A Multi Axis Motor Control EPOS2 36/2 Motherboard

Operating as standalone controller or integrated into final product as sub-board, EPOS2 36/2 Motherboard features snap-apart construction with 11 nodes connected via CAN-Open, allowing multi-axis customization on single board. Two digital inputs and 1 digital output are mapped on board with additional I/O expansion module as option. In addition to motor speed, torque, and position control, EPOS2 36/2 is capable of synchronously running coordinated multi-axis path dictated by interpolating points.

Intelligent control applications often call for multi-axis solutions to meet demanding performance requirements. Configuring a control solution in a mother board / daughter board array is a convenient and proven method of addressing these types of applications. OEM style daughter boards, like Maxon's EPOS2 36/2 drive/controller, offer excellent flexibility in design but require custom wiring solutions. This process is often too expensive and time consuming for designers who may not have the resources to undertake a complete development, especially with increasingly short proof-of-concept times. The new EPOS2 36/2 motherboards make product development faster and easier, giving the designer either a standalone multi-axis motor controller or one that can be integrated into the final product as a sub board.

Starting with 11 nodes connected together via CAN-Open, the unique snap apart construction allows for quick multi-axis customization on a "single" board. Each node mates with an individual EPOS2 36/2 drive/controller and provides connection points. Standard cables are available in stock. Two digital inputs and one digital output are mapped on the board with an additional I/O expansion module as an option. USB and RS232 communication modules are available for users that don't want to use CAN.

Functionalities of the EPOS 2 motor speed, torque and position controller with multi axis motherboard include:
• Speed and Position feed forward control. EPOS supported motion controlled acceleration and speed.
• PVT - Interpolated Position Mode. The controller is capable of synchronously running a coordinated multi-axis path dictated by interpolating points.
• Step and Direction. Implemented for replacing stepper motors with highly dynamic brushless DC motors.
• Point to Point motor position control. The CANopen Profile Position Mode moves the position of the motor from point A to point B. The motor position is relative to the absolute home position or the axis relative position.
• Torque Control. Sinusoidal motor control resulting in a minimum torque ripple.
• Electronic Gearing. Using an external encoder as a master, multiple motors can be synchronized with a user input software gearing factor.
• Motor Holding Brake Control.
• Position Compare and Position Mark. Save and sending of digital signal (Trigger and Capture)
• Dual Loop Speed and Position Control. Precision motor control with load mounted high resolution SSI absolute and incremental encoders.

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High resolution. Limited space. Not a problem for our latest miniature encoders that provides precise feedback and is easy to install within smaller-sized applications. Now available in 400 and 500 CPRs. Coming in at about the size of a nickel, we've added our proprietary Opto-ASIC sensor technology and improved quadrature for even greater motion control. Product Features: 10 resolutions up to 360 CPR, plus new 400 and 500 CPR resolution; 288 configurations available, including single and differential output; Compact form factor • 0.866 inch (in) / 22.00 millimeter (mm) package outside diameter • 0.446 in / 11.33 mm package height • Fits NEMA 8, 11, 14 and 17 motors; Simple and efficient assembly process • Four-piece construction • Push-on hub disk design, patent pending; 100 kilohertz frequency response; Shafted version up to 0.25 in / 6.25 mm diameter.