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DBS50E-S5AK01024

The SICK DBS50E-S5AK01024 is a compact, solid-shaft incremental encoder from the DBS50 series, designed for precise rotary position and speed feedback in automation and drive technology. Equipped with a 5 V TTL/RS-422 interface and a resolution of 1,024 pulses per revolution (PPR), it ensures reliable and high-accuracy signal output for motion control systems. Its robust mechanical design and IP65 protection make it suitable for demanding industrial environments

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Technical Specifications
Performance

Resolution: 1,024 pulses per revolution (PPR)

Signal Channels: 6 (A, A-, B, B-, Z, Z-)

Reference Signal: 1 pulse per revolution, gated with A and B

Max. Output Frequency: ≤ 300 kHz

Measuring Step: 90° electric

Duty Cycle: 0.5 ± 5%

Error Limit: ±54° electrical per pulse

Electrical Data

Interface: Incremental, TTL/RS-422 compatible

Supply Voltage: 4.5 … 5.5 V DC

Power Consumption: ≤ 0.5 W (no load)

Load Current per Channel: ≤ 30 mA

Signal Delay Time: ≤ 0.2 µs

Start-up Time: < 3 ms

Protections: Reverse polarity and short-circuit protected (when wired correctly)

Mechanical Design

Shaft Type: Solid shaft, Ø 8 mm with flat, length ~15.5 mm

Mounting Flange: Face mount, aluminum housing

Weight: ~180 g (with cable)

Starting Torque: 0.9 N·cm (at +20 °C)

Operating Torque: 0.6 N·cm (at +20 °C)

Max. Shaft Load: 30 N axial, 50 N radial

Permissible Speed: 6,000 rpm continuous; 8,000 rpm short-term

Rotor Moment of Inertia: 0.65 g·cm²

Bearing Lifetime: ~2 × 10⁹ revolutions

Environmental Data

Protection Class: IP65

Operating Temperature: –20 °C … +85 °C (optional: –35 °C … +95 °C)

Storage Temperature: –40 °C … +100 °C (unpacked)

Shock Resistance: 100 g, 6 ms (EN 60068-2-27)

Vibration Resistance: 20 g, 10 … 2,000 Hz (EN 60068-2-6)

Humidity: ≤ 90% (non-condensing)

EMC Compliance: EN 61000-6-2, EN 61000-6-3 (Class A)