System.out.println("jModbus Modbus/UDP Slave v0.1");
//1. Prepare a process image
spi = new SimpleProcessImage();
spi.addDigitalOut(new SimpleDigitalOut(true));
spi.addDigitalIn(new SimpleDigitalIn(false));
spi.addDigitalIn(new SimpleDigitalIn(true));
spi.addDigitalIn(new SimpleDigitalIn(false));
spi.addDigitalIn(new SimpleDigitalIn(true));
spi.addRegister(new SimpleRegister(251));