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The Pro-Range 360 PPR 2-Phase Optical Rotary Encoder by Pro-Range is a mid-range rotary encoder designed for everyday users. It features Model No. / Name: Rotary Encoder and Pulse Per Revolution (PPR): 360.
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About This Product
The Pro-Range 360 PPR 2-Phase Optical Rotary Encoder by Pro-Range is a mid-range rotary encoder designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Model No. / Name: Rotary Encoder
- Pulse Per Revolution (PPR): 360
- Counts Per Revolution (CPR): 1440
- Operating Temperature (°C): -24 to 84
- Output Phase: AB
- Protection Standard: IP52 — protected against splashes and rain
- Shaft Type: Solid, D Type
- Shaft Length (mm): 12
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The Encoder comes with a Standard 1.5 m cable length which can be extended with extra cable if needed.
Consider Adding Pull up resistor to both the A and B phases of the encoder output to avoid the effect of interference in output and get the precise logical output value from the encoder. Also adding a pull-up resistor to all phase output lines protects the open collector output-triode from damage due to direct Vcc supply short circuit.
Note: A sample tutorial code has been given in the Description Section.
Power and Input Terminal Assignments:
| Terminal Name | Wire Color | Description |
| Phase A | White | Quadrature encoded output A |
| Phase B | Green | Quadrature encoded output B |
| VCC | Red | VCC should be connected to +ve 5V of supply |
| GND | Black | The ground should be connected to the negative supply |
| Shield | Golden | The shield should be connected to GND |
Features :
- High cost-efficient advantages.
- Incremental rotary encoder internal adopts ASIC devices
- High reliability, long life
- Anti-jamming performance
- Small size, lightweight, compact structure
- Easy installation
- Stainless steel shaft, High resolution, High quality, line interface with waterproof protection
Tutorial Code:
//these pins can not be changed 2/3 are special pins int encoderPin1 = 2; int encoderPin2 = 3; volatile int lastEncoded = 0; volatile long encoderValue = 0; long lastencoderValue = 0; int lastMSB = 0; int lastLSB = 0; void setup() { Serial.begin (9600); pinMode(encoderPin1, INPUT); pinMode(encoderPin2, INPUT); digitalWrite(encoderPin1, HIGH); //turn pullup resistor on digitalWrite(encoderPin2, HIGH); //turn pullup resistor on //call updateEncoder() when any high/low changed seen //on interrupt 0 (pin 2), or interrupt 1 (pin 3) attachInterrupt(0, updateEncoder, CHANGE); attachInterrupt(1, updateEncoder, CHANGE); } void loop(){ //Do stuff here Serial.println(encoderValue); delay(1000); //just here to slow down the output, and show it will work even during a delay } void updateEncoder(){ int MSB = digitalRead(encoderPin1); //MSB = most significant bit int LSB = digitalRead(encoderPin2); //LSB = least significant bit int encoded = (MSB << 1) |LSB; //converting the 2 pin value to single number int sum = (lastEncoded << 2) | encoded; //adding it to the previous encoded value if(sum == 0b1101 || sum == 0b0100 || sum == 0b0010 || sum == 0b1011) encoderValue ++; if(sum == 0b1110 || sum == 0b0111 || sum == 0b0001 || sum == 0b1000) encoderValue --; lastEncoded = encoded; //store this value for next time }
