BECKHOFF EP1908 - Manual (Page 39)

Operation
EP1908-0002 37
4.6 Maintenance
The TwinSAFE EtherCAT boxes are maintenance free!
WARNING
Observe the specified environmental conditions!
Please ensure that the TwinSAFE EtherCAT Boxes are only transported, stored and
operated under the specified conditions (see technical data)!
If the EtherCAT Box is operated outside the permitted temperature range it will switch to Global Fault
state. The state Global Fault can only be exited by switching the EtherCAT Box off and on again.
4.6.1 Cleaning
Protect the TwinSAFE EtherCAT Boxes from unacceptable soiling during operation and storage!
If the TwinSAFE EtherCAT Boxes were exposed to unacceptable soiling, they may no longer be
operated!
WARNING
Have soiled EtherCAT Boxes checked!
Cleaning of the TwinSAFE EtherCAT Boxes by the user is not allowed!
Please send soiled EtherCAT Boxes to the manufacturer for inspection and cleaning!
4.6.2 Service life
The TwinSAFE EtherCAT Boxes have a service life of 20 years.
Due to the high diagnostic coverage within the lifecycle no special proof tests are required.
The TwinSAFE EtherCAT Boxes have a date code (D:), which is structured as follows:
Date code: CW YY SW HW
Legend:
CW: Calendar week of manufacture
YY: Year of manufacture
SW: Software version
HW: Hardware version
Example: Date code 45 12 01 00
Calendar week: 45
Year: 2012
Software version: 01
Hardware version: 00
In addition, the TwinSAFE EtherCAT Boxes have a unique serial number (S.No.:).