3.5 Calibration solenoids
Emerson can provide the transmitter with optional calibration solenoids for
autocalibration. The transmitter's software controls the solenoids, which
automatically switch in the proper calibration gas during the calibration cycle.
3.5.1 Configure the calibration solenoids with the Field
Communicator - HART
®
Procedure
1. Use the Field Communicator to access the HART menu.
2. From the DETAILED SETUP menu, select CAL SETUP.
3. From the CAL SETUP menu, select O
2
CAL PARAMS/COe CAL PARAMS.
4. From the O
2
CAL PARAMS/COe CAL PARAMS, select Solenoids. Select Yes to
enable the solenoids.
3.5.2 Configure the calibration solenoids with the Field
Communicator - FOUNDATION
™
Fieldbus
Procedure
1. Use the Field Communicator to access the Fieldbus menu.
2. From the TRANSDUCER block menu, select O
2
CAL/COE CAL.
3. From the O
2
CAL/COE CAL menu, select O
2
CAL SETUP/COE CAL SETUP.
4. From the O
2
CAL SETUP/COE CAL SETUP menu, select Solenoids. Select
Present to enable the solenoids.
3.5.3
Configure the calibration solenoids with the LOI
Procedure
1. Use the Z pattern to enter the LOI menu tree.
2. From the SYSTEM menu, select Calib Setup.
3. From the Calib Setup menu, select Use Solenoids. Select Yes to enable the
solenoids.
3.6 Blowback feature
The blowback feature blows instrument air back through the center of the
internal filter and out the sample tube of the probe. This removes built up dirt and
particulate from the internal filter, sample line, and any optional in-situ filter on
the end of the sample tube.
The blowback feature is normally used in systems that have heavy particulate in
the process stream. The blowback feature requires the optional blowback
Manual Configuration and start-up
00809-0500-4880 December 2022
Rosemount OCX8800A 59
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