The next entry in our Digitalization Digest, articles and thoughts regarding manufacturing plant digitalization, focuses on a project for an international manufacturer of private label food and beverages across North America and Italy for retail grocery, food service, and industrial customers.
Limited production capacity, due in part to an obsolescent network within the plant, had become a major problem. Process and Data Automation (PDA) commissioned and tested the production equipment, as well as evaluated and programmed the control network which included PLC and HMI work. During the evaluation step, it was established that the existing pumps in the plant and their VFD controls were unable to meet production needs and should be replaced. In addition, the existing controls operated on DeviceNet, a system that the plant had already decided to phase out, represented a further limitation.
PDA recommended the installation of an Ethernet control system with retention and careful use of the existing legacy PLC processor. Upon further discussion and evaluation, it was then determined that network evaluation, together with a segregation strategy, was essential to ensure that the increased traffic from the new equipment would not interfere with other operations in the plant. PDA provided the engineering and hardware for the PLC programming to integrate two new SPXFlow Universal TS series pumps and replace two Powerflex 40 drives with Powerflex 525 drives.
During the project, problems associated with merging new technologies with the aging infrastructure were successfully overcome by being able to provide the plant with a more modular system, as well as the capability to meet the production demands. Also, by using the approach of retaining functional legacy equipment, the overall cost of the project was significantly reduced.
Overall, the changes to the plant simply represented an upgrade to the existing processing system and replacement of the older controls that had operated at a lower feed rate. The new equipment provided enhanced diagnostic capabilities that allow both tracking and recovery of data. PDA discussed with the client the need for future improvements in the plant, including:
PDA is a full-service, CSIA Certified industrial control systems integration firm. The Controls Engineering group specializes in physical automation system design, programming, and commissioning. PDA also features a dedicated Digitalization Group (DSG) that connects automated equipment and systems to the business system environment including protected recipe systems, data collection and reporting, and data historian implementation. DSG can provide the systems you need to set your systems up for proper operation and then provide the tools you need to make sure you execute as planned.
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