How do you determine the manufacturing date for the VW3A1101 HMI keypad?
Keypad date code
On the back of the keypad it will list the serial number, just above the bar code. It may start with 6W, 8B or AN for the plant code. The next four digits are the year and month. For example - 6W1045103785 was built 2010, 45th week.