Baumer GXM7W - RS485

Absolute encoder

The Baumer GXM7W - RS485 is an absolute encoder with optical measurement method used for precise position and speed detection in industrial applications. It offers high accuracy and reliability, making it ideal for a variety of applications.

Datasheet

Electrical specifications:

• Supply voltage: 10...30 VDC
• Reverse polarity protection: Yes
• Consumption without load: ≤50 mA (24 VDC)
• Initialization time: typically 250 ms after switching on
• Interface: RS485
• Function: Multiturn
• Data transfer rate: 38.4 kbaud
• Address of the device: Encoded by connection
• Steps per revolution: 8192 / 13 bits
• Number of revolutions: 4096 / 12 bits
• Absolute accuracy: ±0.025°
• Measurement method: Optical
• Code: Binary
• Code sequence: CW/CCW, coded by connection
• Output stages: RS485
• Immunity to interference: EN 61000-6-2
• Radiated interference: EN 61000-6-4
• Approval: UL approval / E63076

Mechanical design:

• Size (flange): ø58 mm
• Shaft type:
• ø10 mm solid shaft (mounting flange)
• ø6 mm solid shaft (synchro flange)
• Flange: Mounting or synchro flange
• Protection EN 60529:
• IP 54 (without shaft closure)
• IP 65 (with shaft closure)
• Operating speed:
• ≤10000 rpm (mechanical)
• ≤6000 rpm (electrically)
• Initial acceleration: ≤1000 U/s²
• Initial torque:
• ≤0.015 Nm (at +25 °C, IP 54)
• ≤0.03 Nm (at +25 °C, IP 65)
• Rotor moment of inertia: 20 gcm²
• Permissible shaft load:
• ≤20 N on the axis
• ≤40 N along the radius
• Material:
• Body: steel
• Flange: aluminum
• Operating temperature:
• -25...+85 °C
• -40...+85 °C (optional)
• Relative humidity: 95 % without condensation
• Vibration:
• EN 60068-2-6: 10 g, 16-2000 Hz
• Shock:
• EN 60068-2-27: 200 g, 6 ms
• Weight: approx. 400 g
• Connection: M23 connector, 12-pin; 1 m cable

Advantages:

• High accuracy: Provides accurate speed measurement, which is critical for many industrial applications.
• Resistant to conditions: Operates in a wide range of temperatures and humidity, allowing it to be used in a variety of environments.
• Compact design: Facilitates installation and use in confined spaces.
• Energy efficiency: Minimal power consumption reduces energy costs, which is an important factor for long-term projects.
• Reliability: High resistance to vibrations and shocks ensures stable operation in industrial environments.