GE RSTi-EP - Connection Diagrams; Specifications EP-1902

Chapter 7. Detailed Descriptions of EP-19xx Modules
GFK-2956A November 2017 27
5.4.2 Connection Diagrams
EP-1902
Block Diagram EP-1902
5.4.3 Specifications EP-1902
Technical Data
System data
Data
Process and diagnostic data depend on the network adapter used
(refer to the table in the section, Data Width of EP-19xx Modules)
Interface
RSTi-EP I/O communication bus
System bus transfer rate
48 Mbps
Safety-related data per EN ISO 13849 (Regard the entire safety chain)
Achievable safety level
PLe and Category 4
DC (Diagnostic Coverage)
99%
MTTFd (Mean Time To Failure dangerous)
> 100 years
Safety-related data per EN 62061 (Regard the entire safety chain)
Achievable safety level
SILCL3
PFH (Probability of Failure in 1/h)
6.27 x 10
-9
Fault reaction time
10 s
Safety-related data per EN 61508 (Regard the entire safety chain)
Achievable safety level
SIL3
PFH (Probability of Failure in 1/h)
6.27 x 10
-9
HFT (Hardware Fault Tolerance)
1
SSF (Safe Failure Fraction)
98.58%
Presumed lifecycle time
20 years
Prooftest interval
No prooftest needed within the lifecycle
Classification acc. To EN 61508-2:2010
Type B