Siemens sold .AB. .OMRON Other Mitsubishi PLC 6ES5 101-8UC11 6ES5 101-8UA13 6ES5 102-8MA01 6ES5 102-8MA02 6ES5 103-8MA03 6ES5 241-1AB12 6ES5 262-8MB13 6ES5 315-8MA11 6ES5 316-8MA12 6ES5 318 -8MA12 6ES5 376-1AA11 6ES5 376-0AA11 6ES5 376-0AA21 6ES5 376-1AA31 6ES5 377-0AA11 6ES5 377-0AA21 6ES5 377-0AA32 6ES5 377-0AA31 6ES5 377-0AB31 6ES5 377-0BA31 6ES5 420-4UA13 6ES5 420-4UA14 Siemens SIMATIC series PLC 6ES5 440-8MA21, born in 1958, has experienced C3 6ES5 440-8MA22, S3, S5, S7 series 6ES5 431-8MA11, has become widely used in the programmable controller. 6 generations a Siemens products Siemens (SIMATIC) PLC was first put on the market in 1975 SIMATIC S3, it is actually a simple user interface with binary controller. 2,1979 years, S3 system was replaced by SIMATIC S5, the extensive use of a microprocessor system. 3,20 early 1980s, S5 system further upgrade --U series PLC, the more common models: S5-90U, 95U, 100U, 115U, 135U, 155U. 6ES5 431-8MD11,6ES5, Shenyang on the people by the people on the Shenyang Electric Company. Shenyang Electric Co. on people (www.zsmsy.com) strong, credible, in other industries, such as Shenyang, Liaoning province has accumulated a large number of loyal customers. The company better work attitude and constantly improving people and innovative ideas will lead you to walk hand in hand on the Shenyang brilliant, for a better future!