1. Pressure Sensors
1.1. Types:
1.1.1. Mechanical pressure sensor
1.1.2. Pneumatic pressure sensor
1.1.3. Electromechanical pressure sensor:
1.1.3.1. Resitive
1.1.3.2. Variable reluctance
1.1.3.3. Magnetic capacitive
1.1.3.4. Strain gauge
1.1.4. Electronic pressure sensor:
1.1.4.1. Pirani transducer
1.1.4.2. Thermal bimetallic
1.1.4.3. Thermocouple
1.2. Functions:
1.2.1. sensors are used which are equipped with an element sensitive to pressure and emitting an electrical signal when the pressure varies or cause switching operations if it exceeds a certain limit value
1.2.1.1. Clamping control, element suction, screw suction in screwdrivers automatic, automatic nut tightening, force control in pliers Pressing machines, pressure confirmation when welding.
1.3. Features:
1.3.1. These sensors are small, low cost and reliable
1.3.2. They offer the ability to excellent repeatability, high accuracy and reliability under variation of environmental conditions
1.3.3. High performance constant from one sensor to the next
1.3.4. Exchange without recalibration
1.3.5. Best used for: HVAC and medical devices
1.4. Comunication way:
1.4.1. Pressure control in industrial processes gives operating conditions safe
1.4.1.1. Any container or pipe has a certain maximum operating pressure and security, varying this, according to the material and construction.
1.4.1.1.1. The absolute readings of large precision is often as important as extreme safety
2. Proximity Sensors
2.1. Types:
2.1.1. Position switches
2.1.1.1. Machines that have a rectilinear back and forth motion or follow a fixed path
2.1.2. Capacitive
2.1.2.1. It is commonly used to detect non-metallic material: paper, plastic, wood, etc. since it works as a capacitor
2.1.3. Inductive
2.1.3.1. The sensor circuit then recognizes a specific change amplitude and generates a signal that switches the solid state output or the position "ON" and "OFF".
2.1.4. Photoelectric
2.1.4.1. The output circuit uses the signal from the receiver to amplify it and adapt it to a output that the system can understand
2.1.5. Ultrasonic
2.1.5.1. They are proximity detectors that work free of mechanical friction and that detect objects at distances of up to 8m
2.1.6. Magnetic
2.1.6.1. They are characterized by the possibility of large switching distances, available from sensors with small dimensions
2.2. Functions:
2.2.1. It is based on the measurement of the changes in electrical capacitance of a capacitor in an RC resonant circuit,
2.2.1.1. Inductive and capacitive proximity sensors are based on the use of oscillators, in which the amplitude of oscillation varies when approaching an object
2.3. Features:
2.3.1. The supply voltage is 5 volts DC
2.3.2. Will be able to feed directly from the 5V output for sensors of the ENCONOR controller
2.3.3. The output is all-nothing
2.3.4. It will connect directly to some input ENCONOR controllers digital
2.3.5. The distance at which an object will be detected will depend on several factors
3. Optic Sensors
3.1. Types:
3.1.1. Cylindrical:
3.1.1.1. Contains 7 series with a wide range of versions in different sizes and ranges. All are available in versions for direct detection or through barrier.
3.1.1.1.1. KT9 series:
3.1.1.1.2. KT 10 series:
3.1.1.1.3. KT 11 series:
3.1.1.1.4. GLV 12 series:
3.1.1.1.5. VL 18 series:
3.1.1.1.6. 18GM series:
3.1.1.1.7. GLV 30 series:
3.1.2. Rectangular:
3.1.2.1. These sensors offer IP 65 environmental protection? or IP 67, aluminum housing or reinforced plastic, built-in control circuit and are available with ranges from 0–2.5 m to 0–35 m.
