grvchy Posted June 5, 2019 Report Posted June 5, 2019 Hi, I am developing Servomotor Drive Module for Mistubishi servomotor to control its positioning and speed. I have combined two FBs of the RD77MS4 FBs 1. SetPositiiningData FB 2. StartPositioning FB and defined in Local label as Label Name: i_stModule , Data Type : M+RD77 Class: VAR_INPUT. I get Error Invalid device or invalid constant is used. Can someone tell me how to define Module Label while combining two FBs using same Module. Please Quote
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