Omron EE-SX674-WR — T-Slot Sensor, 5 mm, NPN, Pre-Wired 1 m
SKU: EE-SX674-WRUSD 6.00
T-shaped close-mounting slot photomicrosensor with 1 m robotic cable, 5 mm slot width / 9 mm depth, NPN open-collector output (100 mA), Dark-ON/Light-ON selectable via L terminal, 5-24 VDC, 0.17 ms response.
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Product Overview
The EE-SX674-WR is the pre-wired sibling of the EE-SX674 slot photomicrosensor — same T-shaped close-mounting body with 5 mm slot width and 9 mm slot depth, but with a permanently attached 4-conductor robotic cable instead of a 4-pin system connector. This makes the EE-SX674-WR the right pick when the sensor head is mounted in a location where a separate harness would be at risk of vibration loosening (presses, stamping machines, robotic weld cells) or when a sealed cable entry through a control cabinet wall is preferred to a removable connector.
Where the EE-SX674-WR fits in the EE-SX47 / SX67 family
The EE-SX47 / SX67 family is split along three axes: profile (standard / L-shaped / T-shaped 7 mm / T-shaped 10 mm), output (NPN or PNP), and connection (connector model or pre-wired -WR). The "674" identifies the T-shape slot center 10 mm profile; the "-WR" identifies the pre-wired cable connection. The full T-shape 10 mm lineup: EE-SX674 (connector model, NPN), EE-SX674P (connector model, PNP), EE-SX674A (Dark-ON fixed), EE-SX674R (Light-ON fixed), EE-SX674-WR (pre-wired NPN, this SKU), EE-SX674P-WR (pre-wired PNP), EE-SX674-WR 1M / 2M / 5M / 7M (pre-wired cable length variants).
Wire colours, L terminal, and Dark/Light-ON switching
The EE-SX674-WR has 4 colour-coded wires moulded into the cable: brown = Vcc (5 to 24 VDC), pink = L (Light/Dark select), blue = GND (0 V), black = OUTPUT (NPN open-collector). For Dark-ON (output ON when the beam is broken by a target entering the slot — the typical setup for end-of-stroke detection): connect brown to +V, blue to 0 V, black to the PLC input, and either leave pink disconnected or connect it to 0 V.
Mounting, response, and installation notes
The EE-SX674-WR body is 15.5 mm wide × 13.6 mm high × 13.6 mm deep and weighs approximately 17 g with the 1 m cable. Mount the sensor with two M3 screws through the 3.5 mm clearance holes in the body, tightened to 0.4-0.5 N·m torque — over-tightening will crack the PBT housing. The slot is set back 10 mm from the mounting face (the close-mounting feature), which means the moving target can come within 10 mm of the sensor face without mechanical interference — useful for short-stroke pneumatic cylinders and compact linear slides.
Key Features
- T-shaped close-mounting slot photomicrosensor, slot center 10 mm
- 5 mm slot width, 9 mm slot depth
- Pre-wired 1 m robotic cable
- NPN open-collector output, 100 mA switching current
- Dark-ON / Light-ON logic selectable via pink L terminal
- Operating voltage 5 to 24 VDC ±10 %
- Current consumption 12 mA max
- Response time 0.17 ms
- SKU: EE-SX674-WR
- Series: EE-SX47 / SX67 (Slot-type photomicrosensor, non-modulated)
- Voltage: 24 VDC
- I/O: 100 I/O
Best-Fit Applications
- End-of-stroke detection on a pneumatic cylinder where vibration risks loosening a connector — the pre-wired cable eliminates that failure mode
- Label-presence detection on a packaging line where the sensor head is mounted inside the machine frame and the cable routes.
- Pulse counting from a slotted disc on a rotary indexing table — up to 1 kHz counting rate, the 1.
- Home-position detection on a linear slide where the sensor body sees direct cable flex — the EE-SX674-WR robotic cable is.
Buying Checklist
- Pick EE-SX674-WR for a pre-wired T-shape 10 mm slot sensor with selectable Dark/Light-ON
- Pick EE-SX674 if you need a removable EE-1006 / EE-1010 connector harness — easier field replacement
- Pick EE-SX674P-WR for PNP sourcing output
- Pick EE-SX674A for Dark-ON fixed — cannot be accidentally switched to Light-ON
- Pick EE-SX674R for Light-ON fixed — typical for fail-safe absence detection
- Pick EE-SX672-WR for T-shape slot center 7 mm — narrower target engagement
Technical Specifications
| Model | EE-SX674-WR 1M |
|---|---|
| Series | EE-SX47 / SX67 (Slot-type photomicrosensor, non-modulated) |
| Type | T-shaped close-mounting slot sensor, pre-wired |
| Sensing Method | Through-beam (with 5 mm slot) |
| Slot Width | 5 mm |
| Slot Depth | 9 mm |
| Slot Center Position | 10 mm from mounting face (close-mounting) |
| Light Source | Red LED (660 nm), non-modulated |
| Output Type | NPN open-collector transistor |
| Output Current | 100 mA max (sink) |
| Output Voltage Rating | 24 VDC max |
| Residual Voltage | 0.8 V max (at 100 mA load) |
| Leakage Current | 0.1 mA max |
| Operating Voltage | 5 to 24 VDC ±10 % |
| Current Consumption | 12 mA max (NPN version) |
Resources & Downloads
FAQ for EE-SX674-WR
What's the difference between EE-SX674-WR and EE-SX674?
The only functional difference is the connection method. EE-SX674 (this SKU's connector sibling) ships as a bare sensor body with 4 PCB pins on the rear and requires a separate EE-1006 (1 m / 2 m) or EE-1010 (1 m / 2 m / robot-cable) connector harness. EE-SX674-WR (this SKU) ships with a 1 m robotic cable permanently attached to the sensor body — no separate harness to buy, no connector to loosen over time.
What are the four wire colors and what does each do?
The EE-SX674-WR has 4 colour-coded wires moulded into the robotic cable: brown = Vcc (5 to 24 VDC supply), pink = L (Light/Dark select terminal), blue = GND (0 V supply), black = OUTPUT (NPN open-collector output to the PLC input). The colour coding is identical to the EE-1006 / EE-1010 harness used with the connector-model EE-SX674 — so if you migrate between the connector and pre-wired variants, the wiring is the same.
How long can the cable be on the EE-SX674-WR?
The EE-SX674-WR is available in four standard cable lengths: 1 m (this SKU), 2 m, 5 m, and 7 m. The model number changes to EE-SX674-WR 2M, EE-SX674-WR 5M, or EE-SX674-WR 7M.
Can I cut and re-terminate the cable on the EE-SX674-WR?
Yes — the cable can be cut to length and re-terminated with any standard 4-conductor connector (M8, M12, or terminal block) provided the conductor-to-connector mapping is preserved (brown = +V, pink = L, blue = 0 V, black = OUTPUT). The cable is a standard 4-conductor robotic cable, so any M8 / M12 4-pin connector can be attached.
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