Start device calibration

Calibrate device inputs and outputs to obtain optimum accuracy. The application calibration screens guide you through the entire process.
Prerequisites
  • Verify the controller is online and in Program mode.
  • Stop the process your output device is controlling or your input device is tracking. Control may be impaired during the calibration process.
  • Disconnect input signals and connect test signals. Any control that depends on the normal input signals does not have them during the calibration process.
  • Disconnect output signals and connect a suitable measuring instrument. Any control that depends on the outputs from this device does not have them during the calibration process.
  • 1756-OF4 and 1756-OF8 devices can be calibrated in multiple input ranges. Select the appropriate
    Output Range
     or
    Input Range
     in the configuration views.
    IMPORTANT:
    • Entering calibration causes all input channels to freeze at their current values and fault. Control may be impaired.
    • Calibration interacts directly with the device overruling any controller that may be trying to use the device.
    • Control may be impaired by the calibration process.
    • When you begin the calibration process, if a real-time connection is currently open, all device points fault.
To start device calibration
  1. On the tab for the device, select
    Calibration
    .
  2. In the
    Calibration
     view, select
    Start Calibration
    .
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