1. Workpiece background discrimination
Use in a workpiece background discrimination station in a production machine.
Check target dimensions, sensing geometry, mounting, wiring and controller compatibility during machine design.
Omron E3T-FL21 2M: NPN BGS sensor with 1 to 30 mm sensing range, Light-ON
output and 2 m cable. Supply status not established.
The Omron E3T-FL21 2M is a compact E3T background-suppression reflective sensor with a red 650 nm LED. Its sensing range is 1 to 30 mm on specified white paper; the model provides NPN output with Light-ON operation, a 12–24 V DC supply and standard 2 m cable.
NPN BGS sensor with 1 to 30 mm sensing range, Light-ON output and 2 m cable.
NPN BGS sensor with 1 to 30 mm sensing range, Light-ON output and 2 m cable.
| Parameter | Value |
|---|---|
| Sensing method | BGS-reflective |
| Sensing distance | 1 to 30 mm (50 × 50 mm white paper) |
| Light source | Red LED, 650 nm |
| Output | NPN open collector; Light-ON; 50 mA max. |
| Supply voltage | 12–24 VDC ±10%; ripple 10% max. |
| Current consumption | 20 mA max. |
| Response time | 1 ms max. |
| Connection | Pre-wired cable, 2 m |
| Protection | IP67 |
| Weight | Approx. 20 g packed |
| Physical Weight (kg) | Approx. 0.020 kg packed |
| Dimensions L x W x H (cm) | Refer to Omron FL-series outline drawing |
Engineering suggestions require suitability checks for your installation.
Use in a workpiece background discrimination station in a production machine.
Check target dimensions, sensing geometry, mounting, wiring and controller compatibility during machine design.
Apply the Omron component to a small-part positioning task.
Validate operation on representative parts and confirm environmental and installation limits against Omron documentation.