Quantum Devices Model QR200 incremental rotary encoder provides an improved rotary encoder feedback solution in applications typically using modular encoders. With an overall length of 0.93” and the stability of a bearing encoder design, model QR200 can provide significant performance upgrades in applications limited by traditional modular encoder solutions. Outputs consist of a quadrature with reference pulse and three-phase commutation, which can be configured with either the industrial standard 5 volt RS-422 Line Driver or the 5 to 26 volt OL7272 line driver. A flexible spring mount allows for much greater tail shaft run out than can be tolerated by modular encoder designs, plus it provides 30 degrees of rotation for commutation timing. A housing constructed of conductive carbon fiber composite provides the EMI shielding of an all metal housing and the performance of a lightweight robust assembly. Use QR200 with our QC201 Commutation Indicator for faster, easier motor encoder alignment.
Contact Quantum Devices for customization.
Note: prior to transitioning to RoHS-compliant, the product name was QD200 rather than QR200. Therefore, when cross-referencing a QD200 configuration, simply substitute the configuration prefix with QR200.
| Input Voltage | 5 VDC ±5% or 5-26 VDC |
|---|---|
| Input Current Requirements | 125 mA typical @ 5 VDC plus interface loads |
| Input Ripple | 2% peak to peak @ 5 VDC |
| Output Circuits | 01 = 26C31 line driver (RS-422) 02 = OL7272 high voltage line driver 03 = TTL output (single-ended) 04 = ABZ 26C31 line driver, UVW open collector *Other outputs (or combinations) upon request including open collector ABZ |
| Incremental Output Format | Quadrature with A leading B for CW rotation Index pulse centered over A for 2500 line count and below Index pulse true over A and B high for 2500 line count and above |
| Max Operating Frequency | 500 kHz |
| Symmetry | 180° electrical ± 10% typical |
| Minimum Edge Separation | 54° electrical |
| Commutation Format | Three phase 4, 6 or 8 poles (other pole counts upon request) |
| Commutation Accuracy | ±1° mechanical |
| Storage Temperature | -40 to 125°C |
|---|---|
| Operating Temperature | -20 to 100°C typical -20 to 120°C optional |
| Humidity | 98% non-condensing |
| Vibration | 20 g's @ 50 to 500 CPS |
| Shock | 50 g's @ 11 ms duration |
| Maximum Shaft Speed | 8000 RPM |
|---|---|
| Bore Diameter (Tolerance) | 0.375", 0.4375", 0.500", 0.625", 8 mm, 12 mm, 14 mm (-0.0000, + 0.0005) |
| Allowable Shaft Runout | 0.007" TIR |
| Axial Shaft Movement | ±0.030" |
| Housing | Carbon fiber composite (case ground via cable) |
| Housing Volume Resistivity | 10⁻² ohm·cm |
| Termination | 15 conductor cable, 28 AWG 18" long 9 conductor cable for non-commutated and TTL outputs |
| Mounting | 1.812", 2.375" bolt circle or size 21 resolver |
| Moment of Inertia vs. Bore Diameter | Ø0.375" (6.5 x 10⁻⁴ oz·in·s²) Ø0.500" (6.0 x 10⁻⁴ oz·in·s²) Ø0.625" (5.1 x 10⁻⁴ oz·in·s²) |
| Acceleration | 1x10⁵ radians/s² |
| Accuracy | ± 1.0 arc minute |
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Consult factory for configurations not shown (e.g. resolution, commutation, etc.).
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