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206 Safe Torque off function
Maintenance
After the operation of the circuit is verified at start-up, it does not need any
maintenance. However, it is a good practice to check the operation of the function
when the other maintenance procedures are carried out on the machinery.
Include the Safe torque off operation test described above in the routine maintenance
program of the machinery that the drive runs.
If any wiring or component change is needed after start up, or the parameters are
restored, follow the test given in section
Start-up including acceptance test
Fault tracing
The indications given during the normal operation of the Safe torque off function are
selected by drive parameter 31.22.
The diagnostics of the Safe torque off function cross-compare the status of the two
STO channels. In case the channels are not in the same state, a fault reaction
function is performed and the drive trips on an “STO hardware failure” fault. An
attempt to use the STO in a non-redundant manner, for example activating only one
channel, will trigger the same reaction.
See the drive firmware manual for the indications generated by the drive, and for
details on directing fault and warning indications to an output on the control unit for
external diagnostics.
Any failures of the Safe torque off function must be reported to ABB.
Safety data (SIL, PL)
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
channels are not used.
Frame
IEC 61508
SIL
PFH
d
(1/h)
HFT
SFF
(%)
T1
(Years)
PFD
U
N
= 208…500 V
R1
3
2.33E-09 (2.33 FIT)
1
99.81
20
4.58E-7
R2
3
2.33E-09 (2.33 FIT)
1
99.81
20
4.58E-7
R3
3
2.33E-09 (2.33 FIT)
1
99.81
20
3.69E-7
R4
3
2.43E-09 (2.43 FIT)
1
99.80
20
5.85E-7
R5
3
2.43E-09 (2.43 FIT)
1
99.80
20
5.85E-7
R6
3
2.44E-09 (2.44 FIT)
1
99.79
20
8.70E-7
R7
3
2.44E-09 (2.44 FIT)
1
99.79
20
8.70E-7
R8
3
3.84E-09 (3.84 FIT)
1
97.03
20
1.56E-4
ACS880-01 HW.book Page 206 Monday, July 1, 2013 4:51 PM
Содержание ACS880-01 Series
Страница 4: ...ACS880 01 HW book Page 4 Monday July 1 2013 4 51 PM...
Страница 12: ...12 ACS880 01 HW book Page 12 Monday July 1 2013 4 51 PM...
Страница 20: ...20 Safety instructions ACS880 01 HW book Page 20 Monday July 1 2013 4 51 PM...
Страница 26: ...26 Introduction to the manual ACS880 01 HW book Page 26 Monday July 1 2013 4 51 PM...
Страница 38: ...38 Operation principle and hardware description ACS880 01 HW book Page 38 Monday July 1 2013 4 51 PM...
Страница 80: ...80 Planning the electrical installation ACS880 01 HW book Page 80 Monday July 1 2013 4 51 PM...
Страница 86: ...86 Electrical installation 2 1 1 3 5 10 4 IP21 IP55 1 ACS880 01 HW book Page 86 Monday July 1 2013 4 51 PM...
Страница 90: ...90 Electrical installation 2 1b 1a 4b 4 4a 3 3 IP55 IP21 1 ACS880 01 HW book Page 90 Monday July 1 2013 4 51 PM...
Страница 91: ...Electrical installation 91 6 6 7 5 PE PE 7 6 ACS880 01 HW book Page 91 Monday July 1 2013 4 51 PM...
Страница 95: ...Electrical installation 95 6 8a 7 PE PE 7 R8 R9 ACS880 01 HW book Page 95 Monday July 1 2013 4 51 PM...
Страница 96: ...96 Electrical installation 8b R8 R9 ACS880 01 HW book Page 96 Monday July 1 2013 4 51 PM...
Страница 98: ...98 Electrical installation 16 13 R8 R9 ACS880 01 HW book Page 98 Monday July 1 2013 4 51 PM...
Страница 106: ...106 Electrical installation 6 5 7 7 1 5 N m 0 5 N m 3 3 1 5 N m ACS880 01 HW book Page 106 Monday July 1 2013 4 51 PM...
