SCARA robot offers integrated control solution for robot, motion and machine automation

16 November 2021

Trio Motion Technology has launched a robot range that provides machine builders with a fully integrated control solution - with robot control, motion control, and machine automation from a single controller.

The launch will also give access to robots for users with limited robotics experience by providing easy to use application tools within a familiar automation development framework.

Trio’s new SCARA (Selective Compliance Assembly Robot Arm) robot range has been designed to optimise productivity and control for applications including pick-and-place, assembly and dispensing. This makes the range suited to use in industries such as electronics manufacturing, packaging and material handling. 

The range comprises four SCARA robots that extend from a 400mm arm range and a 3kg maximum load capacity, through to a 700mm arm range and a 6kg maximum load capacity.

The robots achieve high cyclic throughput and precision with high repeatability, making them ideal for assembly. Each robot is powered by four Trio MX series servo motors that are individually controlled by a Trio DX4 servo drive. The drives provide fast, precise motion performance enhanced by EtherCAT update rates as low as 125us. DX4 can deliver 350% overload for high dynamic applications as well as absolute multiturn 23bit encoders for system precision. As a result of the design simplicity of the drives with the majority of control and I/O functionality retained within the separate controller, this approach significantly reduces the lifetime cost of the robot.

The new robots are controlled by a Trio motion coordinator that can simultaneously control the overall machine, instead of a separate controller for machine and robot. Integrating robotics within the same controller removes the challenge of hand-shaking and communication compatibility between a robot controller and PLC. This speeds up development time and reduces process issues in the application. A single controller also reduces overall machine cost in terms of hardware as well as footprint, while simplifying commissioning and future production process changes.

As well as robotic and motion control, Trio’s controllers also provide machine automation. The controllers feature extensive I/O integration, system expansion via EtherCAT and compatibility with all primary Ethernet-based bus systems. They can also be programmed using IEC 61131-3 languages.

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