Delta Electronics Human Machine Interface DOP-A Series - Manual (Page 270)

Chapter 5 Control Block and Status Block|ScrEdit Software User Manual
Revision Apr. 30th, 2007, 2007PDD23000002 5-3
„ 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.