5 mm Slot-Type Optical Detection
The OMRON EE-SX673-WR uses a through-beam optical sensing arrangement with a 5 mm slot to detect opaque objects passing between the infrared emitter and receiver.
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Omron
OMRON EE-SX673-WR 1M Photoelectric Sensor
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PRODUCT DOCUMENTATION
Product Information
Technical specifications, features, applications and purchasing information.
Technical Specifications
| Brand | OMRON |
| Model Number | EE-SX673-WR |
| Product Category | Slot-Type Photomicrosensor |
| Product Series | EE-SX47 / EE-SX67 |
| Sensor Configuration | Close-Mounting, Pre-Wired |
| Sensing Method | Through-Beam, Slot-Type |
| Sensing Distance | 5 mm Slot Width |
| Minimum Detectable Object | Opaque Object, 2 × 0.8 mm |
| Differential Distance | 0.025 mm |
| Light Source | Infrared LED, 940 nm Peak Wavelength |
| Optical Modulation | Non-Modulated |
| Supply Voltage | 5 to 24 VDC ±10% |
| Maximum Supply Ripple | 10% Peak-to-Peak |
| Current Consumption | 12 mA Maximum |
| Output Type | NPN Open Collector |
| Output Voltage | 5 to 24 VDC |
| Maximum Output Load Current | 100 mA |
| Output Residual Voltage | 0.8 V Maximum at 100 mA; 0.4 V Maximum at 40 mA |
| Maximum OFF-State Leakage Current | 0.5 mA |
| Operating Modes | Dark-ON / Light-ON Selectable |
| Operating Mode Selection | Dark-ON with Pink L Wire Open; Light-ON with Pink L Connected to Positive Supply |
| Operation Indicator | Red LED, Illuminates When Light Is Incident |
| Response Frequency | 1 kHz Minimum; 3 kHz Average |
| Protection Circuit | Load Short-Circuit Protection |
| Ambient Light Immunity | 1000 lx Maximum, Fluorescent Light at Receiver |
| Operating Temperature | -25 to +55°C, Without Icing or Condensation |
| Storage Temperature | -30 to +80°C, Without Icing or Condensation |
| Operating Humidity | 5 to 85% RH |
| Protection Rating | IEC 60529 IP50 |
| Connection Method | Pre-Wired, Four-Core Robot Cable |
| Standard Cable Length | 1 m for EE-SX673-WR 1M; Confirm Full Ordering Designation |
| Wire Identification | Brown: Vcc; Pink: L; Blue: 0 V; Black: Output |
| Housing Material | Polybutylene Terephthalate (PBT) |
| Cover Material | Polycarbonate |
| Approximate Weight | 16.8 g, Pre-Wired Model |
| Manufacturer Technical Reference | OMRON EE-SX47 / SX67 Slot-Type Photomicrosensor Datasheet |
Key Features
NPN Open Collector Output
The sensor provides an NPN open collector output rated for up to 100 mA, allowing connection to compatible industrial logic inputs and low-current switching circuits.
5–24 VDC Power Supply
The supported supply range is 5 to 24 VDC ±10%, with maximum sensor current consumption of 12 mA, making the device suitable for compatible low-voltage electronic equipment.
Selectable Dark-ON and Light-ON
Dark-ON operation is selected by leaving the pink L wire open. Connecting the pink L wire to the positive supply selects Light-ON operation. Follow the specified wiring precautions when changing operating modes.
Pre-Wired Close-Mounting Design
The close-mounting housing uses a flexible four-core robot cable. OMRON lists EE-SX673-WR 1M as the standard 1 m cable version, eliminating the need for a separate mating connector.
Fast Optical Response
OMRON specifies a guaranteed response frequency of at least 1 kHz, with 3 kHz as a reference average under the manufacturer's test conditions, for appropriately designed position and object detection applications.
Applications
- Small machine position detection
- Rotating disk and encoder flag detection
- Industrial equipment object presence sensing
- Automated assembly equipment monitoring
- Electronic mechanism position sensing
- Compact packaging equipment
- Mechanical travel and limit position detection
- OEM machine sensor maintenance and replacement
Purchase Information
We support online purchase of the OMRON EE-SX673-WR Slot-Type Photomicrosensor. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
Frequently Asked Questions
What is the OMRON EE-SX673-WR?
It is a pre-wired, close-mounting slot-type photomicrosensor with a 5 mm sensing gap and NPN open collector output.
What is its sensing distance?
The sensing distance is the 5 mm slot width between the integrated infrared emitter and receiver.
What voltage does EE-SX673-WR require?
OMRON specifies a 5 to 24 VDC ±10% supply range, with maximum current consumption of 12 mA.
Does EE-SX673-WR use NPN or PNP output?
The EE-SX673-WR uses an NPN open collector output. The corresponding PNP pre-wired model is EE-SX673P-WR.
What is the maximum output load current?
The NPN control output supports up to 100 mA at an applicable output voltage of 5 to 24 VDC.
Can the output be configured for Light-ON or Dark-ON?
Yes. Leave the pink L wire open for Dark-ON operation, or connect it to the positive supply for Light-ON operation. Do not connect the L wire to 0 V for Dark-ON operation.
What type of light source does the sensor use?
It uses an infrared LED with a peak wavelength of 940 nm.
What size object can it detect?
The published minimum standard detectable object is an opaque target measuring 2 × 0.8 mm under the manufacturer's test conditions.
What is the response frequency?
OMRON specifies 1 kHz minimum, with 3 kHz as a reference average. Applications should be designed using the guaranteed minimum value.
How long is the cable?
The standard EE-SX673-WR 1M version includes a 1 m pre-wired cable. Confirm the complete ordering suffix and cable length on the supplied product.
Is EE-SX673-WR waterproof?
No. Its specified protection rating is IP50, so it should not be treated as a waterproof or washdown-rated sensor.
What should be checked before ordering?
Confirm model EE-SX673-WR, cable-length designation, 5 mm slot width, NPN output, 5–24 VDC supply, 100 mA maximum output current, Dark-ON/Light-ON wiring, mounting dimensions and environmental protection requirements.
Need help confirming a model?
Send us your part number and technical requirements.
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