11/19/2022 0 Comments Cnc screen display function![]() Second, this key will clear the look-ahead buffer and stop execution of the program. First, while editing CNC programs, this key will return the cursor to the beginning of the program. On most controls, this button usually serves three basic functions. These keys allow program entry and modification. The most common example is during the verification of a new program. There are many times when a program stored in the control's memory must be altered. Cursor control keys (usually in the form of arrows) allow the operator to position the cursor to the desired location on the display screen. It is at the current position of the cursor that data will be entered. The prompt cursor usually appears as a blinking square or underlined character. The display screen of the CNC control will often show a prompt cursor that indicates the current entry position. Examples of when this key is pressed include entering offsets and setting parameters. This key is pressed to actually enter data. Normally located close to the letter keypad, most CNC controls have number keys positioned in much the same way as on the keypad of an electronic calculator. On others, the full character set (A through Z) is available. Some CNC control panels allow only those alpha keys (N, G, X, and so on) needed for CNC programming on the keyboard. This keypad allows alphabetical character entry. Along with the cursor control buttons, the operator can use this button to find and change offsets in memory. This display screen selector button allows the user to display and manipulate the tool offsets. ![]() This key is pressed when editing CNC programs and when monitoring programs in automatic operation. ![]() This display screen selector button allows the operator to monitor the active program in the control's memory. In this mode, the display screen shows pertinent information about where the machine is currently positioned. ![]() This selector button allows the operator to look at the machine's position display. They allow the operator to select which function of the display screen he or she wants to view. You can think of these keys as like the channel selector on a television set. Machine power is usually labelled as hydraulic on or machine ready. Once the control is on, then the machine power can be turned on. The control panel power button must be pressed first, and activates the control screen and control panel. To avoid surges, most CNC machines have at least two different power buttons, one for power to the control and another for power to the machine tool itself. ![]()
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