3.1.2.1.1. Series 28:
3.1.2.1.2. Series 32:
3.1.2.1.3. Series 39:
3.1.3. Fork-type:
3.1.3.1. Developed for very specific applications in certain industries such as:
3.1.3.1.1. Detection of correct gluing of labels
3.1.3.1.2. Forward speed detection
3.1.3.1.3. Small part detection in part feed zones
3.1.3.1.4. Edge quality control in the manufacture of continuous tapes
3.1.3.1.5. Material flow monitoring.
3.1.4. Detection of printing marks (TACOS).
3.1.4.1. Process automated by Teach In for setting the sensitivity threshold and for the selection of colors. (Red, Green and Blue)
3.2. Functions:
3.2.1. By emission and reception of light
3.2.1.1. The sender and receiver are usually separate elements
3.2.1.2. The light sensor measures the amount of light it receives
3.2.1.3. The light sensor can determine if you are seeing a black or white piece of paper
3.2.1.4. The light sensor detects light at a very wide angle
3.3. Features:
3.3.1. Cylindrical:
3.3.1.1. Construction: Stainless Steel Housing
3.3.1.2. Optical Surface: Plastic
3.3.1.3. Power supply: 10–30 VDC and 24 VDC for GLV 30 series
3.3.1.4. Outputs: PNP, NO, NC
3.3.2. Weatherproof IP 67 except KT 10 series with IP 65
3.3.2.1. Operating voltage: 10 VDC… 30 VDC
3.3.2.2. No-load current: 20 mA
3.3.2.3. Switch and power status indicator
3.3.2.4. Light / dark switching
3.3.2.5. Protection class IP 67
3.3.2.6. E0: 3-wire, DC, npn, NO
3.3.2.7. E2: 3-wire, DC, pnp, NO
3.3.2.8. E4: 3-wire, DC, npn, NO / NC
3.3.2.9. E5: 2-wire, DC, pnp, NO / NC
3.3.2.10. Rectangular: Series 28, 32 and 39
3.3.2.11. Optical surface: Glass or Plastic
3.3.2.12. Power: 10–30 VDC, 20–240 VAC
3.3.2.13. Outputs: PNP, NO, NC
3.3.2.14. Weatherproof IP 67
3.3.2.15. Versions with visible red light, infrared light and laser
3.3.3. Series 28:
3.3.3.1. Working voltage: 10 VDC 30 VDC
3.3.3.2. No-load current: 40 mA
3.3.3.3. Dimensions: 25.8 x 88 x 65.5 mm
3.3.3.4. Connection mode: M12 connector
3.3.3.5. Indication of power on, switching status and pre-fault
3.3.3.6. Time functions: GAN, GAB, IAB programmable
3.3.3.7. Switching type: light / dark switch
3.3.3.8. Protection class: IP 67
3.3.4. Series 32:
3.3.4.1. Working voltage: 10 VDC 30 VDC
3.3.4.2. No-load current: 40 mA
3.3.4.3. Dimensions: 22 x 72.2 x 45.6 mm
3.3.4.4. Connection mode: M12 connector
3.3.4.5. Indication of switching status and pre-fault
3.4. Comunication way:
3.4.1. The mode of operation of optical sensors varies according to their type, to continuation:
3.4.1.1. Light Barrier
3.4.1.2. Wide range (20m)
3.4.1.3. Alignment is critical
3.4.1.4. Retro ‐ reflective (Reflex)
3.4.1.5. Range 1‐3 m
3.4.1.6. Popular and cheap
3.4.1.7. Diffuse Reflective
3.4.1.8. Range 12-300 mm
3.4.1.9. Cheap and easy to use
4. Temperature Sensors
4.1. Types:
4.1.1. Thermistor:
4.1.1.1. Is based on the resistance behavior of the semiconductors is variable as a function of temperature
4.1.1.1.1. NTC:
4.1.1.1.2. PTC:
4.1.2. RTD (resistance temperature detector):
4.1.2.1. Based on the variation of the resistance of a conductor with temperature.
4.1.2.1.1. Metals commonly used as RTDs are platinum, copper, nickel and molybdenum.
4.1.3. Thermocouple:
4.1.3.1. Made up of two metals, it is a measuring instrument whose principle of operation is the thermoelectric effect.
4.1.3.1.1. Directly transform heat into electricity, or generate cold when an electric current is applied
4.2. Functions:
4.2.1. Temperature is a measure of the average kinetic energy of the particles in a unit of mass, expressed in units of degrees on a scale standard
4.2.2. You can measure temperature in different ways that vary according to at the cost of equipment and precision
4.3. Features:
4.3.1. High degree of protection against humidity
4.3.2. Temperature measurement between - 50 ºC and 800 ºC
4.3.3. Fixed or interchangeable measuring tip
4.3.4. Resistance element Pt 100 / Pt 1000, NTC / PTC and thermocouples
4.3.5. Available with built-in transmitter
4.3.6. Available with marine approvals