public ModbusTCPClient(String host, int port) throws ModbusInitException {
IpParameters params = new IpParameters();
params.setHost(host);
params.setPort(port);
params.setEncapsulated(false);
this.rtuMaster = modbusFactory.createTcpListener(params);
//设置超时时间
this.rtuMaster.setTimeout(2000);
//设置重连次数
this.rtuMaster.setRetries(3);
//初始化
this.rtuMaster.init();
}