0-56921-512AAG | Reliance Electric GV3000/SE Regulator PCB

Description 

The 0-56921-512AAG, manufactured by Reliance Electric, functions as a Regulator Board, potentially distributed under the Baldor Electric and/or ABB labels. Specifically designed for the GV3000 series, this Regulator PCB interfaces with an AC Controller, with each controller accommodating two regulator boards. Serving as a replacement card, the 0-56921-512AAG shares similarities with its counterpart, necessitating distinct power module interface connections. Featuring version 5.0, this card lacks a dedicated faceplate or enclosure, instead mounting directly into the drive controller, facilitated by placement beneath the keypad membrane switch and attachment to a connecting bracket. 

Equipped with multiple microprocessors, the 0-56921-512AAG regulates the controller's operations, with parameter input facilitated through the keypad to adjust drive functions. Capable of interpreting various power circuit feedback signals, including internal circuitry heat sensors and external speed reference signals, it can also interface with motor pulse tachometers when configured to regulate the vector. Moreover, the regulator can receive PWM gating signals from IGBT-powered devices. 

Technical Specifications 

Information About 0-56921-512AAG

The 0-56921-512AAG, manufactured by Reliance Electric, serves as a Regulator Board primarily designed for use with the GV3000 series of AC Controllers. While it was originally produced by Reliance Electric, there is a possibility that it may have been marketed under the Baldor Electric and/or ABB manufacturing labels as well. Each controller typically incorporates two regulator boards, and the 0-56921-512AAG is designated as a replacement card for this purpose. Despite being a replacement, both regulator boards share significant similarities, albeit requiring different power module interface connections. 

This particular board is identified as a version 5.0 variant. Notably, it does not include its own faceplate or enclosure. Instead, it is designed to be directly mounted into the drive controller, typically sliding into place beneath the keypad membrane switch. The connection between the board and the keypad is facilitated by a bracket attached to the keypad. 

Functionally, the 0-56921-512AAG is equipped with multiple microprocessors dedicated to regulating the controller's operations. Parameter inputs for the regulator are facilitated through the controller's keypad, allowing for adjustments to drive operations. Additionally, the card is capable of interpreting various power circuit feedback signals. It can detect heat sensor feedback from both internal circuitry and external speed reference signals. Moreover, when configured to regulate the vector, it can extract information from a motor pulse tachometer. Furthermore, the regulator possesses the capability to receive PWM gating signals, which are compatible with IGBT powered devices. 

Manufacturer information

Reliance Electric, a pioneering electrical equipment manufacturer, was founded in 1904. Acquired by Rockwell Automation, it specialized in motors, drives, and industrial automation solutions. Known for innovation, Reliance played a key role in advancing industrial technology.

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