BECKHOFF EP1908 - Manual (Page 12)

Product description
10 EP1908-0002
3.4 Safety parameters
Key figures EP1908-0002
Lifetime [a] 20
Prooftest Intervall [a] not required 1)
PFH 1.56E-09
%SIL3 1.56%
PFD 1.06E-04
%SIL3 10.59%
MTTFd [a] >100
Performance level PL e
Category 4
HFT 1
Element classification* Type A
*) Classification according to EN 61508-2:2010 (see chapters 7.4.4.1.2 and 7.4.4.1.3)
The EP1908-0002 EtherCAT Box can be used for safety-related applications according to IEC 61508 up
to SIL3 and EN ISO 13849-1 up to PL e (Cat4).
1) Special proof tests throughout the service life of the EtherCAT Box are not required.
3.5 Dimensions
The EP1908 module has the following dimensions.
Width: 30 mm
Height: 126 mm
Depth: 26.5 mm
When fully wired, the connected cables increase the total depth of the module.