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Appendix: Safe torque off (STO) 427
Safety data
The safety data for the Safe torque off function is given below.
Note:
The safety data is calculated for redundant use, and does not apply if both STO
channels are not used.
Type
ACS355-
Frame
size
IEC 61508 and IEC/EN 61800-5-2
SIL
SC
PFH
(1/h)
HFT
SFF
(%)
T1
(a)
PFD
(T1=2a)
1-phase
U
N
= 200
…
240 V
(200, 208, 220, 230, 240 V)
01x-02A4-2
R0
3
3
6.20E-09
1
91
10
4.77E-08
01x-04A7-2
R1
3
3
6.20E-09
1
91
10
4.77E-08
01x-06A7-2
R1
3
3
6.20E-09
1
91
10
4.77E-08
01x-07A5-2
R2
3
3
6.16E-09
1
92
10
4.85E-08
01x-09A8-2
R2
3
3
6.16E-09
1
92
10
4.85E-08
3-phase
U
N
= 200
…
240 V
(200, 208, 220, 230, 240 V)
03x-02A4-2
R0
3
3
6.20E-09
1
91
10
4.65E-04
03x-03A5-2
R0
3
3
6.20E-09
1
91
10
4.65E-04
03x-04A7-2
R1
3
3
6.20E-09
1
91
10
4.65E-04
03x-06A7-2
R1
3
3
6.20E-09
1
91
10
4.65E-04
03x-07A5-2
R1
3
3
6.20E-09
1
91
10
4.65E-04
03x-09A8-2
R2
3
3
6.16E-09
1
92
10
4.61E-04
03x-13A3-2
R2
3
3
6.16E-09
1
92
10
4.61E-04
03x-17A6-2
R2
3
3
6.16E-09
1
92
10
4.61E-04
03x-24A4-2
R3
3
3
6.16E-09
1
92
10
4.62E-04
03x-31A0-2
R4
3
3
6.16E-09
1
93
10
4.62E-04
03x-46A2-2
R4
3
3
6.16E-09
1
93
10
4.62E-04
3-phase
U
N
= 380
…
480 V
(380, 400, 415, 440, 460, 480 V)
03x-01A2-4
R0
3
3
6.16E-09
1
92
10
4.61E-04
03x-01A9-4
R0
3
3
6.16E-09
1
92
10
4.61E-04
03x-02A4-4
R1
3
3
6.16E-09
1
92
10
4.61E-04
03x-03A3-4
R1
3
3
6.16E-09
1
92
10
4.61E-04
03x-04A1-4
R1
3
3
6.16E-09
1
92
10
4.61E-04
03x-05A6-4
R1
3
3
6.16E-09
1
92
10
4.61E-04
03x-07A3-4
R1
3
3
6.16E-09
1
92
10
4.61E-04
03x-08A8-4
R1
3
3
6.16E-09
1
92
10
4.61E-04
03x-12A5-4
R3
3
3
6.16E-09
1
92
10
4.62E-04
03x-15A6-4
R3
3
3
6.16E-09
1
92
10
4.62E-04
03x-23A1-4
R3
3
3
6.16E-09
1
92
10
4.62E-04
03x-31A0-4
R4
3
3
6.16E-09
1
93
10
4.62E-04
03x-38A0-4
R4
3
3
6.16E-09
1
93
10
4.62E-04
03x-44A0-4
R4
3
3
6.16E-09
1
93
10
4.62E-04
3AXD00000353783.xls L
Summary of Contents for ACS355 series
Page 1: ...ABB machinery drives User s manual ACS355 drives ...
Page 4: ......
Page 16: ...16 ...
Page 32: ...32 Operation principle and hardware description ...
Page 58: ...58 Electrical installation ...
Page 74: ...74 Start up control with I O and ID run ...
Page 106: ...106 Control panels ...
Page 120: ...120 Application macros ...
Page 178: ...178 Program features ...
Page 338: ...338 Fieldbus control with embedded fieldbus ...
Page 368: ...368 Fault tracing ...
Page 404: ...404 Dimension drawings ...
Page 410: ...410 Appendix Resistor braking ...
Page 434: ...434 Appendix Permanent magnet synchronous motors PMSMs ...