Program protect switch: A switch located on the machine control panel that allows the operator to secure current program information. Program edit keys: Keys located on the MDI keypad that allow an operator to alter, insert, or delete data from stored memory. PRGRM: A function key located on the MDI keypad that displays the program screen and blocks of the current part program. Power on: The green button on a CNC control panel that provides power to the control. Power off: The red button on a CNC control panel that shuts off power to the control. POS: A function key located on the MDI keypad that displays the position screen that shows axis locations.

Part program: A series of instructions used by a CNC machine to perform the necessary sequence of operations to machine a specific workpiece. Curved brackets used to separate program text information from CNC program commands. Page keys: The up and down arrow keys located on the MDI keypad ( A20B ) that allow an operator to move through various screens and fields one page at a time. Forbidden zones can be programmed to specify areas where the tool can and cannot enter. Automatic mode is called memory mode on some FANUC CNC controls at times.Ī safety function that determines if the tool has moved beyond its set boundaries. Automatic mode authorizes an operator to contact and execute a part program stored in memory. These keys differ from the alarm keys correlated with the control panel.įANUC Auto key: This is the key on the CNC machine (including the A16B, A17B & A20B product line) that reshapes the operation mode to automatic. MRO Electric has several FANUC part numbers starting with A06B, A20B, and A16B in-stock.

FANUC Alarm keys: These keys are located on the machine panel that displays alarm intelligence for the machine panel.

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