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Using the Modbus TCP/IP Client interface of the UR robot

This article provides a complete understanding of the Universal Robots robot controller Modbus TCP client interface (using the robot as a client to access some other Modbus server).

Last modified on Sep 30, 2024

Created date: February 25, 2020

For information regarding the robots Modbus server, please consult this article. This article was written assuming the Modbus functionality provided with Polyscope version 5.2 and 3.8 (eSeries and CB3 robots respectively).

For older versions of Polyscope there might be some differences.

This article also provides a quick example of using the robots Modbus client interface to expand the robots IO through a Phoenix Contact IO block that behaves as a Modbus/tcp server.

Please download below attached file for complete guide.

Attached files


UR Modbus_bba_mods_0.1.4.pdf

Attached files

UR Modbus_bba_mods_0.1.4.pdf

Related articles

Modbus Server
Modbus client troubleshooting
Modbus TCP Client Setup
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