There is provided an image processing controller capable of faithfully recreating a process of a series of image processing based upon a control program, which includes: a history buffer for extracting a result of the measurement in each processing unit, executed by the program executing section, as history information in each measurement cycle and holding the extracted result in association with the processing unit and the measurement cycle; a history buffer for extracting a camera image acquired from a camera by the program executing section during execution of a control program, as history information in each the measurement cycle and holding the extracted image in association with the measurement cycle; and a history information transferring section for transferring history information, held in the history buffers, to the PC.