On November 18, 2008, the 19th multinational instrumentation conference and exhibition was held in Beijing International Exhibition Center, at the exhibition, as one of the world's leading manufacturers of electronic sensors in the field of industrial automation, Germany ifm electronics showed its advanced sensors and their corresponding skills application, with professional engineers to provide on-site skills consultation, many professional visitors have expressed fierce attention to ifm products.
ifm has always been engaged in the research, production and sale of components for signal monitoring, control and processing worldwide, under the guidance of the concept of "close to you", attaches importance to the user, close to the user, with a full range of on-site services, high-quality products and advanced skills in the industry has won outstanding performance and reputation, in China's various automation industry has an outstanding application. In addition to showcasing its long-standing trusted sensor products for orientation, fluids and bus systems, ifm also focused on the following products:
1. Efector PMD - Laser Distance Sensor
A very compact laser distance sensor.
Optical measurement system with a detection interval of 10m
2 switching outputs, one of which is programmable as an analog output
It can be used in applications with background blanking
Excellent product price-performance ratio
Scalable detection intervals
PMD skills
The modified silicon chip of the PMD (Photic Mixer Device) calculates the time of light emitted and rebounded to measure the interval. Type O1D100 is one of the main PMD products.
Another outstanding feature is its extremely compact design of 42 x 42 x 52 mm.
Unexpectedly more applications
The PMD is designed for positioning, speed conditioning and level measurement applications to maintain stand-alone industrial conveyor systems, to prevent bumps or to position above-ground delivery vehicles in trucks and high-bay warehouses.
O1D100 - Laser distance sensor, visible laser, detection interval 0.2... 10 m
O1D101 - Laser distance sensor with background blanking, visible laser with detection interval 0.2... 10 m
2. EFECOTR Dualis - Visual Profile Sensor
Identify the outline and orientation of the shape, the price is cheap and the structure is very delicate.
Menu-based parameter given
After professional and simple menu operation, the outline sensor can be easily installed and easy to use. Whether it's detecting parts, edges, orientation, orientation or classification: the system can be configured and put into operation in a matter of minutes. Many of the conditioning values can be set actively, allowing the user to adjust according to their needs
Compact and compact structure
The 22D sensor is very compact, measuring just 42x42x43mm. It can also be used in areas where the installation range is limited. In addition, the selection of industry-appropriate installation and connection skills enables a simple and time-saving process connection.
The use of light transmission methods
The system is complemented by the ultra-flat lighting components that can be used for light transmission, and it can be operated with two different modules: the "normal optical power" module and the "high optical power" module, the high optical power module can produce about 4-5 times more powerful optical power. This reduces illumination time by 75-80%.
3. efector LR - guided wave radar level gauge
• ifm guided wave radar level sensors use waveguide radar technology for precise level detection of smaller containers.
• The stainless steel housing and test rod allow the sensor to be used for cleaning, coolant level detection and water treatment projects.
• The test rod is capable of negligent metal adhesion.
• Abbreviated button setting function.
4. ASi-industrial bus system
The ASi bus (Actuator Sensor-Interface) is a new skill in the field of modern production lines and process control.
ifm offers ASi hosts/gateways with LCD displays, which can easily set up addresses and query on-site status information. In addition, the ASi host has a fault diagnosis function, which greatly facilitates the maintenance of field equipment.
The ASi module is installed in a locking style, without the need for screws, and the wiring method is sensitive and changeable, and can be adjusted arbitrarily.
ASI application field: warehousing and logistics control/car industry/chemical industry
5. efector PK - Pressure Sensor
Innovative series PK: compact, convenient and economical
The perfect solution
The ifm pressure sensor series PK is the first generation of compact electronic pressure sensors that are simple to condition and have a long service life. The product has strong resistance to pressure peaks and corrosive media.
Abbreviated operating procedures
The advantage is that it is easy to operate: the radial positioning ring with a clearly readable unit dial allows the user to quickly and precisely adjust the switching and recovery points, even when no system pressure is present. Mechanical locking devices avoid unnecessary conditioning. Two clearly visible LEDs are displayed as switching and running for easy detection.
Wide range of applications
The sensors can be used in almost all fields of industry, mobile vehicles and construction machinery. They meet not only the requirements of the standard hydraulic and pneumatic applications, but also the application requirements of gas pressures up to 400 bar or air conditioning and refrigeration skills. The stainless steel exploration disc ensures a long service life and wear-free operation with more than 50 million pressure cycles.
6. efector O5/OH-photoelectric sensor
This product has high-quality skills and excellent performance, and can be used in almost all industrial fields. The system provides long detection intervals. Products with background removal are available in three types with high precision:
Type without conditioning function: suitable for standard application.
Potentiometer type: Suitable for simple conditioning and easy operation.
Type with teach-in form: The innovative teach-in method is very simple to operate, eliminating cumbersome programming.
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How torque transducers work – ifm
1. Typical planning of torque sensors
Unlike load cells or force transducers, the measuring body of a torque transducer is not subjected to a tension load, but is torsionally affected by lever torque or torque. Therefore, torque transducers require special strain gauges to ...
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High-frequency pressure sensor output signal – ifm
The conversion of the pressure to the electrical signal is done by the physical deformation of the strain gauge, and the strain gauge is bonded to the diaphragm of the pressure sensor and wired into a Wheatstone bridge structure. The pressure exerted on a high-frequency pressure sensor causes the diaphragm to flex, which causes the strain gauge to strain. Strain will occur ...
