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Rotary drives

Integrated electronics

Schunk has enlarged its mechatronic product line with the PR 2, PDU 2, and PSM 2 series. These three compact drives are optimized for robust applications. They come with an optional CAN interface.

The rotary modules PDU 2, PR 2, and PSM 2 come with integrated control and power electronics (Photo: Schunk)

THE COMPLETE POWER ELECTRONICS of the modules have been integrated into the modules. No external controller is needed, and cabling as well as error susceptibility are minimized. The modules are available in three standardized unit sizes. They are equipped with standardized plug connections.

Optionally, control is done via CAN (up to 1 Mbit/s) or Profibus (up to 12 Mbit/s). For commissioning and parameterization via a PC with the Schunk motion tool, the modules are equipped with a USB connection, and can be manually addressed by means of an adjustable rotary encoding switch. Initial module movements can be manually realized via a DIP switch. The status of each module can be seen on an LED display.

Due to the integrated Harmonic Drive, the PR2 rotary module, and the PDU 2 drive for linear axes achieve torques between 16 Nm and 184 Nm, depending on the module size. The directly driven PSM 2 module can be used for fast movement of small masses. It is compact and achieves at a torque of 1,8 Nm up to 4320 revolutions per minute. Position, speed, and torque of all the three modules can be individually controlled. An incremental encoder ensures position and repeat accuracy. The integrated holding brake is activated as soon as the target position is reached. For evaluation of the sensor signals, the module is equipped with two digital inputs.



Publish date
2015-08-04
Company

Schunk

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