- Report #: NT ELEC 031
- Approved: June 1999
This Nordtest report provides a method for validation of PLC safety critical application software. This means that verification of the PLC processing HW and OS must be performed as a separate task which is not covered by this method.
The validation of the PLC application program is not based on well-established techniques such as EMC or climatic testing, and additional explanations may therefore be needed to clarify the tasks to be performed. In order to enhance the readability of the report, additional descriptive information or examples (not normally included in a Nordtest report) will be provided throughout the report.
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