SUBSTANTIAL CONNECTION STRUCTURE FOR POWER LINE COMMUNICATION, OUTLET FOR POWER LINE COMMUNICATION, AND METHOD FOR USING POWER LINE COMMUNICATION DEVICE

摘要

PROBLEM TO BE SOLVED: To communicate with a master device with uniform signal level whichever outlet a slave unit of a power line communication device is connected to.;SOLUTION: A power supply input line 20R of a PLC modem 20 (master unit) is connected to one of non-ground-side cable runs R and B of a panel board 5 for interior wiring supplied with electric power of single-phase three lines directly and to the other cable run through a capacitor 25, a power supply input line 20W is connected to a ground-side cable run W, and PLC modems 22 and 23 (slave units) are connected to the cable runs R and W or cable runs B and W of the panel board 5 to perform power line communication.;COPYRIGHT: (C)2008,JPO&INPIT