Emerson Rosemount 5300 Series - Page 260

8.7.6 Suggested comprehensive proof-test using reference
reflector (High Level Supervision)
Suggested comprehensive proof-test using reference
reflector (High Level Supervision) with Rosemount Radar
Master
The suggested proof-test described below will detect 94% of possible DU failures in the
Rosemount 5300 Level Transmitters.
Prerequisites
This proof-test can only be performed on devices with Verification reflectors (high level
supervision) option code HL1, HL2 or HL3.
Procedure
1. Bypass the safety function and take appropriate action to avoid a false trip.
2. Disable write protection in device (if enabled).
a) Select Tools → Lock/Unlock Configuration Area.
b) Enter password to unlock.
3. Using Loop Test, enter current value (mA) representing high alarm current. Verify
that analog output current is correct using the reference meter.
a) Select Setup → Output → Analog Out 1 and click Loop test.
b) Enter current value representing high alarm current.
c) Click Start to output current.
d) Verify that analog output current is correct.
e) Click Stop to end loop test.
4. Using Loop Test, enter current value (mA) representing low alarm current. Verify
that analog output current is correct using the reference meter.
a) Select Setup → Output → Analog Out 1 and click Loop test.
b) Enter current value representing low alarm current.
c) Click Start to output current.
d) Verify that analog output current is correct.
e) Click Stop to end loop test.
5. Enable write protection.
a) Select Tools → Lock/Unlock Configuration Area.
b) Enter password to lock.
6. Perform High Level Supervision test.
a) Select Setup → Advanced.
Safety Instrumented Systems (4-20 mA only) Reference Manual
April 2019 00809-0100-4530
260 Rosemount 5300 Level Transmitter