Emerson THUM, Quick Start Manual, Page: 2 / 48

Safety Messages
NOTICE
This guide provides basic guidelines for the Emerson Wireless THUM
™
Adapter. It does not provide
instructions for detailed configuration, diagnostics, maintenance, service, troubleshooting, or
installations. Refer to the THUM Adapter
Reference Manual for more instruction. The manual and this
guide are also available electronically on Emerson.com/Rosemount .
Equipment Damage
During normal operation, or in fault condition, the THUM Adapter will cause a 2.5 V drop in the
connected loop. It is important to ensure that the power supply can provide at least 2.5 V more than
the minimum operating voltage of the wired device to make sure it works properly with the THUM
Adapter installed. To determine the minimum operating voltage for the wired device, review the wired
device operation and installation manual.
NOTICE
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
conditions:
This device may not cause harmful interference.This device must accept any interference received,
including interference that may cause undesired operation.
WARNING
Explosions could result in death or serious injury.
Installation of this transmitter in an explosive environment must be in accordance with the appropriate
local, national, and international standards, codes, and practices. Review the approvals section of this
manual for any restrictions associated with a safe installation.Before connecting a handheld
communicator in an explosive atmosphere, ensure the instruments are installed in accordance with
intrinsically safe or non-incendive field wiring practices.
Electrical shock could cause death or serious injury.
Avoid contact with the leads and terminals. High voltage that may be present on leads can cause
electrical shock.Device must be installed to ensure a minimum antenna separation distance of 8 in. (20
cm) from all persons.
Contents
Wireless considerations................................................................................................................5
Bench top configuration...............................................................................................................7
Physical installation...................................................................................................................... 8
Direct mount................................................................................................................................9
Remote mount...........................................................................................................................10
Wiring diagrams.........................................................................................................................11
Device network configuration.................................................................................................... 27
Quick Start Guide September 2020
2 Emerson.com/Rosemount