Baumer GEMMW

Absolute encoders

The Baumer GEMMW is a series of absolute encoders with minimum rotation that provide precise measurement of speeds and displacements. They are used in various industrial applications where high accuracy and reliability are required.

Datasheet

Electrical specifications:

• Supply voltage: 10...30 VDC
• Reverse voltage protection: Yes
• Consumption without load: ≤100 mA (24 VDC)
• Initialization time: 250 ms after power on
• Interface: CANopen® Profibus-DPV0
• Function: Multiturn
• Device address: Rotary switch in the busbar end (typical)
• Steps per rotation: ≤8192 / 13 bit
• Number of revolutions: ≤65536 / 16 bit
• Absolute accuracy: ±0.025 °
• Measurement method: Optical
• Code: Binary
• Code series: CW/CCW programmable
• Immunity to interference: EN 61000-6-2
• Radiated interference: EN 61000-6-4
• Programmable parameters: Steps per revolution, number of revolutions, tuning, scaling, direction of rotation, diagnostic function, position or parameter error, multi-tour sensing
• Approvals: UL approval / E63076

Mechanical design:

• Size (flange): ø58 mm
• Shaft type: ø10 mm solid shaft (mounting flange) or ø6 mm solid shaft (synchro flange)
• Flange: Mounting flange or synchronous flange
• Protection according to EN 60529: IP 67
• Operating speed: ≤10,000 rpm (mechanical) ≤6,000 rpm (electrical)
• Initial acceleration: ≤1000 U/s²
• Initial torque: ≤0.03 Nm (+25 °C, IP 67)
• Rotor moment of inertia: 20 gcm²
• Permissible shaft load: ≤20 N axial, ≤40 N radial
• Material: Housing: stainless steel 1.4305, Flange: stainless steel 1.4305, Cutting guard: stainless steel 1.4305
• Operating temperature: -25...+85 °C (standard), -40...+85 °C (optional)
• Relative humidity: 95 % non-condensing
• Vibration: 10 g, 16-2000 Hz
• Shock: 200 g, 6 ms
• Weight: approx. 900 g
• Connections: Cutting hood