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Absolute rotary encoders use optical, mechanical, or magnetic indexing for angular measurement. They do not lose their position after power-down, but instead provide absolute position upon power-up without requiring a home cycle or any shaft rotation.
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Analog I/O devices process analog signals (e.g., output of transducers) and output the results in analog format.
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Computers are programmable electronic devices that accept data, execute prerecorded instructions, perform mathematical and logical operations, and output results.
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Control knobs are used for the control or adjustment of electronic or electrical devices.
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Control panels are used to receive inputs, trigger outputs, and monitor systems and instrumentation. They are used in a variety of industrial, manufacturing and process control applications.
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Data acquisition is the digitizing and processing of multiple sensor or signal inputs for the purpose of monitoring, analyzing and/or controlling systems and processes. Signal conditioning includes the amplification, filtering, converting, and other processes required to make sensor output suitable for rereading by computer boards.
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Data acquisition I/O modules or cards have both input and output functionality. Digital or discrete I/O modules include on-off signals used in communication, user interface, or control.
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Data acquisition input modules accept sensor and other signal output for data acquisition systems. They may include signal conditioning prior to the analog-to-digital conversion stage.
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Data acquisition output modules or cards transfer amplified, conditioned, or digitized signals.
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Data acquisition systems and instruments collect, digitize and process multiple sensor or signal inputs for the purpose of monitoring, analyzing and/or controlling systems and processes.
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Digital I/O devices process digital signals (e.g., outputs from a controller) and output the results in digital format.
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Dual in-line package (DIP) switches are electronic packages that consist of a series of tiny switches. DIP switches are used to configure computers and peripherals such as circuit boards and modems.
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Handheld computers are portable devices including notebook and subnotebook computers, palmtops, and PDAs.
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Human machine interfaces (HMI) are operator interface terminals with which users interact in order to control other devices.
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I/O Modules, I/O cards and I/O boards are used to accept data (input) from computers, sensors, transducers, PLCs, etc., and then distribute the data (output) to other devices in the system.
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Incremental rotary encoders are multi-turn sensors that use optical, mechanical, or magnetic index-counting for angular measurement. They contain no absolute reference, but instead count relative to the turn-on position.
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Industrial computers are similar to personal computers (PC), but they are intended for use on a factory floor or in other harsh environments.
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Industrial knobs are small, usually round, devices that are designed for use on industrial machinery, electronic components, and metal cabinetry. They are usually made out of metal, plastic, or rubber and are available in a variety of sizes, colors, and finishes.
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Keylock switches are activated by a key that is turned in a circle and can stop in a range of positions.
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Limit switches are electromechanical or solid state devices that require the physical contact of an object with the switch’s actuator to make the contacts change state.
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Linear limit switches are electromechanical devices that require physical contact between a target object and switch activator to make the contacts change state.
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Suppliers of membrane switches and keypad assemblies using flexible membranes, domed or flat switch profiles, and tactile and non-tactile switches and panels.
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Network cards and network controllers are expansion boards inserted into computers that allow them to connect to a network.
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Network media converters change the signal of encoded data from one media type to another as it is transmitted through, or between, networks.
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Pushbutton switches are mechanical switches defined by the method used to activate the switch. The activation method is typically in the form of a plunger that is pushed down to open or close the switch.
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Radio modems are radio frequency transceivers for serial data. They connect to serial ports (RS232, RS422, etc.) and transmit to and receive signals from another matching radio modem.
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Rocker switches are actuated by a standard or dual rocker or paddle.
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Rotary coded dual in-line package (DIP) switches are activated by a rotating shaft and have several stop positions. They use the DIP form factor so that arrays of multiple switches can be incorporated into a single package.
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Rotary switches move in a circle and can stop in several positions. There are two basic styles: single-deck and multi-deck.
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Signal conditioning products provide amplification, filtering, converting, and other processes required to make sensor output suitable for reading by computer boards.
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Slide switches are mechanical switches defined by their method of activation. The switch is a slider that moves (slides) from position to position.
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Specialty or proprietary products and accessories related to switches.
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Standard keypads are standard size membrane or carbon pill keypads.
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Switches are used to allow electric current to flow when closed. When opened, they prevent current flow. Common switch types include pushbutton, rocker, toggle, rotary coded DIP, rotary DIP, key lock, slide, snap action, and reed.
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Temperature signal conditioners accept outputs from temperature measurement devices such as resistance temperature detectors (RTDs), thermocouples, and thermistors. They then filter, amplify, and/or convert these outputs to digital signals, or to levels suitable for digitization.
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Toggle switches are actuated by moving a lever back and forth to open or close an electrical circuit.
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Touch switches and tactile switches operate by touching or pressing to make a connection. Touch switches are touch-operated devices that do not have moving parts. Tactile switches are electromechanical and provide tactile feedback.
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Wireless modems transmit modulated data using electromagnetic waves.
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