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Hot standby redundancy
ETM professional control GmbH
 
With the aid of the well thought-out redundancy concept of WinCC Open Architecture it is possible to fulfill the demands of plant engineers and operators in terms of availability and process and data security.
  • Hot standby redundancy with dual computer systems
  • In a redundant system each user interface is linked with the active and passive system. Redundancy switching is thus smooth without impairing system operability
  • Automatic switching is performed in the tenth-of-a-second range without data loss
  • Automatic matching of process image, alarm data and history at system start-up
  • Freely configurable switching mechanisms with weighted error status evaluation
  • Additional security by means of differentiating between computer and network failure
  • Redundant network connections between different computers
  • Split mode with redundancy - Test of new configurations and parameterizations without interfering the operation.
Hot standby redundancy


 
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