O-56921-606
The O-56921-606 (also referenced as 0-56921-606) is a high-performance regulator board manufactured by Reliance Electric for the GV3000/SE series of variable frequency drives, designed to deliver precise motor control and system regulation in industrial automation applications. As a core control component, it integrates advanced circuitry and firmware to support both vector and V/Hz control modes, ensuring reliable and efficient operation of AC motor drives.
Description
O-56921-606
The O-56921-606 (also referenced as 0-56921-606) is a high-performance regulator board manufactured by Reliance Electric for the GV3000/SE series of variable frequency drives, designed to deliver precise motor control and system regulation in industrial automation applications. As a core control component, it integrates advanced circuitry and firmware to support both vector and V/Hz control modes, ensuring reliable and efficient operation of AC motor drives.
Engineered for compatibility with Reliance Electric’s GV3000/SE drive platform, the O-56921-606 serves as the central regulation unit, managing critical drive functions including speed control, torque regulation, and fault diagnostics. It features firmware version 6.0, delivering enhanced functionality and improved longevity compared to older regulator board revisions, with detailed technical documentation available in the D2-3359 software manual and D2-3360 hardware manual.
The board is equipped with a 26-pin green-striped ribbon cable interface for seamless connection to user peripherals, paired with a 7-segment LED keypad user display for intuitive configuration, real-time monitoring, and troubleshooting of drive parameters. This interface simplifies setup and maintenance, allowing operators to adjust settings and view operational data without additional tools.
Constructed with industrial-grade components, the O-56921-606 is built to withstand harsh factory environments, with robust circuitry that resists electrical noise, vibration, and temperature fluctuations. It is a direct replacement for legacy GV3000 regulator boards, supporting easy retrofitting and system upgrades to extend the service life of existing drive systems.
Typical applications include industrial motor control, conveyor systems, CNC machinery, process control equipment, and manufacturing automation lines. As a key part of the Reliance Electric GV3000/SE drive ecosystem, the O-56921-606 delivers OEM-grade reliability, precise control, and seamless integration, making it a trusted choice for maintaining and upgrading industrial drive systems.
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