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22 Micro Motion
®
Series 3000 MVD Transmitters and Controllers
Digital Communications Setup
Figure 3-8 HART multidrop wiring with SMART FAMILY
™
transmitters and a configuration tool
Figure 3-9 Wiring for pressure or external temperature compensation
ProLink II v2.x,
HART Communicator, or AMS
software
(with HART interface)
600 Ω maximum loop resistance
250 Ω minimum loop resistance
HART-compatible
transmitters
SMART FAMILY
™
transmitters
Note: For optimum HART communication, make
sure the output loop is single-point-grounded to
an instrument-grade ground.
24 VDC loop power
supply required for
HART 4–20 mA
passive transmitters
Series 3000
DC power
supply
Series 3000
device
Primary mA output terminals
Pressure or
temperature
device
+
–
+–
600 Ω maximum loop resistance
250 Ω minimum loop resistance
Resistance as required for your device