Reference Manual
00809-0600-4026, Rev BA
December 2011
Rosemount Process Radar
2-18
Safety Instrumented
Systems (4-20 mA only)
The following section is applicable to the Rosemount 5300 Prior-Use option
(Special certification: QS). Additional Safety Instrumented Systems
information is available in the Rosemount 5300 Series Reference Manual
(Document No. 00809-0100-4530). The manual is available electronically at
www.rosemount.com or by contacting an Emerson Process Management
representative.
To identify a 5300 Prior-Use option transmitter:
• Verify the QS option code in the model code, on the label affixed to the
outside of the transmitter head or
• Field Communicator: Fast Key Sequence [1, 7, 8]. Verify that the
Prior-Use safety device is ON or
• Open Rosemount Radar Master, right click on the device, and select
Properties. Verify that the Safety Device (QS Option) is present
Installation
The device should be installed and configured as a level sensing device per
manufacturer’s instructions. The materials must be compatible with process
conditions and process fluids. No special installation is required in addition to
the standard installation practices outlined in this document.
Environmental limits are available in the Rosemount 5300 Series Reference
Manual (Document No. 00809-0100-4530), Appendix A: Reference Data.
The loop must be designed so the terminal voltage does not drop below the
minimum input voltage, see values in Table 4, when the transmitter output is
22.5 mA.
Table 4. Minimum input voltage (U
i
) at different currents
Configuration
Use a HART-compliant master, such as Rosemount Radar Master or Field
Communicator to communicate with and verify configuration of the
Rosemount 5300. A full review of configuration methods is available in the
Rosemount 5300 Series Reference Manual (Document No.
00809-0100-4530).
NOTE
The Rosemount 5300 Series transmitter is not safety-rated during
maintenance work, configuration changes, multidrop, loop test, or other
activity that affects the Safety Function. Alternative means should be used to
ensure process safety during such activities.
Hazardous
approval
Current
3.60 mA 3.75 mA 21.75 mA 22.50 mA
Minimum input voltage (U
I
)
Non-Hazardous
Installations and
Intrinsically Safe
Installations
16 Vdc 16 Vdc 11 Vdc 11 Vdc
Explosion-proof /
Flameproof
Installations
20 Vdc 20 Vdc 15.5 Vdc 15.5 Vdc
(78 paginas)
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