Proof testing Proline Promag 300 HART
42 Endress+Hauser
Preparation
Byassing of safety function of process control system, to prevent accidental activation of the
safety function.
‣
Deactivate the locked SIL mode → 28.
7.5.1 Test sequence: Heartbeat Verification
1. Select Heartbeat Verification (standard).
2. Initiate Heartbeat Verification.
3. Verification is performed automatically in the device: see the "Standard verification"
section of the "Special Documentation for Heartbeat Technology" .
Acceptance criteria: External Heartbeat Verification
1. Check whether the result of the verification is Passed or Failed.
The check is completed successfully if the result of the Heartbeat Verification is
Passed.
2. To document the test, print the verification report. Device diagnostics or device status as
proof of testing.
The following systematic errors can be detected:
Buildup in the sensor pipes
7.5.2 Test sequence: Inspection and on-site visual check
At the transmitter, check the correct sealing function of all the electronics compartment cover
seals and cable entries.
7.5.3 Connecting the test
1. Re-activate the locked SIL mode → 21.
2. Deactivate bypassing of safety function of process control system.
3. Document results of proof test in accordance with the safety management guidelines
applicable to the system.
NOTICE
No dangerous, undetected failures can be detected using the test sequences described
(PTC = 0). The influence of systematic errors on the safety function is not fully covered
by the test. Systematic errors can be caused, for example, by medium properties,
operating conditions or buildup.
‣
If one of the test criteria from the test sequences described above is not fulfilled, the device
may no longer be used as part of a protective system.
‣
Take measures to reduce systematic errors. For detailed information on the orientation,
medium properties and operating conditions, see the "Operating Instructions" → 10
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