Restart will only take place if the line voltage recovers to over 90% of its nominal value.It shall also be possible to block the automatic restart.Upon restart the converter shall be capable of synchronizing onto a rotating motor, so-called 'flying restart'.The control system shall be immune from spikes and voltage distortions due to operational and/or fault conditions within the VSDS.The rated voltage range of binary inputs shall be clearly instructed in the manufacturer technical documentation, and the type test report for the pointed binary input (BI) voltage (especially thermal effect to BI with log time voltage) shall be provided to user.