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Glossary
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R
RJ45
A standard type of 8-pin connector for network cables.
S
SELV
(Safety Extra Low Voltage) A system that follows IEC 61140 guidelines for power supplies is
protected in such a way that voltage between any 2 accessible parts (or between 1 accessible part
and the PE terminal for class 1 equipment) does not exceed a specified value under normal
conditions or under inoperable conditions.
SFF
(Safe Failure Fraction)
SIL
(Safety Integrity Level) (according to IEC 61508)
START warning time
Time between the STOP mode and START mode. During this time, the Horn is activated, the
motion and auxiliary function are not enabled.
STO
(Safe Torque Off) .
U
UL
(Underwriters Laboratories) A US organization for product testing and safety certification.
UOC
(Unintended Operating Control) The UOC function allows control of a drive STO input.