Technical Research and Implementation of S120 Inverter Upgrade and Transformation
The 1-18 rolling mills of Shougang Changzhi Steel Co.,Ltd.'s bar production line are all driven by Siemens S120 frequency converters.With the discontinuation of the CU320 control unit and interface board CIB of Siemens S120 frequency converters,spare parts cannot be purchased and can only be upgraded to the latest version of CU320-2 control unit and interface board CIM+IPD.The focus is on introducing the hardware upgrade and project upgrade process.
S120 frequency converterCU320Interface boardproject upgrade