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14 Micro Motion
®
Model 2400S Transmitters
I/O Wiring – Model 2400S Analog Transmitters
Figure 3-3 Basic mA output wiring – External power
Excessive current will damage the transmitter. Do not exceed 30 VDC input. Terminal current must be
less than 500 mA.
Figure 3-4 HART/analog single-loop wiring – External power
Note: See Figure 3-5 for voltage and
resistance values.
VDC
R
load
–
+
+
–
Note: See Figure 3-5 for voltage and resistance values.
VDC
R
load
(250–600 Ohm
resistance)
–
+
+
HART-
compatible host
or controller
–