1) For actual use in plants, the hardware requirements are largely dependent on the project size and the dynamic response of the process variables. Whenever possible, use rugged, high-quality hardware with corresponding functionalities such as redundant power supply units or RAID hard disks. WinCC OA supports dual and multi-processor mode and benefits significantly from the fact that each WinCC OA Manager can be assigned to one processor core as a system process. At the same time, however, it is important that the individual cores offer the highest possible performance (high clocking), since load-critical core processes such as the event manager run on exactly one core (for this reason, multi-core machines with low-clocked cores are unsuitable for WinCC OA). As for RAM, CPU and HDD, the usual rule applies: more is better 2) System requirements generally only refer to WinCC OA Version 3.14 under the supported versions of the Windows and Linux operating systems. 3) A precondition for the minimum requirement is that the operating system used does not have any greater requirements itself 4) With a large system it is essential that the system permits not only the highest data point numbers but also a high dynamic response. WinCC OA is ideally suited for use in very large distributed systems. The optimum design of such systems demands corresponding system knowledge of WinCC OA. Due to the event-oriented processing, individual design parameters can be increased or reduced as necessary in actual applications.
1) Dependent on the available storage space 2) Dependent on the system configuration and the system load (due to the event-oriented architecture, the system load is essentially determined by the change rates of the values to be processed) 3) By means of high-performance hardware configuration (one archiving cluster and approx. 120 distributed systems that archive parallel values in the cluster): 200,000 archived value changes per second 4) Physical limit: <2048, in practice systems have already been implemented with up to 550 distributed systems 5) Physical limit: < 244 clients per server, recommended: max. 100 clients per server |
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