Training case SINUMERIK OP Touch The training case SINUMERIK OP Touch for training and marketing contains a ready-to-connect operating unit consisting of ITC2200. IPC427E with current SINUMERIK Operate SW and MCP 398C with EM131 and is suitable for operation of the training case SINUMERIK 840D sl (MLFB 6ZB2410-0BG01) and SINUMERIK ONE