Fig. 216 Unique Serial Number Of A Twinsafe Terminal - Beckhoff EL72 1-901 Series Manual

Legend:
CW: Calendar week of manufacture
YY: Year of manufacture
SW: Software version
HW: Hardware version
In addition the TwinSAFE terminals bear a unique serial number.
Fig. 216: Unique serial number of a TwinSAFE terminal
EL72x1-901x
Sample: Date Code 17 11 05 00
Calendar week: 17
Year: 2011
Software version: 05
Hardware version: 00
Version: 1.9
Integrated safety
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