R84 Series Reflective Optical Encoder | Dual-Channel | Compact Design | TTL Compatible（5PCs）
$101.10
FEATURES
- Reflective Technology: Uses reflective technology for control.
- Temperature Range: Operates from -20°C to +85°C.
- Various LPI Options: Available in multiple resolutions measured as Lines Per Inch (LPI): 40, 75, 90, 150, 180, 300, 360, 508, *600, *720, 900. ( requires custom high-reflectivity code wheel)
- TTL-Compatible Output: Can interface with most signal processing circuits.
- 5V Power Supply: Operates on a 5V power supply.
- Small Surface-Mount Package: Compact design suitable for surface mounting with dimensions 3.28mm x 3mm.
- Dual-Channel Quadrature Output: Provides direction sensing capabilities.
Overview
The Nozomotion R84 series is a compact optical encoder utilizing reflective technology. It incorporates an LED light source and a photodetector circuit within a single package. The R84 series offers dual-channel quadrature digital output, making it compatible with most signal processing circuits due to its TTL compatibility. Various resolutions are available, ensuring versatility for different applications.
Maximum Environment
Parameter | Specification |
Storage Temperature (Ts) | -40°C to +85°C |
Operating Temperature (TA) | -20°C to +85°C |
Power Supply Voltage (Vcc) | 4.5V to 7V |
Output Voltage (Vo) | 0V to Vcc |
Maximum Output Current per Channel (Iout) | 20mA |
Electrical Characteristics
Parameter | Symbol | Min. | Typ. | Max. | Units | Condition |
Detector Supply Current | ICC | - | 10 | 20 | mA | |
Low Level Output Voltage | VOL | - | - | 0.4 | V | IOL = 0.8 mA |
High Level Output Voltage | VOH | 2.4 | - | - | V | IOH = –0.2 mA |
Rise Time | tr | - | - | 200 | ns | CL = 20 pF, RL = 10 kΩ |
Fall Time | tf | - | - | 100 | ns | CL = 20 pF, RL = 10 kΩ |
Pin Definition
Pin Name | Function | Input/Output |
1 | LED+ | |
2 | VCC | |
3 | A | |
4 | B | |
5 | GND | |
6 | LED- |
Applications
- Printers: Ensures accurate position detection in printing devices.
- Copiers: Provides reliable position encoding for copiers.
- Card Readers: Suitable for precise card reading systems.
- DC Motors: Ideal for position sensing in DC motor applications.
- Stepper Motors: Ensures accurate feedback for stepper motor operations.
- Factory Automation: Used in industrial automation systems for motion control.
- Note: This product is not recommended for life-safety-related applications, such as braking systems.
Drawing 4mm solid shaft (Above)
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