● If you power down both BATCH servers on a redundant system with a time lag, when
restarting the BATCH server you will have to firstly restart the server you powered down
last. If you don't do this, there is a risk of you losing batch measurements and messages
from the period of the time lag.
● When starting and ending database synchronization between the master and standby
servers, the WinCC messages "Data synchronization started" and "Data synchronization
complete" are produced.
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Hardware requirements
● Redundant BATCH servers always require an additional network adapter independent from
the terminal and plant bus. These network adapters can be of the same type.
● The additional network adapters must be installed in your PCs (redundant BATCH server
pair) in free PCI slots.
● Make sure that you read the information in the relevant SIMATIC PCS 7 documents,
especially the document
PCS 7 - PC Configuration and Authorization
.
Product introduction and installation
3.5 Possible configurations
SIMATIC BATCH V8.2
58 Operating Manual, 02/2016, A5E35958174-AA
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