6ES7321-1BL00-0AA0 

對于大容量的電機，若設置加速時間太短，可能會使變頻器過流跳閘；設置減速時間太短，可能會使變頻器過壓跳閘。對于多電機同步運行的情況，若設置加速時間太短，可能會使變頻器過流跳閘，設置加速時間太長，會使開車 時同步性能變壞；設置減速時間太短，可能會使變頻器過壓跳閘，設置減速時間太長，由于各電機功率不同，負載差異較大，可能會使各電機不能同時停轉，造成下次開車困難。

因此，多電機同步運行時，需要設置加、減速時間，這也是設備調試的主要項目之一。

3、保存配置drC（或I-O、CtL、FUn）—SCS

對于經常使用的設置或經現場調試可行的設置，可以保存起來，在需要的時候可以恢復。但保存配置只能保存一次，再次保存時，原來保存的設置就被新保存的設置所替代。

6ES7321-1BL00-0AA0 

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