EPOS3 70/10 EtherCAT

The EPOS family continues to grow. Besides EPOS2 with its extremely successful and versatile CAN bus, maxon motor now offers with the EPOS3 70/10 EtherCAT a positioning controller that communicates with the standard protocol EtherCAT, the prevalent industrial Ethernet fieldbus.

The digital positioning controller EPOS3 70/10 EtherCAT meets the highest demands in real-time positioning of synchronised multi-axis systems. Extremely compact in size, the EPOS3 possesses a wide nominal power supply voltage range from 11 to 70 VDC and delivers a continuous output current of 10 A, during acceleration and deceleration even up to 25 A. Designed for DC and EC motors with a power range up to 700 Watt, it provides out-standing uniform running for motors equipped with incremental encoders.

The EPOS3 70/10 EtherCAT easily integrates as slave into real-time EtherCAT protocol-based Ethernet networks, and, with the provided device description file and device-specific configuration guide e.g. in a Beckhoff-TwinCAT environment. A multitude of operating modes allows efficient, flexible use in a wide range of drive systems in robotics, automation, and mechatronics. The positioning controller supports a broad bandwidth of encoders.

In the typical EtherCAT modes «Cyclic Synchronous Position (CSP)», «Cyclic Synchronous Velocity (CSV)», and «Cyclic Synchronous Torque (CST)», the EtherCAT master calculates the trajectory points and sends the target parameters cyclically and synchronous via EtherCAT network to the EPOS3. Thereby, the corresponding control loops for position, speed, and torque/current take place in the EPOS3, which, in turn, delivers the measured actual values (position, speed, current) to the EtherCAT master.

For the actual drive control, the EPOS3 70/10 EtherCAT is equipped with superb motion control functionality. For example; in «Profile Position Mode (PPM)», the calculated path is being followed highly dynamic and with high accuracy. A bundle of additional features, such as speed control with given target velocity in «Profile Velocity Mode (PVM)», «Homing» to a defined mechanical position using numerous implemented methods is available. The same applies for the generous number of inputs and outputs, which makes the extra EtherCAT I/O module obsolete. Digital inputs/outputs (11/5) can be configured as reference or limit switch as well as Capture or Trigger, or can be used to activate holding brakes with definable ON/OFF switching delays. Additionally, analogue inputs/outputs (2/1) are at free disposal. Perfectly tailored for servo motors, the EPOS3 70/10 EtherCAT offers likewise built-in motor filters with motor chokes for EMC-conform operation. Prefabricated cables and perfectly matching accessories help to make installation and commissioning easy.

The controller offers comprehensive circuitry against overcurrent, excess temperature, undervoltage and over-voltage, against voltage transients and against short-circuits in the motor cable. Furthermore, it is equipped with adjustable current limitation to protect motor and load as well as protected digital inputs and outputs.

The EPOS Studio serves as user interface for efficient parameterisation employing a lot of smart and clever functions and intuitively designed Wizards. Tasks, such as, Firmware download, automatic controller commissioning, I/O configuration, test & data recording becomes little more than child’s play. Alternatively to the Ether-net interface, a USB 2.0 port is available for commissioning and diagnostics.
A comprehensive documentation set, inclusive Firmware specification and application examples, as well as the graphical user interface EPOS Studio are available for free download from the Internet: http://www.maxonmotor.com.au

EPOS3

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About maxon motor Australia

maxon motor is the world’s leading supplier of high-precision drive systems. More than 40 years’ experience, constant innovation, top-quality products and competent customer service make maxon motor a reliable partner in the drive technology sector. We are driven by your specific requirements. The product range incorporated in the modular system is comprehensive: Brushed and Brushless DC motors with the unique ironless maxon winding Flat motors with iron cores Planetary gears, spur gears and special gears Sensors (encoders, DC tachos, resolvers) Servo amplifiers, position controllers and control electronics High-tech CIM and MIM components Customer specific drive solutions. maxon motor is a Swiss company headquartered in Sachseln (Central Switzerland) that employs more than 2000 staff worldwide. With 14 sales companies based in over 30 countries, sales partners in another 10 countries and with six production sites, maxon motor are able to provide locally-based and competent customer service. maxon motor helps provide innovative solutions at competitive prices for numerous applications in various markets, such as Medical technology, Industrial automation and robotics, Aerospace industry, Automotive industry, Communication, Consumer applications, Inspection and Instrumentation and Safety engineering. maxon motor Australia is based in Mt Kuring-Gai NSW and our staff will be happy to help you with all your DC motor and technical enquiries. www.maxonmotor.com.au

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