Safe Torque Off. A safety function according to EN IEC 61800-5-2.
Safe Stop 1. A safety function according to EN IEC 61800-5-2.
Safe Stop 2. A safety function according to EN IEC 61800-5-2.
Safe Quick Stop. A manufacturer-specific safety function. Used as a violation response for safe monitoring
functions. Parameterizable to behave as the STO, SS1 or SS2 function.
Used to indicate the STO, SS1 or SS2 function as the selected behavior of the SQS function.
Safe Limited Speed. A safety function according to EN IEC 61800-5-2.
Safe Speed Range. A safety function according to EN IEC 61800-5-2.
Safe Speed Monitor. A safety function according to EN IEC 61800-5-2.
Safe Maximum Speed. A manufacturer-specific safety function.
Safe Brake Control. A safety function according to EN IEC 61800-5-2.
Safe Operating Stop. A safety function according to EN IEC 61800-5-2.
Transistor-Transistor Logic. A voltage level definition.
A fault caused by a safety function detecting a violation of the monitored value(s). The value monitored
by a safety function has exceeded the set limit for that value.
A reaction to a violation. It is the STO function for the safe stopping functions, and the SQS function for
the safe monitoring functions.
AQ319736045637en-000101 / DPD0179818 | Danfoss A/S © 2021.06
Introduction
VACON® NXP Advanced Safety Options
Operating Guide
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