var modbus = require('modbus');
var client = modbus.client.tcp.complete({
'host' : '192.168.1.1',
'port' : 502,
'autoReconnect' : true,
'reconnectTimeout' : 1000,
'timeout' : 5000,
'unitId' : 1
});
client.connect();
client.on('connect', function () {
// PLC connected, now you can read/write values
var value = client.readCoils(0, 10, function (resp) {
console.log(resp);
});
});
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