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                             OPC server












                                Ethernet






                Automation Builder    CP600-Pro / CP600 / CP600-eCo
                engineering suite








                                                                       What are the benefits of AC500 HA for your high
                                 Sync                                  availability solution?
                                                                       •  Hot standby: Both CPUs (and all communica-
                                                                        tions) are hot: Permanently running in parallel,
                                                                        continuously synchronizing each other and
                                                                        monitoring the system. If the primary CPU is
                                                                        stopped, powered off or crashed, or if an I/O
                                                                        communication/cable has failed, the other
                                                                        hot standby CPU takes over immediately by
                                                                        adopting primary status.
                                                                       •  Higher resource utilization, no downtimes
                                                                        caused by cabling/hardware/software failure
                                                                        thanks to redundant CPUs and redundant
                                                                        communication to I/O and SCADA/HMI.           08
                                                                       •  Cost efficiency and easy system maintenance
                                                                        through the use of standard hardware.
                                                                       •  High availability is provided with standard
                                                                        CPUs. Cost matching hot standby quality for
                 ABB redundant I/O bus                                  small or large systems.
                 (with CI590)
                                                                       •  Scalable in both variants: CS31 redundancy bus
                                                                        or Ethernet.
                                                                       •  Suitable for large distances between redundant
                                                                        CPU (10th of kilometers).
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