控制系统则自动优化匹配各动作配合，该系统具有精确度高、调整制袋长度简便、且准确无误。
Automatic optimization match with all the program, this system can alternate the length of bag and bag, thus it is easy and precise.
详细介绍了西门子可编程序控制器(plc)的功能和特点，通过西门子PLC和变频器相配合，提高了控制的精确度。
The functions and characters of Siemens PLC (Programmable Logic Controller) are introduced. The control precision of Siemens PLC is improved through equipped with transducer.
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