6.1.23
Stream (1-20) RF Deviation
The most recent calibration sequence failed.
Recommended actions
1. Ensure that the calibration gas cylinder isolation valves are open.
2. Ensure that the calibration gas regulators' pressures are set properly and that
the cylinder is not below the set point. If the cylinder is below the set point,
replace it with a full cylinder
3. Verify that the calibration cylinder gas composition value listed on the cylinder
tag or on the certificate of analysis received from supplier matches the
calibration cylinder gas composition value displayed in Rosemount MON2020's
Component Data
table. If there is a mismatch, edit the
Component Data
table to
reflect the correct value. Re-run the calibration sequence.
4. If the calibration is still unsuccessful, contact your Emerson representative.
6.1.24
Energy Value Invalid
For each configured analysis, perform a check of the analyzed energy value of the
calibration gas against the known value as part of the warm start sequence.
The
Energy Value Invalid
alarm is raised to instruct the associated DCS that the analyzer has
failed and all data should be ignored until a successful calibration run has been performed
to verify the analysis of the gas chromatograph (GC).
On completing warm-up, the GC performs a single analysis of the calibration stream.
Using results of the analysis, the GC calculates the energy value and compares it against
the previously entered value stored in the tables.
If the calculated energy value is within the allowable limits set up by the operator, the
Energy Value Invalid
alarm is cleared, and the GC returns to normal operation; otherwise,
the
Energy Value Invalid
alarm remains active.
Recommended actions
1. Ensure that correct calibration gas energy value and limits have been entered in
the
Component Data Table
→
Edit Energy Value
dialog.
2. Ensure the calibration gas bottle is open and not low or empty.
3. Check analyzed concentration results for each individual component versus
calibration gas concentrations in the
Component Data
table.
4. Adjust timed events if necessary.
6.1.25
Calibration Energy Check Fail
After completing a calibration sequence, the gas chromatograph (GC) performs a
calibration gas energy value check.
If the calculated energy value fails the check, the software automatically runs the
calibration again.
Troubleshooting
Reference Manual
June 2022
2-3-9000-744
190
Emerson.com/Rosemount
Summary of Contents for Rosemount 700XA
Page 1: ...Reference Manual 2 3 9000 744 Rev L June 2022 Rosemount 700XA Gas Chromatograph ...
Page 6: ...TxD TD or Sout Transmit data or signal out 6 ...
Page 30: ...Overview Reference Manual June 2022 2 3 9000 744 30 Emerson com Rosemount ...
Page 100: ...Installation and start up Reference Manual June 2022 2 3 9000 744 100 Emerson com Rosemount ...
Page 182: ...Operation and maintenance Reference Manual June 2022 2 3 9000 744 182 Emerson com Rosemount ...
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