Omron EE-SY672 Photomicrosensor
Omron EE-SY672 is a vertical reflective photomicrosensor designed for short-range sensing from 1 to 5 mm. A GaAs infrared LED with a peak wavelength of 940 nm directs light toward the target, and the returned optical signal is used to establish the sensing state. The NPN output supports selectable Light-ON or Dark-ON operation, while power is supplied from 5 to 24 VDC. Current consumption is specified at 40 mA, and the output supports a maximum load current of 100 mA. A red light indicator provides visual operating status, while a special connector provides the electrical interface. For vertical reflective sensing, the EE-SY672 belongs to the short-range reflective sensor range from Omron Industrial Sensors.

| Brand | Omron |
| Product | Photomicro Sensors |
| Model Number | EE-SY672 |
Omron EE-SY672 Photomicrosensor – Technical Specifications
| Specification | Value |
|---|---|
| Type | Vertical type |
| Sensing Method | Reflective |
| Sensing Distance | 1 to 5 mm |
| Light Source | GaAs infrared LED with a peak wavelength of 940 nm |
| Power Supply Voltage | 5 to 24 VDC |
| Control Output (Output Type) | NPN |
| Connection Method | Special Connector |
| Current Consumption | 40 mA |
| Operation Mode | Dark-ON/Light-ON |
| Control Output (Residual Voltage) | at 100 mA load current: 0.8 V max. at 40 mA load current: 0.4 V max. |
| Control Output (Load Current) | 100 mA max. |
| Indicator | Light indicator (red) |
| Luminous Method | Non-modulated |
| Ambient Temperature (Operating) | -25 to 55 ℃ |
| Ambient Temperature (Storage) | -30 to 80 ℃ |
| Ambient Humidity (Operating) | 5 to 85 % |
| Ambient Humidity (Storage) | 5 to 95 % |
| Vibration Resistance | Destruction: 20 to 2000 Hz, peak acceleration 100 m/s2, 1.5-mm double amplitude 2 h each in X, Y, and Z directions (4 min periods) |
| Shock Resistance | Destruction: 500 m/s2 for 3 times each in X, Y, and Z directions |
| Degree Of Protection | IP50 |
| Material | Case: Polybutylene terephthalate (PBT) Emitter/Receiver: Polycarbonate (PC) |
The Omron EE-SY672 Photomicrosensor uses a vertical reflective sensing arrangement across a specified 1 to 5 mm range. A GaAs infrared LED with a peak wavelength of 940 nm directs light toward the target, and the returned optical signal is evaluated by the sensing element from the same side. The sensor operates from 5 to 24 VDC and provides an NPN output with selectable Light-ON or Dark-ON operation. Current consumption is specified at 40 mA. Maximum load current is 100 mA, while residual voltage is listed as 0.8 V maximum at a 100 mA load and 0.4 V maximum at 40 mA. A red light indicator provides visual operating status, and the optical arrangement is non-modulated. Electrical connection is provided through the specified special connector.
The EE-SY672 uses PBT for the case and polycarbonate for the emitter and receiver sections. Operating temperature ranges from -25°C to 55°C, while storage extends from -30°C to 80°C. Operating humidity is specified from 5% to 85%, with storage humidity from 5% to 95%. Mechanical ratings include vibration from 20 to 2,000 Hz under the stated test procedure and shock resistance of 500 m/s² three times along each axis. The enclosure is rated IP50. Its vertical sensing direction distinguishes this model from the horizontal EE-SY671 while retaining the same 1 to 5 mm range, NPN output, selectable switching modes, and 100 mA maximum load current. For the related horizontal version, refer to the Omron EE-SY671.


