6ES5 375-0LA21 6ES5 375-0LD21 6ES5 375-1LA21 6ES5 375-1LA41 6ES5 375-0LA41 6ES5 420-7LA11 6ES5 430-7LA11 6ES5 430-7LA12 6ES5 431-7LA11 6ES5 434-7LA11 6ES5 434-7LA12 PLC product usage and maintenance First, maintenance procedures, equipment, periodic testing, adjusting the provisions of (a) connection check every six months or quarters PLC cabinet terminals 140DDO84000, if found loose firm place in time to re-connect; (2) of the cabinet to the host power supply Monthly re-voltage measurements; 6AV1 903-OBC01 6AV4 012-OAA10-OABO 6ES5 135-3KB13 6ES5 150-3SB81 6ES5 155-3UA21 6ES5 183-3UA12 6ES5 183-3UA13 6ES5 183-3UA21 6ES5 184-3UA21 6ES5 188-3UA11 Germany Siemens (SIEMENS) produced the programmable controller in our country is quite extensive 140DRA84000, in the fields of metallurgy, chemicals, printing production lines have applications. Siemens (SIEMENS) PLC products, including the company's LOGO, S7-200, S7-1200, S7-300, S7-400 and so on. Siemens S7 series PLC is small, fast, standardized 140DDO, with network communications capabilities, powerful, high reliability. S7 series PLC products can be divided into micro-PLC (eg S7-200), small-scale performance requirements PLC (eg S7-300) and the high performance requirements of the PLC (eg S7-400) and so on. 140DDO35300 | 140DDO | Shenyang on people (view) provided by the Shenyang Electric Co., the people. Shenyang on China Electric Co. (www.zsmsy.com) is a professional engaged in "high and low voltage inverter, high and low voltage soft starter, magnetic switches, programmable logic controller (PLC)" of the company. Since its inception, we adhere to the "good faith, sound management" approach, the courage of healthy competition in the market, so that "the people Electric, Siemens, Schneider, AB," the brand has a good reputation. We adhere to the "service first, customers first" principle, so that the people in the other Shenyang won the trust of customers in the congregation, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you!