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Company Culture ꄲ Automation ꄲ Sensors ꄲ Baumer Through Beam Photoelectric Sensor (Emitter) | FSDK 07D9601/KS35A | 10151067 | 2m Sensing Range

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Baumer Through Beam Photoelectric Sensor (Emitter) | FSDK 07D9601/KS35A | 10151067 | 2m Sensing Range

Baumer through beam photoelectric sensor emitter FSDK 07D9601/KS35A (order no. 10151067), pulsed red LED light source, wavelength 660nm, actual sensing range 2m, nominal range 2.5m, supply 10-30VDC, typical current consumption 12mA, reverse polarity protection, M8 4-pin pre-wired flylead cable 200mm, subminiature rectangular plastic housing 8×16.2×10.8mm, IP65 protection, operating temperature -20 to +50°C, requires matching receiver, order available.

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Product Details

1. Product Overview

The Baumer through beam photoelectric sensor emitter FSDK 07D9601/KS35A, order number 10151067, belongs to Baumer's subminiature through beam photoelectric sensor series, featuring a pulsed red LED light source with 660nm wavelength, actual sensing range 2m, nominal sensing range 2.5m, specifically designed for object detection, position confirmation, counting, sorting, and other tasks in industrial automation applications with limited installation space.

A through beam photoelectric sensor consists of two separate units: an emitter (transmitter) and a receiver, installed on opposite sides of the detection area. The emitter continuously emits a modulated pulsed infrared light beam, and the receiver detects the light signal from the opposite emitter. When an object passes between the emitter and receiver, the light beam is interrupted, and the receiver output signal changes, thereby detecting the presence of the object. The FSDK 07D9601/KS35A is the emitter part of the through beam sensor and must be used with a corresponding receiver model to complete the object detection function.

This emitter adopts a pulsed red LED light source with a wavelength of 660nm. The light beam is emitted through pulse modulation technology, effectively resisting ambient light interference and ensuring stable detection under complex industrial lighting conditions. The supply voltage range is 10-30VDC, with a typical current consumption of only 12mA (maximum 20mA no-load), and it features reverse polarity protection to prevent equipment damage caused by reversed power supply polarity. The low-power design reduces system energy consumption, making it suitable for automation systems with dense deployment of multiple sensors.

This sensor features a subminiature rectangular plastic housing with dimensions of only 8mm (width) × 16.2mm (height) × 10.8mm (depth). Its compact structure and small size make it ideal for installation inside space-constrained equipment, at conveyor belt edges, in small mechanical devices, and other locations with limited installation space. The housing material is plastic (PMMA, MABS, PA), and the front optical window is made of PMMA material with good light transmittance, wear resistance, and durability. The connection method is M8 4-pin pre-wired flylead with a cable length of 200mm, pre-connected at the factory for convenient direct wiring and installation without additional connector configuration.

With IP65 protection degree, it provides good dust and water jet resistance, capable of reliable operation in harsh industrial environments such as dust and humidity. The operating temperature range is -20°C to +50°C, adapting to the temperature conditions of most industrial environments. This product is manufactured in Switzerland (CH), following Baumer's strict quality standards.

Note: This product FSDK 07D9601/KS35A is the emitter of a through beam photoelectric sensor and must be used with a corresponding receiver model to complete the object detection function. Using the emitter alone cannot achieve detection function. For the receiver model, please refer to the Baumer selection catalog or Contact via email. Installation and wiring must be performed by professional engineers with electrical operation qualifications, strictly following electrical safety operation procedures.

