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Delta Electronics DOP-A Series User Manual

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Chapter 5  Control Block and Status Block|ScrEdit Software User Manual 
Revision Apr. 30th, 2007, 2007PDD23000002 
 
 
5-3 
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Enable / Disable Communication 
Control the HMI communication. If the user choose the communication cancel times option in 
Communication tab in Configuration dialog box (Fig. 5.1.1), once reach the communication cancel 
times, it will disable HMI communication and set this flag to be ON. Although the communication is 
disabled at this time, it will not show the communication error message in the output window. The user 
can set this flag to be OFF and use it to enable HMI communication. But this flag only can be used to 
enable HMI communication when system cancels HMI communication automatically. It cannot be used 
to turn off HMI communication directly.  
 
Fig. 5.1.1 Communication tab 
„
 
Enable / Disable Back Light 
Control HMI back light. When Bit 1 is set to ON, it will turn off HMI back light. When Bit 1 is set to OFF, 
it will turn on HMI back light.  
„
 
Enable / Disable Buzzer 
Control HMI buzzer. When Bit 2 is set to ON, it will turn off HMI buzzer. When Bit 2 is set to OFF, it will 
turn on HMI buzzer. 
„
 
Clear Control Flag for Alarm Buffer  
It is used to clear alarm buffer. Set Bit 3 to be ON to trigger this control flag. It clears alarm buffer when 
this flag is triggered to ON. This flag needs be set to OFF and then ON if the user wants to trigger again. 
„
 
Clear Control Flag for Alarm Counter  
It is used to clear alarm counter. Set Bit 4 to be ON to trigger this control flag. It clears alarm buffer 
when this flag is triggered. This flag needs to be set to OFF and then ON if the user wants to trigger 
again.