IT in Manufacturing


Batch tracking and reporting

October 2008 IT in Manufacturing

SAB Maltings adopts latest Wonderware technology

Project goals

“We needed a system that could track our product through the production process in order to get a complete view with respect to production variables applicable to each batch,” says Eddie Jordaan, IS manager, SAB Maltings. “From a user perspective, we wanted to supply a system that could generate a report per batch detailing the production KPIs numerically and graphically. In addition, we needed reports detailing product transfer times and vessel occupancy times. Having access to this information was vital to optimise our processes.”

From this requirement arose the need for a batch tracking system for production and process data. Previously, the system consisted of an InTouch-based SCADA/HMI and IndustrialSQL Server (now known as the Wonderware Historian) providing process data and some trending but there was a lack of production information and no automated reports.

So, the project objective became the merging of production and process timelines into a single source of information with all the data in context for meaningful numerical and graphical reports of production KPIs. The overriding constraint was the safeguarding of existing system investments.

Solution selection

This mandated the use of the latest offerings from Wonderware and meant growing the system by adopting the Wonderware System Platform based on ArchestrA technology. In addition, the Equipment Operations Module would be responsible for capturing the production data that would then be stored in the Wonderware Information Server while Microsoft Reporting Services would be used for the generation of the necessary reports. This choice of solutions would provide seamless integration with the existing Wonderware investment.

The Equipment Operations Module is designed to help improve the consistency and effectiveness of plant operations by helping to execute production activities consistently, as well as providing accurate visibility into the status of operations. It Is also used where there are demands for end-to-end traceability of materials, equipment and other resources across production processes. Compatible with the ISA-95 industry standard, the Equipment Operations Module includes genealogy functions for correlating events and information captured across multiple areas and process segments.

“In view of the solution choice, we needed a Cape-Town-based and ArchestrA-certified system integrator that could provide a turn-key solution and that also had a local support infrastructure,” adds Jordaan. “AMR Automations was eventually selected after following a standard tender process.”

Solution implementation

AMR Automations made a point of understanding SAB Maltings’ business requirements before starting any engineering effort. “Once we understood what was required, we drew up a functional specification which was agreed upon and signed off by everyone including the production personnel,” says Andrew Rennie, director, AMR Automations. “This also applied to the report layouts and content.”

AMR Automations even went further through a Factory Acceptance Test for a complete simulation of the solution before starting any implementation in order to make sure that the system complied with SAB Maltings’ requirements in every detail. It took approximately one month to establish the base-infrastructure on site.

Figure 1. Batch tracking and reporting system topology at SAB Maltings
Figure 1. Batch tracking and reporting system topology at SAB Maltings

“Although this is a hybrid solution featuring a legacy InTouch installation connecting to newer System Platform technology, the integration is so seamless that you would never know it,” says Rennie. “The System Platform’s underlying ArchestrA technology allowed us to define and apply standards that reduce engineering effort and provide for its re-usability. Notably, this is the first installation of the Wonderware Equipment Operations Module in SAB.”

Information delivery

* Wonderware Information Server – Provides for web-based delivery of information with security. Along with the System Platform technology, AMR Automations had the opportunity to use the Microsoft SQL Server technology and this combination proved to be a really effective way of delivering the required information to those who need it while making use of the Microsoft security layers.

* Microsoft Reporting Services – Reporting functionality was designed using Microsoft Reporting Services that provided interactive reporting with drill-down capability to view production and process data.

* Dashboards and KPIs – Are visualised using published InTouch graphics.

Results

* The new system has highlighted operational and plant issues, which had previously been 'hidden' from view.

* True vessel occupancies and transfer times can be determined.

* Providing realtime data in the correct format now has made users more aware of true realities and they want more.

* Meaningful information is helping SAB Maltings achieve its overall objective of continuous process improvement.

Figure 2. The display of KPIs in realtime together with alarm status, all within the Wonderware Information Server framework
Figure 2. The display of KPIs in realtime together with alarm status, all within the Wonderware Information Server framework

“The eventual solution exceeded my expectations,” says Jordaan. “The first version produced the desired reports with about 80% accuracy. The inaccuracies were traced to mainly operational and plant issues which were subsequently identified and which we are currently addressing.”

For more information contact Andrew Rennie, AMR Automations, +27 (0)21 534 1524, andrew@amr.co.za, or Justin Tweedie, Wonderware Southern Africa, 0861 WONDER, justint@wonderware.co.za, www.wonderware.co.za



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