2. Specifications

表格

Parameter	Value
Brand	Baumer Electric AG (Switzerland)
Order No. / Part No.	10151067
Model	FSDK 07D9601/KS35A
Product Type	Through Beam Photoelectric Sensor
Emitter / Receiver	Emitter
Series	Subminiature Through Beam Sensor
Sensing Principle	Through beam
Light Source	Pulsed red LED
Wavelength	660 nm
Actual Sensing Range Sb	2 m
Nominal Sensing Range Sn	2.5 m
Supply Voltage +Vs	10 ... 30 VDC
Current Consumption (typical)	12 mA
Current Consumption (max., no load)	20 mA
Reverse Polarity Protection	Yes
Output Circuit	No output on emitter (output on receiver side)
Housing Type	Rectangular
Dimensions (W×H×D)	8 mm × 16.2 mm × 10.8 mm
Housing Material	Plastic (PMMA, MABS, PA)
Front Optics Material	PMMA
Connection	M8 4-pin pre-wired flylead, cable length 200mm
Protection Degree	IP65
Operating Temperature	-20 °C ... +50 °C
Storage Temperature	Contact via email
Ambient Humidity	Contact via email
Ambient Light Immunity	Pulsed modulation, ambient light immune
Vibration / Shock Resistance	Contact via email
Response Time	Contact via email (emitter side; overall response determined by receiver)
Indicator LED	Contact via email
Certifications / Standards	Contact via email
RoHS	Exempt
Origin	Switzerland (CH)
Weight	Contact via email (reference approx. 10-20g)
Matching Receiver	Requires matching receiver model (Contact via email)
Minimum Order Quantity	1 piece
HS Code	Contact via email (reference 8536 electrical switches or 8541 semiconductor devices)
Stock Status	Order available
Warranty	12 months

5. Model Explanation

Model: FSDK 07D9601/KS35A

Order No.: 10151067

Product Description: Baumer subminiature through beam photoelectric sensor emitter, pulsed red LED, 660nm wavelength, sensing range 2m, 10-30VDC supply, M8 4-pin pre-wired flylead 200mm, IP65, -20 to +50°C

FSDK 07 Series Overview:

The FSDK 07 series is Baumer's subminiature through beam photoelectric sensor, including emitter (FSDK) and receiver (FEDK) types
Emitter models start with FSDK, receiver models start with FEDK
07 indicates the housing size series (subminiature rectangular, 8×16.2×10.8mm)
This series sensors use pulsed red LED light source with good ambient light immunity
Widely used in object detection, position confirmation, counting, sorting, level detection and other industrial automation applications

KS35A Suffix Description:

KS35A indicates connection type: M8 4-pin pre-wired flylead, cable length 200mm
Other connection options in the same series refer to the Baumer selection catalog (Contact via email)

Matching Receiver Reference:

This product is an emitter and must be used with a Baumer FEDK 07 series receiver
Common matching receiver models include FEDK 07P6901/KS35A (PNP output), FEDK 07N6901/KS35A (NPN output), etc.
For the specific matching receiver model, please Contact via email based on output type (PNP/NPN), connection method, and other requirements

Related Products (ordered separately, Contact via email for confirmation):

Baumer FEDK 07 series through beam sensor receivers (PNP/NPN output options)
Baumer mounting brackets (for 07 series subminiature sensors)
M8 connectors / extension cables
Other Baumer photoelectric sensors (diffuse, retro-reflective, laser, etc.)
Baumer proximity switches, encoders, level sensors and other industrial sensors

Official Documentation Reference:

Baumer FSDK 07D9601/KS35A datasheet
Baumer photoelectric sensor product catalog
Baumer through beam sensor selection guide
Baumer sensor installation and operating instructions

6. Why Choose Us

Professional Procurement, Genuine Baumer Quality Guaranteed — All Baumer sensors and industrial automation products obtained through professional procurement channels, ensuring genuine Baumer original products, with product identification and factory inspection certificates, 12-month quality warranty. Pre-shipment appearance inspection, model confirmation, order number verification, power-on test, and packaging check performed.
Worldwide Delivery, Professional Industrial Electronics Logistics — DHL/FedEx/UPS international courier, global delivery available. Photoelectric sensors and other precision industrial electronic devices use shock-proof moisture-proof anti-static professional packaging, ensuring safe transport. Expedited logistics and customs clearance available, delivery to 200+ countries, meeting urgent project and maintenance needs.
Professional Technical Support, Sensor Full-process Service — Sensor selection consultation (confirming sensing range, light source type, output type, connection method, installation space, environmental conditions), installation guidance (through beam emitter-receiver alignment, mounting bracket selection, wiring specifications, M8 connector wiring guidance), parameter commissioning (sensitivity confirmation, anti-interference settings, PLC/controller signal matching), fault analysis (false alarm troubleshooting, missed detection analysis, ambient light interference handling, cable fault detection, lens cleaning maintenance guidance, spare parts replacement guidance), and spare parts list review, helping users correctly select, install and maintain.
Flexible Procurement, Project Bulk and Spare Parts Framework Agreements — Single unit and bulk project orders, tiered discounts. Complete industrial automation spare parts package solutions available (sensor + PLC + relay + contactor + circuit breaker + connector + cable combination) and annual spare parts framework agreements, helping users optimize procurement cost, ensure spare parts supply, minimize downtime risk. Customized quotations and long-term cooperation solutions available for packaging machinery, logistics automation, electronics manufacturing, automotive manufacturing, food & beverage, pharmaceutical and other industry users.
Pre-shipment Verification, Test Report Available — Appearance, packaging, model, order number checks before shipment; sensor test report available if necessary (power-on test, light source emission test, pairing test with receiver, appearance inspection, accessory inventory), ensuring delivered product in good condition and functional. For urgent project needs (equipment fault repair, production line emergency repair, project commissioning), priority inventory coordination and expedited shipping available.

