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In all automated processes the use of sensors to provide information for the plc is of prime importance. Sensors supply the necessary signals on positions, end stops, levels or serve as pulse transmitters for counting jobs or for monitoring rotational speed. In industrial usage inductive and capacitive proximity switches are indispensable. As compared to mechanical switches they offer almost ideal conditions: non-contact, maintenance-free operation, high switching frequencies and switching accuracies as well as high protection against vibration, dust and humidity.
Inductive sensors detect all metals without contact, capacitive sensors detect nearly all solid and liquid media such as metal, glass, wood, plastic, water, oil, etc...
Both inductive and capacitive proximity switches are available in NAMUR versions. In conjunction with an NV0100/NV0200 amplifier the sensors can be used in zone 1 hazardous areas (the amplifier which contains Zener barriers as well as power supply and output must be mounted outside the hazardous area).
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In industrial processes where liquids, air or gases are used valves serve for dosing and control. There is a wide variety of valve types, butterfly or ball valves being the most common quarter-turn types.
In large plants these valves are seldom operated manually. Mechanical actuation is normally done by separate actuators. The valve position must be monitored electronically. This is necessary to give feedback to the controller when a certain position (e.g. "open" or "closed") is reached and to monitor the valves centrally from a control room.
Mechanical switches are still often used for position feedback on the actuator shaft. For other solutions several proximity switches are used together with a switching target for position detection. Disadvantage of these solutions: Mounting is mechanically complex. During switch mounting the signal wires can be reversed when they are connected in the top-mounted junction box. Where there are temperature fluctuations condensing humidity leads to corrosion and thus malfunction.
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Inductive Sensors
Inductive proximity sensors are the preferred choice for the majority of applications requiring accurate, non-contact detection of metallic objects in machinery or automation equipment. As a pioneer and market leader, Pepperl+Fuchs offers innovative, high quality inductive sensors to meet the needs of the worldwide automation and process control markets. Our experience, flexibility and customer focus continues to allow us to offer custom designed solutions for the most unique and demanding applications.
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Inductive Proximity Switches SIMATIC PXI
Instinctive Response to Metal
When identifying metal objects without contact, inductive proximity switches are simply the most cost-effective solution. If an electrically or magnetically conductive object approaches or leaves, they automatically send out a signal change. Inductive proximity switches are extremely reliable with a high repeat accuracy. And thanks to wear-free operation as well as resistance to temperature, noise, light or water, they have a markedly long service life. We cover the complete application spectrum with a large variety of designs and transmission ranges.
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Inductive proxistor's detect the presence of ferrous or non-ferrous metals without making contact and offer metal sensing unaffected by dirt, oil humidity & dust. This makes them particularly suitable for use in both the machine tool and general manufacturing environments where they are present in great volume and variety.
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Inductive sensors (IAS) feature transistorised oscillators whose power consumption is influenced by the approach of metals and other electrically conductive materials such as carbon. Non-conductive metals can also achieve this effect.
These devices can be used as limit switches and position sensors for monitoring and positioning applica-tions in machines and installations as well as pulse generators for counter systems, distance measurements, speed control and many other applications
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Features
Compact design
Metal connector
Ring-diameter 6mm to 100 mm
Static operating principle
High resolution
Short response time
Pulse stretching adjustable
Short-circuit protection
Protection class IP 67
Typical fields of application
Applications in the assembling technology and supply automation, e.g. detection and jam control of small metallic parts in feed hoses.
Wire break detection etc.
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The M300 & M800 are underspeed sensors that use microprocessor technology:
M300 – universal supply voltage, 30mm diameter body, single trip point at 20% below calibrated speed. ATEX Approved.
M800 – universal supply voltage, DIN style enclosure, dual trip points at 10% & 20% below calibrated speed, tacho output. Not ATEX Approved.
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P100 18mm Inductive Sensor
Detects the presence of metallic objects in dangerous conditions such as in handling, warehousing, packaging, conveying, assembly, processing, etc.
May also be used to generate pulses for the detection of rotational speed
2-wire multi-voltage technology or 10-30 VDC NPN/PNP
Detects up to 8mm
Other products available:
- P300 30mm Inductive Proximity Switch
- P800 DIN Style Inductive Proximity Switch
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Balluff offers a variety of inductive sensor solutions: standard designs, block styles, extended range, weld field-immune, specialized sensing – whatever the need, there’s a Balluff inductive sensor that will provide optimum service. From Mini to Maxi block style sensors from 5 x 5 mm to 80 x 80 mm, and tubular housings from 3 mm to M30 sizes, Balluff inductive sensors monitor, control, measure, and automate production sequences with high reliability and freedom from wear.
