node-plc

mitsubishi modbus
``
var plc = require("./plc");

//open Y0
var buf = plc.on("mitsubishi","Y0");
console.log(buf);

//close Y0
var buf2 = plc.off("mitsubishi","Y0");
console.log(buf2);

//write date D200 to 0
var buf2 = plc.wr("mitsubishi","D200","0");
console.log(buf2);//
``