DVP-15MC Series Motion Controller Operation Manual Before use of SD card Write-protection function of the memory card There is a write-protection switch for general SD cards. The data can not be written into SD card if the switch is moved to the Lock position. Hence, please ensure that the write-protection switch of SD card has been released correctly before SD card is used and then the write-into function can be executed in motion controllers. Released Write- protected 4 4-8