21 CFR Part 11 might really be called the Data Integrity Act. Here is a high-level look at what is needed to ensure compliance. By John Avellanet, Cerulean Associates, LLC Data integrity is critical to regulatory compliance, and the fundamental reason for 21 CFR Part 11. This article outlines and summarizes strategies and requirements. […]
Money spent to reduce deadtime (e.g. greater agitation, faster valves, faster measurements) will be wasted if the controller is not tuned faster. You may have wonderful process dynamics but loop performance will be lousy if the PID is not tuned to be commensurate with the opportunity. A loop with excessively slow tuning and low deadtime […]
By Terry Blevin Single-loop and multi-loop control may be used to address a wide variety of control requirements. However, if a process is characterized by extremely long process delays or by a high degree of process interaction, then other control techniques may be required. In Chapter 16 of Control Loop Foundation – Batch and Continuous […]
New Web portal to include searchable database The U.S. Food and Drug Administration today announced that it is disclosing more information about inspections and court actions, and now has a web portal on its enforcement activities as part of Phase II of the agency’s Transparency Initiative. These actions are being taken to make FDA’s enforcement […]
By Robert Cook This entry is part 5 of 5 in the series How to Interpret Piping and Instrumentation Diagrams With a Bit of Smoke, a Few Mirrors and a Degree in Hieroglyphics, Anyone Can Learn to Read a P&ID. From CheNected
By Robert Cook This entry is part 4 of 5 in the series How to Interpret Piping and Instrumentation Diagrams With a Bit of Smoke, a Few Mirrors and a Degree in Hieroglyphics, Anyone Can Learn to Read a P&ID. From CheNected
By Robert Cook This entry is part 3 of 5 in the series How to Interpret Piping and Instrumentation Diagrams With a Bit of Smoke, a Few Mirrors and a Degree in Hieroglyphics, Anyone Can Learn to Read a P&ID. From CheNected
By Robert Cook This entry is part 2 of 5 in the series How to Interpret Piping and Instrumentation Diagrams With a Bit of Smoke, a Few Mirrors and a Degree in Hieroglyphics, Anyone Can Learn to Read a P&ID. From CheNected
By Robert Cook This entry is part 1 of 5 in the series How to Interpret Piping and Instrumentation Diagrams With a Bit of Smoke, a Few Mirrors and a Degree in Hieroglyphics, Anyone Can Learn to Read a P&ID. This is Part 1 of a five-part series. from CheNected
March U.S. manufacturing technology consumption totaled $511.15 million according to AMTDA, the American Machine Tool Distributors’ Association and AMT – The Association For Manufacturing Technology. This total, as reported by companies participating in the USMTC program, was up 57.6% from February and up 99.0% when compared with the total of $256.88 million reported for March […]