Can't control the frequency Converter via RS 485
Please help me. Can't control the frequency Converter via RS 485 Modbus. ABB frequency converters are easily controlled via ACS_COM_MOD_RU and ACS_DRIVERS_CTRL_STANDARD. I know the addresses of the registers to set the frequency and the command word. With the help PLC firms "ARIES" I controlled frequency Converter. There is open access to "PLC Configuration" in Codesys, and in Automation Builder everything is closed!!!!
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