GE AF-650 GP - Electrical Wiring - Control Cables

Correlation of SIL and PFD
SIL IEC 61508 ANSI S84.01 PFD Availability Required 1/PFD
4 YES NO
10
-5
to 10
-4
> 99.99% 100,000 to 10,000
3YES YES
10
-4
to 10
-3
99.90 to 99.99% 10,000 to 1,000
2 YES YES
10
-3
to 10
-2
99.90 to 99.99% 1,000 to 100
1YES YES
10
-2
to 10
-1
99.90 to 99.99% 100 to 10
1.1 Safe stop
Certified to SIL2 by TÜV
PFH 7e-10 FIT = 7e-19/h
1.1.6 Electrical wiring - control cables
Illustration 1.1: Diagram showing all electrical terminals without options.
AF-650 GP Programming Guide
10
1