SICK Photoelectric Sensor WTT190L-K2233
Wuhan Infinity Power Semiconductor & Controls Co., Ltd offers all well-known brands of proximity sensors from Europe and Japan. With 12-year experience of this industry, all items from us are qualified.
SICK Photoelectric Sensor WTT190L-K2233
Wuhan Infinity Power Semiconductor & Controls Co., Ltd. offers a variety of well-known brands of power electronics and automation industrial parts, like electronic modules, PLC, inverter, servo drive, servo amplifier, contactor, sensor, cooling fan etc. Experienced since 2004, made us one of the largest distributors in China of our industry. We will be always offering fastest delivery and minimize your cost.
Features
| What is photoelectric sensor? A photoelectric sensor, is a device used to detect the distance, absence, or presence of an object by using a light transmitter, often infrared, and a photoelectric receiver. They are used extensively in industrial manufacturing. There are three different functional types: opposed (through beam), retro-reflective, and proximity-sensing (diffused). |
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| Types 1. A self-contained photoelectric sensor contains the optics, along with the electronics. It requires only a power source. The sensor performs its own modulation, demodulation, amplification, and output switching. Some self-contained sensors provide such options as built-in control timers or counters. Because of technological progress, self-contained photoelectric sensors have become increasingly smaller. 2. Remote photoelectric sensors used for remote sensing contain only the optical components of a sensor. The circuitry for power input, amplification, and output switching are located elsewhere, typically in a control panel. This allows the sensor, itself, to be very small. Also, the controls for the sensor are more accessible, since they may be bigger. 3. When space is restricted or the environment too hostile even for remote sensors, fiber optics may be used. Fiber optics are passive mechanical sensing components. They may be used with either remote or self-contained sensors. They have no electrical circuitry and no moving parts, and can safely pipe light into and out of hostile environments. |
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| Sensing modes 1. A through beam arrangement consists of a receiver located within the line-of-sight of the transmitter. In this mode, an object is detected when the light beam is blocked from getting to the receiver from the transmitter. 2. A retroreflective arrangement places the transmitter and receiver at the same location and uses a reflector to bounce the light beam back from the transmitter to the receiver. An object is sensed when the beam is interrupted and fails to reach the receiver. 3. A proximity-sensing (diffused) arrangement is one in which the transmitted radiation must reflect off the object in order to reach the receiver. In this mode, an object is detected when the receiver sees the transmitted source rather than when it fails to see it. As in retro-reflective sensors, diffuse sensor emitters and receivers are located in the same housing. But the target acts as the reflector, so that detection of light is reflected off the disturbance object. The emitter sends out a beam of light (most often a pulsed infrared, visible red, or laser) that diffuses in all directions, filling a detection area. The target then enters the area and deflects part of the beam back to the receiver. Detection occurs and output is turned on or off when sufficient light falls on the receiver. |
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| Difference Between Modes | ||
| Name | Advantages | Disadvantages |
| Through-Beam | Most accurate Longest sensing range Very reliable |
Must install at two points on system: emitter and receiver Costly - must purchase both emitter and receiver |
| Reflective | Only slightly less accurate than through-beam Sensing range better than diffuse Very reliable |
Must install at two points on system: sensor and reflector Slightly more costly than diffuse Sensing range less than through-beam |
| Diffuse | Only install at one point Cost less than through-beam or reflective |
Less accurate than through- beam or reflective More setup time involved |
Here are some photoelectric sensors we have:
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1. Infinity sources for 120,000 items of automation industrial use, short lead time and top quality.
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4. One year warranty for all items from us.
5. Hard-to-find components will also be found here.
6. Deliver within 3 working days.
Our Main Products
IGBT Module, IPM Module, Thyristor Module, Diode Module, Bridge Rectifier Module, MOSFET Module, Capsule Thyristor, Capsule Diode, Stud Thyristor, Stud Diode, GTO Thyristor, DC-DC Converter
PLC, Inverter/Converter, Servo Motor, Servo Drive, Control Drive Unit, Soft Starter, Value, HMI, Touch Panel, FANUC parts, Elevator Parts
Contactor, Circuit Breaker, Relay, Fan, Power Supply, Sensor, Encoder, Switch, Temperature Controller, Timer, Counter, Battery, Connecting Cable, Safety Controls, Push Buttons
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