Calibration Wizard parameters (input devices)

Calibration
Wizard
for input devices includes these parameters:
Parameter
Description
Channel
Displays the channel number to which this configuration applies.
Calibrate
Identifies the channels for calibration.
Select the checkbox for the channel that you want to calibrate.
Calibration Range
Shows the value of Calibration Range.
  • 4 mA to 20 mA
    when
    Input Type
    is Current.
  • 0 V to 10 V
    when
    Input Type
    is Voltage.
Calibration Status
Shows the status of the calibration per channel as the calibration occurs.
Calibrate channels in groups
Select to calibrate the channels as a group.
The default is selected for voltage and thermocouple devices and not selected for current and RTD devices.
Calibrate channels in groups
is enabled in Run mode and is only available while online.
Calibrate channels one at a time
Select to calibrate the channels one at a time.
The default is selected for current and RTD devices and not selected for voltage and thermocouple devices.
Calibrate channels one at a time
is enabled in Run mode and is only available while online.
Low/High Reference
Indicates the calibration type.
The low reference is calibrated at a low calibration point and the high reference is calibrated at a high calibration point.
Depending upon the mode of calibration (low or high), you must attach the input source to the device. The device reads this value and performs calibration.
The low reference and high reference input sources are different for each type of device, as shown:
  • Current
    : 4 mA (low) and 20 mA (high)
  • Voltage
    : 0 V (low) and 10 V (high)
  • RTD
    : 100 ohms (low) and 500 ohms (high)
  • Thermocouple (Input)
    : 0 mV (low) and 70 mV (high)
  • Thermocouple (CJ)
    : 1000 ohms (low) and 3000 ohms (high)
Status
Displays the results of the calibration process:
  • OK
    - Indicates that all the channels calibrate successfully.
  • Error
    - Indicates channels fail to calibrate. Investigate the channels with errors, and then select
    Retry
    .
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