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ifm ifm sensors detect objects contactlessly
Capacitive ifm sensors have many applications in everyday life. It is capable of viewing non-metallic materials as well as detecting objects in a non-contact manner.
Capacitive ifm sensors are resistant to interference. When an object is detected, the small ...
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Precautions for using pressure sensors
The pressure sensor is an instrument that can accept pressure signals, and it is widely used in railway transportation, intelligent buildings and other occupations.
First, prevent solder slag from ...
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Sensor installation requirements and precautions – ifm sensors
1. Device requirements:
1. Measure the shaft diameter and center height of the high-precision displacement sensor.
2. Two sets of couplings are used to connect the device with high-precision displacement sensor between the power source and the load.
3. The sensor can be connected with a rigid or elastic coupling. The sensation is more ...
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Load cell wiring method – ifm
There are four-wire and six-wire load cells. Four-wire system: EXC EXC: Power cord, that is, the DC power supply supplied by the instrument to the sensor. SIG, SIG-: The signal line, that is, the signal line output by the sensor, is output to the instrument. In addition to the above four lines, there are more than two in the four-wire system: SEN, SEN-: feedback line ...
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The reason why the output signal of the photoelectric sensor is unstable
Photoelectric switch (photoelectric sensor) is the abbreviation of photoelectric proximity switch, which uses the shielding or reflection of the beam by the detected object to connect the circuit by the synchronous loop to detect the presence or absence of the object. When the photoelectric sensor outputs the signal, the signal is occasionally unstable, and many people do not know what to do.
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Understanding the accuracy of sensors – ifm
There are three indicators of precision: precision, correctness, and precision, but how do you understand them?
precision
It sheds light on the sloppy nature of the measurement results. That is, for a certain stable target (to be measured) by the same measurer with the same sensor and measurement appearance in the appropriate ...
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Choice of pressure sensor – ifm
The first step in selecting a pressure sensor is to determine the pressure to be measured. Exciter sensors are divided into mechanical pressure and pneumatic pressure (hydraulic). The mechanical pressure unit is generally N.KN.KGF, etc. The pneumatic and hydraulic units are generally KPA, MPa, PSI, etc. This article describes the selection of mechanical pressures.
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Installation and maintenance of ifm sensors
1. The wiring socket is connected at both ends of the inductance coil, and the other two ends are connected to the liquid level signal input end of the secondary instrument. When the inductor coil is open or the internal circuit is blocked, it should be replaced in time.
2. In order to commission and repair IFM ...
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How to care for ifm sensors
1. When measuring the liquid pressure, in order to prevent the sensor from being damaged by overpressure, the device position of the sensor should prevent the impact of the liquid.
2. When measuring steam or other high-temperature media, it is necessary to connect a condenser such as a buffer pipe.
3. The impulse pipe should be installed in a place where the temperature fluctuation is small.
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Precautions for the installation of high-frequency pressure sensors – ifm
The depth of the internal thread of the installation with the sensor should be greater than the length of the external thread of the sensor itself, so as to avoid the sensitive diaphragm of the sensor pushing to the bottom of the internal thread, so that the sensor is affected by stress.
If the size of the internal thread has been ...
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Select the appropriate mounting holes for ifm sensors
ifm sensors have a lot of precautions at the time of installation, and it is necessary to pay attention to the orientation of the device, if the device orientation is not suitable, it will also form damage to the pressure sensor.
The time and time requirements of ifm sensors in the installation ...
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Tips for setting CAN parameters for ifm controllers
1. ifm controller CAN parameters: communication cycle
In some applications, it is possible to set the monitoring time for SYNC packets generated by the master here.
Note that this moment is larger than the SYNC moment of the master. To go through the experiment ...
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Correct installation of pressure sensors – ifm
Generally, the damage of the high-temperature melt pressure sensor is caused by the improper orientation of the device, if the sensor is forcibly installed in a hole that is too small or an irregularly shaped hole, it may cause the vibration film of the sensor to be damaged by impact, choose the appropriate thing to process the device hole, ...
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ifm IO-Link master and cabling system
The decentralised AS-i IO-Link master module acts as a gateway between the intelligent IO-Link sensor and the AS-Interface fieldbus. They combine the advantages of the AS-i cabling system with standard IO-Link communication. With IO-Link, connected sensors or actuators can be detailed ...
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Torque sensors in industrial manufacturing – ifm
Torque sensor is a component that must be installed in some industrial products, mainly used to measure speed and viewpoint orientation, but different types of sensors have different ways to use and function, what is the classification of torque sensor?
Resistance strain ...
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Use and maintenance of strain gauge load cells – ifm
The aluminum foil sensor is composed of elastomer, strain gauge, adhesive, maintenance layer, compensation circuit, etc. The strain transmission path is: elastomer - + adhesive → strain gauge sensitive grid - + overlay - maintenance coating, which constitutes a complex system that is more different from the strain gauge itself. If the application attached to the elastomer ...
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The difference between an ifm level sensor and a level switch
Many people are stupid and can't tell the difference between the liquid level sensor and the liquid level switch, and even think that they are the same instrument. In fact, there is a big difference between them. The level sensor does not necessarily display the liquid level, but outputs the liquid level in the form of an electrical signal. The liquid level controller is based on the liquid level sensor ...
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Structural classification of UV sensors
1. Spherical cathode structure:
In order to fully avoid the tip effect and make the photoelectron emission more stable and uniform, it is necessary to fix the operating area on the cathode, because the ultraviolet tube relies on photoelectron emission and gas multiplication to complete the conversion of the optical signal into an electrical signal and amplify it.
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