EE-SX670A

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An EE-SX670A photointerrupter is an opto-electronic device that detects when an object passes through a space. It consists of a light source and a light detector and is typically used for open and close sensor applications, device positioning systems or for simple presence sensing applications. This type of sensor is ideal for long sensing distances, high-integrity detection, and simple installation.

Features:

• Model: EE-SX670A
• Slot type - logic output
• Light source: infrared LED (830 nm)
• Light receptor: matched phototransistor
• Source to detector distance: 8 mm
• Voltage: 6 to 24 Volts
• Current: 10 mA

Applications:

The EE-SX670A photointerrupters are used primarily in industrial applications, such as:

• Spool feeder systems
• Positioning of objects and devices
• Guard sensors for safety
• Discrepancies in dimension detecting
• Edge detection or sheet detection
• Circuit separation
• Industrial motors

Working principle:

The EE-SX670A photointerrupter utilizes an infrared light source and a matched photo-transistor detector pair. When an object passes through the space between these two components a beam of light is broken, triggering the photo-transistor to conduct. This prompts a normally open logic gate, forcing it to close. When the beam of light is restored, the logic gate return to its normally open state.

In addition, each EE-SX670A features an optional adjustable sensitivity and response time to match different requirements. This is done by simply adjusting the size of the light-receptor’s aperture. The distance between the light source and the light detector can also be adjusted with a simple centering mechanism.

The EE-SX670A is a robust opto-electronic device, designed to detect the position of objects with a long sensing distance, high-integrity detection, and simple installation. It can be used in a wide variety of industrial applications that require open/closed switching and/or object position sensing.

Pros/Cons:

• Pros
  - Long sensing distance
  - High-integrity detection
  - Adjustable sensitivity and response time
  - Simple installation
  
• Cons
  - May be susceptible to certain environmental factors (i.e. dust, dirt, humidity, etc)
  

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