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 sensors, two Dg25 shut-off valves should be installed between the IFM ifm sensor and the controlled vessel, which must be opened during normal operation.
3. IFM sensors must be equipped with blowdown valves and blowdown pipes, drain frequently, and regularly check the stainless steel float inside the sensor. The dirt on the surface of the float should be cleaned every six months, and the float should be replaced in time when it seeps water.
4. When installing the sensor and the controlled container, the plane lines must be perpendicular to each other, and the inclination must not be greater than 2 degrees.
When the IFM level signal is abnormal, check it as follows:
A. Make the IFM ifm and secondary meter not form a loop, and remove any end wires of the junction box of the sensor housing.
B. Check the resistance at both ends of the inductor coil with a multimeter. Normally, when the situation is normal, the resistance is about 200 ohms.
C. Disassemble the sensor and check if the float is leaking.
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Precautions for the use of sensors and installation requirements - ifm
Precautions for using sensors:
1) The sensor should not be installed in the following places: direct sunlight, high temperature, frost, and corrosive gas.
2) Do not use the same wiring pipe or wiring groove as the power line and power line to connect the wire.
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Differential pressure sensor function – ifm sensors
A differential pressure sensor is a sensor used to measure the difference between two pressures, usually used to measure the pressure difference between the front and rear ends of a device or component.
A typical application of differential pressure sensors is to measure the difference in exhaust pressure between the front and rear channels of the exhaust particulate trap of a passenger car engine.
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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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The principle of temperature sensors – ifm
Temperature sensor definition
A temperature sensor is a sensor that senses temperature and converts it into a usable output signal. Temperature sensors are the core part of the temperature measurement appearance, and there are many varieties. The temperature sensor is very accurate in measuring the ambient temperature, and is widely used in agriculture, industry, ...
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Precautions for the selection of level transmitters – ifm
The differential pressure transmitter is a transmitter that measures the pressure difference between the two ends of the transmitter, and outputs a standard signal (such as 4-20mA, 1-5V). The difference between the differential pressure transmitter and the general pressure transmitter is that they have 2 pressure interfaces, and the differential pressure transmitter is generally divided into positive pressure end and negative pressure end.
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Load cell range and accuracy – ifm
1. Sensor scale:
1) Normal use (static experiment or quasi-static experiment, when the frequency of application is not high, the scale of the sensor should be selected to consider the measured force value, as well as the component of the auxiliary tool (test fixture), etc.).
2) When used dynamically, the scale of the sensor is generally larger than the ...
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Advantages and disadvantages of flow sensors – ifm sensors
With the continuous development of flow sensors, more and more types of flow sensors are gradually coming out, and they have their own advantages and disadvantages, flow sensors.
1. Advantages
(1) The flow sensor can be used to measure industrial conductive liquids or slurries.
（2 ...
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The solution to the non-output of pressure transmitters – ifm
1. If the pressure transmitter is used in cooperation with the digital display, if the digital display does not appear at this time, then the user may say that the pressure transmitter has no output, but in fact, this problem is obvious, and it is unreasonable to hastily determine that the pressure transmitter has no output. If the pressure transmitter is working properly, ...
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Grounding Considerations for Servo Drives – ifm
1. The correct shield grounding point is at the reference potential inside the circuit, which depends on whether the noise source and receiver are grounded together, or may float.
Second, it is necessary to ensure that the shield is grounded at the same point so that the ground power ...
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How ifm inductive sensors work
How an inductive sensor works: An inductive sensor consists of three parts: an oscillator, a switching circuit, and an amplified output circuit. The oscillator produces an alternating magnetic field. When a metal target approaches this magnetic field and reaches the sensing distance, eddy currents are generated within the metal target, resulting in ...
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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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IFM M12 DC Connectors & Cables Features:
IFM M12M12 DC connectors and cables
·“ OK in place" coupling nuts to withstand intense vibrations and shocks
Damage to fluoroelastomer o-rings caused by over-tightening can be avoided
· Construction data, tested ...
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The LMT series of ifm level sensors
The liquid level sensor launched by ifm electronics - LMT series sanitary liquid level sensor, this series of sensors is made of high-grade stainless steel 316L material shell, compact structure, can reach IP68/69K protection level, reliable and stable function, can be thoroughly used in sanitary areas, suitable for food ...
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Regulating transformer three-phase unbalance method
1. Pay attention to the reasonable distribution of three-phase load
In the distribution of three-phase loads, power operators should carefully collect and record the relevant data in the practical operation, so as to be able to guess the status of the electricity load to a certain extent.
Secondly, to be able to ...
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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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Notes on Linear Position Sensors – ifm
1. If the electronic ruler has been used for a long time, and the seal is now aging, it is mixed with a lot of impurities, and the water mixture and oil will seriously affect the contact resistance of the brush, which will make the displayed numbers constantly beat. At this time it can be said that the electronics of the linear displacement sensor ...
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DV Series Signal Light Wins "Red Dot Design Award"
On July 9, 2018, the grand Red Dot Awards ceremony was held at the Aalto Theater in Essen, Germany, and the prestigious "Red Dot Planning Award" 2018 was presented.
This year's contestants from 59 countries paid tribute to the Red...
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Precautions for measuring hydrogen with pressure transmitters – ifm
Hydrogen is a colorless and odorless gas, with a density of 0.09 g/L (the lightest gas) under standard conditions, and is poorly soluble in water. At -252 °C, it becomes a colorless liquid, and at -259 °C, it becomes a snowflake-like solid.
When measuring hydrogen, pay attention to:
Hydrogen...
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Fuel level sensors monitor the cause of the fuel level – ifm
The oil level sensor according to the resistance is mechanically connected to the float, and the float can rise or fall with the fuel level, and the resistance of the sensor changes as the float moves. The sensor used is part of the current balance circuit in the fuel gauge display circuit, which is generally used to drive ...
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Applications in the field of ifm fiber optic sensors.
1) Urban construction
the use of interferometric screws and optical pressure sensors for bridges, dams, oil fields, etc.; embedding fiber optic sensors or reinforced fiber agglomerates in concrete; Traffic is monitored at airports using an interferometric fiber-optic vibration sensor system.
2) Civil Engineering and Environmental Supervision
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