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Applications > Buttons

The Soft-GRAF HMI supports various "button" object to allow the operator to input all kinds of data to the PAC or control the PAC. The "g_ToPage" object is the most simple button, which is used for switching the Soft-GRAF HMI page. Moreover, there are many kinds of buttons used for different purposes. Buttons are generally displayed by a text on it. Designers can change it to display as a picture (JPG, BMP and so on), so that you can make it more friendly.

Operation Permission of the Button

Most of the buttons can set up a level value and its default value is 0. Designers can change this value from 1 to 9. The higher number means the user is required higher level to use this button. To be a higher level user, you must press the "g_Login" button to login and then input a password that used for distinguishing the level 1 to 9. Without the login, the user’s level is 0. Users can use each button only when the login level is?greater than or equal to?the button’s level. Additionally for important buttons, designers can set up it to input a password before using them by checking the "Identify Password" function. This is to provide a strict security protect.

Button Types

Besides the "g_ToPage" (switch page), "g_Login" (Login) and "g_Logout" (Logout) button as mentioned previously, there are also the "g_B_Inp" (Boolean input), "g_WD_Inp, g_N_Inp” (integer input), “g_F_Inp" (real input), g_M_Inp (message input) and numerical input buttons. By the name, you may know that it’s used for Boolean, integer, real or message input. In addition to displaying these buttons as texts or graphics, they can also be displayed as a value on the button. The integer and real input button may set up the limitation of a maximum and minimum value. If users input a value beyond the limitation, it will pop-up a warning window to tell you the value is incorrect and then try it again.

Data logger button
The most special is the data logger button - "g_Logger1" which is used to record data. It can record up to 50 data (Tags). For more detailed description about the "g_Logger1", please refer to "Data Logging and FTP-Upload".

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