6AV6371-1CF07-5AX0 SIEMENS | 4047622684313
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6AV63711CF075AX0
SIMATIC WinCC/Redundancy, option for WinCC V7.5 SP2, runtime software, single license, for 2 installations - - content: 1x USB WinCC Redundancy gives you the option to operate two interconnected WinCC single-user systems or servers in parallel to monitor one other. If one of the two server computers fails, the second server assumes control of the entire system. After the failed server is operational again, the contents of all the message and process value archives are copied to the restored server.