Technical Appendix; Safety Characteristics - Festo CPX-F8DE-P Manual

A. Technical appendix

Safety characteristics

T
DAT
Device Acknowledge Time
(internal PROFIsafe processing time)
MTTF
d
Mean Time To dangerous Failure
(average time before a hazardous failure
occurs)
PFH
D
Probability of dangerous Failure per Hour
(probability of a dangerous failure
occurring within a given one-hour
period)
HFT
Hardware fault tolerance
(Hardware­Failure­Tolerance)
Classification
according to EN 61508-2:2010-05
ß
Beta factor for common cause failures
CCF (Common Cause Failure)
Max. duration of use
Safety protocol
Type test
è www.festo.com/sp
CE marking è Declaration of conformity
è www.festo.com/sp
Certificate issuing authority
Tab. A/1: Safety characteristics
A-4
All function modes
 20
[ms]
 2500
[years]
-9
1.0 x 10
1
Type B
[%] 2
[years] 20
Profile for Safety Technology on PROFIBUS DP
and PROFINET IO; Version 2.4, March 2007
The functional safety of the product has been
certified by an independent testing body, see EC
type test certificate.
according to EC Machinery Directive 2006/42/EC
according to EC EMC Directive 2004/108/EC
01/205/5444.00/15
Festo P.BE-CPX-F8DE-P-E N en 1610a English