1. Basic Information

ABB PPD113B03-26-100100 (Order No.: 3BHE023584R2625) is a high-precision regulated power supply module dedicated to ABB Symphony Plus series industrial control systems, serving as the core power supply unit for industrial DCS distributed control systems. Designed for stable power supply scenarios of process industrial automation control cabinets, it adopts an isolated switching power supply architecture, featuring high voltage regulation accuracy, low output ripple, strong anti-interference capability and wide load adaptability. It provides pure and stable DC working power for system controllers, communication modules, I/O boards and on-site detection terminals, thoroughly solving industrial common problems such as industrial equipment crash, signal drift, module damage and system shutdown caused by grid voltage fluctuation, clutter interference and instantaneous voltage drop.

2. Technical Specifications

2.1 Input & Output Electrical Specifications

• Input Voltage: Adapts to standard industrial AC power supply with wide input voltage range, tolerating conventional on-site voltage fluctuation, instantaneous voltage drop and surge interference to adapt to complex grid power supply conditions.
• Output Voltage: Standard stable DC output with extremely high voltage regulation accuracy. The voltage deviation is extremely low under full-load conditions, ensuring constant working voltage of industrial control boards and precision modules and avoiding system faults caused by voltage drift.
• Load Capacity: Rated full-load output with strong load adaptability. It can stably drive multiple groups of I/O modules, communication modules and control units to work synchronously without overload voltage drop or unstable output.
• Power Quality: Built-in multi-stage filtering and isolation circuits deliver extremely low output voltage ripple and noise, fully meeting the pure power supply requirements of high-precision industrial control equipment and precision signal acquisition units, and preventing clutter interference with signal collection and data operation.
• Conversion Efficiency: High-efficiency switching power supply architecture features low power consumption and low heat generation, with no abnormal temperature rise during long-term full-load operation, adapting to dense installation and closed heat dissipation conditions of control cabinets.

2.2 Protection & Safety Specifications

• Comprehensive Protection Mechanism: Integrated multiple protection functions including overvoltage, undervoltage, overcurrent, short circuit, overheating and overload protection, real-time monitoring input/output working conditions and module temperature.
• Fault Response Mechanism: Automatically cuts off output, locks fault status and triggers local alarm rapidly when abnormal conditions are detected, effectively protecting all rear-end industrial control equipment and preventing fault escalation, equipment burnout and system shutdown.
• Auto-recovery Function: Supports automatic reset and power supply recovery after minor faults are eliminated without manual restart, maximizing power supply continuity and reducing production shutdown risks.
• Electrical Isolation Design: Complete input and output electrical isolation with independent strong and weak current partitions, effectively isolating grid-side interference and load-side reverse impact, improving power supply system safety and anti-interference capability.

2.3 Physical & Structural Specifications

• Installation Mode: Standard slot mounting for ABB Symphony Plus system cabinets with precise positioning and firm clamping. Excellent vibration resistance prevents loosening and poor contact, suitable for new equipment integration and legacy system renovation.
• Structural Design: Compact integrated modular structure highly integrates rectification, filtering, voltage regulation, protection and monitoring circuits. High integration saves cabinet space and adapts to dense cabinet layout scenarios.
• Material & Protection: Industrial flame-retardant shell with triple-proof coated circuit board provides dustproof, moisture-proof, oil-resistant, anti-corrosion and anti-aging performance. It complies with industrial EMC electromagnetic compatibility standards to resist on-site strong electromagnetic interference.
• Status Indication: Integrated LED indicators intuitively display power-on status, normal operation status and fault alarm status, facilitating rapid working condition identification and fault troubleshooting.
• Interface Features: Standard strong and weak current interfaces enable convenient plugging and reliable anti-loose connection, avoiding power supply interruption caused by vibration-induced poor contact and ensuring long-term operational stability.

2.4 Environmental & Reliability Specifications

• Temperature Range: Operating temperature: -25℃~+70℃; Storage temperature: -40℃~+85℃, adapting to extreme temperature differences and seasonal fluctuations in industrial sites.
• Humidity Range: 5%~95% non-condensing, operating stably in high-humidity, high-dust and oily environments without short circuit or performance attenuation.
• Operational Reliability: Industrial durable hardware design supports 24-hour uninterrupted full-load continuous operation with no parameter drift or power attenuation and extremely low failure rate.
• System Compatibility: Fully compatible with all ABB Symphony Plus DCS systems, seamlessly matching system controllers, communication modules and various I/O modules for new and legacy system supporting and upgrading projects.
• Operation & Maintenance: Supports hot-swap replacement and maintenance without full system shutdown, greatly reducing equipment downtime and improving production continuity.

3. Working Principle

1. Input Filtering & Rectification: After industrial AC mains access, multi-stage high-frequency filter circuits eliminate grid clutter, harmonics and surge interference, and rectifier circuits convert AC power to raw DC power to eliminate hidden dangers caused by grid fluctuation.
2. Voltage Regulation & Isolation: The raw DC power undergoes precise voltage regulation, correction and electrical isolation through high-frequency switching voltage regulation circuits. Dynamic voltage adjustment algorithms offset the impact of input voltage fluctuation and load variation to output constant and pure standard DC voltage.
3. Load Driving & Power Output: The stabilized DC power is evenly distributed through the output circuit to provide continuous and stable working power for rear-end DCS controllers, communication units and I/O boards, ensuring consistent supply voltage and stable working condition of each module.
4. Real-time Monitoring & Dynamic Compensation: The built-in monitoring chip collects core parameters such as input voltage, output voltage, output current and module temperature in real time, and automatically fine-tunes voltage regulation parameters according to dynamic load changes to maintain constant voltage output under full working conditions.
5. Intelligent Fault Protection & Alarm: It monitors abnormal states such as overload, short circuit, overheating, undervoltage and overvoltage in real time during operation. Once the fault threshold is triggered, it immediately cuts off power output, locks fault codes and lights fault indicators, preventing fault transmission to rear-end equipment and protecting the entire industrial control system.
6. Fault Reset & Operation Recovery: After the fault is eliminated, the module can be reset automatically or manually to restore normal power output and system operation, minimizing the impact of faults on production conditions.

4. Application Scenarios

4.1 Thermal & Hydropower Industrial Control Systems

4.2 Chemical & Petrochemical Process DCS Systems

4.3 Heavy Industry Automation Systems (Metallurgy & Papermaking)

4.4 General Industrial Automatic Control Cabinet Supporting

4.5 Upgrading & Renovation of Legacy ABB DCS Systems