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The portfolio of the inductive sensors of Leuze electronics contains most different designs and switching gaps and covers thus many application possibilities. In compact execution the Leuze sensors can be integrated easily when assembling, handling or robotics applications.
The requirements after large ranges, as for instance in the promotion and storage engineering the variants with up to 40 become millimeters switching gap fairly.
Full metal remarks to M30 offer mechanical protection in metal or woodworking machines. Against cleaning agents steady high-grade steel variants in V4A with enclosure IP69K as well as ECOLAB certificate fulfill the requirements of the food processing, - filling, - packing or pharmaceutical industry.
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Inductive sensors
Inductive sensors use the interaction between metallic conductors and their electromagnetic alternating field. Eddy currents are induced in the conductor, which remove energy from the field and thus reduce the height of the oscillation amplitude.
This change is evaluated by the inductive sensor.
SensoPart offers a variety of inductive sensors with standard or enhanced working ranges.
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Proximity sensors are the most common and affordable solution for no-touch object detection. The most commonly-used proximity sensor is the inductive type, which generates an electromagnetic field to sense metal objects passing close to its face. This is usually the easiest sensing technology to apply in applications where the metal object to be detected is within an inch or two of the sensor face. Autonics offers 12 products of 6 different types of proximity sensors, inductive and capacitive, and maintains No. 1 market share in Korea for more than 10 years, and still endeavoring to advance product quality and sensing reliability up to the top level of global marketplace. If you are looking for the most cost effective and reliable proximity sensors, Autonics is the answer.
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Inductive sensors
Capacitive sensors
Photoelectric sensors
Tilt sensor
Photoelectric safety devices
Coded magnetic switches / Safety transponder system
Safety magnetic controller
Magnetic switches
Float switches
Sensors for potentially explosive atmospheres
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Series 300 - Smaller than small!
- Smallest fully self-contained inductive proximity switches in the world.
- Ø3 mm and M4, housing length 22 mm, weight approx. 2 g (with 100 mm cable).
- Operating distance of 0.6 mm, or 1 mm (increased).
- Safe operation; all usual protection functions of larger devices are built in.
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These are electronic transducers which produce an output signal
when a metallic object (steel, aluminium, copper, brass etc)
enters into their sensing area from any direction without coming
into contact.
-Cylindrical series 4-5-6.5-8-12-14-18-30 mm.
-Rectangular series dim:
8x8x40 - 10x16x28 - 12x26x40 - 17x17x30
-40x40x113 - 80x80x50 mm.
-Sensing distances from 1 ÷ 50 mm.
-NAMUR types from 5 ÷ 24 Vdc
-NAMUR EX types
-Amplified 2 wire types from 10 ÷ 30 Vdc.
-Amplified 3 and 4 wire
types NPN or PNP from 10 ÷ 30 Vdc.
-Amplified 2 wire types 20 ÷ 250 Vdc.
-Led incorporated
-Short circuit protection for amplified types.
-max. output current for D.C. 200mA for AC. 300 mA
-All types are available with cable or plug for connector.
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inductive sensors
- starting at Ø 3mm
- DC-, Namur- and AC-versions
- plug or cable connection
- normally open, normally closed, antivalent output
- 2-, 3- und 4-wire technology
- stainless steel, brass-, plastic housings
- short circuit protection/reverse battery protection/overload protection
- pressure resistant sensors up to 300 bar
- special designs on request
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Osiprox XS6 Auto-adaptable 12 mm Barrel Inductive Sensor
Features:
Auto-Adaptable Capability
Self-contained, 12 mm housing style
Sensing Range up to 9 mm (.35")
UL Approved
CE Approved
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Warner Electric has many years of experience in applying sensors and switches in motion control applications. Our broad range of innovative and technologically advanced products offers our customers the exact solution to satisfy their sensing applications needs.
