The cargo winch of Siemens alternating three speed change pole speed adjusting is reformed with F 40M PLC, so that system function and reliability are improved.

  • 采用F40M可编程序控制器对西门子交流三速变极调速起货机控制线路进行改造,进一步提高控制系统的功能和可靠性。

  • 互联网摘选 2025-01-20 13:20:24

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