SME-8M-DS-24V-K-2.5-OE Festo Proximity Sensor SME Series Cylinder Switch

Engineering Overview & Architecture

The SME-8M-DS-24V-K-2.5-OE operates as a high-precision magnetic reed proximity switch engineered for industrial pneumatic automation.

Part of the robust SME Series, this sensor utilizes screw-clamped mounting to secure firmly into standard T-slots.

It features a 2.5-meter oil-resistant TPE-U(PUR) cable with an open-end connection, delivering reliable piston position feedback under harsh operating conditions.

Parametric Specification Matrix

Model Suffix & Configuration Breakdown

• SME-8M-DS-24V-K-2.5-OE Suffix Tree Structure:
  • SME-8M: Series designator for T-slot magnetic cylinder sensors.
  • DS: Contacting magnetic reed switching output.
  • 24V: Operational voltage rating category (5V to 30V compatible).
  • K: Cable electrical connection type.
  • 2.5: Standard 2.5-meter cable length.
  • OE: Open end wire termination layout.

Advanced Diagnostic Capabilities

• Visual Status Tracking: Integrated yellow LED indicator provides immediate on-site switching verification without diagnostic tools.
• Mechanical Durability: Energy chain tested to withstand over 5 million cycles with a 75 mm bending radius.
• Ingress Defense: Dual IP65 and IP68 ratings seal out moisture, cutting fluids, and industrial washdown chemicals.
• Vibration Resistance: Screw-clamped T-slot mounting prevents loosening under high acceleration and shock loads.

Global PLC Spare HUB's Insight

Automation technicians frequently struggle with sensor drift and cable breakage on high-speed pneumatic indexers.

Example: When retrofitting automated assembly lines using Festo cylinders, utilizing the SME-8M-DS-24V-K-2.5-OE ensures the cable withstands continuous robotic flexing over 5 million cycles.

Its rigid central screw mounting eliminates intermittent contact issues caused by machine vibration, reducing unexpected line stoppages.

Target Equipment & Application Scenarios

• Pneumatic Actuator Systems: Direct position feedback for standard Festo cylinders featuring T-slots.
• High-Speed Packaging Machinery: Tracks rapid piston travel cycles in automated filling and sealing stations.
• Automotive Assembly Cells: Monitors clamp and transfer cylinder strokes in harsh, oily environments.
• Material Handling Conveyors: Verifies diverter gate positions and pneumatic pusher arm extensions.

Logistics & Commercial Terms

• Packaging Contents: One factory-fresh SME-8M-DS-24V-K-2.5-OE sensor packaged securely in protective wrapping.
• Shipping Network: Expedited global dispatch via reliable couriers: FedEx, UPS, and DHL.
• Processing Window: Prompt order fulfillment completed within 24 to 48 hours.
• Warranty Coverage: Fully backed by our standard 12-month operational replacement warranty.

Expert FAQ & Selection Guidelines

Q: Can the SME-8M-DS-24V-K-2.5-OE be used on cylinders with C-slots?
A: No, this model is specifically engineered for T-slot profiles; C-slot applications require the separate 10M series variant.

Q: What is the maximum output current when using standard mounting kits?
A: The maximum output current drops to 80 mA when utilizing specific adapter mounting kits compared to direct slot mounting.

Q: How does the yellow LED assist maintenance technicians during troubleshooting?
A: It lights up instantly upon magnetic field detection, allowing engineers to verify sensor switching status visually without a multimeter.

Q: Is this sensor protected against short circuits or reverse polarity?
A: No, this reed switch model does not feature internal short-circuit or reverse polarity protection; ensure correct wiring polarity during installation.

Q: What factors should I guide my selection when replacing a pneumatic cylinder sensor?
A: Verify your cylinder slot type (T-slot vs. C-slot), operating voltage, cable length requirements, and whether your environment demands oil-resistant cable sheathing.

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