Robot system provided with robot controller

A robot controller calling a teaching program related to a workpiece from a plurality of stored teaching programs and causing a robot to carry out a job in accordance with the called teaching program, said robot controller comprising:

• a storage means storing a plurality of teaching programs, each teaching program having registered therein, as attribute information, identification information indicating the type of the workpiece to which that teaching program is applicable;
• an input means inputting identification information indicating a type of a workpiece on which said robot will carry a job;
• a teaching program retrieving means retrieving all teaching programs having registered therein, as attribute information, the same identification information as the input identification information, based on the input identification information, from said plurality of teaching programs stored in said storage means;
• a main program preparation means preparing a main program to call and execute the retrieved teaching program as a subprogram;
• and
• a main program execution means executing the prepared main program,
• wherein the identification information indicting the type of workpiece is registered in each teaching program as the attribute information related to the sequence information indicating the job sequence, and the main program is prepared by said main program preparation means such that the retrieved teaching programs are called sequentially as subprograms in accordance with the sequence specified by the sequence information.