Endress Hauser Transmitter CM42-CAA010EAE00

05/11/2022

What is PLC?

Programmable logic controller (PLC) is a digital operation electronic system specially designed for application in industrial environment.

09/23/2020

Application of DCS system in anti-surge control system of air separation compressor

Keywords: DCS system, air separation compressor, anti-surge control system Preface 　　 The 6000m3/h air separation plant of Xilin Iron and Steel Company was completed in May 2001 by Hangzhou Oxygen Concentrator Group Company. The factory design was designed by Beijing Iron and Steel Design Institute. It was successfully put into operation on September 2, 2001, and it took more than half a year to run. It shows that the unit is operating stably, and all indicators have reached or exceeded the design value. The entire control system uses Honeywell’s TDC3000 and two GUS stations.

01/09/2023

What is a Refrigeration Solenoid Valve?

The refrigeration solenoid valve is a valve that controls the automatic opening and closing of the refrigerant in the refrigeration system.

01/14/2025

Refrigerator PTC Relay Wiring Method

The PTC (positive temperature coefficient) relay is directly connected in series with the secondary winding (start winding).

04/19/2022

How to Properly Ground The Electromagnetic Flowmeter Under Different Installation Conditions?

Because the output signal of the sensor is very small, it is usually only a few millivolts. In order to improve the anti-interference ability of the instrument, the zero potential in the input circuit must be grounded

06/14/2020

Does the amount of refrigerant cause frost in the return air pipe and the compressor

As far as air conditioning is concerned, the principle of system circulation is generally the same as that of refrigerators and freezers. The symptoms of air conditioning systems lacking fluoride are similar to refrigerators and freezers. Many people say 器2䀀
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08/02/2020

Those human factors that cause damage to the refrigeration compressor

This article mainly introduces the phenomenon of the refrigeration compressor burned out due to the loose wiring and the incorrect placement of the temperature sensor and the specific treatment methods. Knowing and preventing is the meaning of knowing

06/14/2020

What are the causes of frost in refrigeration compressors

1. The opening of the thermal expansion valve is too large, or the installation of the temperature sensor is incorrect and the fixing is not firm or loose. The main reason is that the temperature sensor may feel the temperature too high in this case, resu器2䀀
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08/16/2020

Air energy heat pump heating, what installation and use details need to be paid attention to

In the recent period, the term "coal to electricity" has frequently appeared in the vision of the broad masses of people. The reason is that many areas in Beijing, including Chaoyang, Haidian, and Tongzhou, have announced the results of the "coal-to-electricity" winning bid.

06/29/2020

Several causes of compressor burning