Quantum Devices, Inc. Product
Member Since 2015
Quantum Devices, Inc. is a USA based manufacture of the QPhase optical incremental encoders. The QPhase series offers line counts up to 20,000 ppr and sinusoidal outputs. Rounding out the QPhase series is the QM35 and QML35 our new low profile, high performance modular encoders
Product filed under:
Encoders / Resolvers / Tachometers and Sensors & Feedback Devices Encoders / Resolvers / Tachometers and Sensors & Feedback Devices
QML35 is a high-performance, low-profile bearingless modular encoder for high-volume OEM motion control, competitively priced. It offers resolutions up to 8192 lines, multiple commutation options, and a patented lock-n-twist mechanism that simplifies installation, reducing production time and cost.
Design Features:
- Bearingless modular design
- Single-ended electrical outputs
- Low profile assembled height of 0.43"
- Resolutions up to 8,192 lines per revolution
- 4, 6, 8, 10, 12, 14, 16, 18 or 20 pole commutation (others upon request)
- Easy Lock-n-Twist assembly feature
- Through shaft 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
Electrical Specifications
| Input Voltage | A = 5 VDC ± 5% B = 3.3 VDC ± 5% |
|---|---|
| Input Current Requirements | 65 mA typical, 100 mA max plus interface loads |
| Input Ripple | 2% peak to peak @ 5 VDC |
| Output Circuits | Single-ended TTL, sink or source 4 mA max (compatible with Renco PP option) |
| Incremental Output Format | Quadrature with A leading B for CCW rotation viewed from the encoder top |
| Max Operating Frequency | < 5000 PPR = 500 kHz or 15,000 RPM 5000 PPR – 7999 PPR = 675 kHz ≥ 8000 PPR = 1.0 MHz |
| Commutation Format | Three phase 4, 6, 8, 10, 12, 14, 16, 18 or 20 poles (other pole counts upon request) |
| Commutation Accuracy (UVW) | ± 2° mechanical |
| Interpolation Factors | 1000/1024 PPR = 2x 2000/2048 PPR = 4x 2500 PPR = 5x 4000/4096 PPR = 8x 5000/5120 PPR = 10x 8000/8192 PPR = 16x |
Environmental Specifications
| Storage Temperature | -40 to 125°C |
|---|---|
| Operating Temperature | -30 to 115°C |
| IP Rating | IP40 |
| Humidity | 90% Non-Condensing |
| Vibration | 20 g's @ 25 to 2,000 Hz |
| Shock | 100 g's @ 6 ms duration |
Mechanical Specification
| Bore Minimum Diameter | Bore size +0.0002" |
|---|---|
| Recommended Shaft Tolerance | +0.0000/-0.0005" |
| Minimum Shaft Engagement | 0.400" [10.2 mm] |
| Allowable Shaft Runout | 0.002" [0.05 mm] TIR (± 0.001" shaft radial play from initial shaft position of assembled encoder) |
| Allowable Axial Shaft Movement | ± 0.010" [± 0.25 mm] |
| Mounting | A = 1.280" bolt circle/size 15 resolver B = 1.812" bolt circle |
| Dynamic Commutation Adjustment Range | 30° mechanical |
| Moment of Inertia | 8.0E-6 oz·in·s² |
Other Products from Quantum Devices, Inc.
QR12 Series Incremental Encoders
QR12 optical encoder delivers improved feedback over modular encoders in a sub-one-inch package. Its bearing design boosts performance, with quadrature incremental outputs, index pulse, and three-phase commutation. A spring steel flex mount accommodates greater shaft runout and enables 30° commutation