Danfoss VLT 사용 설명서 - 페이지 13
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STO Technical Data
5 STO Technical Data
NOTICE
For technical specifications and operating conditions for the frequency converter, refer to the relevant Operating
Instructions of the frequency converter.
NOTICE
The STO signal must be SELV or PELV supplied.
European Directives
Safety
Standards
Safety Function
Safety Performance
Reaction time
Table 5.1 Technical Data
SISTEMA Data
Functional safety data are available from a data library for use with the SISTEMA calculation tool from the IFA (Institute for
Occupational Safety and Health of the German Social Accident Insurance), and data for manual calculation. SISTEMA is
available for download at www.danfoss.com/BusinessAreas/DrivesSolutions/SISTEMA/.
MG37D202
Operating Instructions
EN ISO 13849-1
Machinery Directive
EN IEC 62061
(2006/42/EC)
EN IEC 61800-5-2
EN 50011
EMC Directive
EN 61000-6-3
(2004/108/EC)
EN 61800-3
Low Voltage
EN 50178
(2006/95/EC)
EN 61800-5-1
Safety of Machinery
EN ISO 13849-1, IEC 62061, IEC 60204-1
Functional Safety
IEC 61508-1 to -7, IEC 61800-5-2
IEC 61800-5-2
Safe Torque Off (STO)
ISO 13849-1
Category
Cat 3
Diagnostic
DC: 90% (Medium)
Coverage
Mean Time to Dangerous
MTTFd: 14000 years (High)
Failure
Performance Level
PL d
IEC 61508 / IEC 62061
Safety Integrity Level
SIL 2, SIL CL2
Probability of
PFH: 1E-10/h
Dangerous Failure
(High Demand Mode)
per Hour
Probability of
PFD: 1E-10
Dangerous Failure
(Low Demand Mode)
on Demand
Safe Failure Fraction
SFF: > 99%
Hardware Fault Tolerance
HFT: 0 (1oo1)
Proof Test Interval T1
20 Years
Mission time TM
20 Years
Input to output response time Maximum 20 ms
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IEC 60204-1
Stop Category 0
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