6GK1900-0AB00 Siemens

C-plug, removable data storage medium for simple device replacement in case of fault, for recording configuration or project engineering and application data, can be used in the following SIMATIC NET products with C-plug slot: SCALANCE X-200, X-300, X-400, S-600, CP443-1 Advanced, CP343-1 Advanced, CP343-1 ERPC, IE/PB Link PNIO, IE/AS-i Link PNIO, DP/AS-i Link Advanced