TAKEX AS Series U-Shaped Embedded Amplifier Photo Sensors

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TAKEX AS Series U-shaped embedded amplifier photo sensors
TAKEX AS Series U-shaped embedded amplifier photo sensors
TAKEX_AS

U-Shaped Embedded Amplifier Photo Sensors

  • TAKEX AS Series U-shaped photo sensors require no optical-axis alignment and offer fixed 19, 25, or 30 mm sensing gaps.
  • The lineup includes NPN/PNP and Light-ON/Dark-ON models, 12–24VDC operation, red or infrared LEDs, attached cables, and IP67 protection.
  • Brand TAKEX Takenaka Engineering Co., Ltd.
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Features
  • No optical-axis alignment: The transmitter and receiver are fixed within the U-shaped housing, eliminating separate optical-axis alignment during installation.
  • Three fixed sensing gaps: The lineup provides fixed sensing distances of 19 mm, 25 mm, and 30 mm to match different installation and target requirements.
  • Multiple output and operation options: NPN and PNP outputs are available with Light-ON or Dark-ON operation, while AS-U30MA and AS-U30MPNA provide selectable Light-ON/Dark-ON operation.
  • IP67 protection: All models provide IP67 protection for use in general machinery, logistics, precision machinery, and electronic component equipment.
  • Position and passage detection: Applications include position and address checking for stacker cranes in automated warehouses and drill-bit breakage detection with AS-U25.
Specification
ItemSpec.
Product typeU-shaped embedded amplifier photo sensor
Series modelsAS-U20
AS-U20PN
AS-U20D
AS-U20DPN
AS-U25
AS-U25PN
AS-U25D
AS-U25DPN
AS-U30
AS-U30PN
AS-U30D
AS-U30DPN
AS-U30MA
AS-U30MPNA
Detection methodThrough beam, U-shaped
Detecting distanceAS-U20 models: 19 mm fixed
AS-U25 models: 25 mm fixed
AS-U30 models: 30 mm fixed
Power supply12–24VDC
Control outputNPN or PNP, depending on model
Operation modeLight-ON or Dark-ON, depending on model
selectable on AS-U30MA/AS-U30MPNA
Light sourceAS-U20/AS-U25 models: red LED
AS-U30 models: infrared LED
Protective structureIP67

Specification notes

  • AS-U20, AS-U25, and AS-U30 models are primarily differentiated by their fixed sensing gaps of 19 mm, 25 mm, and 30 mm. AS-U20/AS-U25 models use red LEDs, while AS-U30 models use infrared LEDs.
  • NPN / PNP output and operation mode are selected by model. Models without the PN suffix use NPN output, PN models use PNP output, standard models are Light-ON, and D models are Dark-ON.
  • AS-U30MA and AS-U30MPNA are 30 mm models with selectable Light-ON / Dark-ON operation. AS-U30MA provides NPN output, while AS-U30MPNA provides PNP output.
FAQ

Q1: What is the TAKEX AS Series?
A: The AS Series consists of U-shaped embedded amplifier photo sensors with the transmitter and receiver integrated into one fixed through-beam housing.


Q2: Why does the AS Series require no optical-axis alignment?
A: The transmitter and receiver are fixed on opposite sides of the U-shaped housing, so separate alignment is unnecessary.


Q3: What sensing gaps are available?
A: The AS Series offers fixed sensing gaps of 19 mm, 25 mm, and 30 mm for the AS-U20, AS-U25, and AS-U30 groups respectively.


Q4: Are both NPN and PNP outputs available?
A: Yes. The lineup includes both NPN and PNP output models.


Q5: Are Light-ON and Dark-ON models available?
A: Yes. Standard models use Light-ON, D models use Dark-ON, and AS-U30MA / AS-U30MPNA allow Light-ON / Dark-ON selection.


Q6: Do all AS Series models use the same light source?
A: No. AS-U20 and AS-U25 models use red LEDs, while AS-U30 models use infrared LEDs.


Q7: What is the protection rating of the AS Series?
A: All models have an IP67 protective structure.


Q8: Can the AS Series be used in automated warehouses?
A: Yes. The series is suitable for checking travel positions and addresses of stacker cranes in automated warehouses.


Q9: Can AS-U25 detect broken drill bits?
A: Yes. AS-U25 can be used to check drill-bit breakage at each machining stroke.


Q10: How do I select an AS Series model?
A: First select the required 19, 25, or 30 mm fixed sensing gap, then choose NPN or PNP output and the required Light-ON or Dark-ON operation.

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