OMRON E3JK-DS30M1 – Diffuse Reflective Photoelectric Sensor | E3JK Series
Engineering Background: The OMRON E3JK Series represents one of the most widely deployed photoelectric sensor families in industrial automation globally. Designed for harsh factory environments, the E3JK-DS30M1 delivers reliable non-contact object detection with a diffuse reflective sensing method, eliminating the need for a separate reflector or receiver unit. This makes it the preferred choice for machine builders and system integrators requiring fast, flexible installation on conveyor lines, packaging machinery, and assembly stations.
Product Positioning: The E3JK-DS30M1 is a general-purpose diffuse reflective photoelectric sensor with a 30 m sensing range (under ideal conditions), dual NPN/PNP output compatibility, and wide-range AC/DC power supply input. It is engineered for procurement engineers sourcing proven, OEM-grade sensing components for MRO replacement or new machine builds.
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Model | E3JK-DS30M1 |
| Manufacturer | OMRON Corporation |
| Series | E3JK |
| Sensing Method | Diffuse Reflective |
| Sensing Distance | 30 m (max, white paper 300×300 mm) |
| Output Type | NPN / PNP (selectable) |
| Output Operation | Light-ON / Dark-ON (selectable) |
| Supply Voltage | 12–240 V AC/DC |
| Current Consumption | ≤ 15 mA (DC) / ≤ 30 mA (AC) |
| Load Current | ≤ 100 mA |
| Response Time | ≤ 30 ms |
| Protection Rating | IP67 |
| Operating Temperature | -25°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Housing Material | ABS Resin |
| Connection | Pre-wired cable (2 m) |
| Indicator | Operation indicator (orange), Stability indicator (green) |
| Weight | Approx. 100 g (with cable) |
| Certifications | CE, UL, CSA |
Proven Application Environments
- Conveyor & Material Handling: Object presence detection on high-speed conveyor lines, carton counting, and jam detection.
- Packaging Machinery: Label verification, fill-level detection, and package positioning on VFFS and HFFS lines.
- Automotive Assembly: Part presence confirmation on robotic assembly cells and transfer lines.
- Food & Beverage: IP67-rated housing withstands washdown environments; suitable for bottle and can detection.
- Semiconductor & Electronics: PCB and tray detection in SMT and test handler equipment.
- Warehouse Automation: Pallet and bin detection in AS/RS and AGV systems.
Engineering Advantages
- Wide Voltage Range (12–240 V AC/DC): Single SKU covers both AC and DC machine architectures, reducing spare-parts inventory complexity.
- Selectable NPN/PNP Output: Compatible with both sinking and sourcing PLC input cards without rewiring.
- IP67 Ingress Protection: Fully dust-tight and protected against temporary immersion; suitable for washdown and outdoor enclosures.
- Dual Indicator LEDs: Orange operation indicator and green stability indicator enable rapid field commissioning and fault diagnosis without test equipment.
- Compact E3JK Form Factor: Industry-standard housing dimensions ensure direct drop-in replacement for legacy E3JK installations.
- OMRON Global Support: Backed by OMRON’s worldwide service network, documentation library, and long-term product lifecycle commitment.
System Architecture & Signal Flow
The E3JK-DS30M1 integrates directly into standard PLC-based control architectures:
- Power Supply: Connect L/N (AC) or +V/0V (DC) to the sensor’s supply terminals. The wide-range input accepts 12–240 V without a separate power conditioner.
- Output Wiring: The output wire connects to a PLC digital input card. Select NPN (sinking) or PNP (sourcing) via the output selector switch to match the PLC input type.
- Light-ON / Dark-ON Selection: The operation mode switch configures the output logic — Light-ON energizes the output when the beam is reflected; Dark-ON energizes when the beam is interrupted.
- Sensitivity Adjustment: The front-panel potentiometer sets the detection threshold, compensating for target surface reflectivity variations.
- Status Monitoring: The green stability indicator confirms the sensor is operating within its reliable detection margin, enabling predictive maintenance before nuisance trips occur.
Sourcing & Quality Verification
- OEM Origin: All E3JK-DS30M1 units sourced by Konmask.com are procured through authorized OMRON distribution channels or verified OEM supply chains.
- Authenticity Checks: Each unit undergoes visual inspection of OMRON holographic labels, date codes, and packaging integrity prior to dispatch.
- Traceability: Lot numbers and date codes are recorded and available upon request for quality-critical applications.
- Condition: New-in-box (NIB) unless explicitly stated as refurbished or tested-used in the listing.
- Documentation: OMRON original datasheet and wiring diagram available for download upon order confirmation.
Procurement Process
- Step 1 – Confirm Quantity & Lead Time: Contact us via the form below or email [email protected] with your required quantity and delivery timeline.
- Step 2 – Quotation: We provide a formal quotation within 1 business day, including unit price, shipping cost, and estimated delivery date.
- Step 3 – Order Confirmation: Place your order via the Shopify checkout or request a proforma invoice for bank transfer payment.
- Step 4 – Dispatch & Tracking: Orders are dispatched within 1–3 business days. A tracking number is provided via email upon shipment.
- Step 5 – After-Sales Support: 12-month warranty on all new units. Technical support available via email or phone.
Technical FAQ
Q: Can the E3JK-DS30M1 detect transparent objects?
A: Diffuse reflective sensors have limited performance on transparent targets. For transparent object detection, consider OMRON’s E3JK-R series (retroreflective) or through-beam models.
Q: Is the output short-circuit protected?
A: Yes. The E3JK-DS30M1 incorporates output short-circuit protection and reverse polarity protection (DC models).
Q: What is the minimum object size detectable?
A: Minimum detectable object size depends on sensing distance and target reflectivity. Refer to the OMRON E3JK datasheet sensing diagram for your specific application geometry.
Q: Can I use this sensor outdoors?
A: The IP67 rating permits outdoor use in sheltered installations. Avoid direct prolonged UV exposure and ensure the lens is shielded from direct sunlight to prevent false triggering.
Q: What is the difference between E3JK-DS30M1 and E3JK-DS30M2?
A: The M1 suffix typically denotes a 2 m pre-wired cable; M2 denotes a connector-type termination. Verify with the OMRON datasheet for your regional variant.
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