Data Related To Safety Standards; Safety Data; Failure Rates - ABB MicroFlex e190 User Manual

206 Appendix: Safe Torque Off (STO)

Data related to safety standards



Safety data

Frame SIL / PL
SILCL
UEI 3 e 98.32% 3.04E-09 2.33E-05 13943 ≥90
Proof test interval (PTI) T
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

Channel
Total
CHX
CH1
CH2
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.
SFF PFH PFD
D
[%]
[1/h] [1/h]
= 2 years.
1
λ λ
sd su
[FIT] [FIT]
209.2 225.0
15.2 6.8
191.0 217.8
194.0 218.3
MTTF DC SC Cat. HFT CCF Lifetime
G d
[%]
[a]
3
λ
dd
[FIT]
0.7
0.0
0.7
0.7
[a]
3 1 80 20
λ SFF
du
[%]
[FIT]
7.4 98.3%
2.8 88.6%
4.6 98.9%
4.6 98.9%