Baumer BMMH 42 CANopen® - MAGRES

Absolute encoder

The BMMH 42 CANopen® - MAGRES is a mini absolute encoder from Baumer, designed for high-precision applications. It features a hollow shaft and provides CANopen® communication. This encoder uses magnetic sensing for position measurement and offers both single-turn and multi-turn resolutions. It is known for its compact size, high resistance to shock and vibrations, and robust design.

Datasheet

Electrical Ratings:

• Voltage Supply: 10...30 VDC
• Reverse Polarity Protection: Yes
• Consumption w/o Load: ≤50 mA (24 VDC)
• Interface: CANopen®
• Function: Singleturn / Multiturn
• Steps per Revolution: Singleturn: 12 bit, Multiturn: 18 bit
• Sensing Method: Magnetic
• Code Sequence: CW: ascending values with clockwise sense of rotation (looking at mounting surface)
• Output Signal | Interface: CANopen® data: linedriver RS485

Mechanical Design:

• Size (Flange): ø42 mm
• Shaft Type: ø12 mm hollow shaft
• Flange: Clamping flange
• Protection EN 60529: IP 42, IP 65 (at shaft entrance)
• Operating Speed: ≤12000 rpm (mechanical), ≤6000 rpm (electric)
• Starting Torque: ≤0.0093 Nm (+20 °C)
• Admitted Shaft Load: ≤40 N axial, ≤60 N radial
• Material: Housing: steel; Shaft: aluminium
• Operating Temperature: -20...+85 °C
• Relative Humidity: 95 % non-condensing
• Resistance: EN 60068-2-6 Vibration 30 g, 10-2000 Hz; EN 60068-2-27 Shock 500 g, 6 ms
• Connection: Connector M12, 5-pin

Advantages

• High Resolution: Provides 12-bit single-turn and 18-bit multi-turn resolutions for precise position measurements.
• CANopen® Interface: Offers reliable and accurate data transmission with the CANopen® protocol.
• Magnetic Sensing: Ensures robust and accurate position measurement.
• Compact Design: Small size (ø42 mm flange) makes it easy to integrate into various setups.
• High Protection: IP 42 and IP 65 ratings ensure reliable performance in harsh environments.
• Shock and Vibration Resistance: High resistance to shock and vibrations ensures durability.
• Programmable Parameters: Allows for customization of operating modes, total resolution, scaling, and rotation speed monitoring.