Simple controls ease process automation
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Siemens Automation and Drives product story
Edited by the Engineeringtalk editorial team
Mar 13, 2008
The PCS 7 system improvements give chemical, petrochemical, ethanol, glass and other process plants the tools to increase throughput and yield.
Siemens Automation and Drives has enhanced Version 7 of its Simatic PCS 7 process automation system to include a set of easy to use advanced process control (APC) capabilities.
From basic to advanced process control, the PCS 7 system improvements give chemical, petrochemical, ethanol, glass and other process plants the tools to increase throughput and yield, while minimising energy costs, raw material consumption and product variability.
Previously, advanced process control has been offered by companies as a complex optional extra.
PCS 7 now delivers an out of the box, integrated set of tools that provides basic to sophisticated APC capabilities that are more accessible to process engineers.
The APC enhancements in Version 7 of PCS 7 are tightly integrated into the system, allowing users to choose from different proven methods to help optimise their processes.
The improvements include basic PID enhancements such as auto tuning and gain scheduling, through a more sophisticated model such as predictive control (MPC), fuzzy logic and neural network control.
At the most advanced level, Version 7 of PCS 7 now offers control performance monitoring, including statistical analysis of process variable, control error and manipulated variable.
APC functionality is delivered by a set of embedded function blocks, which run in the controller alongside standard logic with pre-built faceplates for operation and monitoring through the HMI.
As with previous versions of the PCS 7 system, the enhanced version breaks traditional distributed control system limitations by offering the world's only platform that integrates new and existing automation systems and devices within the plant.
The system also has common tools for engineering, visualisation and plant-wide asset and maintenance management.
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