Omron Photoelectric E3ZG Sensor Programmable Logic Controller
The Omron E3ZG Series is a high-durability photoelectric sensor line designed for harsh industrial environments. Featuring a robust zinc die-cast metal housing, the E3ZG series offers superior mechanical protection while delivering accurate and stable object detection. It is engineered for demanding applications such as automotive production, heavy machinery, and factory automation.
Categories:
Omron Photoelectric SensorIO-Link Communication
- Rugged Metal Housing (Zinc Die-Cast): Withstands mechanical impact, oil, and vibration – ideal for heavy-duty industrial use
- High Detection Stability: Excellent black object detection – available in diffuse-reflective, retro-reflective, and through-beam models
- Laser-like Precision in a Compact Body: Sharp optical performance in a standard-sized sensor – consistent detection of small or low-reflective objects
- IP67 Protection: Reliable operation in environments with dust, water, or oil spray
- DC Supply Voltage: 12 to 24 VDC – NPN/PNP models with light-on/dark-on switching
- Status Indicators: Highly visible LED for easy alignment and operation monitoring
| Specification | Description | |||
|---|---|---|---|---|
| Number of optical axes | 1 | 2 | ||
| Model | NPN output | E3Z-G61 / E3Z-G61-M3J | E3Z-G62 / E3Z-G62-M3J | |
| PNP output | E3Z-G81 / E3Z-G81-M3J | E3Z-G82 / E3Z-G82-M3J | ||
| Sensing distance (distance between arms of groove) | 25 mm | |||
| Standard sensing object | Opaque, 1.5-mm dia. min. | |||
| Light source (wavelength) | Infrared LED (940 nm) | |||
| Power supply voltage | 12 to 24 VDC ±10%, ripple (p-p): 10% max. | |||
| Current consumption | 25 mA max. | 40 mA max. | ||
| Control output |
Load power supply voltage: 26.4 VDC max. Load current: 100 mA max. (Residual voltage: 1 V max.) Open collector output (NPN or PNP depending on model) Light-ON / Dark-ON selectable |
|||
| Protection circuits | Reversed power supply polarity protection, Output short-circuit protection, and Mutual interference prevention | |||
| Response time | Operate or reset: 1 ms max. | |||
| Ambient illumination (Receiver side) | Incandescent lamp: 3,000 lx max. Sunlight: 10,000 lx max. |
|||
| Ambient temperature range | Operating: -25 to 55°C, Storage: -40 to 70°C (no icing or condensation) | |||
| Ambient humidity range | Operating: 35% to 85%, Storage: 35% to 95% (no condensation) | |||
| Insulation resistance | 20 MΩ min. at 500 VDC between lead wires and case | |||
| Dielectric strength | 1,000 VAC, 50/60 Hz for 1 min between lead wires and case | |||
| Vibration resistance | Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions | |||
| Shock resistance | Destruction: 500 m/s2 3 times each in X, Y, and Z directions | |||
| Degree of protection | IP64 (IEC 60529) | |||
| Connection method | Pre-wired cable (standard length: 2 m and 0.5 m) Pre-wired Connector (standard length: 300 mm) |
|||
| Indicator | Operation indicator (orange) | |||
| Weight (packed state) | Pre-wired (2-m cable) | Approx. 65 g | ||
| Pre-wired Connectors | Approx. 30 g | |||
| Material | Case | ABS (Acrylonitrile Butadiene Styrene) | ||
| MTTFd (Year) | 817 | |||
| Accessories | Instruction manual | |||
Sensors
| Sensing
method |
Appearance | Connection
method |
Sensing
distance |
No. of
optical axes |
Model | |
|---|---|---|---|---|---|---|
| NPN output | PNP output | |||||
| Through-
beam |
 |
Pre-wired (2 m) | 25 mm
(Infrared light) |
1 | E3Z-G61 2M *1 *2 | E3Z-G81 2M *1 *2 |
| Pre-wired Connector
(M8, 4 pins) |
E3Z-G61-M3J 0.3M | E3Z-G81-M3J 0.3M | ||||
| Pre-wired (2 m) | 2 | E3Z-G62 2M *1 | E3Z-G82 2M *1 | |||
| Pre-wired Connector
(M8, 4 pins) |
E3Z-G62-M3J 0.3M | E3Z-G82-M3J 0.3M | ||||
Sensor I/O Connectors (Sockets on One Cable End)
| Cable specification | Appearance | Type of cable | Model | |
|---|---|---|---|---|
| Standard cable |  |
2 m | 4-wire | XS3F-M421-402-A |
| 5 m | XS3F-M421-405-A | |||
 |
2 m | XS3F-M422-402-A | ||
| 5 m | XS3F-M422-405-A | |||
| Vibration-proof
robot cable |
|
2 m | XS3F-M421-402-R | |
| 5 m | XS3F-M421-405-R | |||
|
2 m | XS3F-M422-402-R | ||
| 5 m | XS3F-M422-405-R | |||
Protective Bracket
| Appearance | Model | Applicable model |
|---|---|---|
 |
E39-L149 | E3Z-G |
|
Catalog Name
|
Catalog Number[size]
|
Last Update
|
|
|---|---|---|---|
| E3Z-G Data Sheet | --- [803KB] |
Apr 07, 2025 | E3Z-G Data Sheet |
Applications
- Automotive part detection and positioning
- Conveyor object detection in harsh environments
- Robotics with high mechanical stress
- Machining and welding lines
- Packaging equipment exposed to oil mist and vibration
Why Choose
- Metal housing provides durability far superior to standard plastic sensors
- Easy integration into existing setups with standard M12 connector
- Maintains stable detection under temperature and electrical noise fluctuations
- Ideal for use in automotive, metal processing, packaging, and logistics
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