This is a lib for plc communication.
Currently is support panasonic plc, will add omron plc later on.
Install via npm
npm i plcjs

The lib offers a serial command, you could send code via serial, ether port, even remote serial port.

const panasonic = require("../plcjs");
//write the command via serial port or LAN
command = panasonic.ver();
console.log(command);