The client/server architecture of Simatic PCS 7 Version 6.0 supports up to twelve servers, and up to 32 clients per server. At the same time, the quantity structure per server has been increased to approximately 5000 process tags. This further increases scalability – from the starter level with around 160 process tags, to the full expansion level with up to 60,000 process tags. The new Batch-flexible software is steplessly scalable and can be used in plants of any size – either as a single-user system, or within a modern client/server architecture. Fault-tolerant design of the batch server is also possible.
The hierarchical recipe structure in accordance with ISA S88.01 offers an integrated class concept for simple creation of neutral recipes for plant sections, optimized plant utilization through assignment of plants at runtime and management of recipe operations using the user library.
The validation functionality has been further expanded to acknowledge the increasing importance of plants requiring FDA (21 CFR Part 11) validation. It now encompasses Audit Trail and thus the logging of changes to recipes and recipe operations, as well as the logging of modifications during production. With the archive system – based on the Microsoft SQL Server – approximately 5000 process values can now be archived per second, and message bursts of around 15,000 can be controlled in ten seconds. The archive data are stored using data compression. An integrated archive backup is available as standard for swapping and protecting archives.