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2. CONFIGURATION
8/2022
2. CONFIGURATION
2.1 OVERVIEW
To configure on the bench, required equipment includes a power supply and Field Communicator or AMS
Device Manager. Connect the equipment as shown in Figure 2.2. Connect HART Communication leads at any
termination point in the signal loop. To ensure successful HART Communication, a resistance of at least 250
ohms must be present between the device and the power supply. Connect the Field Communicator leads to
the clips behind the power (+,–) terminals on the front of the device.
2.2 CONFIGURATION USING AMS TREx
The AMS Trex Field Communicator is a handheld device that exchanges information with the transmitter
from the control room, the instrument site, or any wiring termination point in the loop. To facilitate
communication, connect the Field Communicator, shown in this manual, in parallel with the transmitter
(see
Figure
2.2). Use the loop connection ports on the rear panel of the Field Communicator. The
connections are non-polarized. Before connecting the Field Communicator in an explosive atmosphere
make sure the instruments in the loop are installed in accordance with intrinsically safe or non-incendive
field wiring practices. As stated in System readiness, it is critical that the latest DDs are loaded into the Field
Communicator for optimal transmitter performance. Visit
Turn on the Field Communicator by pressing the ON/OFF key. The Field Communicator will search for a HART-
compatible device and indicate when the connection is made. If the Field Communicator fails to connect, it
indicates that no device was found. If this occurs, refer to Troubleshooting.
Figure 2.2: Field Communicator Connections
Page: 14
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