Ocx 8800 – Emerson ROSEMOUNT OCX 8800 User Manual

Page 61

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Instruction Manual

IM-106-880, Rev 1.0
January 2007

5-7

OCX 8800

5. From the SELECT ACTION screen, select START/NEXT CALSTEP to

continue calibration, select ABORT CAL to abort calibration or EXIT
CAL
to exit calibration. Select one from the list and press ENTER.

OCX: TAG NAME
SELECT ACTION
1. START/NEXT CALSTEP
2. ABORT CAL
3. EXIT CAL

6. When the Calibration Status is at the AppO2Low step, switch on O

2

Low Gas. Verify the O

2

concentration measured matches the O2 LOW

GAS parameter in Setup. Press OK when ready.

7. Select Start/Next Cal Step to start applying the O

2

Low Gas. The time

to apply the test gas is specified by the Gas Time.

8. The Calibration Status should automatically change to FIowO2Low and

then ReadO2Low for a period of time. During this period, if an attempt
is made to go to the next calibration step by pressing OK and selecting
Start/Next Cal Step, you will be prompted with Operator step
command is not accepted at this time
. The Next Cal Step command
is not accepted at this time.

9. When ready, Calibration Status will stop at AppO2Hi. Switch off the O

2

Low Gas and switch on the O

2

High Gas. Verify the O

2

concentration

measured matches the O2 HIGH GAS parameter in Setup. Press OK
when ready.

10. Select Start/Next Cal Step to apply the O

2

High Gas. The time to apply

the test gas is specified by the Gas Time.

11. The Calibration Status should automatically change to FlowO2Hi, then

ReadO2Hi, and then ReadCOeLo for a period of time. During this
period, if an attempt is made to go the next calibration step by pressing
OK and selecting Start/Next Cal Step, you will be prompted with
Operator step command is not accepted at this time. The Next Cal
Step
command is not accepted at this time.

12. When ready, Calibration Status will stop at AppCOeHi. Switch off the O

2

High Gas and switch on the COe Gas. Verify the COe concentration
measured matches the COe TEST GAS parameter in the Setup. Press
OK when ready.

13. Select Start/Next Cal Step to start applying the COe Gas. The time to

apply the test gas is specified by the Gas Time.

14. The Calibration Status should automatically change to FlowCOeHi and

then ReadCOeHi for a period of time. During this period, if an attempt is
made to go the next calibration step by pressing OK and selecting
Start/Next Cal Step, you will be prompted with Operator step
command is not accepted at this time
. The Next Cal Step command
is not accepted at this time.

15. When ready, Calibration Status will stop at STOP GAS. Switch off the

COe gas. Press OK when ready. Select Start/Next Cal Step to start
purging gas. The time to purge gas is specified by Purge Time.

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