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206 Appendix: Safe Torque Off (STO)
Data related to safety standards
Safety data
Proof test interval (PTI) T
1
= 2 years.
Mean repair time MRT = 0 h (circuit boards are not intended to be repaired).
Mean time to restoration MTTR = 48 h (MRT plus time used to locate the failure).
Failure rates
Tested with:
• Control board build version:
3AXD100000451859 Rev.03.
• Power unit build version:
3AXD100000446920 Rev.03.
• Firmware build version: MicroFlex e190 Build 5850.1.34 and later.
Frame SIL /
SILCL
PL
SFF
[%]
PFH
D
[1/h]
PFD
G
[1/h]
MTTF
d
[a]
DC
[%]
SC Cat. HFT CCF Lifetime
[a]
UEI
3
e 98.32% 3.04E-09 2.33E-05 13943
≥
90
3
3
1
80
20
Channel
λ
sd
[FIT]
λ
su
[FIT]
λ
dd
[FIT]
λ
du
[FIT]
SFF
[%]
Total
209.2
225.0
0.7
7.4
98.3%
CHX
15.2
6.8
0.0
2.8
88.6%
CH1
191.0
217.8
0.7
4.6
98.9%
CH2
194.0
218.3
0.7
4.6
98.9%
Summary of Contents for MicroFlex e190
Page 1: ...ABB motion control User s manual MicroFlex e190 servo drive ...
Page 4: ......
Page 12: ...12 Table of contents ...
Page 26: ...26 Introduction to the manual ...
Page 90: ...90 Electrical installation input output ...
Page 146: ...146 Maintenance ...
Page 178: ...178 Resistor braking ...
Page 186: ...186 Accessories ...
Page 208: ...208 Appendix Safe Torque Off STO ...