
1. Remove the field terminals housing cover.
2. Connect the signal wire pair at the field terminals as indicated in
3. At the field terminals, the cable shield and shield drain wire should be trimmed
4. Reattach the field terminals housing cover; cover must be fully engaged to comply
5. At terminations outside the transmitter housing, the cable shield drain wire should
6. Properly terminate the signal cable shield drain wire to an earth ground at or near
74
a) For 1–5 Vdc HART Output, connect the positive lead to (PWR +) and the
negative to the (PWR–). Do not connect the powered signal wiring to the test
terminals. Power could damage the test diode.
moisture accumulation in the terminal side.
close and insulated from transmitter housing.
with explosion proof requirements.
be continuously connected.
a) Prior to the termination point, any exposed shield drain wire should be
insulated as shown in
the power supply.
Figure 4-8. The signal cable shield and
for instructions on grounding the transmitter case.
Figure 4-7 (B).
Rosemount 2051 Pressure Transmitter
Reference Manual
00809-0100-4107
Transmitter case
Figure 4-6.