Reliance Electric O-57406-D Drive Controller Module

Reliance Electric O-57406-D Drive Controller Module is the central controller in Reliance Electric’s AutoMax Distributed Control System (DCS) drive regulators. Designed for use within an AutoMax PLC-based drive system, it coordinates drive operation as part of the drive regulator group, working in concert with a drive analog I/O module, a drive digital I/O module, and a power interface module. In the market, this part is cataloged as 0-57406-D or O-57406-D and is commonly found in used or refurbished condition through aftermarket suppliers serving legacy automation equipment. The O-57406-D belongs to the AutoMax PLC family, and represents the core control function that interfaces with peripheral I/O modules to centralize control logic for the drive system. Replacement or retrofit typically requires pairing this module with the appropriate regulator hardware and compatible documentation from Reliance Electric’s AutoMax/DCS lineage. Buyers should confirm that their existing AutoMax drive regulator group is designed to accept the O-57406-D/0-57406-D module and that any accompanying I/O and power-interface modules match the regulator configuration.