
PLX51-HART-4I / PLX51-HART-4O
♦
HART Input/Output
Installation
Multidrop Field Devices
User Manual
ProSoft Technology, Inc.
Page 18 of 127
As indicated in the diagrams below, the PLX51-HART-4I can support multidrop
devices in parallel with either module-powered or externally-powered configurations.
Figure 2.17 – PLX51-HART-4I - Multidrop Wiring – Parallel – Module Powered
Figure 2.18 – PLX51-HART-4I - Multidrop Wiring – Parallel – Externally Powered
Figure 2.19 – PLX51-HART-4O - Multidrop Wiring – Parallel
Note:
It is not recommended to multidrop 4-wire devices unless all devices make use of isolated power
supplies.
2.6 Ethernet Port
The Ethernet connector should be wired according to industry standards. Refer to the
additional information section in this document for further details.