Part of the Omron Limit & Basic Switches series — see the full model table, lifecycle status and replacement parts.
Omron EE-SX672-WR — Slot Sensor 5mm, NPN, 1m
SKU: EE-SX672-WRUSD 7.00
is a T-shaped slot photoelectric sensor with 5mm slot, NPN output, and 1m pre-wired robotic cable — fixed sensitivity
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Product Overview
The Omron EE-SX672-WR is the pre-wired (-WR) variant of the T-shaped 5mm slot sensor in Omron's EE-SX47/67 photomicrosensor family. manufactured by Omron Corporation. Hengyixin Automation ships this sensor from our Xiamen warehouse with a 30-day DOA return window and a datasheet PDF included in the box.
The '672' code identifies the T-shaped form factor with 7mm slot center; the '-WR' suffix means 1m pre-wired cable (without -WR, the part is connector-type and needs a separate connector cable). A slot sensor is the simplest photoelectric principle: an infrared LED on one side of the slot, a phototransistor on the other, and the target passes through the gap.
The slot sensor's advantage over a separate LED+phototransistor pair is that the alignment is factory-set — no optics to align in the field.
Key Features
- 5-24VDC operating compatibility with common control systems
- Slot-type transmissive sensing for stable geometry-based detection
- Compact body for constrained machine installation zones
- Reliable output behavior in repetitive automation tasks
- SKU: EE-SX672-WR
- Series: EE-SX67
- Voltage: 24V
Best-Fit Applications
- Detecting tab/label presence on pharmaceutical blister packs at 200 packs/minute
- Counting small components on vibratory feeder bowls in electronics assembly
- End-of-stroke confirmation on small pneumatic cylinders in pick-and-place machines
Buying Checklist
- Factory-aligned optics — no field alignment needed vs separate LED+phototransistor pairs
- Compact 13.7mm T-shaped body fits in tight machinery spaces
- Pre-wired 1m cable eliminates need to order a mating connector separately
Technical Specifications
| Model | EE-SX672-WR |
|---|---|
| Series | EE-SX67 |
| Slot Width | 5mm |
| Output Type | NPN |
| Supply Voltage | DC5-24V |
| Connection | Connector type |
| Response Time | 0.17ms |
| Load Current | 100mA |
FAQ for EE-SX672-WR
What's the difference between EE-SX672-WR and EE-SX672?
EE-SX672 is the connector type (no cable included); EE-SX672-WR is pre-wired with 1m cable. Choose -WR when you want to plug the sensor directly into a mating connector at the panel; choose the bare EE-SX672 when you need a custom cable length (3m, 5m, or robotic-flex cable) and the connector EE-1006 (sold separately).
Can I use EE-SX672-WR with a PNP-input PLC?
Not directly — the EE-SX672-WR is NPN output (sinks current to 0V when active). For PNP input PLCs, use the EE-SX672P-WR (PNP open-collector) or EE-SX672PR-WR (PNP with Light-ON/Dark-ON selector). Same physical size, same 5mm slot, just opposite output polarity.
What does the A suffix mean (EE-SX672A-WR)?
A = Light-ON default (output active when beam is unbroken). The plain EE-SX672-WR is Dark-ON (output active when beam is broken). You can override the mode via the selector wire — the A and R suffix variants just lock in the default for installations where the installer doesn't need to flip modes.
What's the smallest object this sensor can detect?
2 × 0.8 mm min. opaque object. Anything smaller (a wire, a thin tab) may pass without breaking the beam reliably. For detecting sub-millimeter objects, look at the E3S-AR36 retro-reflective sensor or the E3X-NA fiber amplifier with a thin fiber head.
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