In a control apparatus including a main control section and a plurality of remote PLC devices each connected to the main control section, the main control section has a PLC computing unit controlling the entire system and a remote PLC communication control section executing data transaction via a communication...http://www.google.fr/patents/US5963444?utm_source=gb-gplus-shareBrevet US5963444 - Control apparatus having remote PLC device and control method for same
Control apparatus having remote PLC device and control method for same
