1756-RM093F-EN-P, GuardLogix Controller Systems ... - Tuv-fs.com
1756-RM093F-EN-P, GuardLogix Controller Systems ... - Tuv-fs.com
1756-RM093F-EN-P, GuardLogix Controller Systems ... - Tuv-fs.com
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Preface<br />
Understanding Terminology<br />
The following table defines terms used in this manual.<br />
Terms and Definitions<br />
Abbreviation Full Term Definition<br />
1oo2 One out of Two Identifies the programmable electronic controller architecture.<br />
CIP Common Industrial Protocol A <strong>com</strong>munication protocol designed for industrial automation applications.<br />
CIP Safety Common Industrial Protocol – SIL 3 rated version of CIP<br />
Safety Certified<br />
DC Diagnostic Coverage The ratio of the detected failure rate to the total failure rate.<br />
<strong>EN</strong> European Norm. The official European Standard.<br />
GSV Get System Value A ladder logic instruction that retrieves specified controller status information and<br />
places it in a destination tag.<br />
PC Personal Computer Computer used to interface with, and control, a Logix-based system via<br />
RSLogix 5000 programming software.<br />
PFD Probability of Failure on Demand The average probability of a system to fail to perform its design function on<br />
demand.<br />
PFH Probability of Failure per Hour The probability of a system to have a dangerous failure occur per hour.<br />
PL Performance Level ISO 13849-1 safety rating<br />
SNN Safety Network Number A unique number that identifies a section of a safety network.<br />
SSV Set System Value A ladder logic instruction that sets controller system data.<br />
-- Standard Any object, task, tag, program, or <strong>com</strong>ponent in your project that is not a<br />
safety-related item (that is, standard controller refers generically to a ControlLogix<br />
or CompactLogix controller).<br />
10 Publication <strong>1756</strong>-<strong>RM093F</strong>-<strong>EN</strong>-P - January 2010