An example of overall system configuration using MELSEC-L series I/O modules is LX40C6 PDF shown below
LX40C6
LX40C6 LX40C6 Manual Mitsubishi I/O Module Manual LX40C6 PDF PDF.
LX41C4 PDF User's Manual Mitsubishi LX41C4 Manual.
I/O Module Mitsubishi LX40C6 Manual LX42C4 LX440C6 LX40C6 Manual PDF Manual PDF.
LX40C6 Mitsubishi I/O Module Manual PDF.
LX42C4 PDF Usser's LX40C6 PDF Manual Mitsubishi LX40C6 User's Manual LX42C4 Manual.