Open platform system saves ethanol plant millions

Golden Grain Energy in Mason City, Iowa, was looking for a way to reduce maintenance costs for their operating systems. Golden grain produces 125M gallons /year of distiller’s grains and non-food grade corn oil. The plant was running an Advanced Process Control (APC) “black box” which had worked well until modifications were needed. Although system controls reside in PCs rather than the DCS, the system is effective with non-linear and adaptive process. However, it requires extensive process knowledge and process […] Read More

How to determine when an alarm is really an emergency

In a quest to better manage production, high alarm rates have a negative outcome: information overload. When all systems are triggering alarms, how does any critical information get through to an operator? When Golden Grain Energy upgraded from APACS to Siemens PCS 7, Trident Automation worked with the plant to create the most customized alarm management system possible. “Our process helps the customer to better organize alarm systems,” said Nate Nutter, PCS 7 Certified Engineer, at Trident Automation. “When customers […] Read More