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. Patented lock-n-twist mechanism simplifies installation, saving production time and money. The QML35 optical encoder is the newest solution to your motion control needs. Use QML35 with our QC201 Commutation Indicator for quick and accurate motor encoder alignment.
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| 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 or 18 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 |
| 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 @ 6ms Duration |
| 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 | 8.0 x 10⁻⁶ oz·in·s² |
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Consult factory for configurations not shown (e.g. resolution, commutation, etc.).
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