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ISUB250-F77K12

ISSR F77 Ultrasonic Proximity Switch

Features:

0.25-Meter F77 Ultrasonic Contactless Limit Switch for Object Presence Detection

  • NPN/PNP normally open output
  • Miniature Design
  • Learnable A1 Point
  • Small Dead Zone
  • Serial Port Upgradeable

Downloads Manual:

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Product Information

ISUB250-F77K12

F77 0.25M Square Miniature Ultrasonic Proximity Switch

With its compact structure, high precision, and fast response speed, it can provide stable ultrasonic testing in space-constrained industrial environments.

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The F770.25M ultrasonic proximity switch is a compact and reliable square ultrasonic proximity switch with a range of up to 250mm and a blind zone of only 20mm. This sensor features a learnable detection point (A1 point), NPN/PNP normally open output, and fast response characteristics. It adopts an IP67 protection structure and a robust plastic composite housing, making it suitable for various industrial automation scenarios, such as assembly line object detection, machine position control, robot obstacle avoidance, and packaging equipment positioning. It can achieve accurate and stable target detection even in confined spaces.

Specification

Technical Parameters

Detection Range 20 ~ 250mm
Adjustment Range 45 ~ 250mm
Blind Zone 0 ~ 20mm
Standard Detection Plate 100 x 100mm
Angle ±5°
Sensor Frequency Approx. 300 kHz
Response Delay ≤50ms
Power-On Delay ≤250ms
Operating Voltage 20-30V DC, 10%Vpp
No-Load Current ≤30mA
LED Yellow Light Solid on: Switch (closed)
Blinking: Target detected in learning mode
LED Red Light Solid on: Switch (open)
Blinking: Target not detected in learning mode

Input

Input Type A1, learning line connected to -UB

Output

Output Type PNP normally open
Rated Operating Current 200 mA
Short-Circuit/Overload Protection Yes
Voltage Drop ≤2 V
Default Setting A1 = 250 mm
Repeat Accuracy ±1 mm
Hysteresis Range 2.5 mm
Temperature Drift 0.17%/K

Characteristics

Operating Temperature –10°C ~ +50°C
Storage Temperature –40°C ~ +60°C
Electromagnetic Compatibility GB/T 17626.2–2006;
GB/T 17626.4–2008;
Protection Rating IP67
Connection Type V31 connector (M8×1), 4-pin
Housing Material Plastic, epoxy resin + glass beads
Weight Approx. 13g
Maximum Connector Torque 0.2 Nm

Electrical Connection / Overall Dimensions / Response Characteristic Curve

Applications

ISUB250-F77K12 F77 0.25M Square Miniature Ultrasonic Proximity Switch application

Ultrasonic proximity switches can be used for non-contact detection of various objects and are widely used in automated production lines in packaging, logistics, food, pharmaceuticals, and electronics manufacturing for detecting the presence or absence of objects, counting, and measuring distances.

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