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PHOTOELECTRIC SENSORS

PHOTOELECTRIC SENSORS

Product catalog summary

Working Principle: Photoelectric sensors, or photocells, operate using light emission principles combined with electronics. They consist of a light source (emitter) and a receiver, converting light beam interruptions into electrical signals for applications like presence detection and position control. These sensors use infrared or red light and come in types such as direct reflection, reflection with reflector, polarized reflection, and thru-beam emitter-receiver.

Types of Sensing:

Direct Reflection (P Type): Emitter and receiver are close, sensing based on light reflection from objects, influenced by object color and surface.
Reflection with Reflector (R Type): Similar to P Type but uses reflectors for longer sensing distances.
Polarized Reflection with Reflector (AR Type): Uses polarized light for accurate sensing on shiny surfaces.
Thru Beam Emitter-Receiver (B Type): Emitter and receiver face each other, sensing occurs when the light beam is interrupted, suitable for large distances and high-security applications.

Series and Models:

FT18SP - FT18SM Series: Cylindrical construction with plastic or nickelled brass housing, available in 10-30Vdc with NPN or PNP outputs, featuring sensitivity adjustment and various beam configurations.
FT18EL - FT18 Series: Similar to FT18SM, available in 10-30Vdc and 20-250Vac, with programmable outputs.
FTQ Series: Compact plastic housing, available in multivoltage with relay output, featuring sensitivity adjustment and LED indicators.

Installation Recommendations:

Ensure sensors are immune to ambient light and properly fixed to avoid beam misalignment.
In disturbed environments, use barrier-type sensors with separate emitter and receiver.
Keep connection wires separate from power cables to avoid interference.

Technical Terminology:

Sensing Distance (Sn): Maximum distance for object detection varies by sensor type.
Light On/Dark On Output: Refers to the sensor's state in the absence of an object.
Type of Light Emitted: Solid-state red or infrared light, easily modulated.
Power On Delay: Time lapse before sensor outputs are activated to prevent false signals.

Technical Specifications:
1. Nominal Voltage (Vn): Voltage range for correct operation.
2. Residual Ripple: Alternating voltage percentage on continuous supply voltage.
3. Max Output Current: Maximum current for continuous operation.
4. Absorption: Maximum current consumption at nominal voltage without load.
5. Voltage Drop: Voltage drop when output is activated.
6. Short Circuit Protection: Prevents damage from short circuits.
7. Interference from External Light: Maximum interference limit from incandescent light or sunlight.
8. Temperature Limits: Operating temperature range for functionality.
9. IP Rating: Dust and water protection levels, IP65 or IP67.

Connection Procedures:
1. Series Connection (AND Logic): Sensors activate one output when excited simultaneously, consider voltage drop and absorption.
2. Parallel Connection (OR Logic): Sensors independently activate the common output, use decoupling diodes.
3. A.C. Power Supply: Ensure connections are made to the same phase to avoid issues with minimum load conditions.

Programming and Sensitivity Adjustment:
1. Trimmer Adjustment: Adjust sensitivity by rotating the trimmer, clockwise for maximum sensitivity, anti-clockwise to reduce.
2. NPN/PNP Switch: Change output type by rotating the switch, do not switch while powered.
3. LED Indicators: Yellow LED indicates operation status; Green LED indicates stability and alignment.

Recommendations:
1. Use appropriate tools for adjustments to avoid damage.
2. Ensure proper programming before powering the photocell.
3. Follow wiring diagrams for correct connections.

Overview: The document provides technical specifications and operational guidelines for photoelectric sensors, specifically the FT18 series. It includes details on LED indicators, adjustment mechanisms, and accessories for precision applications.

Specifications:

LED Indicators: Red LED indicates optimal alignment and output signal levels, yellow LED signals when an object enters the sensing range.
Sensing Range Adjustment: A trimmer is used to adjust the sensing range, with maximum range achieved by rotating clockwise.
Switches: The photocell includes switches for NPN/PNP output and relay ON/OFF functions.

Accessories:

OT Shutters: Reduce the light beam for detecting small objects (up to 1 mm) and include a locknut, protection glass, sealing gasket, and perforated disc.

Technical Characteristics:

Housing: Available in plastic or metallic options.
Output: Programmable NPN/PNP with NO+NC functions.
Light Source: Infrared and red light options.
Temperature Limits: -20 to +60°C.
IP Rating: IP67 for protection against dust and water.

