Beckhoff EL72 1-901 Series - Fig. 216 Unique Serial Number of a Twinsafe Terminal

Integrated safety
EL72x1-901x 187Version: 1.9
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 terminals bear a unique serial number.
Fig.216: Unique serial number of a TwinSAFE terminal