Calibration fails for three primary reasons:
Which are you using (e.g., MCGS Embedded or Pro)?
Look for the Stylus , Touch , or Calibration icon.
: For the best results, use a plastic stylus with a tip radius of at least 1 mm to avoid damaging the resistive screen while ensuring precise target hits. mcgs hmi touch calibration
: Check for high-voltage cables or motors near the HMI that might cause electromagnetic interference. Update Firmware
: Ensure your 24V DC power supply is stable, as fluctuations can cause display distortion or touch lag.
Note: Pressing the ESC key at any time will cancel the process. Best Practices Calibration fails for three primary reasons: Which are
: Wait approximately 30 seconds ; the system should automatically launch the touch screen calibration utility.
Tap the screen once more to exit the utility and boot into the standard engineering or operation interface. 中国工控网 Troubleshooting & Maintenance Recommended Action Drifting Cursor
: If calibration fails after multiple attempts, check the FFC (Flexible Flat Cable) connection between the touch glass and the mainboard for loose seating. : Check for high-voltage cables or motors near
This is the standard user-accessible calibration. It is triggered via a specific script or a system key combination.
Once you have successfully tapped all the points, the system will prompt you to save the new calibration settings. Tap the screen to confirm, and the HMI will restart with its newly aligned touch parameters. Method 2: Calibration via MCGS Embedded Software
Human-Machine Interfaces (HMIs) are critical components in industrial automation, serving as the bridge between operators and programmable logic controllers (PLCs). The accuracy of touch input is paramount for operational safety and efficiency. This paper explores the touch calibration mechanism within the MCGS (Monitor and Control Generated System) environment. It analyzes the conversion between physical screen coordinates and logical display coordinates, details the calibration algorithm, and outlines the practical steps for implementation and troubleshooting in industrial settings.
When designing the project in :
Electromagnetic Interference (EMI) from heavy machinery, VFDs (Variable Frequency Drives), or poorly grounded equipment can disrupt touch signals.