P8431: Product OverviewThe P8431 is a power supply module designed for ABB’s Advant Controller AC 410F within the Advant OCS (Open Control System) platform. This module functions as the primary power conversion unit for the controller system, transforming incoming AC line voltage into the stable, regulated DC voltages required by the processor modules, communication interfaces, and associated electronics. Installed in the power supply slot of an AC 410F controller chassis, it ensures reliable power delivery to support continuous operation of critical control functions in process automation applications.The module is engineered for industrial environments, featuring robust filtering and protection circuits to ensure clean power output despite electrical noise and voltage fluctuations common in plant settings. It provides multiple output voltages, including +5V DC for logic circuits and +24V DC for field I/O and interface power. The design incorporates overvoltage, overcurrent, and thermal protection to safeguard both the power supply itself and the sensitive controller components it powers. The module supports redundant configuration when used with a companion unit, providing fault-tolerant power for high-availability applications.
ABB P8431
P8431: Technical Specifications
•• Model Number: P8431
•• Manufacturer: ABB
•• Product Type: Power Supply Module
•• Input Voltage: 120/230V AC (switch selectable), 50/60 Hz
•• Output Voltages:
•• +5V DC (logic power for processor and communication modules)
•• +24V DC (field I/O power and interface power)
•• Output Power: 150 Watts
•• Efficiency: >80%
•• Redundancy: Supports N+1 redundancy with redundancy module
•• Protection: Overvoltage, overcurrent, and thermal protection
•• Cooling: Convection cooling
•• Operating Temperature: 0°C to 60°C
•• Safety Standards: UL 508, CSA 22.2, IEC 61131-2
•• MTBF: >100,000 hours
ABB P8431
Core Features & Customer ValueThe module’s wide input voltage range (120/230V AC) provides flexibility for global applications, allowing the same unit to be used in different geographical locations without hardware modifications. The robust design ensures stable operation despite voltage sags, surges, and electrical noise commonly encountered in industrial environments. For control engineers, this translates to reduced risk of controller resets or communication errors caused by power quality issues, thereby enhancing overall system reliability.The support for redundant configuration is particularly valuable in critical process applications where power supply failure could lead to production disruptions or safety concerns. In redundant setups, if one power supply fails, the secondary unit automatically assumes the full load without interruption to the control process. The module’s comprehensive protection features prevent damage from overload conditions, while the high MTBF (Mean Time Between Failures) ensures long-term reliability with minimal maintenance requirements.Typical ApplicationsIn continuous process industries such as chemical processing or refining, the P8431 provides reliable power to AC 410F controllers managing critical unit operations. The redundant configuration capability ensures continuous operation even during power supply maintenance or failure, maintaining production continuity and safety.In power generation facilities, the module powers controllers responsible for turbine control, boiler management, and balance-of-plant systems. The robust design handles the electrical noise typically present in switchgear and motor control centers, ensuring stable controller operation.
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Full 12-month warranty on all components
Full 12-month warranty on all components
