Emerson Rosemount OCX 8800, Инструкция по эксплуатации

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Instruction Manual
IM-106-880C, OI
Section 5:
Calibration
April 2017
Manual O2/COe Calibration using the Field Communicator -
Fieldbus
73
5.5.5 Manual O
2
/COe Calibration using the Field Communicator -
Fieldbus
To perform a manual O
2
/COe calibration using the 375 Field Communicator, use the following
procedure. If necessary, refer to Section 6, Field Communicator , for the Fieldbus menu tree.
NOTE
To select a menu item, either use the up and down arrow keys to scroll to the menu item and
press the right arrow key or use the number keypad to select the menu item number.
To return to a preceding menu, press the left arrow key.
1. To calibrate from Fieldbus, the first step is to set the Transducer Block to Out of Service
Mode (OOS).
2. To set the OOS mode, select Transducer then select Process, followed by select Out of
Service in the Target Mode.
3. From Transducer screen select Methods.
4. Select OCX Calibration from the Methods menu.
5. From the OCX Calibration screen, select Calibrate O2 Sensor for O2 calibration, select
Calibrate Combustibles Sensor for COe calibration, or select Calibrate Both Sensors if
calibrate both sensors is desired.
6. In the calibration screen, a Loop should be removed from automatic control warning
appears. Remove the device from any automatic control loops to avoid a potentially
dangerous operating condition and press OK.
7. The Select Action screen should look like the following. From the Select Action screen,
select Update Display to refresh the calibration status, select Next Calibration Step to
continue calibration, select Abort Calibration to abort calibration or Exit to exit
calibration. Select one item from the list and press OK. The Select Action screen is
static and data will not be automatically refreshed.
• Calibration Step = Idle
• Step Time Remaining = 0 seconds
• O2 Value = 0.40 %
• Combustibles Value = 1000 ppm
– 1. Update Display
– 2. Next Calibration Step
– 3. Abort Calibration/Exit