Safety Data - ABB ACS355 series User Manual

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 Frame
ACS355-
1-phase U = 200...240 V (200, 208, 220, 230, 240 V)
N
01x-02A4-2
01x-04A7-2
01x-06A7-2
01x-07A5-2
01x-09A8-2
3-phase U = 200...240 V (200, 208, 220, 230, 240 V)
N
03x-02A4-2
03x-03A5-2
03x-04A7-2
03x-06A7-2
03x-07A5-2
03x-09A8-2
03x-13A3-2
03x-17A6-2
03x-24A4-2
03x-31A0-2
03x-46A2-2
3-phase U = 380...480 V (380, 400, 415, 440, 460, 480 V)
N
03x-01A2-4
03x-01A9-4
03x-02A4-4
03x-03A3-4
03x-04A1-4
03x-05A6-4
03x-07A3-4
03x-08A8-4
03x-12A5-4
03x-15A6-4
03x-23A1-4
03x-31A0-4
03x-38A0-4
03x-44A0-4
size
SIL SC
R0 3 3
R1 3 3
R1 3 3
R2 3 3
R2 3 3
R0 3 3
R0 3 3
R1 3 3
R1 3 3
R1 3 3
R2 3 3
R2 3 3
R2 3 3
R3 3 3
R4 3 3
R4 3 3
R0 3 3
R0 3 3
R1 3 3
R1 3 3
R1 3 3
R1 3 3
R1 3 3
R1 3 3
R3 3 3
R3 3 3
R3 3 3
R4 3 3
R4 3 3
R4 3 3
Appendix: Safe torque off (STO) 427
IEC 61508 and IEC/EN 61800-5-2
PFH HFT
(1/h)
6.20E-09 1
6.20E-09 1
6.20E-09 1
6.16E-09 1
6.16E-09 1
6.20E-09 1
6.20E-09 1
6.20E-09 1
6.20E-09 1
6.20E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
6.16E-09 1
SFF T1 PFD
(%) (a) (T1=2a)
91 10 4.77E-08
91 10 4.77E-08
91 10 4.77E-08
92 10 4.85E-08
92 10 4.85E-08
91 10 4.65E-04
91 10 4.65E-04
91 10 4.65E-04
91 10 4.65E-04
91 10 4.65E-04
92 10 4.61E-04
92 10 4.61E-04
92 10 4.61E-04
92 10 4.62E-04
93 10 4.62E-04
93 10 4.62E-04
92 10 4.61E-04
92 10 4.61E-04
92 10 4.61E-04
92 10 4.61E-04
92 10 4.61E-04
92 10 4.61E-04
92 10 4.61E-04
92 10 4.61E-04
92 10 4.62E-04
92 10 4.62E-04
92 10 4.62E-04
93 10 4.62E-04
93 10 4.62E-04
93 10 4.62E-04
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