OMRON E2EW Welding Proximity Sensor for Aluminum & Iron

OMRON E2EW Welding Proximity Sensor for Aluminum & Iron

The OMRON E2EW Series is a rugged welding proximity sensor family engineered for dependable metal detection in demanding industrial environments. Designed for applications where iron and aluminum parts may appear on the same production line, the E2EW range helps simplify sensor selection while improving detection stability. This series includes DC 2-wire and DC 3-wire models, with single-distance, double-distance, triple-distance, and quadruple-distance configurations depending on model type. Available in M12, M18, and M30 threaded bodies, the E2EW family supports a wide range of machine layouts in welding, assembly, handling, and automated manufacturing systems.

Built for durability and uptime, the E2EW Series combines a full metal body, strong environmental protection, and configuration flexibility for OEMs and maintenance teams alike. Premium models add advanced capabilities such as equivalent sensing performance for iron and aluminum, current magnetic field pulse noise cancellation, IO-Link support, and NO+NC output options. For harsher welding environments, selected E2EW-Q variants feature spatter-resistant fluororesin coating technology designed for long-term resistance to weld spatter buildup. With pre-wired, M12 connector, and Smartclick connection options, the E2EW Series is an SEO-worthy choice for businesses looking for industrial welding sensors, metal detection proximity sensors, and heavy-duty inductive sensing solutions.

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SKU E2EW Category

Why the E2EW Series Is a Strong Choice for Welding and Metalworking Automation

  1. Stable Detection for Mixed-Metal Production Lines

    • Premium E2EW models are designed to provide equivalent sensing distances for both iron and aluminum.
    • This helps machine builders create a more common sensor design across mixed-material production lines.
    • Stable metal detection reduces setup complexity when different metal targets are used in the same process.

  2. Built for Harsh Welding Environments

    • The E2EW family features a durable full metal body for long-term industrial use.
    • Selected E2EW-Q models include spatter-resistant fluororesin coating to resist weld spatter adhesion.
    • This added durability can help reduce unexpected stoppages and sensor replacement frequency.

  3. Extended Sensing Distance for Greater Installation Flexibility

    • The series includes single-, double-, triple-, and quadruple-distance models depending on the version selected.
    • Longer sensing distances provide more tolerance in machine design and mounting position.
    • Greater sensing margin can help reduce false detections and improve process reliability.

  4. Flexible Output and Wiring Options for Easier Integration

    • E2EW sensors are available in DC 2-wire and DC 3-wire models to match different control system preferences.
    • DC 3-wire versions are offered in PNP, NPN, NO, NC, and NO+NC configurations.
    • DC 2-wire models support polarity and no-polarity versions on selected connector configurations.

  5. Advanced Features for Smart Factory Applications

    • Premium DC 3-wire models support IO-Link on applicable versions for enhanced communication and diagnostics.
    • IO-Link functions include operation mode switching, internal temperature readout, operating hour monitoring, and diagnostic features.
    • The series also includes a function that helps cancel pulse noise from current magnetic fields, which is especially useful in welding environments.

  6. Maintenance-Friendly Design for Faster Replacement

    • Laser-printed information on applicable models helps technicians identify sensing distance and model details quickly.
    • Pre-wired, M12 connector, and Smartclick connector options simplify installation and changeout.
    • Standard accessories such as clamping nuts and toothed washers support straightforward mounting.

Technical Specifications of the E2EW Welding Proximity Sensor Family

SpecificationDetails
Product SeriesE2EW Welding Proximity Sensor Series
Sensor TypeInductive proximity sensor for industrial metal detection
Primary Application FocusWelding lines, mixed-metal lines, industrial automation
Detectable MaterialsFerrous and non-ferrous metals, depending on target material and model
Special Detection CapabilityPremium models support equivalent sensing behavior for iron and aluminum
Available Model GroupsSingle-distance, double-distance, triple-distance, quadruple-distance
Available VersionsStandard E2EW and spatter-resistant E2EW-Q variants
Output TypesDC 2-wire and DC 3-wire
DC 3-Wire Output OptionsPNP open collector, NPN open collector
DC 3-Wire Operation ModesNO, NC, NO+NC
DC 2-Wire Operation ModesNO and NC
DC 2-Wire Polarity OptionsPolarity and no-polarity models on selected versions
Available SizesM12, M18, M30
Sensing Distances — Premium Quadruple7 mm (M12), 12 mm (M18), 22 mm (M30)
Sensing Distances — Premium Triple6 mm (M12), 10 mm (M18), 20 mm (M30)
Sensing Distances — Basic Double3 mm (M12), 7 mm (M18), 12 mm (M30)
Sensing Distances — Basic Single2 mm (M12), 5 mm (M18), 10 mm (M30)
Power Supply Voltage10 to 30 VDC
DC 2-Wire Leakage Current0.8 mA max.
DC 2-Wire Load Current3 to 100 mA
DC 3-Wire Load CurrentUp to 200 mA for 1-output models; up to 100 mA for 2-output models
Response Frequency — Premium Models2 Hz average
Response Frequency — Basic ModelsApproximately 40 to 100 Hz, depending on model
Protection CircuitsSurge suppressor, output short-circuit protection, and reverse polarity protection on applicable models
Temperature RangeOperating: 0 to 85°C; Storage: -15 to 85°C
Humidity Range35% to 95% RH, non-condensing
Degree of ProtectionIP67
Connection OptionsPre-wired, M12 connector, M12 pre-wired Smartclick connector
Standard Cable Lengths2 m pre-wired, 0.3 m Smartclick connector
Optional Cable Length5 m on selected models
Housing MaterialStainless steel SUS303
Spatter-Resistant MaterialFluororesin coating over base stainless steel on E2EW-Q models
Sensing SurfaceStainless steel or fluororesin-coated stainless steel, depending on model
Smart FeaturesIO-Link on applicable Premium models
CertificationsUL, CSA, CE
Included AccessoriesInstruction manual, clamping nuts, toothed washer

Best-Fit Applications for the E2EW Welding Sensor Range

The E2EW Series is especially well suited for industrial systems that need reliable proximity sensing around weld zones, metalworking stations, and mixed-material automation lines. Its combination of rugged construction, flexible outputs, and available spatter-resistant designs makes it a strong fit for both new equipment builds and replacement sensor programs.

  • Robotic welding cells
  • Automotive body and chassis assembly lines
  • Metal fabrication and processing equipment
  • Mixed iron and aluminum production lines
  • Fixture and clamp position detection
  • End-of-stroke sensing on welding machinery
  • Part presence detection in harsh manufacturing environments
  • Conveyor and transfer systems handling metal components
  • OEM machine designs requiring stainless steel proximity sensors
  • Applications needing spatter-resistant proximity sensing near weld areas
E2EW Datasheet

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