Instruction manual

Output Wiring
continued
RFT9739 Rack-Mount Transmitter Instruction Manual 53
Output Wiring Startup TroubleshootingBefore You Begin Getting Started Mounting
Power-Supply and
Sensor Wiring
Figure 5-27b. Wiring to pressure transmitter — external power, analog input
Figure 5-27c. Wiring to pressure transmitter — digital communications
Pressure
transmitter
WARNING: Pressure transmitter wiring is
not intrinsically safe
Power
supply
24 VDC 4-20 mA
Optional
loop device(s)
RFT9739
output terminals
Terminal CN2-D14 must be connected directly to the
negative (–) terminal of the external power supply.
Pressure transmitter
SMART only (1150 or 3051)
WARNING: Pressure transmitter wiring is
not intrinsically safe
Power
supply
24 VDC
250 ohm ±5%,
0.5 w
250 ohm ±5%,
0.5 w
RFT9739
output terminals