Products Peripheral equipment support tools Lineup of various free tools that further simplify development of the MELSEC Series. GX LogViewer This dedicated viewer displays logging files collected with the Q Series high-speed data logger module or L Series logging function. High Speed Data Logger Module Configuration Tool Dedicated configuration tool for Q Series high-speed data logger module. LCPU Logging Configuration Tool Dedicated configuration tool for L Series logging function. MELSOFT Library Provides parts (FB library, sample ladder) which allow easy use of various devices connected to PLC related units. A/QnA→Q Conversion Support Tool Software to support conversion of A/QnA Series programs for Q Series. Page Top