SL-A12

Series:	*
Part Status:	Active
Mounting Type:	--
Package / Case:	Module, Pre-Wired

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Optical Sensors - Photointerrupters - Slot Type - Logic Output

Photointerrupters are an opto-electronic device group that utilize a light beam coupled with a receiver to detect the presence or absence of objects. The SL-A12 is a compact photointerrupter, also called a slot type logic output. This type of photointerrupter ensures reliable switching performance and low power consumption.

Application Field

The SL-A12 is suitable for a wide variety of applications. Main uses include sensing the presence or absence of objects, monitoring speed, precision positioning, and safety interlock for machinery. It is a must-have component for industrial, automotive, and home automation systems. The SL-A12 is rated for reliable operation over a wide temperature range from –25 to +70°C.

Working Principle

The SL-A12 consists of a light source and a light receptor integrated into a compact housing. Optically coupled across two opposite slots, the source emits a light beam, which is received by the receptor. When an opaque object intrudes into the slot, the light beam is interrupted, and the output state switches from low to high or vice versa.The SL-A12 is designed to have a minimum of 0.5 mm gap between the source and receiver. It is available in two options: one with a logic open output when the light is blocked, and another with a logic low output when the light is blocked. It has a long sensing range of 9.5 mm, and its fast response time is as low as 10 µs. Furthermore, the SL-A12 features both power-saving and noise rejection circuitry, allowing for reliable and robust operation without any false triggering.

Key Features

The key features of the SL-A12 include:

• Long sensing range: 9.5 mm
• Fast response time: 10 µs
• No false triggering
• High temperature tolerance: -25 to +70°C
• Low power consumption
• Compact form factor

Conclusion

The SL-A12 slot type logic output photointerrupter is a reliable, robust, and cost-effective opto-electronic sensing solution. It provides precise detection and accurate switching performance for a wide variety of industrial and manufacturing applications. Due to its fast response time, wide operating temperature range, and low power requirements, the SL-A12 is often the go-to choice for many industrial automation systems.

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