Emerson Rosemount OCX8800A Manual page 97

Manual
00809-0500-4880
6.4.2 Calibrate O
Communicator: HART
If necessary, refer to
Note
To select a menu item, either use Up and Down to scroll to the menu item and
press Right or use the number keypad to select the menu item number.
To return to a preceding menu, press Left.
Procedure
1. From the DIAG/SERVICE menu, select CALIBRATION.
2. From the CALIBRATION menu, select PERFORM CAL.
3. From the PERFORM CAL menu, select CAL METHODS.
4. From the CAL METHODS menu, select the type of calibration desired: O2
5. Remove the transmitter from any automatic control loops to avoid a
6. Set the Calibration screen to the following values. Press OK to continue.
7. From the SELECT ACTION screen, select START/NEXT CALSTEP to continue
8. When the Calibration Status is at the AppO2Low step, switch on O
9. Select START/NEXT CALSTEP to start applying the O
Rosemount OCX8800A
manually using the Field
2
Figure 5-3
Calibration.
In the first Calibration screen, a Loop should be removed from automatic
control warning appears.
potentially dangerous operating condition and press OK.
• OCX: TAG NAME
• STATUS: Idle
• TIME REMAIN: 0s
• O2: 0.4 %, 85.95mV
• OK/NEXT to Select
• ABORT/CANCEL to Exit
calibration, select ABORT CAL to abort calibration, or select EXIT CAL to exit
calibration. Select one item from the list and press ENTER.
• OCX: TAG NAME
• SELECT ACTION
— 1. START/NEXT CALSTEP
— 2. ABORT CAL
— 3. EXIT CAL
Verify the O concentration measured matches the O2 LOW GAS parameter
2
in the Setup window. Press OK when ready.
The time to apply the test gas is specified by the Gas Time.
®
for the HART menu tree.
Calibration
December 2022
low gas.
2
low gas.
2
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