Beckhoff EL2904 User Manual

Lifetime
EL290446 Version: 3.2.2
6 Lifetime
TwinSAFE components have a lifetime of 20 years, during which the target failure measures are guaranteed.
For more information, see the chapter Target failure measures.
The lifetime starts from the date of manufacture according to the Date Code.
WARNING
Replace TwinSAFE component after 20 years
After a lifetime of 20years, the target failure measures are no longer guaranteed.
Use beyond the lifetime may result in loss of safety.
Due to the high diagnostic coverage within the lifetime no special proof tests are required.
The TwinSAFE components bear a DateCode, which is composed as follows:
DateCode: CWYYSWHW
Legend:
CW: calendar week of manufacture
JJ: year of manufacture
SW: software version
HW: hardware version
Example: DateCode 17110500
Calendar week: 17
Year: 2011
Software version: 05
Hardware version: 00
In addition the TwinSAFE components bear a unique serial number.
00000000
17110500

Beckhoff EL2904 Specifications

General

Brand	Beckhoff
Model	EL2904
Category	Touch terminals
Language	English