Omron E3T-FT22 2M Photoelectric Sensor
Omron E3T-FT22 2M is an ultrathin through-beam photoelectric sensor designed for sensing opaque targets across a maximum distance of 300 mm. A 650 nm red LED creates the optical path between the emitter and receiver, while the NPN open-collector output provides the switching state to compatible PLC inputs and control circuits. Dark-ON operation defines the specified logic, and operate or reset time is 1 ms max. The sensor operates from 12 to 24 VDC and includes a 2 m pre-wired cable. It can sense opaque targets from 1.3 mm diameter under the stated specification. Within the E3T Series, the E3T-FT22 2M provides the 300 mm Dark-ON configuration. Related miniature through-beam sensors can be reviewed across Omron Sensing Range.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3T-FT22 2M |
Omron E3T-FT22 2M Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Through-beam |
| Sensing Distance | 300 mm |
| Standard Sensing Object | Opaque, 1.3-mm dia. min. |
| Light Source | Red LED (650 nm) |
| Power Supply Voltage | 12 to 24 VDC , ripple (p-p) 10% max. |
| Output Configuration | NPN |
| Connection Method | Pre-wired 2 M cable |
| Current Consumption | 30 mA max. (Emitter 10 mA max., Receiver 20 mA max.) |
| Control Output | Load power supply voltage: 26.4 VDC max. Load current: 50 mA max. (residual voltage: 2 V max. for load current of 10 to 50 mA, 1 V max. for load current of less than 10 mA) Open-collector output |
| Operation Mode | Dark-ON |
| Response Time | Operate or reset: 1 ms max. |
| Indicators | Operation indicator (orange), Stability indicator (green) |
| Ambient Illumination | Incandescent lamp: 5,000 lx max., Sunlight: 10,000 lx max. |
| Ambient Temperature Range | Operating: −25 to 55°C Storage: −40 to 70°C (with no icing or condensation) |
| Ambient Humidity Range | Operating: 35% to 85% Storage: 35% to 95% (with no condensation) |
| Insulation Resistance | 20 MΩ min. at 500 VDC |
| Dielectric Strength | AC1,000V, 50/60 Hz for 1 min. |
| Vibration Resistance | 10 to 2,000 Hz, 1.5-mm double amplitude or 300 m/s2 for 0.5 hours each in X, Y, and Z directions |
| Shock Resistance | 1,000 m/s2 3 times each in X, Y, and Z directions |
| Protection Circuits | Power supply and control output reverse polarity protection, Output short-circuit protection |
| Degree Of Protection | IEC 60529 IP67 |
| Material | PBT (polybutylene terephthalate), Denatured polyarylate |
| Weight | Approx. 40 g |
The Omron E3T-FT22 2M Photoelectric Sensor uses through-beam sensing across a maximum distance of 300 mm for opaque targets. The sensing set uses the E3T-FT22-L emitter and E3T-FT22-D receiver. A 650 nm red LED establishes the beam between both sensing sides, while the NPN open-collector output transfers the switching state from the receiver to compatible PLC inputs and machine-control circuitry. Dark-ON operation defines the specified switching logic. The sensor operates from 12 to 24 VDC and consumes 30 mA max. in total, with 10 mA max. assigned to the emitter and 20 mA max. to the receiver. Operate or reset time is 1 ms max. A 2 m pre-wired cable provides connection, and the stated minimum opaque target diameter is 1.3 mm.
For an Omron Dark ON through beam photoelectric sensor requiring NPN output and 300 mm sensing, the corresponding model is the E3T-FT22. Output load current is specified at 50 mA max., with load supply voltage up to 26.4 VDC. Operating temperature extends from -25 to 55°C and storage from -40 to 70°C without icing or condensation. Reverse-polarity and output short-circuit protection are listed. PBT and denatured polyarylate are specified among the materials, while IP67 protection is stated. Its specification also fits searches for an Omron 300 mm NPN sensor and Omron ultrathin through beam sensor. For the related Light-ON version using the same sensing distance and output type, see E3T-FT21 2M.
