P00设定为1,P01设定为1,P42和选22强制运转指令来自外部,P41选28开启第二频率来源,P142频率来原二设定为2。
步骤如下:
打开变频器的前端盖,接变频器的主回路。输入为三相交流380V:L1;L2;L3,输出为三相U;V;W。注意别忘了接地线。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d01373f082025aaf7eb041a4f7edab64024f1ada?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
用0.5平方的线接电机模拟量功能端子。用0.5平方的线将模拟量输出模块与变频器的功能端子2,5分别连接。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/48540923dd54564e1fcedb56bfde9c82d1584f31?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
用0.5平方的线接电机启动和正反转功能端子,将功能端子SD与STF和STR分别进行串按钮开关连接。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f9198618367adab4b27b242c87d4b31c8701e432?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
检查电机接线,变频器接线,PLC组接线是否正常。确认无误后上电试运行。