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[CAN]
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A soft key that cancels the current view on the GE Fanuc 0-C control.
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[DELETE]
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A soft key on the GE Fanuc 0-C control that initiates a program file deletion on the GE Fanuc 0-C control.
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[EXEC]
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A soft key that executes certain commands on the GE Fanuc 0-C lathe control.
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[FLOPPY]
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A soft key that displays the file directory of a floppy disk on the GE Fanuc 0-C control.
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[I/O]
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A soft key that allows you to input and output floppy files of the GE Fanuc 0-C control when the floppy drive is not the default input/output device.
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[LIB]
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A soft key that displays the program library on the GE Fanuc 0-C control.
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[PUNCH]
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A soft key that initiates program output to a floppy disk on the GE Fanuc 0-C control.
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[READ]
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A soft key that initiates the transfer of a file from a floppy disk to the control memory on the GE Fanuc 0-C control.
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[RENAME]
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A soft key on the GE Fanuc 0-C control that initiates a file name change on the GE Fanuc 0-C control.
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[SRHFIL]
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A soft key that displays the floppy disk file search function on the GE Fanuc 0-C control.
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[STOP]
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A soft key that discontinues an operation on the GE Fanuc 0-C control.
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address key
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The area of the MDI keypad that allows an operator to enter letters and special characters into the control.
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addressed data
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Part program data consisting of alphanumeric CNC codes. Each code consists of a letter and number combination.
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baud rate
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The number of changes per second to the media being transmitted. Also called the signaling rate, baud rate is measured by the number of signaling events per second.
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binary digit
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Bit. The smallest unit of information on a computer.
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bit
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Binary digit. The smallest unit of information on a computer.
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byte
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Eight bits.
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canned cycle
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A sequence of machine operations initiated by a single G code. Canned cycles act as shortcuts that simplify the program. Rough turning, finish turning, and peck drilling sequences are common canned cycles.
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data bits
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In data transmission, a "1" or "0" that represents the most fundamental unit of information in a digital system. Bit is shorthand for "binary digit."
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data rate
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The speed at which data is transmitted. Also called the bit rate, data rate is measured in bits per second (bps).
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direct numerical control
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The direct control of CNC machines by a central host computer. With DNC, the program is run directly from the memory of a host computer and is not stored in the memory of the machine's own control.
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directory
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A view on the display screen that lists all the part programs stored on a floppy disk.
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EDIT mode key
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The key on the CNC machine that changes the operation mode to edit. Edit mode allows an operator to make changes to a part program and store those changes.
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electronic transfer
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Any method of sending and receiving part programs on a CNC control involving either floppy disk, RS232, or direct numeral control.
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end-of-block
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A character that marks the end of a part program block. An end-of-block character is represented by a semicolon (;) in a part program.
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F code
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A program code that determines the feed rate during a cutting operation.
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floppy disk
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A 3.5 inch plastic device that stores programs and computer information magnetically. Standard removable floppy disks hold 1.44MB of data.
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floppy disk drive
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A computer peripheral that reads and writes magnetic data to and from a floppy disk.
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G code
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A programming code that determines the type of operation performed on the machine.
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G01
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A preparatory command that indicates linear interpolation, a type of movement along the machine axes.
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G70
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A canned cycle used for finishing on the lathe.
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G71
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A canned cycle used for Z-axis roughing and OD or ID stock removal on the lathe.
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G72
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A canned cycle used for X-axis roughing and stock removal of the part face on the lathe.
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G73
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A canned cycle used for pattern repetition on the lathe.
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I/O
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An abbreviation for input/output.
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input
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The act of moving a part program from an input/output device to the memory of a CNC control.
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input/output device
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A device that facilitates the flow of information to and from a CNC control.
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INSRT key
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A key on the GE Fanuc 0-C control that inserts the text in the input buffer after the current cursor location.
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M code
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A code used to signal an action from a miscellaneous group of commands. M codes change cutting tools, turn on or turn off the coolant, spindle, or workpiece clamps, etc.
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M30
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A miscellaneous code that signals a program end and rest.
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M98 P###
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A miscellaneous code that calls a subprogram during part program execution. "P###" indicates the area of the program which is being called.
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MB
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Megabyte. A unit of computer storage equal to 1,024 kilobytes or 1,048,576 bytes.
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menu programming
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A feature of the GE Fanuc 0-C control that prompts a user to enter relevant data during manual programming.
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MS-DOS
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Microsoft Disk Operating System. A computer operating system for personal computers, which has largely been replaced by the more common Windows operating system.
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OUTPT/START
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A key located on the MDI keypad that allows an operator to start an automatic operation and output data into an input/output unit.
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output
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The act of moving a part program from a CNC control to another device for transfer and storage purposes.
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parameter
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One of the limits or physical properties that determine function and operation of a CNC machine.
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parity
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A simple error checking system used in serial communications.
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part program
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A series of instructions used by a CNC machine to perform the necessary sequence of operations to machine a specific workpiece.
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PRGRM function key
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A function key located on the MDI keypad that displays the program screen and blocks of the current part program.
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program library
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A view on the display screen that lists all the part programs in memory.
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program protect switch
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A switch that prevents information from being entered, altered, and deleted when activated. This feature is designed to prevent the accidental or intentional loss or alteration of important program information.
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RS232
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A serial interface standard specified by the Electronic Industry Association for the interconnection of devices. CNC controls can send and receive part programs using RS232 standard connection cables.
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S code
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A program code that determines the speed during a cutting operation.
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soft key
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A key located directly below the display screen that has a different purpose depending on which function key has been chosen. The function of each soft key is visible on the display screen between brackets.
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start bit
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A bit indicating the beginning of a data stream or the start of a byte of data.
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stop bit
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A bit indicating the end of a byte of data.
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T code
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A program code used to indicate the specific tool for a tool change.
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X code
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A program code that indicates a specific coordinate position along the X-axis.
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Z code
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A program code that indicates a specific coordinate position along the Z-axis.
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