Instruction and Operation Manual
X-CM-QmBS-eng
Part Number: 541B052AHG
June, 2008
Section 6 Wiring FM AN Transmitter
QmBS Sensor / QTA Transmitters
6-2
Figure 6-1 Basic Analog Wiring
Figure 6-2 HART/Analog Single-Loop Wiring
+
–
mA output loop
820
Ω
maximum loop resistance
Frequency receiving device
+
–
00042
Output voltage level is +24 VDC ± 3%
820
Ω
maximum loop resistance
For HART communications:
• 600
Ω
maximum loop resistance
• 250
Ω
minimum loop resistance
+
–
HART-
compatible host
or controller
