Partial Loss of PLC Program
Event Year: | 2005 | Reliability: | Likely But Unconfirmed |
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Country: | United Kingdom | ||
Industry Type: | Food & Beverage | ||
Description: | There had been reports of problems with a control loop on the system for a number of weeks. Upon investigation, it was discovered that it was possible to delete a sequence without any notification when working on line. It was assumed that this was what had happened and it was also discovered that it was not the only sequence deleted. |
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Impact: | Unable to correctly control the specification of a final product. |
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Action Description: | The Control team were all informed of the possibility of this happening and the supplier was informed that a modification should be made to their software. |