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PRAS1: Contact-Free 360° Angle Sensor in Ultra-Compact M-12 Housing
ASM GmbH sets the new benchmark for angular position sensors with the new development of a magnetic angle sensor in a very compact M12 housing. The PRAS1 sensor provides absolute position measurement over full 360° sensing range and is part of the successful POSIROT® family of magnetic angular sensors. With only a 1/2 inch diameter and overall length of less than 2 inches, this small sensor saves space and can be installed in the tightest locations.
The contact-free and wear-free angular measurement of 0° to 360° is achieved by using a position magnet. PRAS1 has a typical resolution of 0.1° and yields an analog signal through the use of a D/A converter. Three different analog outputs are available: 4-20 mA, 0.5-4.5 V and 0.5-10V. The industrial housing is rated up to IP68.
With its dependable and rugged design, the PRAS1 angle sensor is well suited for angle monitoring in a wide variety of heavy duty applications such as factory automation equipment, variable valve controls, mobile working machines, etc.
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General description
Features
- Patented non-contact angular position sensor
- Magnet/sensor orientation provides intrinsically linear output over 120 degree maximum travel without the need for electrical compensation
- Provided with programmed output or end-user re-programmable to compensate for tolerances in your final assembly
- Programmable offset, gain, temperature compensation, and clamping voltage
- Fully encapsulated electronics to IEC IP67
Optional Features
- Redundant dual outputs
- Sealed mechanical portions to IP67
- Operating temperature range to 125°C
- Return spring
Applications
- Throttle and valve position sensing
- User interface controls (vehicles, gaming)
- Pedal position sensing
- Implement position sensing
- Gear selection
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Gill angle position sensors are ideal for monitoring angular position in applications where high dither life of the angle sensor is essential. All Gill angle sensors use inductive technology to sense the position of a metallic object which is mounted to the application. There is no contact between the sensor and the moving part which gives infinite dither life.
Gill angle sensors are fully sealed with no internal moving parts, ideal for applications subject to extreme environments where grime, moisture and vibration are factors.
All of the angle sensors below are capable of monitoring 0-45 and can be configured to operate over the exact measurement range required, giving the highest possible accuracy for each application.
Sensors suitable for Angular position applications are shown below. Please select the sensor which best suits your application to view technical specifications, dimension details and application ideas.
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Electronic angle-measurement
with signal-exit 4-20 mA
for example angle-measurement at the boom-crane.
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NAI offers resolver-based absolute Position Sensors for the packaging, material handling, and automated manufacturing industries. They include high-accuracy and rugged designs that simplify machine set-up, reduce overall costs, extend product life, and provide a very high level of application flexibility.
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The RT8000 Series rotational transducer is designed to track the position of a rotating shaft or object. This series is available in any of 3 analog industry-standard output signals in a wide assortment of full stroke ranges starting at 0-45° all the way up to 200 turns.
Environmental suitability: NEMA 6, IP68
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The combination of a coder with ends of the road in the same case increases the reliability and the safety of the machines, because of two independent checking circuits in the same case.
The coder integrated provided information uninterrupted of the movement in 5-30 VDC with a resolution from 100 to 5000 increments. The programmable ends of the road, the catch of origin are regulated freely with the position wished.
The adjustment of the ends of the road is very simple: the case is assembled on the machine, the machine is then led manually to its limiting position, the end of the road is positioned with a key of programming. This procedure is repeated for the other end of the road.
The case is well protects by its cap against dust or any external intervention; all the signals are cabled on a connector with the back of the case.
These cases can also be provided with potentiometers.
COMP' AUT will be able to best advise the customer in the choice of the case being appropriate for its application.
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The Penny + Giles rugged, high integrity RVDT displacement transducer is designed for operation in harsh automotive and motorsport environments.
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No One Protects Large Turbines like GE
The transducers in this category measure changes in machine case positions as they expand or contract, rotary or linear position of control valves, or wicket gate position on hydroelectric turbines. They are typically used in conjunction with other transducers as part of a Turbine Supervisory Instrumentation (TSI) package, designed to monitor all critical machinery parameters on large steam, gas, or hydraulic turbines used in power generation applications.
The 3300 XL Rotary Position Transducer (RPT)
This innovative transducer incorporates a proximity probe observing an eccentric cam. The changing gap between probe tip and cam corresponds to degrees of rotation, and is specifically designed for valve position measurements. It is a superior alternative to older potentiometer transducers which have poor reliability.
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Different versions available.
