Omron E3S-AT36 Through-Beam Photoelectric Sensor: Technical Guide and Application Manual
Some sensors look good on a catalogue page but disappoint in the field. The Omron E3S-AT36 Through-Beam Photoelectric Sensor is not one of them — 12-24V DC operating voltage, IP67 protection and proven durability in through-beam detection make it ready for real-world conditions.
Many engineers working with this product also specify other Omron Omron Sensor models on the same project. The shared ecosystem means cable standards and mounting accessories are compatible.
About the Omron E3S-AT36 Through-Beam Photoelectric Sensor
The Omron E3S-AT36 is a Through-Beam Photoelectric Sensor rated at 12-24V DC designed to reliably handle through-beam detection applications. Key engineering features include separate transmitter-receiver, sensing distance 3 m, high precision, ip67.
The engineering case for the Omron E3S-AT36 Through-Beam Photoelectric Sensor rests on clear advantages: separate transmitter-receiver, sensing distance 3 m, high precision, ip67. Voltage rating 12-24V DC, covers most industrial installation scenarios.
Specifications at a Glance
The table below summarises the main technical parameters of the Omron E3S-AT36. For complete specifications, refer to the official Omron product datasheet.
| Parameter | Value |
|---|---|
| Product Type | Through-Beam Photoelectric Sensor |
| Operating Voltage | 12-24V DC |
| Output Type | NPN/PNP |
| Output Current | 100 mA |
| Key Features | Separate transmitter-receiver, sensing distance 3 m, high precision, IP67 |
| Mounting | Screw mount |
| Lifetime | Semiconductor |
| Operating Temperature | -25°C to +55°C |
| Compatible Accessory | Mounting bracket, cable extension |
Industry Use Cases
The Omron E3S-AT36 Through-Beam Photoelectric Sensor is commonly specified for the following applications:
- Through-beam detection
- High-precision counting
- Conveyor monitoring
Across these use cases, the consistent requirement is reliable detection — often in environments where an unplanned fault would create significant disruption. The Omron E3S-AT36 is designed with exactly those conditions in mind.
Installation Checklist
The Omron E3S-AT36 Through-Beam Photoelectric Sensor follows standard industrial mounting practice. Before mounting, ensure the target surface is clean and free from metal debris. After mounting, test the signal output and verify that the LED indicator responds correctly.
For ongoing maintenance, keep the sensor lens clean, check cable connections, and periodically test that the LED indicator functions correctly. Early intervention avoids the much larger cost of an unplanned production stop.
Omron E3S-AT36: Long-Term Value
Omron’s reputation in automation did not come from clever advertising. It came from decades of sensors performing reliably in factories worldwide. The E3S-AT36 Through-Beam Photoelectric Sensor is a current embodiment of that engineering culture.
Frequently Asked Questions
What is the difference between the Omron E3S-AT36 and a mechanical limit switch?
The Omron E3S-AT36 Through-Beam Photoelectric Sensor performs contactless detection, meaning it requires no physical contact with the target. This means longer life and higher switching frequency.
How does temperature affect the Omron E3S-AT36?
The Omron E3S-AT36 Through-Beam Photoelectric Sensor delivers reliable performance across its specified operating temperature range. At extreme temperatures, sensing distance may shorten.
Can multiple Omron E3S-AT36 sensors be mounted side by side?
Yes, but leave sufficient spacing between sensors to avoid mutual interference (crosstalk). The minimum spacing is stated in the datasheet.
Does the Omron E3S-AT36 have a test function?
The Omron E3S-AT36 Through-Beam Photoelectric Sensor is equipped with an LED indicator, allowing you to visually monitor the sensor’s operating status.
What is the warranty period for the Omron E3S-AT36?
Omron provides a standard 12-month manufacturer warranty on products purchased through authorised distributors.