ABB APBU-44C Branching Unit & Data Logger(XIONGBA)

ABB APBU-44C Branching Unit & Data Logger(XIONGBA)

Brand Model: ABB APBU-44C
Product Name: PPCS Branching Unit & Data Logger
Warranty: 1 year
Size: 280 mm × 70 mm × 100 mm (11.02″ × 2.76″ × 3.94″)
Weight: 0.9 kg (1.98 lbs)
Origin: Finland
Inventory: Available (Made-to-Order)
Delivery Time: 4–6 weeks after order confirmation

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Description

Product Overview

The ABB APBU-44C is a high-performance branching unit designed for industrial automation systems, specifically engineered for ABB’s ACS800 multi-drive platform. As part of the PPCS (Power, Protection, Control, and Surveillance) system, this module enables the parallel connection of up to four ACS800 inverter or supply modules, ensuring efficient power distribution and real-time data monitoring 68. Its compact form factor (280 mm × 70 mm × 100 mm) and lightweight design (0.9 kg) make it ideal for space-constrained control cabinets, while the rugged IP20-rated enclosure ensures reliable operation in harsh industrial environments 611.


Integrated into the ACS800 system, the APBU-44C enables seamless communication via fiber optic links (DSQC652) and supports Modbus RTU, Ethernet, and DeviceNet protocols for flexible integration with PLCs, HMIs, and other I/O modules 514. It features a built-in data logger for real-time monitoring of power stage parameters (e.g., current, voltage, temperature), facilitating proactive fault detection and minimizing downtime 8. The module’s hot-swap functionality further enhances maintainability, enabling replacement without system shutdown 6.

Technical Specifications

Parameter Name Parameter Value
Product Model ABB APBU-44C
Manufacturer ABB
Product Type Branching Unit & Data Logger
Input Voltage 24 V DC (19.2–28.8 V DC)
Power Consumption ≤15 W
Output Current Capacity Up to 5 A per branch
Communication Protocol Fiber optic (DSQC652), Modbus RTU, Ethernet, DeviceNet
Data Logger Records voltage, current, temperature, and power
Operating Temperature -25°C to +60°C
Storage Temperature -40°C to +85°C
Physical Dimensions 280 mm × 70 mm × 100 mm (11.02″ × 2.76″ × 3.94″)
Weight 0.9 kg (1.98 lbs)
Enclosure Rating IP20
Certifications CE, UL 61010-1

Key Features and Advantages

Multi-Module Parallel Control: The APBU-44C allows up to four ACS800 modules to operate in parallel, increasing system capacity and redundancy for applications requiring high power output (e.g., conveyor systems, pumps) 613.


Real-Time Data Monitoring: The built-in data logger captures critical power stage data, enabling predictive maintenance and rapid fault diagnosis. Data can be accessed remotely via Ethernet or Modbus RTU for centralized system management 814.


Flexible Communication Options: Supports multiple communication protocols, ensuring compatibility with diverse industrial networks. Fiber optic links provide noise-free, high-speed data transfer over long distances 514.


Rugged Industrial Design: Constructed with reinforced isolation between channels, the module withstands electrical noise and voltage spikes. Its wide temperature range (-25°C to +60°C) suits outdoor or high-temperature environments 614.


Hot-Swap Capability: The APBU-44C supports hot-swapping, allowing replacement without powering down the system. This reduces downtime and enables maintenance during ongoing operations, crucial for continuous process industries 6.


Easy Integration: Designed for seamless integration with ABB’s ACS800 drives and Automation Builder software, the module simplifies system configuration and reduces engineering effort 2324.

Application Areas

The ABB APBU-44C excels in industries requiring high-power multi-drive control:


  1. Oil & Gas: Used in compressor control systems and pump modulation to optimize flow rates and pressure in offshore platforms and refineries. Its high-current capacity supports heavy-duty applications 113.
  2. Power Generation: Integral to turbine governor control and boiler feedwater regulation, ensuring stable power output. The module’s data logging aids in performance optimization 18.
  3. Water Treatment: Controls multiple pumps and chemical dosing systems in parallel, maintaining optimal filtration and disinfection processes. Its corrosion-resistant design suits wet environments 114.
  4. Manufacturing: Deployed in conveyor systems and robotic arms to control motor torque and position, enhancing material handling efficiency in automotive and food processing facilities 113.
  5. HVAC Systems: Manages parallel chillers and fans for energy-efficient climate control in large commercial buildings 1422.

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Installation and Maintenance

Installation Preparation:
Ensure the ACS800 rack is properly grounded and powered off. Mount the ABB APBU-44C in an available slot, securing it with retaining clips. Connect the 24 V DC power supply to the terminal block, verifying correct polarity. For communication, link the module to the CPU via fiber optic cables or Modbus RTU. Wire field devices to the output terminals, following the signal type specified in the configuration. Use 0.05–2.5 mm² solid or stranded wires with a recommended torque of 0.5–0.6 N·m 611.


Maintenance Recommendations:


  • Routine Checks: Inspect LED indicators monthly to verify normal operation (green for power, yellow for faults). Clean dust from the module’s vents to prevent overheating 614.
  • Calibration: Perform annual calibration using a certified signal source to maintain output accuracy. Use ABB’s diagnostic tools to verify channel performance 68.
  • Firmware Updates: Periodically update the module’s firmware via the CPU or IP Configuration Tool to incorporate new features and security patches, ensuring compatibility with evolving system requirements 623.
  • Spare Parts Management: Keep a spare APBU-44C on hand for rapid replacement in case of component failure, minimizing production downtime 1120.

Product Assurance

ABB guarantees the APBU-44C against defects in materials and workmanship for one year from the date of purchase. The company provides global technical support, including 24/7 assistance for troubleshooting, configuration guidance, and system integration. ABB’s extensive network of service centers ensures prompt maintenance and repair, while online resources (e.g., documentation, software updates) support ongoing system optimization. With a focus on reliability and performance, the ABB APBU-44C is backed by decades of industrial automation expertise, delivering consistent value and peace of mind for critical applications.
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