7. Frequently Asked Questions (FAQ)

Q1: What is FSDK 07D9601/KS35A? What are the main parameters?

A: FSDK 07D9601/KS35A is a through beam photoelectric sensor emitter manufactured by Baumer (Germany/Switzerland), order number 10151067, belonging to Baumer's subminiature through beam photoelectric sensor series.

Core parameters: Brand Baumer, order no. 10151067, model FSDK 07D9601/KS35A, product type Through Beam Photoelectric Sensor, emitter/receiver Emitter, series Subminiature, light source Pulsed red LED, wavelength 660nm, actual sensing range Sb 2m, nominal sensing range Sn 2.5m, supply voltage 10-30VDC, current consumption typical 12mA / max 20mA (no load), reverse polarity protection yes, connection M8 4-pin pre-wired flylead cable length 200mm, housing dimensions 8mm (W) × 16.2mm (H) × 10.8mm (D), housing material plastic (PMMA, MABS, PA), protection degree IP65, operating temperature -20°C to +50°C, origin Switzerland (CH), RoHS exempt.

Main applications: Through beam photoelectric sensors are widely used in industrial automation for object detection, position confirmation, counting, sorting, passage detection, edge detection, level detection, etc. The subminiature housing is suitable for installation inside space-constrained equipment, small mechanical devices, conveyor belt edges, etc. Must be used with a receiver; when an object passes between the emitter and receiver, the light beam is interrupted and the receiver output changes, thereby detecting the object.

Note: This product is the emitter of a through beam sensor and must be used with a corresponding receiver model to complete the detection function. Using the emitter alone cannot achieve object detection. During installation, the emitter and receiver must be precisely aligned to ensure the light beam accurately enters the receiver optical window.

Q2: What is the difference between the emitter and receiver of a through beam sensor? How to pair them?

A: A through beam photoelectric sensor consists of two independent units: an emitter and a receiver, installed on opposite sides of the detection area, working together to complete object detection.

Emitter — this product FSDK 07D9601/KS35A:

Function: Emits a pulse-modulated red LED light beam (wavelength 660nm)
Circuit: Only transmitter circuit, no output circuit
Wiring: Only needs power supply (+Vs and 0V), no output signal wire needed
Current consumption: Typical 12mA, maximum 20mA
Indicator: Usually has power indicator (Contact via email to confirm)
Role: Continuously emits a stable modulated light beam toward the opposite receiver

Receiver — ordered separately, e.g. FEDK 07 series:

Function: Receives the light beam from the emitter, converts optical signal to electrical signal, and outputs a switching signal after processing
Circuit: Includes photosensitive receiving element, signal processing circuit, output circuit (PNP or NPN)
Wiring: Needs power supply (+Vs and 0V) and output signal wire (OUT)
Output type: PNP or NPN options, push-pull output, etc.
Output current: Usually <100mA
Indicator: Usually has power indicator and output status indicator
Protection: Short-circuit protection, reverse polarity protection, etc.
Role: Detects whether the light beam is interrupted and outputs corresponding switching signal to PLC or controller

Pairing method:

Selection pairing: Emitter and receiver must be selected from the same series with the same sensing range. FSDK 07D9601/KS35A (emitter, 2m) should be used with a FEDK 07 series receiver (2m sensing range).
Installation position: Emitter and receiver are installed on opposite sides of the detection area, facing each other with optical windows aligned.
Alignment adjustment: After installation, alignment adjustment is required to ensure the light beam from the emitter accurately enters the center of the receiver optical window. Alignment can be confirmed through the status indicator on the receiver or output signal.
Wiring:
- Emitter: Connect to power supply positive (+Vs, 10-30VDC) and power supply negative (0V/GND), note reverse polarity protection
- Receiver: Connect to power supply positive (+Vs), power supply negative (0V/GND), and output signal wire (OUT), output connects to PLC input or relay
Detection principle:
- No object: Light beam from emitter enters receiver, receiver outputs one state (e.g. light-on/dark-on)
- Object present: Object interrupts light beam, receiver output state flips
- Output logic can be light-on or dark-on, depending on receiver model and settings
Sensing distance: Maximum distance between emitter and receiver is 2m (actual sensing range Sb), nominal distance 2.5m. Installation distance should not exceed maximum sensing distance, otherwise detection may become unstable.

