6ES5 482-7LA11 6ES5 490-7LA11 6ES5 490-7LB11 6ES5 490-7LB21 6ES5 491-0LB11 6ES5 530-7LA12 6ES5 700-0LB11 6ES5 700-1LA11 6ES5 700-1LA12 6ES5 700-2LA12 four, equipment disassembly sequence and methods (1 ) downtime 1769-IQ16, two or more people must care operations; (2) the mode selector switch on the front panel of the CPU from "Run" to "stop" position; (3) Close the PLC power supply mains, then close the other Sakamoto power supply to die; (4) the frame is connected to the power supply cord mind clear line number and location after the connection, and then remove the power supply is connected to the rack cabinet with screws 1769, power rack can be removed; (5) CPU board and I / 0 board may, after removing the screw rotation template below; (6) When installing in reverse order; flexible programming language uses PLC Ladder, Boolean mnemonic menu map, function modules and statements describe programming languages. Diversity programming method makes programming simple application surface expansion. Operation is very flexible, very easy to monitor and control variables. [2] Siemens PLC S7-300 series PLC Siemens S7-300 Installation and Precautions Installation Notes a) Auxiliary Power smaller 1769-ECR, can only drive low-power devices (photoelectric sensors, etc.); Siemens S7-300 mounting Note b) General PLC has a certain number of points occupied (ie empty address terminals), do not connect the line; Siemens S7-300 Installation Precautions three) PLC presence I / O response delay problem, especially in the fast response equipment should be noted. 1769-BA, 1769-L32E, Ltd. Shenyang on the people by the people on the Shenyang Electric. 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!