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HMI Common Problems And Maintenance Methods

Shenzhen ECON Technology Co.,Ltd | Updated: Nov 14, 2017

HMI common problems and maintenance methods



1.Automatic restart

1)Check the power supply voltage to screen whether is stable;

2)Inside the configuration project if there is a macro command,whether there is data overflow from macro command,and divided by 0 conditions;

3)Screen installed environment whether has exceeded EMI standards interference;

4)Screen power module failure,return to factory maintenance;

 

2.Black screen

1)Check power supply voltage to screen whether is normal (normal is 24V ± 15%);

2)Screen installing environment whetherhas exceeded EMI standards interference;

 

3. Communication is not normal

Please check below points if can not connect normally:

1) PLC model selection is correct?

2) communication parameters (baud rate, stop bits, parity, etc.) are the same?

3) the communication cable connection is correct?

 

4.Touch invalid

1)Check the touchpad whether is normal,whether there is rupture;

2)Check the power supply voltage to the screen whether is normal;

3)Screen mounting screws are too tight,so that repress the touchpad that lead to touch invalid;

 

5.Crash

1)Check power supply voltage to the screen whether is normal (normal is 24V ± 15%);

2)Inside configuration project if there is a macro command,macros command whether produce infinite loops;

 

Now many customers like to use a HMI,when select our company servo products or stepper products to use together,we would like to give a best solution.

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