Determining the manufacturing date for the ATV61/ATV71.
Altivar ATV61 and ATV71
Get the serial number from the bar code sticker mounted on the drive housing or in the (Drive menu) Identification menu 1.11. The manufacturing date can be obtained from the serial number in terms of manufacture's year and week of the year the drive was built.
Example: serial number reads 8B1309
0000 manufacture's date reads
8B= manufacturing location
13 = year