Numeric controller with notification of a CAM system in the event of a change in the subroutine

A computer program, wherein the computer program is fixed in machine-readable program code on a machine-readable medium and configured for execution by a numerical controller to control a production machine using a subroutine generated by a CAM system, said subroutine including subprogram calls which may be calls to subprograms that are stored as part of the subroutine or parameterized calls to subprograms that are stored independent of the subroutine, the computer program comprising:

• program code configured to enter a command into the numerical controller that selects at least one program statement of the subroutine using an operator interface;
• program code configured to output a parameterized description of said selected program statement or of a sequence of program statements containing said selected program statement to the operator of the numeric controller using the operator interface;
• program code configured to input a change in said parameterized description to the numerical controller using an operator interface;
• program code configured to store a modified subroutine corresponding to said changed parameterized description in the numeric controller;
• and
• program code configured to compulsorily send a message that identifies the original subroutine and the change made in the original subroutine by said changed parameterized description in a form that is automatically evaluable to a predetermined address, so that the CAM system that was used to create the subroutine autonomously and automatically uses the message to ascertain a data set underlying the original subroutine and to selectively modify the data set underlying the original subroutine in accordance with the change that was made in the original subroutine by said changed parameterized description as well as storing the modified subroutine in response to an update authorization decision provided by a CAM operator, the message that identifies the original subroutine and the change made in the parameterized description being in a form that is automatically evaluable.

A numeric controller, comprising:

• an operator interface;
• and
• a computer program stored in the numerical control unit, the computer program including a sub-program executable by the numerical controller to control a production machine using a subroutine generated by a CAM system, said subroutine including subprogram calls which may be calls to subprograms that are stored as part of the subroutine or parameterized calls to subprograms that are stored independent of the subroutine, the sub-program including:
• program code configured to enter a command into the numerical controller that selects at least one program statement of the subroutine using an operator interface;
• program code configured to output a parameterized description of said selected program statement or of a sequence of program statements containing said selected program statement to the operator of the numeric controller using the operator interface;
• program code configured to input a change in the parameterized description to the numerical control unit using an operator interface;
• program code configured to store a modified subroutine corresponding to the changed parameterized description in the numeric controller;
• program code configured to compulsorily send a message that identifies the original subroutine and the change made in a form that is automatically evaluable to a predetermined address, so that the CAM system that was used to create the subroutine autonomously and automatically uses the message to ascertain a data set underlying the original subroutine and to selectively modify the data set in accordance with the change that was made as well as storing the modified subroutine in response to an update authorization decision provided by a CAM operator, the message that identifies the original subroutine and the change made therein being in a form that is automatically evaluable.