Seeking advice on Siemens 440 frequency converter
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The external analog frequency input of the existing 200-kilowatt inverter is experiencing fluctuations, and it is necessary to replace the signal conversion module. The problem now is to perform this operation without shutting down the system. How should the parameters of the inverter be set so that they can be modified while the inverter is in operation, in order to ensure that it maintains its original output frequency even after losing the external analog frequency command signal, allowing for the replacement of this module?
Contact the inverter after-sales maintenance personnel by phone.