Programmable controller, programmable controller system and execution error information creating method

摘要

When the called control program is called, the control program executing unit (104) stores the return destination address in the stack (102), and inputs the input data to the called control program to the data storage unit (103) The execution error information management section (107) stores the return destination address stored in the stack (102) and the input data stored in the data storage section (103) when an execution error occurs, , Execution error information including a control program in the user program storage (101) and a program name corresponding to the return destination address obtained by using the mapping information indicating the storage position of the called control program .