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QML35

  • Overview
  • Specifications
  • Info & Pricing
Overview

About QML35

Quantum Devices, Inc. Model QML35 is a high performance, low profile bearingless encoder ideal for high volume OEM applications and priced competitively for all sizes of motion control projects. The QML35’s versatile electrical configurations include line counts up to 8192 and several commutation options. The QML35’s patented lock-n-twist mechanism simplifies installation, saving production time and money. The QML35 low profile bearingless encoder is the newest solution to your motion control needs.

Design Features:

  • Bearingless encoder design
  • Low profile assembled height
  • Resolutions up to 8192 lines per revolution
  • 4, 6, 8 or 10 pole commutation
  • Easy lock-n-twist assembly feature
  • Through bore sizes up to 0.375" diameter
  • Up to 1Mhz frequency response
  • High noise immunity
  • RoHS construction
  • Hub to shaft uses two 3-48 set screws
  • Hermetically sealed LED
  • Multiple mounting options including resolver size 15
Specifications

Electrical Specifications

Input Voltage 5 VDC ± 5% or 3.3v ± 5%
Input Current Requirements 65mA typ., 100mA max plus interface loads
Input Ripple 2% peak to peak @ 5 VDC
Output Circuits TTL- sink or source 4ma max. Compatible with Renco PP option.
Incremental Output Format Quadrature A leading B for CCW rotation viewed from encoder top.
Max Operating Frequency < 5000PPR = 500Khz or 15,000RPM
5000PPR – 7999PPR = 675Khz
≥ 8000PPR = 1.0Mhz
Commutation Format Three phase 4, 6, 8 or 10 poles
Commutation Accuracy ± 2° mechanical
Interpolation Factors 1000/1024PPR = 2x
2000/2048PPR = 4x
2500PPR = 5x
4000/4096PPR = 8x
5000/5120PPR = 10x
8000/8192PPR = 16x

Environmental Specifications

Storage Temperature -40 to 125° C
Operating Temperature -30 to 115° C
IP Rating 40
Humidity 90% Non-condensing
Vibration 20 g's @ 25 to 2,000 Hz
Shock 100 g's @ 6mS Duration

Mechanical Specification

Bore Minimum Diameter Bore size +0.0002"
Recommended Shaft Tolerance +0.0000/-0.0005"
Minimum Shaft Engagement 0.400" [10.2mm]
Allowable Shaft Run Out 0.002" [0.05mm] TIR [±0.001" shaft radial play from initial shaft position of assembled encoder]
Allowable Axial Shaft Movement ±0.010" [±0.25mm]
Mounting 1.280" bolt circle/size 15 resolver
1.812" bolt circle
Dynamic Commutation Adjustment Range 30° mechanical
Moment of Inertia 8.0 x 10⁻⁶ oz-in-S²
Info & Pricing

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