Panasonic kw9m User Manual

Also see for KW9M Eco-Power Meter: User manual User manual Installation instructions

Contents

KW9M Eco-POWER METER576.5 DL/T645-2007 communication6.5.1 Overview of DL/T645-2007Only 2007 version of DL/T645 is supported. Other version is not supported.◆DL/T645-2007 transmission settings are as below.Transmission format 8bitParity Even (fixed)Stop bit 1bit (fixed)Response time 50ms (fixed)Stop time between byte 500ms or more◆Frame formatFrame start number 68HA0A1A2A3A4Address fieldA5Frame start symbol 68HControl code CData field length LData field DATACheck code CSEnd symbol 16HAddress field (A0 to A5)Address (device number) is consisted of 6-byte (12-digit), but the range is 0 to 9999.(When the number of digit is not filled, it fills it up with ‘0’.)Transmission address ‘999999999999H’ is not supported.Address field supports wild card. It fills it up with AA from the lower to upper without any value.When it transmits address field, it transmits from lower to upper. (A0 A1 A2 A3 A4 A5)Ex.) In case of that the address is 55H.・Correct address fieldTransmission formatWithout wild card 55 00 00 00 00 00With wild card 55 00 AA AA AA AA・Case that is NG with wild cardAddress field Reason55 00 00 AA 00 AA There is ‘00’ between ‘AA’ and ‘AA’.55 00 00 A0 AA AA A3 of address field is not ‘AA’.