Specifications; Functional Safety Standards And Performance - Danfoss iC7 Series Operating Manual

iC7 Series Functional Safety
Operating Guide

7 Specifications

7.1 Functional Safety Standards and Performance

All safety functions in the iC7 drives meet the requirements of the standards listed in this chapter.
Table 11: Functional Safety Standards and Performance
Directive or Standard
European Union directives
Safety standards
Safety function
Safety performance
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Machinery Directive (2006/42/EC)
EMC Directive (2014/30/EU)
Low Voltage Directive (2014/35/EU)
Safety of Machinery
Functional Safety
EN ISO 13849-1:2015
Category
Coverage of diagnostic (functional) test
Performance Level
Maximum diagnostic test interval for related perform-
ance level
Mean Time to Dangerous Failure
IEC 61508:2010
Safety Integrity Level
Maximum diagnostic test interval for related safety in-
tegrity level
Probability of Dangerous Failure per Hour
Probability of Dangerous Failure on Demand
HFT
Subsystem Classification
Proof Test Interval T1
Mission time TM
Specifications
Version
EN ISO 13849-1:2015,
EN ISO 13849-2:2012
EN IEC 61800-5-2:2007
EN IEC 61800-3:2018 – second environ-
ment
EN IEC 61326-3-1:2017
EN IEC 61800-5-1:2017
EN ISO 13849-1:2015, IEC 60204-1:2018
IEC 61508-1:2010, IEC 61508-2:2010,
EN IEC 61800-5-2:2017
EN IEC 61800-5-2:2017 Safe Torque
Off (STO)
IEC 60204-1:2018 Stop Category 0
Cat 3
>90% (Medium)
Up to PL e
PL e: 3 months
PL d: 12 months
High (100 years per channel)
Up to SIL 3
SIL 3: 3 months
SIL 2: 12 months
PFH: < 8 FIT
-4
PFD: < 5·10
Hardware Fault Tolerance = 1
Type A
20 years
20 years
AQ319741840653en-000201 / 136R0268