Part of the Omron Photoelectric Sensors series — see the full model table, lifecycle status and replacement parts.
Omron E3FA-BP12 2M — 100 mm BGS Sensor
SKU: E3FA-BP12 2MUSD 20.00
M18 cylindrical background-suppression photoelectric sensor, 100 mm, PNP, 10-30 VDC, red LED, 2 m pre-wired PVC cable, IP67/IP69K.
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Product Overview
The Omron E3FA-BP12 2M is a compact M18 cylindrical background-suppression (BGS) photoelectric sensor with a 100 mm sensing distance, PNP output, and a 2 m pre-wired cable. It is manufactured by Omron Corporation. Hengyixin Automation ships this sensor from our Xiamen warehouse with a 30-day DOA return window and a datasheet PDF included in the box.
0.5 ms response time PNP open-collector output, 100 mA max load M18 cylindrical BGS photoelectric sensor, 100 mm short range 10 to 30 VDC supply, 30 mA current draw
Key specs: Model E3FA-BP12 2M; Sensing Method Background-suppression (BGS), fixed 100 mm; Sensing Distance 100 mm on 100 × 100 mm white paper (5 to 100 mm working range); Light Source Red LED, 624 nm, modulated; Output Type PNP open-collector transistor (sourcing); Output Current 100 mA max load; Operating Voltage 10 to 30 VDC (10% ripple max); Current Consumption 30 mA max.
Key Features
- 0.5 ms response time
- PNP open-collector output, 100 mA max load
- M18 cylindrical BGS photoelectric sensor, 100 mm short range
- 10 to 30 VDC supply, 30 mA current draw
- SKU: E3FA-BP12 2M
- Series: E3FA compact M18 photoelectric sensor
- Voltage: 10 TO 30 VDC
Best-Fit Applications
- Tray detection at the infeed of a pick-and-place station with a 50-100 mm drop
- Bottle-fill verification on a small-bottle line where a 300 mm diffuse sensor would over-trigger
- Carton-presence check on a short conveyor where a fixed background sits behind the target
Buying Checklist
- Pick the retro-reflective E3FA-RP11 2M for longer range (4 m) on shiny or wrap-around targets.
- Pick the E3FB-BP12 2M if you need a nickel-plated brass body for harsh mechanical or chemical environments.
- Pick the diffuse-reflective E3FA-DP12 2M instead if the target has no background behind it — diffuse is cheaper.
Technical Specifications
| Model | E3FA-BP12 2M |
|---|---|
| Series | E3FA compact M18 photoelectric sensor |
| Sensing Method | Background-suppression (BGS), fixed 100 mm |
| Sensing Distance | 100 mm on 100 × 100 mm white paper (5 to 100 mm working range) |
| Light Source | Red LED, 624 nm, modulated |
| Output Type | PNP open-collector transistor (sourcing) |
| Output Current | 100 mA max load |
| Operating Voltage | 10 to 30 VDC (10% ripple max) |
| Current Consumption | 30 mA max |
| Response Time | 0.5 ms max |
| Connection | Pre-wired 2 m oil-resistant PVC cable |
| Housing Material | ABS plastic |
| Protection | IP67 / IP69K (IEC 60529) |
| Operating Temperature | -25 to +55 °C |
FAQ for E3FA-BP12 2M
What is the difference between E3FA-BP12 2M and E3FA-DP12 2M?
BP12 is background-suppression — it ignores anything beyond 100 mm, so a fixed background wall cannot latch the output. DP12 is plain diffuse-reflective — it sees anything that reflects light at any distance, including a background, and can false-trigger on a fixed wall. Pick BGS when the target is small or low-reflectivity and a background sits behind it.
What does the "2M" in the part number mean?
2M means a 2-metre pre-wired oil-resistant PVC cable. The sensor has no connector at the cable end — the wires are stripped and tinned, ready to land on a terminal block. For a detachable M8 or M12 connector, look at the E3FA-[]M1J or E3FA-[]M3J variants instead.
Can the E3FA-BP12 2M detect black or transparent objects?
BGS sensors depend on the target reflecting light back to the receiver. Dark or transparent targets reflect less light, and detection may be unreliable at the full 100 mm range. Shorten the working distance to 20-50 mm for dark surfaces, or switch to a retro-reflective sensor (E3FA-RP11 2M) with an MSR filter for transparent film.
Is the E3FA-BP12 2M the same sensor with or without a connector?
The 2M suffix is the pre-wired 2 m cable version. The same sensor in a connectorised body is the E3FA-BP12-M1J (M12 4-pin pigtail) or E3FA-BP12-M3J (M8 4-pin pigtail). All three have the same 100 mm BGS sensing and PNP output — only the cable end differs.
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