P+F PEPPERL+FUCHS Encoder RHI90N-0NAAAR61N-01024

12/27/2022

How do Programmable Logic Controllers Work?

When a programmable logic controller (PLC) is put into operation, its working process is generally divided into three steps, namely input scan, executing program(s), and output scan.

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

09/03/2020

The compressor air filter has many knowledge

1. Factors affecting air filter of air compressor 　　The quality of lubricating oil has deteriorated. The poor filtration accuracy of the air filter will cause a large amount of dust to enter the lubrication system, resulting in a decrease in the quality of the lubricating oil,

08/19/2020

Why do industrial chillers need to replace high-quality antifreeze regularly

When the industrial chiller is running, there are high requirements for the use of antifreeze. Ordinary equipment cannot use high concentration antifreeze. If the concentration of antifreeze is high, it takes a long time to warm up before operating the equipment.

08/18/2020

Selection of refrigeration piping parts for chillers

The accessories of the refrigeration pipeline of the chiller mainly include various valves and connectors. According to different refrigeration systems, chillers have different requirements for piping accessories.

08/11/2020

How to maintain the lubrication system of the chiller

In the operation system of the chiller, more attention is paid to the refrigerant circulation system, the chilled water circulation system and the electrical control system of the refrigerator. The lubrication system is often overlooked. As everyone knows, this system is also very important to the chiller.

09/06/2020

Application of Frequency Conversion in Oilfield Development and Energy Saving

The application of frequency conversion energy saving in the crude oil extraction industry is mainly manifested in various pumps. In order to ensure the reliability of production, all kinds of production machinery have a certain margin when they are designed and equipped with power drives.

06/14/2020

Common failure causes of half-sealed piston compressor

Common failure causes of half-sealed piston compressor 1. The compressor cannot start normally 1. First check whether it is caused by too low power supply voltage or poor connection of the motor line: if the grid voltage is indeed too low, start again器2䀀
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06/14/2020

Working principle of inverter compressor

     The principle of inverter compressor inverter controller is to convert the alternating current in the power grid into a square wave pulse output. By adjusting the frequency of the square wave pulse (that is, adjusting the duty cycle), the speed of thﰸ2䀀
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08/27/2020

Brief Discussion on Monitoring of Safety Protection Device of Mine Air Compressor

In the process of monitoring and inspecting the safety of air compressors in mining enterprises, the author found that more than 90% of the equipment was not equipped or not fully equipped with the temperature and pressure protection devices that should be configured.