The date of manufacture of a product can be confirmed by the following methods.

① Name plate verification
There is a name plate on the right side of the product with the name of the product.
You can check the S/N number in the name plate.

Example: S/N 2490001
In the example, the product was manufactured in September 2024.
24・・・ Last 2 digits of the year
9 ・・・ (1~9= January through September, X= October, Y= November, Z= December)
0001・・・ Control number

② Confirmation of the entire module
The date of manufacture of the CPU module can be confirmed by the number shown in the LOT at the lower right corner of the product.

Example: LOT23Z
In the example, the product was manufactured in December 2023.

③ Confirmation in GX Works3
It is possible to check from the serial number displayed in the Module diagnostics of GX Works3. The view is the same as ①.