Position switches are used to monitor the position of moving parts of machines and plant. Can be used in safety circuits, as the device satisfies EN 60947-5-1 / DIN VDE 0660 part 200, and the opening contacts are positive opening. The position switch with positive opening contacts has been tested to the professional association test standard GS-ET 15 of the German Employer Liability Insurance Association, and is thus licensed for personnel protection functions. Category 1 safety position switches have contact and actuating element in a single constructional and functional unit. Category 2 safety position switches do not have contact or separated functionally. As a result of galvanic isolation of the moving contacts, the position switch is suitable for switching various potentials.
Explosion protection to CENELEC, IEC
For use in Zone 1 and Zone 2, Zone 21 and Zone 22
Enclosures have protection class "increased safety"
Replaceable contact elements in flameproof enclosure
All attachments can be displaced through 4 x 90°
Design also possible with cable already attached
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Thermoplastic enclosure
Slow action
Max. 2 contacts
Cable
available with cable entry on side
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Position switches are used wherever moving parts on machinery and plants need to be positioned, controlled and monitored.
The design details in relation to body dimensions, materials, electrical loading capacity, rated values and quality characteristics are to a great extent determined by the variety of application, from precision mechanics to heavy engineering.
Many of the position switches fulfill the requirements of the IEC 60947-5-1 product standard and can therefore also be used as position switches with safety function.
The position switches are available with snap action or slow action.
A wide variety of actuator heads are available. The majority of units are also obtainable with metal rollers.
The position switches are shown in the sequence of body sizes, starting with the smallest design.
Schmersal make both standard and AS-i Safety at Work safety modules.
Click here to see the AS-i models
Or for the standard models click below
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Our huge standard programme with its diversity of housings has the optimal solution for almost any application. The various types of clamp or the dovetail connections directly integrated into the switch mean that the switches can be fitted on almost any type of cylinder. Our range also includes pneumatic cylinder switches for T-section cylinders. All the models can be supplied with dry reed contact with variable power capacities or in the electronic version. If you wish, we can develop completely new customer-specific sensors to meet your requirements.
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Position switch with radio technology
low energy and radio emission
works self-sufficient without battery
different actuataors available
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Z/T and E.95 range position switches are suitable for sliding and hinged safety guards, which need to be closed to ensure the necessary operational security.
In combination with AES and/or AZR range safety monitoring modules all position switches class 1 shown in this chapter achieve Control Category 3 or 4 to EN 954-1.
Further applications for positions switches class 1 are most varied positioning duties. The variety of requirements to be found in practice can be met in detail by means of a wide range of actuating elements.
Design and mode of operation:
On the position switches class 1 the guarding device and the positive break NC contact are positively linked.
Schmersal make both standard and AS-i Safety at Work position switches with safety function.
Click here to see the AS-i models
Or for the standard models click below
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Pizzato Elettrica introduces in the market of switches for potentially explosive environments a range of products that can satisfy the requirements of all the users. There are different switch series available in conformity with the directive ATEX 94/9/CE in the categories M2, 2G, 2D plus the new categories 3G and 3D (zones 2 and 22) introduced with the new regulations.
The approved products include both the position switches and the safety switches with different contact blocks and actuators. To introduce these products on the market there’s a special brochure available which can be downloaded from the web-site www.pizzato.com.
Pizzato Elettrica is an established company with more than 20 years experience in the sectors of position switches and safety devices for machineries. The products are entirely planned and produced in Marostica - Italy in compliance with the standard ISO 9001 and they undergo the inspection by a third party for product conformity.
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Limit switches
The Limit Switch range from Crouzet is characterized by:
- Wide range of metal or plastic bodies
- Large choice of actuator types (push, plunger, roller, tappets, flexible, etc.)
- Connection possible by gland, cable or connector
- High resistance to accidental shocks
- Waterproof or splash protection available
- Suitable harsh environments
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Position switches for high temperature
For more than 20 years Pizzato Elettrica has been producing one of the world most wide range of position switches, safety switches, microswitches, foot switches. Pizzato Elettrica products are usually used worldwide in different industrial sectors characterized by their reliability and their quality/price ratio.
Eventually the range of products in the survey sector has been growing covering very specialized sectors such as switches in conformity with ATEX directive and switches with electronic contacts.
Among the various new products 2007 Pizzato Elettrica has introduced a new series of position switches especially studied for high temperature application. These products are characterized by their long mechanical life in relation to the working temperature, that is up to 1 million operation cycles at +180°C.
A dedicated brochure on these new products is available on the website www.pizzato.com.
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NEWS 2009
MODULAR PREWIRED SWITCHES NA-NB-NF SERIES
Always consistent with its innovation and the company quality targets, Pizzato Elettrica introduces three new prewired switches series provided with innovative and unique characteristics.
