
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.
T
M
(a)
CCF
HFT
SC
Cat.
DC
(%)
MTTF
D
(a)
PFD
avg
(T
1
= 5 a)
PFD
avg
(T
1
= 2 a)
PFH
(T
1
= 20 a)
(1/h)
SFF
(%)
PL
SIL
Frame
size
20
80
1
3
3
≥90
23970
1.1E-06
4.5E-07
5.0E-11
>99
e
3
R8i
20
80
1
3
3
≥90
16330
1.3E-06
5.5E-07
6.2E-11
>99
e
3
2×R8i
20
80
1
3
3
≥90
12390
1.6E-06
6.5E-07
7.3E-11
>99
e
3
3×R8i
20
80
1
3
3
≥90
9980
1.9E-06
7.6E-07
8.4E-11
>99
e
3
4×R8i
20
80
1
3
3
≥90
8360
2.1E-06
8.6E-07
9.5E-11
>99
e
3
5×R8i
20
80
1
3
3
≥90
7190
2.4E-06
9.6E-07
1.1E-10
>99
e
3
6×R8i
20
80
1
3
3
≥90
6310
2.6E-06
1.1E-06
1.2E-10
>99
e
3
7×R8i
20
80
1
3
3
≥90
5620
2.8E-06
1.2E-06
1.3E-10
>99
e
3
8×R8i
3AXD10000078136 G
The Safe torque off function 231
Summary of Contents for ACS880-37LC-0390A-7
Page 1: ... ABB INDUSTRIAL DRIVES ACS880 37LC drives Hardware manual ...
Page 2: ......
Page 4: ......
Page 13: ...16 Resistor braking Further information Table of contents 13 ...
Page 14: ...14 ...
Page 24: ...24 ...
Page 28: ...28 ...
Page 50: ...50 ...
Page 70: ...70 Mechanical installation ...
Page 110: ...10 110 Electrical installation ...
Page 113: ...With FDPI 02 modules OPEN TERMINATED 1 1 2 2 OPEN TERMINATED 3 Electrical installation 113 11 ...
Page 134: ...134 ...
Page 140: ...140 ...
Page 148: ...a b c 148 Maintenance ...
Page 151: ...4 5 6 Maintenance 151 ...
Page 164: ...164 ...
Page 174: ...174 ...
Page 196: ...196 ...
Page 199: ... Dimension drawing examples ACS880 37LC 0390A 7 with main contactor Dimensions 199 ...
Page 201: ...ACS880 37LC 1270A 7 with common motor terminal cubicle Dimensions 201 ...
Page 202: ...ACS880 37LC 1940A 7 with common motor terminal cubicle 202 Dimensions ...
Page 205: ...Location and size of input terminals Contact ABB for details Dimensions 205 ...
Page 206: ... 100 kA input cubicle option F274 206 Dimensions ...
Page 208: ...Inverter module cubicle with two R8i modules bottom cable exit 208 Dimensions ...
Page 209: ...Inverter module cubicle with three R8i modules bottom cable exit Dimensions 209 ...
Page 210: ...Brake chopper cubicle 210 Dimensions ...
Page 212: ...Cubicle width 300 mm top cable exit 212 Dimensions ...
Page 213: ...Cubicle width 400 mm bottom cable exit Dimensions 213 ...
Page 214: ...Cubicle width 400 mm top cable exit 214 Dimensions ...
Page 215: ...Cubicle width 600 mm bottom cable exit Dimensions 215 ...
Page 216: ...Cubicle width 600 mm top cable exit 216 Dimensions ...
Page 238: ...238 ...
Page 240: ...240 ...