Fundamental Principles of NC Programming
2.2 Language elements of the programming language
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
2-11
Settable addresses
Addresses can be defined either as an address letter (with numerical extension if necessary)
or as freely selected identifiers.
Note
Variable addresses must be unique within the control, i.e., the same identifier name may not
be used for different address types.
A distinction is made between the following address types:
• Axis values and end points
• Interpolation parameters
• Feedrates
• Approximate positioning criteria
• Measurement
• Axis, spindle behavior
• …
Variable address letters are:
A, B, C, E, I, J, K, Q, U, V, W, X, Y, Z
Note
The user can change the names of the variable addresses in the machine data.
Example:
X1, Y30, U2, I25, E25, E1=90, …
The numeric extension has one or two digits and is always positive.
Address identifiers:
The address notation can be expanded by adding extra letters.
Example:
CR ;e.g., for circle radius
XPOS
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