Beckhoff TwinSAFE EJ Series - Flash Code Display; Maintenance; Service Life

General operation / function
EJ19xx and EJ29xx22 Version: 1.2.0
5.9.2 Flash code display
LED Display Description
flashing 400ms ON / 400ms OFF
1 second pause between the flash codes
flickering 50ms ON / 50ms OFF
5.10 Maintenance
Maintenance
The TwinSAFE components are maintenance-free!
Environmental conditions
WARNING
Observe the specified environmental conditions!
Please ensure that the TwinSAFE components are only stored and operated under the
specified conditions (see technical data).
If the TwinSAFE component is operated outside the permitted temperature range it will switch to Global
Shutdown state.
Cleaning
Protect the TwinSAFE component from unacceptable soling during operation and storage!
If the TwinSAFE component was subjected to unacceptable soiling it may no longer be operated!
WARNING
Have soiled terminals checked!
Cleaning of the TwinSAFE component by the user is not permitted!
Please send soiled terminals to the manufacturer for inspection and cleaning!
5.11 Service life
The TwinSAFE EJ modules are designed for a service life of 20 years.
Due to the high diagnostic coverage within the lifecycle no special proof tests are required.
The TwinSAFE EJ modules bear a date code, which is composed as follows:
Datecode: CWYYSWHW
Legend:
CW: Calendar week of manufacture
YY: Year of manufacture
SW: Software version
HW: Hardware version
Sample: DateCode 17110500
Calendar week: 17
Year: 2011
Software version: 05
Hardware version: 00
In addition the TwinSAFE EJ modules bear a unique serial number.