Quantum Devices, Inc. Model QR12 Optical Encoder provides an improved Rotary Encoder feedback solution in applications traditionally using modular encoders. With an over all height of less than one inch and the stability of a bearing encoder design, the model QR12 Optical Encoder can provide significant performance upgrades in applications limited by modular encoders. Outputs consist of two incremental channels in quadrature with index pulse and three-phase commutation. A spring steel flex mount allows for much greater tail shaft run out and TIR than can be tolerated by modular encoder designs, while also providing 30 degrees of rotation for commutation timing.
| Storage Temperature | -40 to 125° C |
|---|---|
| Operating Temperature | -20 to 115° C |
| IP Rating | 40 |
| Humidity | 90% Non-Condensing |
| Vibration | 20 g's @ 50 to 500 CPS |
| Shock | 50 g's @ 11mS Duration |
| Through Shaft Diameter | 0.125", 0.1875", 0.250", 0.3125", 0.375", 3mm, 4mm, 5mm 6mm, 7mm, 8mm, 10mm Tolerance: -0.0000, + 0.0006” |
|---|---|
| Recommended Shaft Engagement | .50” Minimum |
| Radial Shaft Movement | 0.007" TIR |
| Axial Shaft Movement | ± 0.030" |
| Maximum Shaft Speed | 8000 RPM, Contact Customer Service for Higher RPM |
| Interface Connector | Connector: JAE P/N FI-W15P-HFE |
| Mounting | 1.280”, 1.575”, 1.812” Bolt Circle (Suggested Hardware #6-32 button head screws) |
| Moment of Inertia | 9.1 x 10⁻⁵ oz-in-S² |
| Acceleration | 1x10⁵ Radians per Second² |
| Accuracy | ± 1.5 arc minute |
| Input Voltage | 5 VDC ± 5% |
|---|---|
| Input Current Requirements | 65mA Typ., 100mA Max Plus Interface Loads |
| Input Ripple | 2% Peak to Peak @ 5 VDC |
| Output Circuits | (A) 26C31 RS 422A Line Driver (TTL Compatible) (B) ABZ Line Driver, UVW Open Collector (No U’ V’ W’) |
| Incremental Output Format | Quadrature with A leading B for CW rotation. Index Pulse true over A and B High. |
| Frequency Response | 500 kHz |
| Symmetry | 180 Degrees ± 10% Typical |
| Minimum Edge Separation | <4000PPR = 54 electrical degrees ≥4000PPR = 45 electrical degrees |
| Commutation Format | Three Phase 4, 6 or 8 poles |
| Commutation Accuracy | ± 1° mechanical |
| Input Voltage | 5 VDC ± 5% |
|---|---|
| Input Current Requirements | 65mA Typ., 100mA Max Plus Interface Loads |
| Input Ripple | 2% Peak to Peak @ 5 VDC |
| Output Circuits | (C) Sine/Cosine, Index & RS422 UVW (TTL Compatible) (D) Sine/Cosine, Index & UVW Open Collector |
| Incremental Output Format | Quadrature Sine/ Cosine with A leading B for CW rotation. Ungated Index Pulse. |
| Frequency Response | 500 kHz |
| Sine/Cosine & Index Amplitude | 1 Vpp ± 5% (Measured Differentially) |
| Commutation Format | Three Phase 4, 6 or 8 poles |
| Commutation Accuracy | ± 1° mechanical |
| Z channel to U channel | ± 1° mechanical |
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