Connect to the robot

Connect to a UR robot

Initialize a TCP communication with a robot. The Connect() method take the hostname (ur-xxx) of the robot or its IP address that you can find in the "About Dialog-Box" in PolyScope.

If this method is called with only the IP as parameter the XML-RPC server is started on port 50000 and the data streaming is enabled on Primary Port.

using UnderAutomation.UniversalRobots;
///...
// Create a new UR instance
var ur = new UR();
ur.Connect("192.168.0.1");

The Connect() method can throw a InvalidLicenseException if your trial period is over or if your license key is invalid.

Connection parameters

The Connect() method has optionnal parameters that can be used to set up the connection. If none of the optional parameters are used, the data streaming takes place on the Primary Port, the XML-RPC server starts on port 50000 and the robot is pinged at the connection.

// Initialize a connection to the robot
public void Connect(string ip, bool enableDataStreaming = true, DataStreamingPorts dataStreamingPort = DataStreamingPorts.PrimaryClient, bool enableXmlRpcServer = true, int xmlRpcServerPort = 50000, bool pingRobotBeforeConnect = true, bool enableSSH = true, bool enableSFTP = true, string login = "ur", string password = "easybot")
// Create a new UR instance
var ur = new UR();
ur.Connect("192.168.0.1" // IP of the robot
,true // Enable Data Streaming
,DataStreamingPorts.SecondaryClient // Use secondary port for data streaming
,true // Enable XML-RPC
,40000 // Use local port 40000 instead of 50000 to host the XML-RPC server
,false // Do not ping the robot
);
Members of DataStreamingPorts :
public enum DataStreamingPorts {
// The default port that allow reading data and sending URScript
PrimaryClient = 30001,
// This port can only read data. It is unable to send URScript.
PrimaryClientReadOnly = 30011,
// The secondary port with same features as PrimaryClient
SecondaryClient = 30002,
// A secondary port that can only read data. It is unable to send URScript.
SecondaryClientReadOnly = 30012
}

Disconnect

The Disconnect() method stops all services including the data streaming and the XML-RPC server.

// Create a new UR instance
var ur = new UR();
ur.Connect("192.168.0.1");
// ...
// Stop connection
ur.Disconnect();
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© 2021 UnderAutomation - UnderAutomation Universal Robots .NET Communication SDK (Software Development Kit) provides the ability to create customized .NET Core, .NET Framework and .NET Standard applications that can communicate with every UR robots. Ready to use examples for Windows, Mac OS and Linux, LabView, Node.js and Python are provided. It uses TCP/IP Dashboard Server and XML-RPC to remote control the robot and the Client Interface to receive and decode data stream.