Wiring Connections And Power Up; Figure 7 Stt750 Hart/De Transmitter Operating Ranges - Honeywell STT750 Quick Start Installation Manual

WIRING CONNECTIONS AND POWER UP

Summary
The transmitter is designed to operate in a two-wire power/current loop with loop
resistance and power supply voltage within the HART and DE operating ranges
shown in Figure 7.
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Figure 7 STT750 HART/DE Transmitter Operating Ranges
Loop wiring is connected to the Transmitter by simply attaching the positive (+) and
negative (–) loop wires to the positive (+) and negative (–) terminals on the
Transmitter terminal block in the Electronics Housing shown in Figure 8.
Connect the Loop Power wiring shield to earth ground only at the power supply end.
Note that the Transmitter is not polarity-sensitive.
Quick Start Installation Guide 9