The Quantum Devices EZ-Comm system is the fastest and most economical way to align an optical encoder’s commutation channels to a motor. EZ-Comm was designed as a programmable encoder to reduce assembly cost for high volume manufacturing. By eliminating multiple steps from the typical timing of an encoder and motor, EZ-Comm saves manufacturing time and reduces assembly cost. EZ-Comm is integrated into the high performance, low profile modular design of the QML35. QML35 EZ-Comm optical rotary encoder is ideal for high volume OEM applications and priced competitively for all sizes of motion control projects. As simple as a push of a button, EZ-Comm is the newest and simplest way to commutate your BLDC motors.
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| Input Voltage | 5 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 1000LC-10P, 1024LC-10P, 2000LC-10P, 2048-10P and 2048LC-14P = 7000 RPM |
| Commutation Format | Three phase 4, 6, 8, 10 or 14 poles (other pole counts upon request) |
| Commutation Accuracy (UVW) | See Specification Sheet |
| Interpolation Factors | 1000/1024 PPR = 2x 2000/2048 PPR = 4x 2500 PPR = 5x 4000/4096PPR = 8x 5000 = 10x |
| 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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