F 6 Posts in this encyclopedia category
Failure in Time (FIT)
Describes the failure rate of technical components, especially electronic components. The unit FIT indicates the number of components that fail in 109 hours. Statistically, components with a high...
Fault exclusion
According to EN ISO 13849-1, fault exclusions are a compromise between the technical safety requirements and the theoretical possibility of a fault occurring. Before considering fault exclusions...
Error tolerance time
Period of time during which the process can be impacted by faulty control signals without a dangerous condition occurring.
Enable current path
Generates a safety-related output signal. Enabling current paths act externally like normally open contacts (OSSD).
Frequency monitor
One of the many areas of application of the frequency monitor is monitoring the output frequency of drive inverters. In the event of overfrequency, underfrequency or violation of the set window...
Function test
Check of the expected function of a device. Can be performed either automatically by the control system or manually by monitoring or testing during operation and at specified intervals or as a...