Product Overview

The Allen-Bradley 80190-378-51 is a specialized Inverter Control PC Board engineered for the legacy PLC-5 automation platform. This high-density printed circuit board serves as a primary control interface for power inversion and motor drive regulation within large-scale industrial architectures. As a critical component of Rockwell Automation’s power electronics lineup, the 80190-378-51 manages complex signal processing and gate-firing sequences required for variable speed control and high-torque applications. Its design is optimized for deterministic performance, ensuring that digital instructions from the PLC-5 processor are translated into precise electrical outputs for heavy-duty machinery.

Technical Characteristics

The 80190-378-51 is defined by its industrial-grade resilience and specialized signal management:

Precision Inverter Regulation This board facilitates high-speed modulation and monitoring of inverter power stages. It is designed to handle the rapid data throughput necessary for real-time adjustments to motor frequency and voltage, providing smooth acceleration curves and consistent torque even under varying load conditions.

Robust Environmental Hardening Engineered for the plant floor, the PCB features high-quality laminates and protective coatings that resist thermal stress, mechanical vibration, and electromagnetic interference (EMI). This ruggedized construction is essential for maintaining signal integrity in high-voltage environments such as motor control centers (MCC).

Advanced Diagnostic Feedback Integrated into the board's circuitry are diagnostic points that allow the system to monitor internal health and signal consistency. By identifying anomalies in the control loop early, the 80190-378-51 helps prevent catastrophic drive failures and facilitates predictive maintenance routines.

Seamless System Integration Designed specifically for the PLC-5 ecosystem, this control board features standardized connectors and a form factor that allows for straightforward installation or replacement within existing inverter chassis. It ensures full electrical compatibility with the backplane communication services of the 1771 I/O family.

Technical Specifications

• Brand: Allen-Bradley / Rockwell Automation

• Model Number: 80190-378-51

• Product Type: Inverter Control PC Board

• System Compatibility: PLC-5 / 1771 System

• Function: Drive Modulation and Inverter Logic Control

• Operating Temperature: Industrial Grade (Standard PLC-5 range)

• Humidity: 5% to 95% (non-condensing)

• Weight: 0.46 kg

• Dimensions: 27.8 x 21.4 x 2.8 cm

• Origin: USA

Application Areas

The 80190-378-51 is a vital asset for facilities maintaining critical power control infrastructure:

• Energy and Utilities: Controlling high-capacity fans and pumps in power generation plants.

• Oil and Gas: Managing high-torque motor drives for refinery and extraction equipment.

• Heavy Manufacturing: Driving synchronized conveyor systems and metal processing machinery.

• Legacy Support: Providing essential hardware for the maintenance of established PLC-5 control systems.