Selection suggestions:

Select receiver based on output type requirement: PNP output (source type, suitable for European standard PLC) or NPN output (sink type, suitable for Japanese standard PLC)
Select based on connection method: M8 pre-wired flylead (KS35A, 200mm) or other connection methods
Select based on installation space: subminiature 07 series (8×16.2×10.8mm) or other size series
If you have selection questions, please provide application scenario, detection object size, installation distance, PLC input type, etc., and we can assist in confirming the complete emitter+receiver pairing model

Q3: What does M8 4-pin pre-wired flylead mean for FSDK 07D9601/KS35A? How to wire it?

A: M8 4-pin pre-wired flylead is a connection method for Baumer sensors. The specific meaning and wiring method are as follows:

M8 4-pin pre-wired flylead explanation:

M8: Refers to M8 circular connector specification (8mm diameter thread), a common small connector standard for industrial sensors
4-pin: The connector has 4 pins, corresponding to 4 wires
Pre-wired flylead: The sensor is factory pre-connected with a length of cable on the sensor body, and the cable end is an M8 4-pin male or female connector. The user simply plugs the M8 connector into the corresponding M8 socket or extension cable
Cable length 200mm: The cable length from the sensor body to the M8 connector is 200mm
The KS35A suffix indicates this M8 4-pin pre-wired flylead, 200mm length connection method

4-pin pin assignment (through beam sensor emitter): Through beam emitters usually only need 2 wires (power positive and power negative), and only 2 of the 4 pins may be used, with the rest being unused or reserved. Specific pin assignment please refer to the Baumer product datasheet:

Pin 1 (Brown): Power supply positive +Vs (10-30VDC)
Pin 3 (Blue): Power supply negative 0V/GND
Pin 2 (White): Unused or reserved (emitter has no output)
Pin 4 (Black): Unused or reserved (emitter has no output)

Note: The above pin assignment is a common standard for industrial sensors; specific subject to Baumer official datasheet. The emitter has no output signal, so output-related pins are unused.

Wiring method:

Direct wiring: If the M8 connector end is bare wire (flylead), directly connect the brown wire to power supply positive (+10~30VDC) and the blue wire to power supply negative (GND/0V).
Wiring through M8 socket: Plug the M8 connector into the corresponding M8 panel socket or extension cable, and wire the other end of the socket to the power supply.
Through M8 extension cable: Use a Baumer M8 extension cable (one end M8 female, one end M8 male or bare wire) to connect the sensor to the terminal block or power supply in the control cabinet.
Power supply requirements: Supply voltage must be within 10-30VDC range, 24VDC industrial standard power supply is recommended. Power supply must be stable with low ripple.
Reverse polarity protection: The sensor has built-in reverse polarity protection; reversed power supply polarity will not immediately damage the sensor but it will not operate normally. Still ensure correct positive/negative polarity during wiring.

Wiring precautions:

Before wiring, ensure the power supply is completely off to prevent electric shock and equipment damage.
Power wires and output wires should be routed separately from power lines (such as motor wires, VFD output wires), avoiding parallel routing to reduce electromagnetic interference.
Cable bending radius should not be less than 5-10 times the cable diameter to avoid excessive bending causing internal wire breakage.
M8 connector should be tightened when connected to ensure IP65 protection is effective. Unconnected connectors should have protective caps installed to prevent dust and moisture ingress.
For long-distance transmission, shielded cable is recommended, with shield single-end grounded (usually grounded at the control cabinet side).
For specific wiring diagrams and pin assignments, please refer to the Baumer FSDK 07D9601/KS35A official datasheet and installation and operating instructions.

Q4: What is the difference between through beam, diffuse, and retro-reflective photoelectric sensors? How to choose?

