Danfoss VLT FC 280 Operating Manual page 6

Operating Guide | VLT® Midi Drive FC 280
Erasing Data
5.10.7
5.10.8 Transfer Performance and Indications
Safety Functions
6
6.1 Introduction
6.2 System Overview
6.2.1 Safety Function Architecture
6.2.2 Safe State
Internal and External Fault
6.2.3
6.2.4 Fault Reaction
6.2.5 Recovery from Safe State
Recovery from Safe Function Triggered Normally
6.2.5.1
Recovery from Safety Events
6.2.5.2
Safety Functions
6.3
6.3.1 Safe Torque Off (STO)
Overview of Safe Torque Off (STO)
6.3.1.1
STO Triggered by DI
6.3.1.2
STO Triggered by Fieldbus
6.3.1.3
Exit STO
6.3.1.4
Restart Behavior
6.3.1.5
Safe Stop 1 Time Controlled (SS1-t)
6.3.2
6.3.2.1 Overview of Safe Stop 1 Time Controlled (SS1-t)
6.3.2.2 SS1-t Triggered by DI
6.3.2.3 SS1-t Triggered by Fieldbus
6.3.2.4 SS1-t Timer Start
6.3.2.5 SS1-t Timing Quit
6.3.2.6 Safe State of SS1-t
6.3.2.7 Timing Precision
6.4 Safety Digital Input
Valid Voltage
6.4.1
6.4.2 Debouncing
6.4.3 Discrepancy Tolerance
Safety Fieldbus
6.5
6.5.1 PROFIsafe
6.5.2 PROFIsafe System
6.5.2.1 Overview
6.5.2.2 The PROFIsafe Frame
6 | Danfoss A/S © 2024.10
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