Emerson 3051N 用户手册
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Reference Manual
00809-0100-4808, Rev CA
June 2008
Rosemount 3051N
2-6
Wiring Diagrams
(Field Hook-up)
(Field Hook-up)
The following diagrams illustrate wiring loops for a field hook-up with a
HART-based Communicator.
HART-based Communicator.
FIGURE 2-4. Field Hook-up
(4–20 mA Transmitters).
(4–20 mA Transmitters).
Power
Supply
Supply
R
L
≥
250
Ω
Current
Meter
Meter
Signal point may be grounded at any
point or left ungrounded.
point or left ungrounded.
CAUTION
Do not use inductive-based
transient protectors.
Do not use inductive-based
transient protectors.