Product Model: SEW42451203S17-58 (AV1Y ROQ 424 512 03S17-58) Product Description

I. Product Basic Information

Product Full Name: AV1Y ROQ 424 512 03S17-58 Encoder (SEW Synchronization Model)

Brand: SEW (Sew Drive, a well-known industrial drive brand in Germany)

Product Type: Rotating Encoder (Photoelectric Absolute Value / Incremental Encoder, suitable for SEW servo motors, reducer motors)

Production Date / Query Time: May 18, 2026 18:11:30

Core Application: Precise detection of motor speed, position, and angle feedback, used in industrial automation closed-loop control, positioning, and synchronization control scenarios

II. Model Code Deep Analysis

Model SEW42451203S17-58 is a customized number for the SEW synchronization encoder. The standard model is AV1Y ROQ 424 512 03S17-58. The meanings of each field are:

AV1Y: Electrical interface / Signal output type (SEW dedicated adapter protocol, compatible with SEW drives, controllers)

ROQ: Encoder series (Hedrich ROQ series, SEW original high-precision encoder)

424: Shape specification / Size series (outer diameter 42mm standard industrial encoder size)

512: Resolution - 512 pulses per revolution (PPR) / 512-bit position encoding, suitable for medium to high precision transmission control

03: Electrical specification / Circuit version (5V DC power supply, differential signal output, anti-interference type)

S17: Mechanical installation structure - solid shaft, shaft diameter 17mm, key slot / clamp flange installation

58: Protection level / Additional features - protection level IP58 (dust-proof, low-pressure water spray resistance, suitable for harsh industrial environments)

III. Core Technical Parameters

(1) Electrical Parameters

Power Supply Voltage: 5 V DC ±10%

Current Consumption: ≤150 mA (no load)

Output Signals:

Incremental Type: A, B, Z three-phase differential signals (RS422/TTL level)

Absolute Value: SEW dedicated serial data protocol (compatible with SEW MOVIDRIVE, MOVIFIT series drives)

Signal Frequency: Maximum 300 kHz (compatible with no signal loss at the highest rotational speed)

Resolution: 512 PPR/512 bits (single circle absolute position)

Phase Difference: A/B phase 90° ±5°, Z phase zero pulse per revolution 1

(2) Mechanical Parameters

Shaft Diameter: 17 mm (solid shaft)

Installation Method: Clamp flange / key slot fixation (compatible with SEW motor rear cover)

Allowable Rotational Speed: Continuous maximum 6000 rpm, short-term maximum 8000 rpm

Axial Load: ≤60 N

Radial Load: ≤120 N

Rotational Inertia: ≤1.5×10⁻⁶ kg·m²

Weight: Approximately 180 g

(3) Environmental Parameters

Protection Level: IP58 (shaft end IP58, shell IP54)

Operating Temperature: -30℃ ~ +85℃

Storage Temperature: -40℃ ~ +100℃

Anti-Vibration: 10~2000 Hz, 15 g

Anti-Impact: 100 g (6ms, half sine wave)

Electromagnetic Compatibility: Compliant with EN 61000-6-2/4, industrial-level anti-interference

IV. Product Performance and Features

High Precision Positioning

512 lines high resolution, position detection error ≤ ±1 arc minute, rotational speed measurement accuracy 0.01% Absolute value encoding for each circle, no need to return to zero after power loss, and the absolute position can be read upon power-on

High reliability compatible with SEW system

Original German factory matching, 100% compatible with SEW motors, reducers, and drivers, without communication compatibility issues

Modular design, directly replace SEW original encoder, plug and play

Industrial-grade durability

IP58 high protection, suitable for dusty, humid, oily, and light spray environments

Wide temperature range, high resistance to vibration and impact, suitable for harsh conditions such as mines, metallurgy, logistics, packaging, and robotics

Stable signal

Differential signal output, long-distance transmission (up to 100m) without attenuation or interference

Wide voltage range, low power consumption, compatible with SEW control system power supply

V. Application scenarios

SEW reducer motor closed-loop control: R/K/F/S series reducer motors for speed/position feedback

Industrial automation production lines: conveyor lines, elevators, sorting machines for precise positioning

Servo drive system: SEW servo motors for position closed-loop and synchronous control

Textile / printing / packaging machinery: tension control, fixed-length cutting, color mark tracking

Construction machinery / lifting equipment: winch, amplitude, rotation angle and speed detection

VI. Installation and usage norms

Installation requirements

Axial alignment error: radial ≤ 0.03mm, axial ≤ 0.05mm, to avoid bearing damage due to uneven loading

Torque for fastening: flange bolts 2.5~3 N・m, clamping sleeve 3~4 N・m

Wiring norms

5V DC, GND, A+/A-, B+/B-, Z+/Z-, DATA (absolute value) strictly correspond to SEW driver terminals

Shielded wire single-ended grounding to avoid electromagnetic interference

Maintenance points

No vulnerable parts, maintenance-free design

Avoid long-term immersion, strong corrosion, and operation at excessive temperature and speed

VII. Quality and warranty

Original factory certification: SEW original正品， with a unique serial number， traceable through the official website for verification

Warranty period： Industrial standard 12 months (starting from installation / commissioning)

Compliance certifications： CE， UL， cUL， RoHS， compliant with international industrial safety standards