Operational Recommendations:

Ensure proper programming of the photocell before power supply using the NO or NC function switch.

Tables and Data:

Tables provide distances and object sizes for OT shutters, as well as technical specifications for various models and configurations.

Overview: This document provides technical specifications and operational details for various models of photoelectric sensors, specifically the FTQ and FT18 series. These sensors are used for detecting objects through different methods such as direct reflection, reflection with a reflector, polarized reflection, and thru-beam.

Specifications: The FTQ series sensors feature a compact size of 50 x 50 x 18 mm, with a relay output that is programmable for ON/OFF operations. They operate within a voltage range of 12 to 240 VDC/AC and have a sensitivity adjustment feature. The FT18EL series sensors have a cylindrical housing with dimensions M18 x 1 and offer functions such as NO + NC with axial and 90° beam options. They operate within a voltage range of 10 to 30 VDC.

Technical Characteristics: Both series of sensors are equipped with LED indicators for operation and stability. The FTQ series uses infrared and red light sources, while the FT18EL series uses infrared light. The sensors have varying sensing distances depending on the model and the type of reflection used. They are designed to withstand environmental conditions with temperature limits ranging from -20 to +60°C and have an IP rating for protection.

Installation and Usage: The sensors are available with different mounting options, including models with cables and H plug connectors. The FT18SM-CFR amplifier is noted for its ease of installation and robust mechanical design. It supports both NPN and PNP outputs, selectable via a switch, and offers antiphase NO+NC static output.

Fiber Optic Sensors: The document also covers fiber optic sensors, which function similarly to other photoelectric sensors but use optical fibers to transport light. These sensors are suitable for detecting very small objects and can be installed in confined spaces. They are resistant to mechanical damage and vibrations, making them ideal for use in challenging environments.

Applications: The sensors are used in various applications, including detecting the presence of labels on transparent films, checking the form of components, and detecting inverted caps. The document provides diagrams and characteristic curves to illustrate the performance of the sensors under different conditions.

Technical Specifications: The document provides detailed specifications for the FT18SM-CFR series fiber optic sensors. It includes information on wiring diagrams, power supply, and output configurations. The sensors are available in models with cables and H connectors, offering programmable outputs (NPN/PNP) and sensitivity adjustments. The sensors are housed in a metallic cylindrical casing with an IP rating of 65 and operate within a temperature range of -20 to +60°C.

Accessories for Mounting and Installation: Mounting brackets ST18 and ST3 are available for installation, with the latter suitable for DIN rail mounting. The document includes examples of installation using these brackets.

Wiring Diagrams: Detailed wiring diagrams are provided for both direct reflection and thru-beam fiber configurations, indicating the connections for power supply and output signals.

Programming and Adjustment: The document outlines procedures for adjusting the sensitivity of the sensors using a trimmer and switching between NPN and PNP outputs. It emphasizes not to switch outputs while the photocell is powered. The yellow LED serves as an operation indicator, lighting up when an object is detected.

Assembly Procedures: Instructions for assembling fibers into the FT18SM-CFR sensor are provided, including steps for inserting and securing fibers using a locknut.

Suggestions for Correct Use: Guidelines for cutting and fixing fibers are included, highlighting the importance of sharp cuts and appropriate bending radii to maintain sensitivity. The document also advises on the correct installation of single and multi-cored fibers.

Additional Notes: The AT-4101 lens can increase the sensing distance by approximately eight times when used with both the emitter and receiver. The document also provides information on the use of stainless sleeve fibers for installations in hard-to-reach areas.

Catalog excerpts

AECO_81-102_2012.qxp:AECO_81-102_2010 24-10-2012 16:03 Pagina 82 PHOTOELECTRIC SENSORS FT SERIES SENSORI FOTOELETTRICI SERIE FT PRINCIPIO DI FUNZIONAMENTO WORKING PRINCIPLE I sensori fotoelettrici o fotocellule sono dispositivi elettronici che utilizzano i principi dell’emissione luminosa combinata con l’elettronica e sono composti da una sorgente luminosa o emettitore il cui raggio viene rilevato da un ricevitore. La variazione del segnale luminoso, che si ottiene interrompendo questo raggio, viene trasformata in un segnale elettrico rilevato ed utilizzato da un apposito circuito elettronico....

