Emerson Rosemount 3051 Reference Manual page 78

Electrical installation
August 2019
Figure 4-6: Wiring the Transmitter
A. DC power supply
B. R
Procedure
1.
2.
3. Plug and seal unused conduit connection on the transmitter housing to avoid
4.6.4 Ground signal wiring
You must 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 4-7
78
≥ 250 (necessary for HART
L
WARNING
Explosions
Explosions could result in death or serious injury.
In an explosion-proof/flameproof installation, do not remove the transmitter
covers when power is applied to the unit.
Remove the housing cover on terminal compartment side.
Signal wiring supplies all power to the transmitter.
CAUTION
Equipment damage
Power could damage the test diode.
Do not connect the powered signal wiring to the test terminals.
For a 4-20 mA HART output, connect the positive lead to the terminal marked
( pwr/comm+ ) and the negative lead to the terminal marked ( pwr/comm- ).
moisture accumulation on the terminal side.
summarizes signal cable shield grounding.
®
Communication only)
Reference Manual
00809-0100-4007
A
B
Rosemount 3051