A crane accident caused by invalid position limit is introduced. The causes for invalid position limiters are analyzed, and the preventive measures are proposed.
介绍了一起因限位失效导致的起重机事故，深入分析了大小车极限位置限制器的失效原因，并从多方面提出了预防措施。
Valve position high limit and valve position low limit setting.
阀位上限幅值和阀位上限幅值设定。
Valve position high limit and valve position low limit setting.
阀位上限幅值和阀位上限幅值设定。
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