93
Reference Manual
00809-0100-4107, Rev BA
Section 7: Safety Instrumented Systems Requirements
April 2013
Safety Instrumented Systems Requirements
Section 7
Safety Instrumented Systems
Requirements
7.1
Safety Instrumented Systems (SIS) Certification
The safety-critical output of the Rosemount 2051 is provided through a two-wire, 4 - 20 mA
signal representing pressure. The Rosemount 2051 safety certified pressure transmitter is
certified to: Low Demand; Type B.
SIL 2 for random integrity @ HFT=0
SIL 3 for random integrity @ HFT=1
SIL 3 for systematic integrity
7.1.1
Rosemount 2051 safety certified identification
All Rosemount 2051 transmitters must be identified as safety certified before installing into SIS
systems.
To identify a safety certified Rosemount 2051C, Rosemount 2051T, Rosemount 2051L:
1.
Check Namur Software Revision located on the metal device tag. "SW _._._".
2.
Transmitter Output Code "A" ( 4-20 mA HART).
7.1.2
Installation in SIS applications
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.
Environmental and operational limits are available in
Appendix A: Specifications and Reference
Namur Software Revision Number
SW
(1)
1.0.x - 1.4.x
(1)
Namur Software Revision: Located on the
metal device tag