A: Photoelectric sensors are mainly divided into three types based on sensing principle and structure: through beam, diffuse (diffuse-reflective), and retro-reflective (polarized retro-reflective). Their working principles, installation methods, sensing ranges, and applicable scenarios differ.

Through Beam — this product type:

Structure: Emitter and receiver are two separate units, installed on opposite sides of the detection area
Principle: Emitter emits light beam, receiver directly receives it. When an object passes, it interrupts the beam, and the receiver detects the light intensity change and outputs a signal
Sensing range: Far (this product 2m, some models up to tens of meters)
Advantages: Long sensing range, high detection accuracy, good reliability, not affected by object color and surface reflectivity, can detect transparent objects
Disadvantages: Requires two installation positions, installation and alignment adjustment more cumbersome, higher cost (need to buy emitter+receiver pair)
Applicable: Long-distance detection, high-precision detection, transparent object detection, object counting, passage detection, high-speed object detection

Diffuse (Diffuse-reflective):

Structure: Emitter and receiver integrated in the same housing, installed on one side of the detection area
Principle: Emitter emits light beam, the beam hits the object surface and reflects back, receiver receives the reflected light. When an object is present, reflected light is received and a signal is output
Sensing range: Close (usually a few centimeters to about 1 meter, depending on object reflectivity)
Advantages: Only one installation position needed, simple installation, lower cost
Disadvantages: Sensing range greatly affected by object color and surface reflectivity (white/reflective objects have longer range, black/light-absorbing objects have shorter range), lower detection accuracy, may be interfered by background objects
Applicable: Short-distance detection, occasions with stable object surface reflectivity, locations with only one-sided installation space

Retro-reflective (Polarized Retro-reflective):

Structure: Emitter and receiver integrated in the same housing, installed on one side of the detection area, with a reflector (reflective plate) installed opposite
Principle: Emitter emits light beam, the beam hits the opposite reflector and reflects back, receiver receives the reflected light. When an object passes, it interrupts the beam, and the receiver detects the light intensity change and outputs a signal
Sensing range: Medium (usually 0.1m to about 10m, depending on reflector size)
Advantages: Only one electrical installation position needed (reflector requires no wiring), relatively long sensing range, not affected by object color (polarized type can detect highly reflective objects), simpler installation than through beam
Disadvantages: Requires reflector installation, cost between through beam and diffuse, reflector needs to be kept clean
Applicable: Medium-long distance detection, limited one-sided installation space, need to detect transparent or highly reflective objects, logistics sorting, door control detection

How to choose:

Sensing distance: Long distance (>2m) prioritize through beam; medium distance (0.5-10m) choose retro-reflective or through beam; short distance (<0.5m) choose diffuse
Installation space: Both sides have installation space and require high reliability choose through beam; only one side has installation space choose diffuse or retro-reflective
Object characteristics: Transparent objects, highly reflective objects, black light-absorbing objects prioritize through beam or polarized retro-reflective; stable object surface reflectivity can choose diffuse
Cost budget: Limited budget choose diffuse; sufficient budget and high reliability requirement choose through beam
Installation and maintenance: Want simplest installation choose diffuse; don't mind installing reflector choose retro-reflective; don't mind two-sided installation and alignment choose through beam

This product FSDK 07D9601/KS35A is a through beam emitter, suitable for object detection applications requiring 2m sensing distance, high precision, and high reliability. If you have selection questions, please provide application scenario, detection object size and material, installation distance, installation space, etc., and we can assist in selecting the most suitable sensor type and model.

Q5: In stock? Lead time? Price?

A: Currently Order Available. Specific stock of Baumer sensor products fluctuates with market.

Lead time: Standard 2-6 weeks (Baumer standard industrial sensors, some common models may be in stock, specific subject to formal quotation).
Price: Subject to formal quotation, depends on quantity, supply channel, whether includes technical service and on-site commissioning support, etc. Bulk procurement enjoys tiered discounts.
Package solutions: Complete sensor package solutions available (emitter+receiver pairing + mounting bracket + M8 extension cable + connector combination), combined procurement price more favorable. Through beam sensors require purchasing both emitter and receiver for normal use.
Expedited service: For urgent needs (equipment fault repair, production line emergency repair, project commissioning), we can try to coordinate stock or expedited ordering, please contact sales team.
Please indicate: required quantity, desired delivery time and destination, whether matching receiver and mounting bracket needed, whether M8 extension cables or other accessories needed when inquiring; we will coordinate fastest delivery and optimal price.

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