Baumer GBMMW

Absolute encoder

The Baumer GBMMW is a high-precision absolute encoder designed for industrial applications where reliability and precision are required. It uses an optical measurement method to ensure maximum accuracy.

Datasheet:

• Supply voltage: 10...30 VDC
• Reverse polarity protection: Yes
• Consumption without load: ≤100 mA (24 VDC)
• Initialization time (type): 250 ms after power on
• Interface: CANopen®, EtherCAT, EtherNet/IP, Profibus, PROFINET, SAE J1939, SSI
• Function: Multiturn
• Device address: Rotary switches in the bus cover
• Steps per revolution: ≤262144 / 18 bits
• Number of revolutions: ≤8192 / 13 bits
• Absolute accuracy: ±0.01 °
• Measurement method: Optical
• Code: Binary
• Code sequence: CW/CCW programmable
• Interference resistance: EN 61000-6-2
• Radiated interference: EN 61000-6-4
• Programmable parameters: Steps per rotation, number of revolutions, presets, scaling, direction of rotation
• Diagnostic function: Position or parameter error
• Status indicator: DUO-LED integrated in the bus cover
• Approval: UL approval / E63076

Mechanical design:

• Size (flange): ø58 mm
• Shaft type: ø10 mm solid shaft (flange mount), ø6 mm solid shaft (synchro flange)
• Flange: Mounting or synchronous flange
• Protection EN 60529: IP 54 (without shaft gate), IP 65 (with shaft gate)
• Operating speed: ≤10000 rpm (mechanical), ≤6000 rpm (electric)
• Starting acceleration: ≤1000 U/s²
• Starting torque: ≤0.015 Nm (+25 °C, IP 54), ≤0.03 Nm (+25 °C, IP 65)
• Rotor moment of inertia: 20 gcm²
• Permissible load on the shaft: ≤20 N axial, ≤40 N radial
• Material: Housing: steel; Flange: aluminum; Busbar cover: zinc die-casting
• Operating temperature: -25...+85 °C, -40...+85 °C (optional)
• Relative humidity: 95 % non-condensing
• Resistance: EN 60068-2-6, 10 g vibration, 16-2000 Hz; EN 60068-2-27, 200 g impact, 6 ms
• Weight: approx. 600 g
• Connection: Busbar cover

Advantages:

• High accuracy: Provides precise measurements with an absolute accuracy of ±0.01°.
• Multi-turn: Supports up to 262144 steps per revolution and up to 8192 revolutions.
• Interfaces: Supports CANopen®, EtherCAT, EtherNet/IP, Profibus, PROFINET, SAE J1939, SSI for reliable data transfer.
• Vibration and shock resistance: High vibration and shock resistance ensures reliability in harsh environments.