Expandable Process Control System with WinCC OA WinCC OA Redu Summary DMC was hired by a company in the medical devices eld who was creating a new uid process mixing and bottling line. DMC created an expandable process control system with CFR 21 Part 11 compliant audit trail capability. Customer Benefits CFR 21 Part 11 compliance Easy-to-use HMISingle application for multiple PLC connections Technologies WinCC OA 3.12 Siemens S7-1500 processors Oracle DB integration WinCC OA redundancy Active Directory integration Solution DMC created a PLC program and WinCC OA program in tandem, maximizing the use of object oriented (OO) concepts during implementation. By designing the system with OO in mind, ease of implementation and, more importantly, expansion were signicantly improved. New subsyst

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