41. How to implement pop-up sub-windows
This is achieved using the OpenSubWnd() function, which is described in the MCGS help document.
42. After power failure, save it as the initial value of the next boot
Use it in the script of the exit strategy! SaveSingleDataInit() and ! The FlushDataInitValueToDisk() function saves the last value as the initial value for the next boot.
43. How to set the project run period
(1) The general version is set in the tool-project safety management-project operation period setting in the configuration environment;
(2) The practice of the operation period of the embedded version of the project:
A uses the StrComp() function to compare whether the stop time is the same as the current time, assigning 1 to a variable (using a round-robin strategy);
When B is the same, i.e., the variable is equal to 1, use ! SetDevice stops the device from working, creates a variable that triggers the pop-up password input window, and assigns the variable to 1 (using the event policy);
C When the variable that triggers the input password window is equal to 1, and the input password window pops up (you need to do it yourself), the password window will be entered (using the startup policy);
D Using StrComp, compare whether the password entered is the same as the password set, and when it is the same, execute! SetDevice function to start the device and clear the running time and variables that trigger the password input window.
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merit
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