JUMO 705060 mTRON T - Multifunction Panel 840 Operating Manual - Manual (Page 16)

1 Introduction
16
Fabrication no. (F-Nr)
Among other things, the fabrication number contains the date of production (year/week).
Example: F-Nr = 0070033801211010006
The figures concerned are in positions 12, 13, 14, and 15 (from the left).
The device was therefore produced in the 1st calendar week of 2011.