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AECO_81-102_2012.qxp:AECO_81-102_2010 24-10-2012 16:03 Pagina 83 SENSORI FOTOELETTRICI SERIE FT PHOTOELECTRIC SENSORS FT SERIES ESECUZIONI DISPONIBILI TYPES AVAILABLE SERIE FT18SP - FT18SM Costruzione cilindrica M18x1 con custodia e ghiere di fissaggio in materiale plastico o ottone nichelato. Modelli con alimentazione da 10 ÷ 30Vcc programmabili NPN o PNP con uscita statica NO+NC, led giallo per indicazione di stato, regolazione della sensibilità standard. Tutti i modelli sono disponibili con ottica diritta oppure a 90° con uscita a FT18SM cavo oppure con attacco H per connettore M12. FT18SP...

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AECO_81-102_2012.qxp:AECO_81-102_2010 24-10-2012 16:03 Pagina 84 SENSORI FOTOELETTRICI SERIE FT PHOTOELECTRIC SENSORS FT SERIES DESCRIZIONE TERMINOLOGIA TECNICA DESCRIPTION OF TECHNICAL TERMINOLOGY TENSIONE NOMINALE (Vn) Indica i valori di tensione continua o alternata minimi e massimi entro i quali la fotocellula funziona correttamente. NOMINAL VOLTAGE (Vn) Indicates the maximum and minimum voltage values within which the photocell works correctly. ONDULAZIONE RESIDUA L’ondulazione residua è definita come rapporto percentuale fra la tensione alternata (picco-picco) sovrapposta alla tensione...

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AECO_81-102_2012.qxp:AECO_81-102_2010 24-10-2012 16:03 Pagina 85 SENSORI FOTOELETTRICI SERIE FT PHOTOELECTRIC SENSORS FT SERIES ALIMENTAZIONE IN C.A. - COLLEGAMENTI IN SERIE E PARALLELO A.C. POWER SUPPLY - SERIES OR PARALLEL CONNECTIONS Possono essere effettuati collegamenti in serie e parallelo. E’ importante per i collegamenti in parallelo collegare i sensori sempre alla stessa fase. Inoltre porre attenzione in questo tipo di collegamento alla corrente di fuga totale dei sensori collegati (ogni sensore ≤ 2 mA) che potrebbe creare problemi di funzionamento in condizioni di carico minimo. Connection...

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AECO_81-102_2012.qxp:AECO_81-102_2010 24-10-2012 16:03 Pagina 86 INSTRUCTIONS FOR THE PROGRAMMING AND SENSITIVITY ADJUSTMENT MODALITÀ DI PROGRAMMAZIONE E REGOLAZIONE SENSIBILITÀ MODELLI FT18SP-FT18SM 10÷30 Vcc / FT18SP-FT18SM MODELS 10÷30 Vdc TRIMMER PER LA REGOLAZIONE DELLA SENSIBILTÀ: La fotocellula viene fornita con sensibilità massima con trimmer ruotato tutto in senso orario. Per diminuire ruotare in senso antiorario. TRIMMER FOR THE SENSING RANGE ADJUSTMENT: The photocell is supplied with max. sensing range with the trimmer totally rotated in the clockwise direction. The sensitivity reduces...

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AECO_81-102_2012.qxp:AECO_81-102_2010 24-10-2012 16:03 Pagina 88 SENSORI FOTOELETTRICI M18x1 OTTICA ASSIALE 10 ÷ 30 VCC PHOTOELECTRIC SENSORS M18x1 AXIAL BEAM 10 ÷ 30 VDC • SERIE FT18SP CUSTODIA PLASTICA / FT18SP SERIES PLASTIC HOUSING • SERIE FT18SM CUSTODIA METALLICA / FT18SM SERIES METALLIC HOUSING FT18SP FT18SM - Uscita programmabile NPN/PNP Programmable output NPN/PNP - Funzione NO+NC Functions NO+NC - Regolazione sensibilità Sensitivity adjustment CARATTERISTICHE TECNICHE TECHNICAL CHARACTERISTICS Dimensioni / Dimensions mm SISTEMA DI RILEVAMENTO TYPE OF SENSING FT18SP CUSTODIA PLASTICA...

