9-3
Figure 9-3 HART Multidrop Wiring with SMART FAMILY
™
Transmitters and a Configuration Tool
9.2.2 Frequency Output Wiring
Figure 9-4 shows an example of proper wiring for the frequency output on the QTA DIN AN
transmitter.
Figure 9-4 Basic Frequency Output Wiring
ProLink II v2.x,
HART Communicator, or
AMS software
600
Ω
maximum resistance
250
Ω
minimum resistancee
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
QTA DIN AN
transmitter
000042
Counter
Output voltage level is +15 VDC ±3%
with high resistance load.
Note: Refer to Figure 9-5 for output voltage
versus load resistance.
+
–
Instruction and Operation Manual
X-CM-QmBS-eng
Part Number: 541B052AHG
June, 2008
Section 9 I/O Wiring DIN AN Transmitter
QmBS Sensor / QTA Transmitters