PCS 7 Unit Template "Dryer" using the example of the Chemical Industry
The standardization of automation engineering for processing plants, such as in the chemical industry, is a major challenge. Different process steps and procedures, different equipment and flexibility in the production make the task even more difficult.
This includes the structuring of the plant according to the physical model of the DIN EN 61512 standard. This specifies the lower four levels, i.e. plant, unit, technical facility and control module. A plant always consists of units. The units can, in turn, comprise technical facilities which can be automated by equipment modules.
This application example presents a fluidized bed dryer, with which the energy consumption can be optimized by using an MPC (Model Predictive Control) controller. Drying operations require a high amount of energy, which is why optimum and economical drying (as dry as necessary) is the objective.
Over-drying wastes energy and reduces the weight of the product, which can possibly negatively affect the sales revenue (based on weight). Insufficient drying, on the other hand, can cause difficulties in downstream process stages, e.g. decay, mold, lumps, etc. Therefore, precise controlling of the particle moisture content has great economic significance.
The unit template "Dryer" provides a template that comprises all typical components, their open- and closed-loop control, the necessary logic and interlocking as well as the visualization. It is modularly structured and based on standardized equipment modules and process tag types.
Its utilization offers the following advantages:
- A reduction of the knowledge necessary to develop applications
- A decrease in the configuration effort
- More flexible setup and adaptation due to equipment modules
- Standardized structures
Equipment Modules and Unit Templates
Efficient Engineering with SIMATIC PCS 7 in the Chemical Industry
- SIMATIC PCS 7 V9.0 SP1
- SIMATIC PCS 7 V8.0 SP1
Documentation and Sample Project for PCS 7 V9.0 SP1
Documentation (2,4 MB)
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Documantation and Sample Projects for PCS 7 V8.0 SP1
Documentation (4,2 MB)
PCS 7 V8.0 SP1 sample project (118,4 MB)
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E-Learning, Tutorial, Teaser, Webcast, Multimedia-based demonstration system, MMDS, Film, Screencast, contact dryer,convection dryer, dry air, drying process