Baumer BMMK 58 CANopen – MAGRES

The BMMK 58 CANopen® – MAGRES is a robust mini absolute encoder from Baumer, designed for high-precision applications. It features a magnet bore shaft and provides CANopen® communication. This encoder uses magnetic sensing for position measurement and offers multi-turn resolutions. Known for its compact size, high resistance to shock and vibrations, and robust design, the BMMK 58 is ideal for demanding industrial environments.

With an operating temperature range of -20 to +85 °C and an IP 67 protection rating, it is built to withstand harsh conditions. The encoder also supports various communication protocols, making it versatile for different applications. Its high resolution and programmable parameters cater to customized operational needs, ensuring accurate and reliable performance.

Datasheet

Electrical Ratings:

• Voltage Supply: 10…30 VDC
• Consumption (typ.): 100 mA (24 VDC, w/o load)
• Initializing Time (typ.): 170 ms after power on
• Interface: CANopen®, DeviceNet, EtherCAT, EtherNet/IP, PoE, Profibus-DPV0/V2, PROFINET, POWERLINK, SAE J1939
• Function: Multiturn
• Steps per Revolution: ≤4096 / 12 bit
• Number of Revolutions: ≤262144 / 18 bit
• Absolute Accuracy: ±1 °
• Device Address: Rotary switches in bus cover
• Sensing Method: Magnetic
• Code: Binary
• Code Sequence: CW default, programmable
• Diagnostic Function: Position or parameter error
• Multiturn Sensing: Status indicator DUO-LED integrated in bus cover
• Programmable Parameters: Steps per revolution, Number of revolutions, Preset, Scaling, Rotating direction
• Interference Immunity: EN 61000-6-2
• Emitted Interference: EN 61000-6-3
• Approval: UL approval / E217823

Mechanical Design:

• Size (Flange): ø58 mm
• Shaft Type: ø12 mm (magnet bore)
• Protection EN 60529: IP 67
• Operating Speed: ≤12000 rpm (mechanical), ≤6000 rpm (electric)
• Gap Tolerance: ≤0.3 mm axial, ≤0.1 mm radial
• Material: Housing: steel; Flange: aluminium; Bus cover: zinc die-cast
• Operating Temperature: -20…+85 °C
• Relative Humidity: 95 %
• Resistance: EN 60068-2-6 Vibration 30 g, 10-2000 Hz; EN 60068-2-27 Shock 200 g, 6 ms
• Weight: Approx. 480 g
• Connection: Bus cover

Advantages

• High Resolution: Provides up to 4096 steps per revolution and up to 262144 revolutions for precise position measurements.
• CANopen® Interface: Ensures reliable and accurate data transmission with the CANopen® protocol.
• Magnetic Sensing: Offers robust and accurate position measurement.
• Compact Design: Small size (ø58 mm flange) allows for easy integration into various setups.
• High Protection: IP 67 rating ensures reliable performance in harsh environments.
• Shock and Vibration Resistance: High resistance to shock and vibrations guarantees durability.
• Programmable Parameters: Allows for customization of operating modes, total resolution, scaling, and rotation speed monitoring.