SRM50-HZA0
May 28, 2026

SRM50-HZA0

SRM50-HZA0 is a high‑resolution, multi‑turn absolute rotary encoder by SICK, part of the SRM50 HIPERFACE® motor feedback family. It is designed for servo motor feedback and high‑precision motion control in industrial automation.

Description

Model Breakdown

  • SRM50: SICK Rotary Motor Feedback, size 50

  • H: HIPERFACE® interface

  • Z: Multi‑turn (4096 revolutions)

  • A0: Standard mechanical design, solid shaft

Key Specifications

  • Interface: HIPERFACE® (analog sin/cos + digital RS‑485)SICK

  • Single‑turn resolution: 32,768 absolute positions; 1,024 sin/cos cyclesSICK

  • Multi‑turn range: 4,096 revolutionsSICK

  • Total resolution: 134,217,728 steps

  • Measuring step: 0.3 arcsec (with 12‑bit interpolation)SICK

  • Shaft: Ø10 mm solid shaft

  • Max speed: 6,000 rpm (absolute position valid)SICK

  • Power supply: 7–12 VDC (8 VDC typical)

  • Current: 80 mA (no‑load)

  • Protection: IP65

  • Temperature: −30 °C … +85 °C

  • Vibration/shock: 20 g / 100 g

  • Rotor inertia: 25 g·cm²

  • Weight: ≈0.2 kg

Features

  • Battery‑less multi‑turn: Mechanical gear (4096 rev), no maintenanceSICK

  • High accuracy: ±45 arcsec integral nonlinearity; ±7 arcsec differentialSICK

  • HIPERFACE®: Combined analog sin/cos (high resolution) and digital (parameters, diagnostics)SICK

  • Electronic nameplate: EEPROM stores motor/encoder data for fast commissioning

  • Diagnostics: Monitors temperature, voltage, and position errors

  • Safety: Suitable for SIL2 / PLd applications

Applications

  • Servo motor feedback (machine tools, robots, packaging)

  • Automated assembly lines

  • Motion control requiring high precision + multi‑turn absolute position

Common Order Codes

  • SRM50‑HZA0‑S21: Standard solid shaft, 10 mm

  • SRM50‑HZA0‑S33: With keyway, 10 mmSICK


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