C-PLUG, removable data storage medium for simple device replacement in case of fault, for recording configuration or configuration 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, CP443-1Advanced, CP343-1Advanced, CP343-1 ERPC, IE/PB-Link PNIO, IE/AS-i Link PNIO, DP/AS-i Link Advanced