Страница 112: ...112 Electrical installation 3 5 5a 5 5 6 X12 ACS880 01 HW book Page 112 Monday July 1 2013 4 51 PM...
Страница 114: ...114 Electrical installation X12 6 1 4 4a 4 4 5 ACS880 01 HW book Page 114 Monday July 1 2013 4 51 PM...
Страница 118: ...118 Start up ACS880 01 HW book Page 118 Monday July 1 2013 4 51 PM...
Страница 120: ...120 Fault tracing ACS880 01 HW book Page 120 Monday July 1 2013 4 51 PM...
Страница 131: ...Maintenance 131 3 4 5 3 ACS880 01 HW book Page 131 Monday July 1 2013 4 51 PM...
Страница 171: ...Technical data 171 Declaration of Conformity ACS880 01 HW book Page 171 Monday July 1 2013 4 51 PM...
Страница 172: ...172 Technical data ACS880 01 HW book Page 172 Monday July 1 2013 4 51 PM...
Страница 178: ...178 Dimension drawings Frame R1 IP21 UL Type 1 3AUA0000097621 ACS880 01 HW book Page 178 Monday July 1 2013 4 51 PM...
Страница 179: ...Dimension drawings 179 Frame R2 IP21 UL Type 1 3AUA0000097691 ACS880 01 HW book Page 179 Monday July 1 2013 4 51 PM...
Страница 180: ...180 Dimension drawings Frame R3 IP21 UL Type 1 3AUA0000097847 ACS880 01 HW book Page 180 Monday July 1 2013 4 51 PM...
Страница 183: ...Dimension drawings 183 Frame R6 IP21 UL Type 1 3AUA0000098321 ACS880 01 HW book Page 183 Monday July 1 2013 4 51 PM...
Страница 184: ...184 Dimension drawings Frame R7 IP21 UL Type 1 3AUA0000073149 ACS880 01 HW book Page 184 Monday July 1 2013 4 51 PM...
Страница 185: ...Dimension drawings 185 Frame R8 IP21 UL Type 1 3AUA0000073150 ACS880 01 HW book Page 185 Monday July 1 2013 4 51 PM...
Страница 186: ...186 Dimension drawings Frame R9 IP21 UL Type 1 3AUA0000073151 ACS880 01 HW book Page 186 Monday July 1 2013 4 51 PM...
Страница 187: ...Dimension drawings 187 Frame R1 IP55 UL Type 12 3AUA0000097621 ACS880 01 HW book Page 187 Monday July 1 2013 4 51 PM...
Страница 188: ...188 Dimension drawings Frame R2 IP55 UL Type 12 3AUA0000097691 ACS880 01 HW book Page 188 Monday July 1 2013 4 51 PM...
Страница 189: ...Dimension drawings 189 Frame R3 IP55 UL Type 12 3AUA0000097847 ACS880 01 HW book Page 189 Monday July 1 2013 4 51 PM...
Страница 192: ...192 Dimension drawings Frame R6 IP55 UL Type 12 3AUA0000098321 ACS880 01 HW book Page 192 Monday July 1 2013 4 51 PM...
Страница 193: ...Dimension drawings 193 Frame R7 IP55 UL Type 12 3AUA0000073149 ACS880 01 HW book Page 193 Monday July 1 2013 4 51 PM...
Страница 194: ...194 Dimension drawings Frame R8 IP55 UL Type 12 3AUA0000073150 ACS880 01 HW book Page 194 Monday July 1 2013 4 51 PM...
Страница 195: ...Dimension drawings 195 Frame R9 IP55 UL Type 12 3AUA0000073151 ACS880 01 HW book Page 195 Monday July 1 2013 4 51 PM...
Страница 196: ...196 Dimension drawings ACS880 01 HW book Page 196 Monday July 1 2013 4 51 PM...
Страница 209: ...Safe Torque off function 209 Certificate ACS880 01 HW book Page 209 Monday July 1 2013 4 51 PM...
Страница 210: ...210 Safe Torque off function ACS880 01 HW book Page 210 Monday July 1 2013 4 51 PM...
Страница 220: ...220 Resistor braking ACS880 01 HW book Page 220 Monday July 1 2013 4 51 PM...