描述
TV58变频器采用通讯功能时,其外部端子控制功能是无效的,通过对逻辑输入口(如LI4)进行编程设置为强制本地控制方式,可实现变频器的远程/本地切换控制。
注意,最好将变频器在本地控制方式下调试完毕后,再进行通讯控制,一方面可以避免因为变频器参数设置的原因导致变频器工作不正常;同时,可以简化通讯的内容和交换数据的数量。
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