//Create connection
    S7Connector connector = 
            S7ConnectorFactory
            .buildTCPConnector()
            .withHost("10.0.0.220")
            .withType(1) //optional
            .withRack(0) //optional
            .withSlot(2) //optional
            .build();
                
	//Read from DB100 10 bytes
	byte[] bs = connector.read(DaveArea.DB, 100, 10, 0);

	//Set some bytes
	bs[0] = 0x00;
		
	//Write to DB100 10 bytes
	connector.write(DaveArea.DB, 101, 0, bs);

	//Close connection
	connector.close();

<dependency>
    <groupId>com.github.s7connector</groupId>
    <artifactId>s7connector</artifactId>
    <version>2.1</version>
</dependency>