Prepare For Proof-Testing - Emerson Rosemount 5300 Safety Manual

Proof tests
September 2020
3.1.1 Proof test interval
The time intervals for proof testing are defined by the SIL verification calculation (subject
to the PFD
appropriate proof test interval for the specific safety function based on equipment's
reliability and required risk reduction for the specific SIF.
The proof tests must be performed more frequently than or as frequently as specified in
the SIL verification calculation, in order to maintain the required safety integrity of the
overall SIF.
3.1.2 Tools required
• HART host/communicator or Rosemount Radar Master
• Current meter
• Safety logic solver
• Independent measuring device (e.g. BPCS level sensor, measuring tape)
3.2

Prepare for proof-testing

3.2.1 Prepare for proof-testing using Rosemount Radar
Master
Note that prior to these tests, inspect the echo curve to ensure that no disturbing echoes
affecting the measurement performance are present.
Procedure
Select Setup → Echo Curve.
3.2.2 Prepare for proof-testing using AMS Device Manager
and handheld communicator
Note that prior to these tests, inspect the echo curve to ensure that no disturbing echoes
affecting the measurement performance are present.
Procedure
Select Service Tools → Echo Tuning → Echo Curve.
18
). The SIL verification calculation is an analytical method to calculate an
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