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general data mounting type shielded
special type with banking screw
nominal sensing distance Sn 0,4 mm
hysteresis 3 ... 20 % of Sr
output indicator 4 port LED red
electrical data switching frequency < 5 kHz
voltage supply range +Vs 10 ... 30 VDC
current consumption max. 18 mA
voltage drop Vd < 2,5 VDC
output current < 100 mA
short circuit protection yes
reverse polarity protection yes
mechanical data type cylindrical threaded
material (sensing face) PBT
housing material steel / hardened steel
dimension 8 mm
housing length 56 mm
connection types connector M8
ambient conditions operating temperature -25 ... +75 °C
protection class IP 67
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Features
Introducing the newest member of the rectangular proximity sensor line, the GX-F/H series. This exciting new series offers an unprecidented level of stability, durability, and workability. Using advanced manufacturing techniques, SUNX is able to create sensors that are minimize part to part variance and offer a detection distance that only varies by a maximum of 0.4mm! The result is an incredibly stable detection that is suitable for usage in high volume applications where precision from installation to installation is imperative.
The environmental characteristics of the GX-F/H series further solidify its high-end performance, easily surpassing conventional products. The IP68g enclosure completely isolates the sensor from the effects of dirt, water, or oil allowing usage in very harsh environments. The series also exhibits an extrememly tight deviation of sensing characteristics, +/-8%, over its usable temperature range of -25 to +70 degrees C. Add in a 10X increase in vibration in shock resistance over our previous models and you are left with the most durable proximity sensor SUNX has created to date. Lastly, SUNX has added a metal sleeve in the mounting hole to increase tightening strength, and doubled the wiring gauge to make workability far easier then our previous models. Installation has never been easier. Download the full product catalog for more information or contact us today!
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Proximity Sensors are available in models using high-frequency oscillation to detect ferrous and non-ferrous metal objects and in capacitive models to detect non-metal objects. Models are available with environment resistance, heat resistance, resistance to chemicals, and resistance to water.
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There are millions of inductive sensors deployed in almost every area of factory automation. They detect metal objects contactless and are distinguished by a long operating life and extreme robustness. The sensors from SICK provide optimum precision and reliability using the most modern ASIC technology.
SICK can always provide the right solution to meet your requirements - from cylindrical and rectangular standard sensors with one, two or three set switching distances to special sensors for Ex-zone applications and harsh environments. It is the intelligent, reliable route to implementing industry-specific and customized solutions to any task involving automation.
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The industry standard inductive sensors provide the highest reliability for machine part and metal object detection from short to long distance detection, in special environments, for special mounting conditions, special applications or special connectivity requirements.
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High Stability Inductive Proximity Sensor
Introducing the newest member of the rectangular proximity sensor line, the GX-F/H series. This exciting new series offers an unprecidented level of stability, durability, and workability. Using advanced manufacturing techniques, SUNX is able to create sensors that are minimize part to part variance and offer a detection distance that only varies by a maximum of 0.4mm! The result is an incredibly stable detection that is suitable for usage in high volume applications where precision from installation to installation is imperative.
The environmental characteristics of the GX-F/H series further solidify its high-end performance, easily surpassing conventional products. The IP68g enclosure completely isolates the sensor from the effects of dirt, water, or oil allowing usage in very harsh environments. The series also exhibits an extrememly tight deviation of sensing characteristics, +/-8%, over its usable temperature range of -25 to +70 degrees C. Add in a 10X increase in vibration in shock resistance over our previous models and you are left with the most durable proximity sensor SUNX has created to date. Lastly, SUNX has added a metal sleeve in the mounting hole to increase tightening strength, and doubled the wiring gauge to make workability far easier then our previous models. Installation has never been easier. Download the full product catalog for more information or contact us today!
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These are sensors which have their sensing area formed in a ring
and sensing occurs when a metallic mass enters this ring. They are
particularly suitable for sensing, counting and checking small metal
parts: screws, nuts washers etc. or for similar applications.
-They are supplied with internal diameter
5-12-15-22-25-30- 44-63-100 mm.
-NAMUR types from 5 ÷ 24 Vdc
-NAMUR EX types
-Amplified 3 and 4 wire types NPN or PNP from 10 ÷ 30 Vdc
SIA25 totally screened against mutual interference
-Led incorporated
-Max. output current 200 mA
-Types with retained impulse 100 ms
All types are available with cable or plug for connector
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Proximity Sensors:
Metal bodied Proximity sensors with long detection range and 3 year Warrantee.
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The QUADRO-PROX series of inductive proximity switches is available with detection ranges from 0,2 up to 18 mm. The polycarbonate or metal housings with the QUADRO® (PDF) design are ideal for heavy duty applications or where space is at a premium.
The electronics have been built to conform to industry standards. Power supply of 10 - 30V and PNP / NPN / Namur output configurations are all available.
Next to the standard products DIS also supplies many CUSTOMIZED inductive switches.
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