Siemens SINAMICS S120 Equipment Manual page 192

Maintenance and servicing
9.5 Reforming the DC link capacitors
Date of manufacture
The date of manufacture can be determined as follows:
Table 9-2
Character
9-48
Year and month of manufacture
Year of manufacture
T 2005
U 2006
V 2007
W 2008
Character
1 to 9
O
N
D
SINAMICS S120 Equipment Manual, Edition 04/2007, 6SL3097-2AM00-0BP2
Month of manufacture
January to September
October
November
December
Chassis Power Units Liquid Cooled