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AECO_81-102_2012.qxp:AECO_81-102_2010 24-10-2012 16:03 Pagina 89 SENSORI FOTOELETTRICI M18x1 OTTICA A 90° 10 ÷ 30 VCC PHOTOELECTRIC SENSORS M18x1 90° BEAM 10 ÷ 30 VDC • SERIE FT18SP CUSTODIA PLASTICA / FT18SP SERIES PLASTIC HOUSING • SERIE FT18SM CUSTODIA METALLICA / FT18SM SERIES METALLIC HOUSING FT18SP 90° FT18SM 90° REGOLAZIONE SENSIBILITA’ SENSITIVITY ADJ. 36 PNP-NPN LED 25 REG. SENSIBILITA’ / SENSITIVITY ADJ. PNP/NPN 45 25 LED 102 (CBR) 95 (CBE) 102 (CBR) 95 (CBE) REG. SENSIBILITA’ / SENSITIVITY ADJ. 45 REGOLAZIONE SENSIBILITA’ SENSITIVITY ADJ. PNP-NPN LED 36 25 25 PNP/NPN LED 103 (CBR)...

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AECO_81-102_2012.qxp:AECO_81-102_2010 24-10-2012 16:03 Pagina 90 SENSORI FOTOELETTRICI SERIE FT18 20 ÷ 250 VCA PHOTOELECTRIC SENSORS FT18 SERIES 20 ÷ 250 VAC • CUSTODIA CILINDRICA PLASTICA M18 x 1 / 3 FILI IN C.A. / USCITA PROGRAMMABILE NO / NC / REGOLAZIONE DELLA SENSIBILITÀ / OTTICA ASSIALE • PLASTIC CYLINDRICAL HOUSING M18x1 / 3 WIRES A.C. / PROGRAMMABLE OUTPUT NO / NC / SENSITIVITY ADJUSTMENT / AXIAL BEAM Commutatore / Switch NO/NC CARATTERISTICHE TECNICHE TECHNICAL CHARACTERISTICS ATTACCO H PER CONNETTORE H PLUG FOR CONNECTOR Reg. sensibilità Sensitivity adjustment Dimensioni / Dimensions...

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AECO_81-102_2012.qxp:AECO_81-102_2010 24-10-2012 16:04 Pagina 91 SENSORI FOTOELETTRICI SERIE FT18 OTTICA A 90° 20 ÷ 250 VCA PHOTOELECTRIC SENSORS FT18 SERIES 90° BEAM 20 ÷ 250 VAC • CUSTODIA CILINDRICA PLASTICA M18 x 1 / 3 FILI IN C.A. / USCITA PROGRAMMABILE NO / NC / REGOLAZIONE DELLA SENSIBILITÀ / OTTICA A 90° • PLASTIC CYLINDRICAL HOUSING M18x1 / 3 WIRES A.C. / PROGRAMMABLE OUTPUT NO / NC / SENSITIVITY ADJUSTMENT / 90° BEAM Reg. sensibilità / Sensitivity adjustment Commutatore / Switch NO/NC ATTACCO H PER CONNETTORE H PLUG FOR CONNECTOR RIFLESSIONE CON CATARIFRANGENTE REFLECTION WITH REFLECTOR...

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AECO_81-102_2012.qxp:AECO_81-102_2010 12-11-2012 17:15 Pagina 92 SENSORI FOTOELETTRICI SERIE FTQ NPN/PNP 10 ÷ 30 VCC PHOTOELECTRIC SENSORS FTQ SERIES NPN/PNP 10 ÷ 30 VDC • CUSTODIA COMPATTA 50 x 50 x 18 mm / USCITA PROGRAMMABILE NPN/PNP / FUNZIONE USCITE NO+NC / REGOLAZIONE DELLA SENSIBILITÀ • COMPACT SIZE 50 x 50 x 18 mm / PROGRAMMABLE OUTPUT NPN/PNP / OUTPUT FUNCTION NO+NC / SENSITIVITY ADJUSTMENT Commutatore Switch LED Indicazione di stato LED Operation indicator Commutatore / Switch NPN/PNP NPN/PNP Reg. Sensibilità Sensitivity adj. Reg. Sensibilità Sensitivity adj. Ottica Passacavo in gomma...

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PHOTOELECTRIC SENSORS

PHOTOELECTRIC SENSORS

Catalog excerpts

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