EE-SX67 Series Slot-type Photoelectric Sensor (Photomicrosensor)

Pre-aligned U-shaped photoelectric sensor in 8 shapes with full NPN/PNP output and wiring-selectable NO/NC logic.

Technical Specifications

Output typeNPN (no P suffix) / PNP (P suffix); NO/NC switchable by wiring (black wire = NO, white wire connected to brown wire = NC)
Housing shapes8 shapes (EE-SX670 to EE-SX677)
Cable lengthD1 = 1 m, D2 = 2 m, D3 = 3 m (longer lengths derived by suffix)

Overview

The EE-SX67 series is a through-beam (transmissive) slot-type photoelectric sensor, also known as a fork sensor or photomicrosensor. The emitter and receiver are built into a single U-shaped housing and pre-aligned at the factory, so the sensor only needs to be mounted, with no field beam alignment required. It is intended for machine builders, panel integrators, and OEMs who need a compact, drop-in detection point for a moving flag, tab, or small part passing through the slot.

The series is available in 8 distinct housing shapes (EE-SX670 through EE-SX677), each offered in both NPN (no suffix) and PNP (P-suffix) output, so one series covers both sinking-input and sourcing-input PLC systems. Detection logic is set by wiring rather than by part number: connect the black wire for normally-open (Light-ON) operation, or connect the white wire together with the brown wire for normally-closed (Dark-ON) operation. Sensors are pre-wired at the factory, with cable length selectable by suffix: D1 = 1 m, D2 = 2 m, D3 = 3 m.

Features & Benefits

Pre-aligned optics, mount and go

Emitter and receiver are fixed in the same U-shaped housing and factory-aligned, eliminating the beam-alignment step required by separate through-beam sensor pairs. This matters when a machine has dozens of detection points and each one would otherwise need individual alignment time.

8 housing shapes cover different mounting orientations

EE-SX670 through EE-SX677 offer 8 distinct outline/mounting shapes, so a design can pick the shape that fits the available space and detection direction instead of redesigning the mounting bracket around the sensor.

Full NPN and PNP line-up in one series

Every housing shape is offered in both non-P (NPN) and P-suffix (PNP) output, so the same series serves sinking-input PLC systems and sourcing-input PLC systems without switching product families.

NO/NC selectable by wiring, not by part number

Connecting the black wire gives normally-open (Light-ON) operation; adding the white wire to the brown wire gives normally-closed (Dark-ON) operation. One physical sensor covers both logic states, so a spare-parts inventory does not need to stock separate NO and NC versions.

Pre-wired with selectable cable length

The D1/D2/D3 suffix corresponds to 1 m/2 m/3 m of factory-terminated cable, so the cable can be specified to match the distance to the control cabinet without a field junction box or terminal splice.

Applications

Home/origin position detection on linear axesThe slot geometry directly detects a flag or tab passing through the U-shaped gap, which is the standard mechanism for confirming an axis has reached its zero/home reference point on robots, linear modules, and ball-screw platforms.
Limit / end-of-travel detectionA fixed detection point in the slot reliably confirms a moving part has reached a mechanical limit, without the contact wear associated with mechanical limit switches.
Small part counting on feed tracksThrough-beam detection registers each interruption of the beam as a part passes through the slot, suited to counting discrete small items moving along a vibratory feeder outlet or conveyor track.
Card/sheet presence confirmationThin cards or sheets passing through the slot interrupt the beam, giving a simple presence/absence signal for feed confirmation in printing equipment or labeling mechanisms.
Index/rotary positioningA cam or flag mounted to a rotating disc passing through the slot on each index step provides a repeatable positioning trigger for turntable indexing.
PLC I/O standardization across mixed equipment fleetsThe NPN/PNP dual line-up lets an integrator use one sensor series regardless of whether the downstream PLC input card on a given machine is sinking or sourcing.
Spare-parts consolidation for NO/NC logicBecause NO/NC is set by wiring rather than by ordering a different part number, a single stocked unit can serve either logic requirement when a design changes.

Models & Ordering Information

EE-SX67 Series — 8 Housing Shapes, NPN/PNP, 1 m Cable (D1)

EE-SX670-D1EE-SX670P-D1EE-SX671-D1EE-SX671P-D1EE-SX672-D1EE-SX672P-D1EE-SX673-D1EE-SX673P-D1EE-SX674-D1EE-SX674P-D1EE-SX675-D1EE-SX675P-D1EE-SX676-D1EE-SX676P-D1EE-SX677-D1EE-SX677P-D1
Cable length follows the same suffix pattern: replace -D1 with -D2 (2 m) or -D3 (3 m); longer lengths are derived the same way, subject to factory availability. Part number pattern: EE-SX67[shape 0-7][P optional]-D[cable length].

