
PLX51-HART-4I / PLX51-HART-4O
♦
HART Input/Output
Installation
Multidrop Field Devices
User Manual
ProSoft Technology, Inc.
Page 15 of 127
The PLX51-HART-4I module supports 2-wire (loop-powered) and 4-wire devices in
various configurations as illustrated below.
Figure 2.10 – Channel Connection - 2-wire – Module Powered
Figure 2.11 – Channel Connection - 4-wire – Device Powered
Figure 2.12 – Channel Connection - 2-wire – Externally Powered