Cancel Calibration; Restore Ao Factory Calibration - Honeywell 900 User Manual

TIP
• The range of an Analog Output is either 0-20 mA or 4-20 mA. If you are using an
external resistor to convert the current output to a voltage output, you can calibrate
the AO channel with the resistor in place. However, you must still enter the 0 and
100 percent calibration values in milliamps; you cannot enter volts or millivolts.
• AO calibration fails when the value entered by the user is outside of the following
limits:
− For 4 mA dc, the value entered must be between 3.3 and 4.7 mA dc.
− For 20 mA dc, the value entered must be between 19.3 and 20.7 mA dc.

Cancel Calibration

You can stop the calibration process at any time by pressing the Cancel Calibration button. The status goes
to "ready" and the previous calibration is restored.

Restore AO factory calibration

This restores the selected AO channel to its factory calibration settings. Enter the rack, module, and
channel of the AO channel to be restored, then press Restore Factory Calibration. Status will show "Restore
AO Input", then green "Done" or red "Restore AO Failed."
After calibration, return the Controller to Run mode. Use IO Calibration display (page 159) or Controller
Mode button (page 10).
Revision 9
May 2014
900 Control Station User Guide
I/O Calibration
AO Calibration
165