5 Connect the wiring and power up
Figure 5-1 shows wiring connections necessary to power a
Rosemount 3051 Transmitter and enable communications with a
communication device.
Figure 5-1: Transmitter wiring diagrams
A. Power supply
B. Ground
C. Resistor
Table 5-1: Power supply and resistance needs by communicator
type
Communicator Power supply Resistor
AMS Device Manager ≥ 16.6 Vdc ≥ 250 Ω
AMS Trex (HART
®
) ≥ 16.6 Vdc ≥ 250 Ω
AMS Trex (HART + pwr) None None
AMS Device
Configurator
Bluetooth
®
App
≥ 10.5 Vdc None
Quick Service buttons ≥ 10.5 Vdc None
Local operator interface
(LOI)
≥ 10.5 Vdc None
Resistance and power requirements vary based on the interface type
used to communicate with the device. See Table 5-1 for specific loop
power and resistance needs.
Quick Start Guide February2024
16 Emerson.com/Rosemount