ELECTRICAL EQUIPMENT SYSTEM

摘要

This input/output device which has a function for inputting and outputting information to external equipment is provided with a control unit for communicating with external control equipment. Electrical equipment which communicates with the input/output device is provided with: an input/output assignment storage unit that stores information regarding which port of an input circuit input from the external equipment is assigned to and which port of an output circuit output is assigned to; and electrical equipment side input/output control unit that activates a function of the electrical equipment according to information from the control unit or sends to the control unit information indicating which port of the output circuit to output the output of the electrical equipment to. The electrical equipment uses the external control equipment to store information regarding assignments in the input/output assignment storage unit or changes the information regarding assignments that is stored in the input/output assignment storage unit.