Glossary
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Glossary-11
Machining channel
A channel structure can be used to shorten idle times by means of parallel motion
sequences, e.g., moving a loading gantry simultaneously with machining. In this case, a
CNC channel must be regarded as a separate CNC control with decoding, block preparation,
and interpolation.
Macro technique
Summary of a set of instructions under one identifier. The identifier represents the set of
consolidated instructions in the program.
Main block
A block preceded with ":" that contains all information to start the operating sequence in a
→ part program.
Main program
The → part program designated by a number or an identifer in which additional main
programs, subroutines, or → cycles can be called.
MDA
Control mode: Manual Data Automatic. In MDA mode, individual program blocks or block
sequences can be entered without reference to a main program or subroutine and then
executed immediately using the NC Start key.
Messages
All messages programmed in the part program and → alarms detected by the system are
displayed on the operator panel in plain text with date and time and the corresponding
symbol for the cancel criterion. The display is broken down into alarms and messages.
Metric and inch dimensions
Position and lead values can be programmed in inches in the machining program.
Irrespective of the programmable dimensions (G70/G71), the controller is set to a basic
system.
Metric measuring system
Standardized system of units: For length, e.g., mm (millimeters), m (meters).
Mirroring
Mirroring inverts the signs of the coordinate values of a contour with respect to an axis. It is
possible to mirror in relation to more than one axis at a time.
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