The main features of these products are:
- Separation between the switch body and the wired connector, which allows the user to change a product in the field without having to completely remove the wires.
- 14 contact blocks available: these series contact blocks are versatile and compact. In the same space of the previous versions now it’s possible to have up to 4 different contacts, provided with positive opening.
- 35 actuators available, some of these were not available in the previous series: based on chosen actuator, many products variations are available.
- Single pieces of these products can be purchased separetely: this is advantageous to distributors of electrical material for stock flexibility and final customers for spare parts or new combinations.
- Metal housing (NA-NB) and polymer housing (NF), adjustable cable output.
- 3 (NA-NB) or 2 (NF) types of integrated connector cable.
- Protection degree IP67.
The new series support the FA-FB-FF series, which are currently present in the market, proposing in this way one of the widest products range in the position switches sector.
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Burgess position switch
Characteristics • precision switching
• long mechanical life
• screw terminals
Rating 250 VAC, 15 A
Dimensions (mm) 49 x 22 x 17.5
Actuator • plunger
• plain levers
• roller levers
Approvals UL, CSA
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Position Sensing Solutions
Bimba offers pre-tested Position Sensing Solutions for Bimba actuators. Our solutions provide a cost effective interface between the pneumatic actuators and electrical control systems. Our pre-tested solutions also eliminate costly, time-consuming design and fabrication required if switches are purchased separately and provide an aesthetically pleasing installation.
Both traditional Bimba switches as well as newer generations of Bimba switches are offered to allow for maximum flexibility to fit your application.
The switches perform the same functions as conventional limit switches. They can be used as position indicators, cycle counters, or to confirm operation.
All Bimba switches are designed to sense a magnet that is incorporated into the piston of the cylinder. Magnets are standard in Bimba MRS cylinders, but must be purchased as an option on other Bimba actuators.
A variety of outputs are offered for each switch family including PNP (transistor sourcing), NPN (transistor sinking), normally open contacts, and higher power triac.
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Safety-/ position switches
Monitoring safe positions with LS-Titan
safety position switches From material handling systems to plastic injection moulding; from car washes to doors on trams: the position switches LS-Titan are used wherever there is exact positioning requirement.
The analog position switch with a voltage or current output also enables a range of new applications for the LS-Titan, where mechanical position detection could only provide insufficient information up to now – for example, detecting the position with opened flaps for flue gasses.
World innovation – the electronic position switch LSE-Titan®
electronic position switch The electronic position switch LSE has an operating point that can be set variably. Two fast and bounce-free PNP switch outputs enable high switching frequencies. They are protected against short-circuit and overload and are equipped with an abrupt switching behaviour. This guarantees a defined and reproducible operating point.
The actual operation point is in a range between 0.5 mm to 5.5 mm (supplied ex-works = 3 mm). The setting to the “new” operating point is performed as follows: The plunger must be moved from the “old” to the “new” operating position. Now the set button should be pressed for a duration of 1 sec. The LED now flashes with a higher pulse frequency and the new operation point is set retentively.
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sensors for cylinders
- 2- and 3-wire reed contact, electronic versions as well
- plug or cable connection
- LED indicator
- special designs on request
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Z/T and E.95 range position switches are suitable for sliding and hinged safety guards, which need to be closed to ensure the necessary operational security.
In combination with AES and/or AZR range safety monitoring modules all position switches class 1 shown in this chapter achieve Control Category 3 or 4 to EN 954-1.
Further applications for positions switches class 1 are most varied positioning duties. The variety of requirements to be found in practice can be met in detail by means of a wide range of actuating elements.
Design and mode of operation:
On the position switches class 1 the guarding device and the positive break NC contact are positively linked.
Schmersal make both standard and AS-i Safety at Work position switches with safety function.
Click here to see the AS-i models
Or for the standard models click below
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MRS Cylinders
* The Bimba MRS® Magnetic Reed Switch Air Cylinders are specifically designed to operate Bimba position sensing switches to actuate programmable controllers, relays, solenoids, timers, or any other electrically operated equipment.
* MRS cylinders have an additional groove in the piston to accommodate a magnet. They differ from the Moption because they combine features of the "Z" line with Original Line construction. Type 303 stainless steel rods are standard.
* Options at no additional charge include Magnalube G, no thread, and switch track for standard reed switches.
* Bore sizes available are 9/16", 3/4", 1-1/16", 1-1/4", 1-1/2", 1-3/4", 2", and 2-1/2".
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