Specifications

HART Functionality

3-9

Figure 3-1. HART Terminal Access Door

NOTE

The lead set must be used to communicate with a wired

or wireless device.

Figure 3-2 illustrates how to connect the 375 Field

Communicator to a HART loop.

Figure 3-2. Connecting to a HART Loop

HART Terminal Markings

HART compatible

device

Current

meter

RL≥250Ω

Power

supply