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Inductive Cylindrical sensors FM Series

Inductive Cylindrical sensors FM Series

The FM Series are full‐metal inductive proximity sensors with stainless steel (AISI 316L) housing, enhanced sensing distances, high impact resistance (up to IK10 for M30 models) and protection ratings up to IP68/IP69K—designed for heavy-duty industrial use where reliability and ruggedness are essential.
Category: Sensors
Brand: Datasensing

Datasensing FM Series

The FM Series delivers industrial-grade inductive sensing in a full‐metal housing, engineered to operate in demanding environments such as metalworking, intralogistics and harsh manufacturing cells. With features like AISI 316L stainless steel housing, extended sensing distances and high mechanical impact resistance, these sensors provide robust performance where standard sensors may fail.

Design & Functionality

  • The sensors feature a full-metal body made of AISI 316L stainless steel, which offers excellent corrosion resistance and durability in aggressive environments.
  • They support enhanced sensing distances compared to basic models, enabling detection of metal targets from further away or through thicker materials.
  • With mechanical impact resistance up to IK10 (for M30 size models) and high protection ratings (IP68/IP69K), the FM Series is built for use in environments with shock, vibration or wash-down conditions.
  • Built-in electronics include reverse-polarity protection, short-circuit auto-reset and ripple immunity, ensuring stable operation under industrial power variability.

Total Crossed Beams

(In the context of inductive sensors, this refers to the consistent detection field across the sensor’s active face rather than optical beams.)

  • The FM Series maintains a stable sensing zone, even when mounting conditions vary, or when targets are slightly misaligned—ensuring reliable detection of metallic objects in rugged installations.
  • This consistency supports high repeat accuracy (< 5%) and robust performance across diverse metal types and mounting backgrounds.

Beam Pitch Options

(Translated here as selectable sensing distances/resolution rather than literal optical beam pitch.)

  • Nominal sensing distances vary by model—such as ~3 mm for M12 flush models (standard target size 12×12 mm FE360) and longer ranges for larger housings.
  • Thermal drift is kept under ~10% and repeat accuracy is better than < 5% in many models, delivering repeatable detection even as temperature and mounting conditions change.
  • The ability to choose the appropriate size and range model gives system designers flexibility in mounting clearance, target size and environmental ruggedness.

Intrinsic Synchronism

  • The FM Series features fully integrated electronics with no need for external synchronising wiring—reducing installation complexity and enhancing reliability.
  • Time-before-availability is short (≤ 50 ms typical), allowing for rapid system commissioning and minimal start-up delay.

Operational Advantages

  • Industrial Durability: The full‐metal AISI 316L housing, IK10 impact rating, and IP68/IP69K protection make the FM Series ideal for harsh manufacturing, metalworking, intralogistics and wash-down environments.
  • Extended Reach & Reliable Detection: The enhanced sensing distances enable detection of metal targets even under challenging conditions or through tougher materials, reducing missed detections.
  • Applications: Well‐suited to metalworking machines, conveyor and sorting systems in intralogistics, heavy‐duty automated manufacturing, palletising equipment and environments where mechanical shock, harsh contamination or wash‐down exposure are present.

Technical Specifications

 

Parameter

FM Series (Short/Flush Models, e.g., M12)

FM Series (Long-Range / Larger Housings, e.g., M30)

Product LineFMFM
FunctionInductive Proximity Sensor, full metal housingInductive Proximity Sensor, full metal housing
Nominal Sensing Distance (Sn)~3 mm (e.g., standard target 12×12 mm FE360)Extended distances depending on housing size
Repeat Accuracy< 5%< 5%
Thermal Drift of Sr< 10%< 10%
Supply Voltage10 … 30 V DC10 … 30 V DC
Output Type OptionsPNP (NO) (plug exit or cable)PNP/NPN variants, plug or cable exit
Load Current Max≤ 200 mA≤ 200 mA
Switching Frequency~200 Hz (example M12)Varies with model, industrial speeds
Time Before Availability≤ 50 ms≤ 50 ms
Protection Rating (IP / IK)IP68 / IP69K, IK05-IK10 depending on sizeIP68 / IP69K, IK10 (for M30)
Housing Material / DimensionsStainless Steel AISI 316L, e.g., M12 × 52 mm lengthStainless Steel AISI 316L, larger housing e.g., M30 size
Operating Temperature–25 °C … +70 °C–25 °C … +70 °C