System Readiness - Emerson Rosemount 644 HART Reference Manual

Temperature transmitter, for product shipped before september 2012
Table of Contents
Configuration
July 2016
Failure to follow these installation guidelines could result in death or serious injury.
Make sure only qualified personnel perform the installation.
Explosions could result in death or serious injury.
Do not remove the connection head cover in explosive atmospheres when the circuit is live.
Before connecting a Field Communicator in an explosive atmosphere, make sure the instruments in
the loop are installed in accordance with intrinsically safe or non-incendive field wiring practices.
Verify the operating atmosphere of the transmitter is consistent with the appropriate hazardous
locations certifications.
All connection head covers must be fully engaged to meet explosion-proof requirements.
Process leaks could result in death or serious injury.
Do not remove the thermowell while in operation.
Install and tighten thermowells and sensors before applying pressure.
Electrical shock could cause death or serious injury.
Use extreme caution when making contact with the leads and terminals.
2.3

System readiness

Confirm HART
If using HART based control or asset management systems, confirm the HART capability of those
systems prior to transmitter installation. Not all systems are capable of communicating with HART
Revision 7 protocol. This transmitter can be configured for either HART Revision 5 or 7.
For instructions on how to change the HART revision of your transmitter, see
Revision" on page
8
®
revision capability
82.
Reference Manual
00809-0100-4728, Rev MB
"Switching HART
Configuration
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