Part of the Omron Fiber-Amplified Photoelectric Sensors series — see the full model table, lifecycle status and replacement parts.
Omron E3X-NA41 2M — PNP Fiber
SKU: E3X-NA41 2MUSD 28.00
is a PNP digital fiber amplifier with 0.2ms response, IP50 housing, and 2m pre-wired cable
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Product Overview
The Omron E3X-NA41 2M is the PNP-output variant of the E3X-NA standard series. 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.
12-24VDC operation for broad control system compatibility Suitable for small-target and precision detection applications Supports high-speed response in repetitive automation tasks Works with fiber heads for constrained-space installations
Key specs: Model E3X-NA41 2M; Type Digital Fiber Amplifier; Output PNP open collector; Supply Voltage DC12-24V; Response Time 0.5ms; Cable Length 2m; Fiber Connection M3 threaded; Display LED indicators.
Key Features
- 12-24VDC operation for broad control system compatibility
- Suitable for small-target and precision detection applications
- Supports high-speed response in repetitive automation tasks
- Works with fiber heads for constrained-space installations
- SKU: E3X-NA41 2M
- Series: E3X
- Voltage: 24V
Best-Fit Applications
- Detecting label edge on transparent film in label applicator machines
- Counting pills in pharmaceutical bottling lines with 50 ms between parts
- Confirming part presence in small parts feeder bowls for assembly automation
Buying Checklist
- Up to 5 amplifiers side-by-side with optical sync — no programming required for multi-channel setups
- PNP output matches modern Omron PLCs with sinking inputs directly
- Manual potentiometer setup takes seconds, no teach button to navigate
Technical Specifications
| Model | E3X-NA41 2M |
|---|---|
| Series | E3X |
| Type | Digital Fiber Amplifier |
| Output | PNP open collector |
| Supply Voltage | DC12-24V |
| Response Time | 0.5ms |
| Cable Length | 2m |
| Fiber Connection | M3 threaded |
| Display | LED indicators |
| Operating Temperature | -25 to +55°C |
FAQ for E3X-NA41 2M
What's the difference between E3X-NA41 and E3X-NA11?
NA41 is PNP output (sources current); NA11 is NPN output (sinks current). The right pick depends on your PLC's input type. Most modern PLCs (Omron CP1, CJ2, NX) accept both, but the wiring differs — PNP to a sinking input, NPN to a sourcing input. The amplifier body, fiber compatibility, and response time are identical otherwise.
How do I set the sensitivity on the E3X-NA41?
Turn the 8-turn potentiometer on the front face. Watch the orange stability LED — it's lit when the received light is comfortably above the threshold. Turn the pot until the LED just turns on with the target present, then back off until it just turns off. The sweet spot is at the boundary where the LED blinks on the edge between detected and not detected.
Can I use the same E32 fiber head with NPN and PNP amplifiers?
Yes — the fiber head is just a passive light pipe. The amplifier you connect it to can be NA11 (NPN), NA41 (PNP), or any other E3X amplifier. The fiber head doesn't care about output type. So you can swap NPN for PNP by changing the amplifier only, without re-routing fibers.
What does the F suffix mean (E3X-NA41F)?
F = fast response. The NA41F has 50 microsecond response time vs 200 microseconds on the standard NA41. The F variants are for high-speed part counting (typically >5 kHz) or for very small objects passing through the beam at high speed. The trade-off is slightly worse low-contrast detection — pick F only when you need the speed.
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