Baumer BMMK 58 CANopen - MAGRES

Absolute encoder

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.

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.