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Safe torque off function 147
Abbreviations
Abbr.
Reference
Description
Cat.
EN ISO 13849-1
Classification of the safety-related parts of a control system in respect
of their resistance to faults and their subsequent behavior in the fault
condition, and which is achieved by the structural arrangement of the
parts, fault detection and/or by their reliability. The categories are: B, 1,
2, 3 and 4.
CCF
EN ISO 13849-1
Common cause failure (%)
DC
EN ISO 13849-1
Diagnostic coverage
HFT
IEC 61508
Hardware fault tolerance
MTTF
d
EN ISO 13849-1
Mean time to dangerous failure: (The total number of life units) / (the
number of dangerous, undetected failures) during a particular
measurement interval under stated conditions
PFD
IEC 61508
Probability of failure on demand
PFH
IEC 61508
Probability of dangerous failures per hour
PL
EN ISO 13849-1
Performance level. Levels a…e correspond to SIL
SC
IEC 61508
Systematic capability
SFF
IEC 61508
Safe failure fraction (%)
SIL
IEC 61508
Safety integrity level (1…3)
SILCL
IEC/EN 62061
Maximum SIL (level 1…3) that can be claimed for a safety function or
subsystem
SS1
IEC/EN 61800-5-2
Safe stop 1
STO
IEC/EN 61800-5-2
Safe torque off
T1
IEC 61508-6
Proof test interval. T1 is a parameter used to define the probabilistic
failure rate (PFH or PFD) for the safety function or subsystem.
Performing a proof test at a maximum interval of T1 is required to keep
the SIL capability valid. The same interval must be followed to keep the
PL capability (EN ISO 13849) valid. Note that any T1 values given
cannot be regarded as a guarantee or warranty.
See also section
(page
Содержание ACS580-07-0495A-4
Страница 1: ...ABB general purpose drives Hardware manual ACS580 07 drives 250 to 500 kW ...
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Страница 8: ...4 Update notice ...
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Страница 24: ...20 Safety instructions ...
Страница 42: ...38 Operation principle and hardware description ...
Страница 74: ...70 Electrical installation PE PE 8 PE 13 11 7 8 12 13 ...
Страница 82: ...78 Electrical installation ...
Страница 102: ...98 Fault tracing ...
Страница 114: ...110 Maintenance R10 and R11 4 5 2 7 6 3 8 ...
Страница 115: ...Maintenance 111 R10 and R11 9 10 ...
Страница 116: ...112 Maintenance R10 and R11 11 ...
Страница 117: ...Maintenance 113 R10 and R11 12b 12a ...
Страница 118: ...114 Maintenance R10 and R11 R10 and R11 17 14 13 R11 15 16 ...
Страница 126: ...122 Technical data Input and motor cable terminal dimensions of frame R10 Bottom entry and exit ...
Страница 127: ...Technical data 123 Input and motor cable terminal dimensions of frame R11 Bottom entry and exit ...
Страница 134: ...130 Technical data ...
Страница 137: ...Dimension drawings 133 13 Dimension drawings Example dimension drawings are shown below ...
Страница 138: ...134 Dimension drawings Frames R10 and R11 IP42 ...
Страница 139: ...Dimension drawings 135 Frames R10 and R11 IP54 option B055 ...
Страница 140: ...136 Dimension drawings ...
Страница 152: ...148 Safe torque off function ...
Страница 174: ...Contact us www abb com drives www abb com drivespartners 3AXD50000032622 Rev A EN 2016 03 16 ...