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Frequency inverters from NORD DRIVESYSTEMS can react flexibly in case of disrupted communication with a central control system. The on-board, pre-programmed PLC can take control, initiate a defined state for halting operations, or keep the application running.
In process plants this can help avoid costs, for instance by preventing spoiled batches. In manufacturing facilities, material flow can be maintained. As NORD intelligent drives feature various interfaces and are able to evaluate sensor and actuator data, optimal integration in the application is ensured. Autonomous control capability obviously has other uses beyond fallback scenarios. In some instances, users may wish to deliberately switch the smart drive over to local control. For set-up, testing, or maintenance, the distributed frequency inverter can additionally be equipped with switches for manual drive direction and speed control. The integrated PLC functions are programmed using IEC 61131-3 "Structured Text" or "Instruction List" text-based languages. For straightforward, user-friendly application development, NORD CON software is provided without any charge or license fees.