c) Enter current value representing low alarm current.
d) Verify that analog output current is correct.
e) Click
Abort
to end loop test.
5. Enable write protection.
a) Select
Configure
→
Manual Setup
→
Device Setup
→
Security
.
b) Click
Write Protect
and follow the instructions.
6. Perform High Level Supervision test.
a) Select
Configure
→
Alert Setup
→
Level Supervision
.
b) Select
Start/Stop Test Mode
.
c) Verify that the output from the device corresponds to the alarm limit in the
host system.
d) End test mode by clicking
Start/Stop Test Mode
.
The device will automatically exit the test mode after 30 minutes (default).
7. Inspect the transmitter for any leaks, visible damage, or contamination.
8. Remove the bypass and otherwise restore normal operation.
For more information on the High Level Supervision, refer to Rosemount 5300 Level
Transmitter High Level Supervision
.
For troubleshooting the transmitter, see
.
8.7.7
Suggested comprehensive, fully remote proof-test using
reference reflector (High Level Supervision)
Suggested comprehensive, fully remote proof-test using
reference reflector (High Level Supervision) with Rosemount
Radar Master
The suggested proof-test described below will detect 86% 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.
Safety Instrumented Systems (4-20 mA only)
Reference Manual
April 2019
00809-0100-4530
262
Rosemount 5300 Level Transmitter
Содержание Rosemount 5300 Series
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Страница 244: ...Service and troubleshooting Reference Manual April 2019 00809 0100 4530 244 Rosemount 5300 Level Transmitter ...
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