The EN series rotary optical encoder from Bourns delivers a two‑channel quadrature output (gray code) with an optional index channel, suitable for high‑speed applications. It offers resolutions up to 256 PPR and operates from a 0.0 VDC + 0.25 VDC supply, with a maximum supply current of 26 mA.
Mechanical and environmental specifications include an operating temperature range of –40 °C to +85 °C, vibration resistance of 5 G, shock resistance of 50 G, and a rated torque of up to 1.5 oz‑in. The encoder is available with various bushing styles and can achieve a rotational life of up to 10 million revolutions.
| Supply Voltage | 0.0 VDC + 0.25 VDC |
|---|---|
| Supply Current | 26 mA max |
| Low Output Voltage | 0.8 V max |
| High Output Voltage | 4 V min |
| Rise/Fall Time | 200 ns typical |
| Vibration Rating | 5 G |
| Shock Rating | 50 G |
| Resolution | up to 256 PPR |
| Rotational Life | 10 000 000 revolutions |
It provides a two‑channel quadrature (gray code) output with an optional index channel.
The encoder operates from a supply voltage of 0.0 VDC + 0.25 VDC, with factory options up to 15 VDC.
The encoder can be configured for resolutions up to 256 PPR.