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The SRM50-HZZ0-S45 is a high-performance absolute multiturn encoder from SICK’s SRS/SRM50 series, designed to deliver precise position and speed feedback in industrial automation systems. It is widely used in servo drive applications, CNC machinery, and robotics—where accurate and reliable motion control is essential.
Key Specifications
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Encoder Type: Absolute multiturn rotary encoder
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Model: SRM50-HZZ0-S45
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Sine/Cosine Periods: 1024 periods per revolution
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Multiturn Capability: 4,096 revolutions
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Total Resolution: 32,768 steps
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Measuring Step: 0.3 arcseconds (with 12-bit interpolation)
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Integral Non-Linearity: Typically ±45 arcseconds
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Differential Non-Linearity: ±7 arcseconds
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Mounting: Spring mounting plate (stator coupling)
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Weight: ≤ 0.2 kg
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Rotor Inertia: 10 g·cm²
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Max Operating Speed: ≤ 12,000 RPM
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Angular Acceleration: ≤ 200,000 rad/s²
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Operating Torque: 0.2 N·cm
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Start-Up Torque: 0.4 N·cm
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Permissible Shaft Movements (Static): ±0.15 mm radial / ±0.75 mm axial
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Permissible Shaft Movements (Dynamic): ±0.05 mm radial / ±0.2 mm axial
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Angular Deviation (Static): ±0.005 mm per mm of shaft length
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Angular Deviation (Dynamic): ±0.0025 mm per mm
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Bearing Lifetime: 3.6 billion revolutions
Electrical Specifications
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Supply Voltage: 7–12 V DC
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Current Consumption: Typically 80 mA (without load)
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Signal Output: 1 Vpp sine/cosine signals
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Signal Frequency: Up to 200 kHz
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Interface: HIPERFACE®
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Connection: 8-pin connector strip
Environmental Conditions
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Operating Temperature: –30°C to +115°C
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Storage Temperature: –40°C to +125°C (without packaging)
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Humidity: 90% max (non-condensing)
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Shock Resistance: 100 g, 10 ms (EN 60068-2-27)
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Vibration Resistance: 20 g, 10 Hz to 2,000 Hz (EN 60068-2-6)
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EMC Compliance: EN 61000-6-2 and EN 61000-6-3
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Ingress Protection: IP40 (with connector plugged in, per IEC 60529)
Typical Applications
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Servo motor feedback systems
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CNC machine tools
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Robotics
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Elevator position and speed monitoring
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Automation systems requiring high-resolution absolute positioning
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