Patent ID: 7174235
Filing Date: 2007-02-06
Classification: G05B

Abstract:
1. A controller for controlling a machine according to control programs which are created in an NC program format, comprising: storage means for storing the control programs created in the NC program format in a way that distinguishes between a program to be executed periodically and a program to be executed according to an execution command; conversion means for analyzing the programs stored in the storage means and converting the programs into programs in a form executable by the controller; and execution means for periodically executing the program to be executed periodically, converted by the conversion means into the executable form, from the time when power to the machine is turned on until the time when the power is shut down; wherein the program to be executed periodically is distinguished from the program to be executed according to an execution command by affixing a specific symbol to each command coded in the program to be executed periodically.