SLS - Safely limited speed Safety function in accordance with EN IEC 61800-5-2, monitors the drive to
check that it stays within a defined speed limit.
SS1 - Safe stop 1 Safety function in accordance with EN IEC 61800-5-2, ensures that the mo-
tor decelerates in the expected way.
STO - Safe Torque Off Safety function in accordance with EN IEC 61800-5-2, prevents torque from
being generated by the motor. This function is integrated within the drive
as a standard.
W
Warning If the term is used outside the context of safety instructions, a warning
alerts to a potential problem that was detected by a monitoring function. A
warning is not an error and does not cause a transition of the operating
state.
Glossary - VLT® Safety Option MCB
150/151
Installation Guide | VLT® Safety Option MCB 150/151
AQ279747441421en-000101 / 130R0292 | 101
Danfoss A/S © 2018.09
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