Omron E3Z-D82 — Diffuse-Reflective Sensor, 1 m, PNP, M8
SKU: E3Z-D82USD 23.00
Compact diffuse-reflective photoelectric sensor, 1 m range on 300 × 300 mm white paper, red LED, PNP open-collector output, M8 4-pin connector, IP67, 12-24 VDC.
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Product Overview
The E3Z-D82 is the M8-connector variant in the E3Z-D8x long-range (1 m) diffuse-reflective photoelectric family, with PNP open-collector output and a 660 nm red LED emitter. The 1 m sensing distance (rated with a 300 × 300 mm white paper target at 100 × 100 mm to 1 m working range) covers most conveyor-rail, parts-present-at-station, and bin-detection jobs without needing a separate retro-reflective target. The visible-red spot is the key to fast commissioning — you point, see the red dot on the target, and confirm aim before locking down the bracket.
Where the E3Z-D82 fits in the E3Z-D family
The E3Z-D8x family is the long-range (1 m) branch of the E3Z diffuse line: D82 = PNP M8-connector (this SKU), D81 2M = PNP pre-wired 2 m, D86 = PNP M8-connector (catalog -OMI suffix; the EU/US catalog number for the same product), D87 = NPN M8-connector (this SKU's NPN twin). Above the 1 m range the E3Z-D8x offers nothing; below it sits the E3Z-D6x wide-view family (D62 2M = NPN pre-wired 100 mm; D82 2M = PNP pre-wired 100 mm) which is the right pick for short-distance presence checks where you cannot reach 1 m.
M8 4-pin connector pinout, cable choices, and PNP wiring
The E3Z-D82 uses an M8 4-pin male connector on the rear face (the wire-pig-tail version is the E3Z-D82 2M). Pin assignment follows IEC 60947-5-2: pin 1 = +V (brown), pin 2 = not used / no connection (white), pin 3 = 0 V (blue), pin 4 = OUTPUT (black). On PNP versions, pin 4 sources positive voltage toward the PLC input (sourcing output — current flows out of pin 4 into the load).
Sensitivity adjustment, alignment, and application pitfalls
The single-turn trimmer on the rear face sets sensitivity. Mount the sensor 0.5 to 0.8 × the rated 1 m distance from the expected target position (so the target sits firmly inside the detection zone, not at the boundary where ambient-variation can drop out). With no target present, turn the trimmer all the way down — the yellow indicator must turn OFF. Then turn it up slowly until the indicator turns ON reliably with the target present, then add a quarter turn of headroom.
Key Features
- E3Z-D long-range diffuse-reflective photoelectric sensor
- PNP open-collector output, 100 mA max switching current
- Visible 660 nm red LED emitter — spot is visible for fast optical alignment
- Standard M8 4-pin male connector on rear face
- Single-turn sensitivity trimmer on rear face — 300° range
- 1 ms response time
- Operating voltage 12 to 24 VDC ±10 %
- Current consumption 30 mA max
- SKU: E3Z-D82
- Series: E3Z Compact Photoelectric Sensor with Built-in Amplifier
- Voltage: 24 VDC
- I/O: 100 I/O
Best-Fit Applications
- Carton-presence detection on a roller conveyor entry — sensor 0.7 m above conveyor, brown cardboard carton is the reflective target.
- Bin-fill level verification on a vibratory feeder bowl — sensor mounted inside the feeder tooling, target = level of parts.
- Pallet stack-height monitoring at the exit of a stretch-wrap station — E3Z-D82 detects the top of the load
- Door-open verification on a machine guard — E3Z-D82 aimed across the door frame at a reflector on the opposite jamb
Buying Checklist
- Pick E3Z-D82 for a 1 m PNP diffuse sensor with M8 4-pin connector — the IEC 60947-5-2 standard pinout
- Pick E3Z-D82 2M for the same sensor with a pre-wired 2 m cable
- Pick E3Z-D81 2M for a 100 mm short-range PNP pre-wired sensor
- Pick E3Z-D87 for an NPN sinking-output M8-connector variant
- Pick E3Z-D62 for an infrared LED variant — invisible emitter spot for security / theatre applications
- Pick E3Z-T81 / E3Z-T86 for through-beam 30 m range — required for large machinery or safety light curtains
Technical Specifications
| Model | E3Z-D82 |
|---|---|
| Series | E3Z Compact Photoelectric Sensor with Built-in Amplifier |
| Type | Diffuse-reflective, long-range (1 m) |
| Sensing Method | Diffuse-reflective (no reflector, no separate receiver) |
| Sensing Distance | 1 m with white paper 300 × 300 mm (100 × 100 mm at 0.1 m) |
| Light Source | 660 nm red LED, modulated, visible spot |
| Beam Spot Size | 15 mm at 1 m working distance (typical) |
| Output Type | PNP open-collector transistor (sourcing) |
| Output Current | 100 mA max (load current) |
| Output Voltage Rating | 24 VDC max (load supply) |
| Residual Voltage | 2 V max at 100 mA load |
| Leakage Current | 0.1 mA max (output OFF) |
| Operating Voltage | 12 to 24 VDC ±10 % (10 % p-p ripple max) |
| Current Consumption | 30 mA max |
| Operating Temperature | -25 to +55 °C (no condensation / icing) |
Resources & Downloads
FAQ for E3Z-D82
What's the difference between E3Z-D82 and E3Z-D86?
Functionally, none — the E3Z-D82 and E3Z-D86 are the same 1 m diffuse-reflective PNP M8-connector sensor; the D82 is the global catalog number (Omron Industrial Automation) and the D86 is the European-region catalog number suffix (-OMI / E3Z-D86 2M OMI). Both use the same red LED emitter, both have the same 100 mA PNP output, both have the same 1 ms response, both use the same M8 4-pin connector with IEC 60947-5-2 pinout.
What cable do I use with the E3Z-D82 M8 connector?
Use the Omron XS3F-M series M8 4-pin female-to-pigtail cable. The standard PVC variant is XS3F-M421-402-A (2 m PVC, oil-resistant, 4-conductor; wire colors brown = +V, white = pin 2 unused, blue = 0 V, black = OUTPUT per IEC 60947-5-2). For cable carriers or moving-machine applications where the cable flexes continuously, use XS3F-M422-402-A (2 m PUR, oil-resistant, robotic-grade) instead. For right-angle exit where space is tight, use the L-angle variants XS3F-M421-404-A (4 m PVC) or XS3F-M422-404-A (4 m PUR).
Why is the red LED spot visible on the target?
The E3Z-D82 uses a 660 nm visible red LED emitter instead of infrared — the red dot is intentional, not a side effect.
How does the E3Z-D82 fail on shiny or transparent targets?
Diffuse-reflective sensors detect a target when light from the emitter reflects off the target's surface back into the receiver. On shiny surfaces like polished stainless steel, mirror-finish aluminum, or wet/glass surfaces, the light specularly reflects at the same angle as the incident beam — most of the light bounces away from the receiver, and the sensor does not see the target reliably.
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