
2.4.1. STO Standards
describes and specifies the safety requirements at the system level for the Safe Torque
Off (STO) feature of the drive. This assumes that diagnostic testing is performed according to
and
.
Table 2-26:
STO Standards
Standard
Maximum Achievable Safety
EN/IEC 61800-5- 2:2016
SIL 3
EN/IEC 61508-1:2010
SIL 3
EN/IEC 61508-2:2010
SIL 3
EN ISO 13849-1:2015
Category 4, PL e
EN/IEC 62061:2005 with Amendments
SIL 3
Table 2-27:
STO Standards Data
Standard
Value
EN ISO 13849-1:2015
MTTF
D
> 1000 years,
DC
AVG
99%
Maximum PL e, Category 4
EN ISO 13849-1:2015
EN/IEC 61508
Lifetime = 20 years
No proof test required
Interval for manual STO test:
l
Once per year for SIL2/PL d/category 3
l
Once per three months for SIL3/PL e/category 3
l
Once per day for SIL3/PL e/category 4
EN/IEC 61508
SIL3
PFH < 3 FIT
SFF > 99%
iXL2e/XL2e Hardware Manual
2.4.1. STO Standards
www.aerotech.com
51
Содержание Automation1 iXL2e
Страница 1: ...Revision 1 04 Automation1 iXL2e and XL2e High Performance Linear Digital Drives HARDWARE MANUAL...
Страница 16: ...This page intentionally left blank iXL2e XL2e Hardware Manual 16 www aerotech com...
Страница 18: ...Figure 1 2 XL2e High Performance Linear Digital Drive iXL2e XL2e Hardware Manual 18 www aerotech com...
Страница 68: ...Figure 3 8 Sine Wave Encoder Schematic Aux Connector iXL2e XL2e Hardware Manual 68 www aerotech com...
Страница 73: ...Figure 3 11 Digital Outputs Schematic EB1 Hardware Manual iXL2e XL2e www aerotech com 73...
Страница 76: ...Figure 3 14 Digital Inputs Schematic EB1 iXL2e XL2e Hardware Manual 76 www aerotech com...
Страница 86: ...This page intentionally left blank iXL2e XL2e Hardware Manual 86 www aerotech com...
Страница 90: ...This page intentionally left blank iXL2e XL2e Hardware Manual 90 www aerotech com...