Installation In Sis Application; Commissioning - Emerson Rosemount 644 Reference Manual

Section 7: Safety Instrumented Systems (SIS) Certification
April 2015
Namur Software Revision Number
(1)
SW
(1) Namur Software Revision: Located on the adhesive device
tag.
4.
7.3

Installation in SIS application

Installations are to be performed by qualified personnel. No special installation is required in
addition to the standard installation practices outlined in this document. Always ensure a
proper seal by installing the electronics housing cover(s) so that metal contacts metal.
The loop should be designed so the terminal voltage does not drop below 12 Vdc when the
transmitter output is 24.5 mA.
Environmental and operational limits are available in the 644 Product Data Sheet (document
number 00813-0100-4728). This document can be found at
http://www2.emersonprocess.com/en-US/documentation/Pages/DocSearch.aspx.
7.4

Commissioning

The 644 Safety Certified Transmitter can be commissioned by a person with competent
knowledge of Rosemount temperature transmitters and the configuration device being used.
Refer to
confirm the installation of the correct device drivers (separate drivers required for HART 5 and
HART 7).
To commission the 644 Safety Certified Transmitter using a 375/475 Field Communicator, use
the Table C-1 on page
For more information on the Field Communicator visit
http://www2.emersonprocess.com/en-US/brands/fieldcommunicator/Pages/field
communicators.aspx.
84
You can also identify a certified 644 by its Device Revision which can be found using any
HART compliant communicator.
For the 644, certified device revisions are as follows:
– Device Revision 8.x (HART 5)
– Device Revision 9.x (HART 7)
"System readiness" on page 8
161.
1.1.x
to confirm your system's HART Revision capability and to
Safety Instrumented Systems (SIS) Certification
Reference Manual
00809-0200-4728, Rev RA