Pro-Range 360 PPR 2-Phase Optical Rotary Encoder with 1.5m Cable & Pull-Up Resistors

This encoder has 360 Pulses Per Revolution (PPR), meaning its optical disk has 360 slots. Because it outputs two channels (A and B) in quadrature, each pulse generates four state transitions (00, 01, 11, 10). Therefore, the Counts Per Revolution (CPR) is 360 PPR * 4 = 1440, providing higher resolution for precise position tracking when decoded by a microcontroller.

The encoder has open-collector outputs for Phase A (White) and Phase B (Green). Connect one 4.7KΩ resistor between the Red (VCC) wire and each of the White and Green signal wires. This pulls the signals high when inactive, providing clean logic levels. The shield (Golden) wire should be connected to your system's ground at one end only to prevent ground loops while shielding against EMI.

While a specific maximum frequency isn't stated, optical encoders with ASIC electronics like this one typically support high rotational speeds. The limiting factor is often the response time of the receiving circuitry (e.g., microcontroller interrupt speed). For reliable operation with 360 PPR, ensure your controller can process the interrupt frequency generated by your maximum RPM.

Yes, the cable can be extended, but it is critical to maintain signal integrity. Use high-quality, shielded cable and solder connections securely. Keep extensions as short as possible, and ensure the shield is continuous and properly grounded at the controller end to minimize noise pickup, which can cause erroneous counts in high-EMI environments.

The IP52 rating provides limited protection. It is dust-protected (first digit 5) and can withstand water droplets falling at up to a 15° angle (second digit 2). It is not waterproof against jets or immersion. It is suitable for indoor industrial environments with occasional condensation or light spray but should not be used in directly exposed outdoor or washdown applications.