WinCC/Calendar Opt Upgr V7.4 -> V7.5
Reference : 6AV6372-1DC07-5AX4
WinCC/Calendar Options Upgrade from V7.4 to V7.5 SP2 For WinCC options WinCC/Calendar Scheduler and WinCC/Event Notifier, runtime/configuration software, on CD-ROM, single license, License key on USB flash drive ******************************* Conten