How to Select

  1. Match the output type to your PLC input card: choose the non-P (NPN) suffix for sinking-input systems, or the P-suffix (PNP) version for sourcing-input systems.
  2. Pick one of the 8 housing shapes (EE-SX670 through EE-SX677) based on available mounting space, beam direction, and cable exit direction; the shape suffix is independent of the NPN/PNP and cable-length choices.
  3. Choose the cable-length suffix (D1 = 1 m, D2 = 2 m, D3 = 3 m) to match the run distance to your control cabinet; longer lengths follow the same suffix pattern subject to factory availability.
  4. NO/NC logic does not need to be chosen at ordering time; it is set on-site by wiring (black wire = NO/Light-ON, white-to-brown = NC/Dark-ON), so one part number covers both logic requirements.
  5. Part number pattern: EE-SX67[shape 0-7][P optional]-D[cable length], e.g. EE-SX672P-D2 = shape 672, PNP output, 2 m cable.

📘 Need the full method? NPN vs PNP Sensor Outputs Explained

When NOT to specify the EE-SX67 — and what to use instead

The exact slot width or the minimum detectable object size must be confirmed on the drawing before purchase

Why not: The published EE-SX67 source material documents housing shapes, output type, and cable-length suffixes, but does not state the numeric slot width or a minimum detectable object size for this series.

Use instead: a series with those figures published, such as DD-670 (5 mm slot, 7 mm width) or DD-L25/L45 (5 mm groove, 2x0.8 mm minimum object), if a confirmed dimension is required at order time

The equipment needs a plug-in connector body for fast field replacement without a wiring change

Why not: EE-SX67 is a pre-wired (cable) type with the cable fixed to the sensor at the factory, per its own FAQ comparison to the connector-type DD-670 series.

Use instead: the DD-670 series, which uses a plug-in connector so the sensor body can be unplugged and swapped without rewiring

The application needs a documented response time, IP rating, or supply voltage/current figure to size the sensor for fast counting or a harsh environment

Why not: The EE-SX67 source specs cover output type, housing shapes, and cable length only; no response time, IP rating, or supply/current figures are published for this series.

Use instead: FS-KNS (0.3 ms response, IP64, 5-24VDC documented) or DD-L25/L45 (IP65, 5-24VDC documented) where those figures are required

Specifications we do not publish yet

We only publish a figure once we are confident it is true. The items below are still being validated through further testing and real-world customer feedback, so for now we would rather leave them open than guess. If one of them matters to your design, ask us for the latest validated status.

  • Detection slot width and depth are not stated in the source material
  • Minimum detectable object size is not stated
  • Response time / response frequency is not stated
  • Light source type and wavelength are not stated
  • Supply voltage and current consumption are not stated
  • Protection (IP) rating is not stated
  • Operating and storage temperature range is not stated
  • Hysteresis (differential travel) is not stated
  • MTBF / rated mechanical or electrical lifetime is not stated
  • No certification documents are published on the product page; specific standards/marks not stated

Frequently Asked Questions

What is the difference between EE-SX670 and EE-SX670P?
EE-SX670 has NPN output and EE-SX670P has PNP output; both are the same housing shape and detection function, differing only in output transistor type. NPN suits sinking-input PLC systems and PNP suits sourcing-input PLC systems.
Do I need to align the emitter and receiver when installing an EE-SX67 sensor?
No. The emitter and receiver are built into a single U-shaped housing and are pre-aligned at the factory, so installation only requires mounting the sensor, with no field beam-alignment step needed.
Can the same EE-SX67 sensor be used as both normally open and normally closed?
Yes. The detection logic is set by wiring rather than by part number: connect the black wire for normally-open (Light-ON) operation, or connect the white wire together with the brown wire for normally-closed (Dark-ON) operation.
How many housing shapes does the EE-SX67 series come in?
Eight housing shapes, numbered EE-SX670 through EE-SX677, each available in both NPN and PNP output versions.
What cable lengths are available for the EE-SX67 series?
Cable length is set by the D-suffix: D1 = 1 m, D2 = 2 m, D3 = 3 m, with longer lengths derived from the same suffix pattern, subject to factory availability.
Is the EE-SX67 series a through-beam or reflective sensor?
It is a through-beam (transmissive) slot-type sensor. The emitter and receiver face each other across the slot opening, and detection occurs when an object passing through the slot interrupts the beam.
What is the difference between the EE-SX67 series and Daidisike's DD-670 series slot sensor?
EE-SX67 is a pre-wired (cable) type, with the cable fixed to the sensor at the factory, while DD-670 is a plug-in connector type intended for applications where fast field replacement of the sensor is a priority.

Works Well Together

On the same machine or line, EE-SX67 is typically ordered together with: Photoelectric Sensors · Fiber Optic Sensors · Proximity Sensors

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