Beckhoff EL1904 User Manual

Product description
EL190424 Version: 3.0.0
The EL1904 EtherCAT Terminal can be used for safety-related applications within the meaning of
IEC61508:2010 up to SIL3 and ENISO13849-1:2015 up to PL e (Cat4).
For the calculation or estimation of the MTTF
d
value from the PFH
D
value, further information can be found in
the TwinSAFE Application Guide or in ISO 13849-1:2015 Table K.1.
4.5 Characteristic curve of the inputs
The characteristic curve of the inputs is similar to type 3 according to EN 61131-2.
Fig.5: Characteristic curve of the inputs

Beckhoff EL1904 Specifications

General

Brand	Beckhoff
Model	EL1904
Category	Touch terminals
Language	English