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A chemical company has a York -48°C two-machine two-stage compressor unit. The high-pressure compressor is RWFII177 and the low-pressure compressor is RWFII546. It is equipped with two Quantum 4-LX control systems. Because the main board is broken, the control system components have been corroded and aged, and some microcontrollers on the main control board have been discontinued. Malfunctions have occurred and the operation is unstable, causing economic losses. Our engineer from Kuai'anjia (Jinan) Industrial Technology Co., Ltd. arrived at the site, surveyed the site environment, tested the pressure, temperature and humidity in the control cabinet, formulated a plan, conducted technical exchanges with the user, determined the plan, and completed the installation and debugging within the specified time. The Quantum 4-LX control of the two-stage compressor unit has been upgraded to Siemens S7-1500-PLC control. The original control system has been further optimized, which can significantly improve safety, reliability, efficiency and convenience of operation and maintenance to ensure long-term smooth operation of the equipment. According to our return visit and inspection analysis, the control cabinet did not have any faults and the unit ran more smoothly. Making the equipment run reliably and keeping customers at ease is our biggest goal! Quantum LX control cabinet before upgrade and transformation Siemens PLC control installation Siemens PLC control debugging Siemens S7-1500-PLC control control cabinet hardware technical requirements: The main cabinet of the control cabinet is made of 304 stainless steel, with dimensions of: Width 36" x height 36" x thickness 14", plate thickness is 3mm; expansion module auxiliary cabinet cabinet is carbon steel control cabinet. The control cabinet is equipped with a set of Siemens S7-1500 CPU module and TP1500 touch screen as standard. Provides a standard Ethernet RJ45 network port and SIMATIC Profinet communication protocol. Control cabinet equipped with individual Siemens modular industrial power supply ； Standard Siemens TP1500 15-inch color touch display ； The control cabinet door panel should be equipped with standard configuration: Power switch, emergency stop switch ； The cabinet is equipped with a positive pressure purge device as standard to ensure that the cabinet is in a positive pressure state daily to prevent flammable gases from entering the cabinet and causing safety hazards. High pressure machine control main interface Low pressure machine control main interface York industrial refrigeration screw compressor overhaul : unit: York RWB machine head: FRICK TDSH unit: York RWF machine head: FRICK SGC unit: York RXF machine head: FRICK XJF unit: York RWK machine head: FRICK YFG York compressor repair models include: RWBII-TDSH (TDSH163 TDSH193 TDSH233 TDSH283 TDSH355)RWF-SGC (SGC1913 SGC1918 SGC2313 SGC2317 SGC2321 SGC2813 SGC2817 SGC2821 SGC2824 SGC3511 SGC3515 SGC3519 SGC3524)RXF-XJF (XJF95 XJF120 XJF151) RWK-YFG (YFG1918 YFG2313 YFG2317 YFG2321) RWBII-TDSH, RWF-SGC, RXF-XJF, RWK-YFG York, GEA Grasso, VILTER Welter are the industrial refrigeration brands mainly served by Qianjia Industry, and other brands are also served.: Maekawa MYCOM, Kobelco, Howden, Wuleng, Daleng, Yanlen, etc. Customers are located in many regions across the country, including: Shandong, Beijing, Shanhai, Sichuan, Zhejiang, Xinjiang, Inner Mongolia, etc. Kuai'anjia Industrial Qualification Certificate: York dealer qualifications, mechanical and electrical installation qualifications, S-9001 certification qualifications, refrigeration maintenance and installation qualifications, etc. Kuai'anjia Industry can provide maintenance and control system maintenance and upgrades for various types of oil, gas and process gas compressors, mainly including daily maintenance, fault diagnosis, and machine head overhaul of various reciprocating, screw, single-stage centrifugal and multi-stage centrifugal compressor units. It mainly serves the gas production and dehydration of natural gas, hydrocarbons, and hydrocarbons in the oil and gas industry. ； Pressurized transportation of hydrogen, ammonia, hydrocarbons, etc. in the chemical industry, as well as coke oven gas, inert gas, tail gas recovery and other fields. We have been committed to proposing innovative "high-efficiency solutions" for customers, and through comprehensive maintenance of various types of power equipment, we provide customers with * * Improving the operating efficiency and reliability of equipment, improving operational efficiency, and adopting standardized optimization and integrated control system solutions can not only bring significant energy saving effects to customers, but also reduce the impact on the environment and achieve sustainable development for customers.