ABB PP835A 3BSE042234R2

Description

Product Description

The ABB PP835A is a critical power supply module for the ABB AC 800M controller family and System 800xA, with the specific article number 3BSE042234R2. This module is designed to provide reliable, conditioned power to the AC 800M processor unit and any connected I/O modules or communication interfaces. The ABB PP835A converts incoming AC mains voltage into the stable DC voltages required for the controller’s digital and analog circuits. For comprehensive technical data sheets, installation manuals, and safety information, the essential resource is the official ABB Library portal for the ABB PP835A. As the primary power source for the control unit, the performance and integrity of the PP835A are fundamental to the availability of the entire automation loop. Its robust design ensures operation in industrial environments with fluctuating power quality, making it a key component for system reliability.

Product Parameters

• Manufacturer / Brand: ABB.
• Module Designation: PP835A (Power Supply for AC 800M).
• Article Number: 3BSE042234R2.
• Input Voltage: Typically accepts a wide-range AC input (e.g., 85-264 VAC, 47-63 Hz) for global application.
• Output Voltage: Provides the regulated DC output (e.g., 24V DC) required by the AC 800M base unit and its internal circuitry.
• Output Current/Power: Rated for a specific current (e.g., 2.5A) or power output (e.g., 60W) sufficient to power the CPU and a standard configuration of local I/O modules.
• Protections: Includes safeguards such as over-voltage protection, over-current protection, and short-circuit protection.
• Efficiency: High efficiency design to minimize heat dissipation within the control cabinet.
• Status Indicators: Features LED indicators for power on (input) and operational status (output).
• Cooling: Typically convection-cooled (fanless) for silent and maintenance-free operation.
• Mounting: Designed for direct mounting on a standard DIN rail within the control panel.
• Connections: Screw terminals for secure AC input and DC output wiring.

Advantages and Features

• Wide Input Voltage Range: Allows for direct connection to most industrial power networks worldwide without the need for an external transformer, simplifying installation.
• Compact and Integrated Design: The DIN-rail form factor and dedicated design for the AC 800M make for a neat, space-saving, and reliable power solution.
• High Reliability and Durability: Built with industrial-grade components to ensure long-term, stable operation in environments with electrical noise and temperature variations.
• Comprehensive Protections: Built-in electrical protections guard both the power supply itself and the sensitive controller from damage due to power anomalies.
• Easy Installation and Diagnostics: Simple wiring and clear status LEDs facilitate quick setup and allow for immediate visual confirmation of operational health.

Application Cases in Industry

• Process Control Cabinet: The ABB PP835A is the standard power source for an AC 800M controller managing a batch reactor or distillation column in a chemical plant.
• Water Treatment PLC Panel: Provides reliable power to an AC 800M controller overseeing filter backwash sequences and pump control in a municipal water facility.
• Manufacturing Cell Controller: Powers the AC 800M CPU that coordinates robots, conveyors, and vision systems in an automotive component assembly cell.
• HVAC Building Management: Supplies power to an AC 800M controller responsible for optimizing energy use across a large facility’s heating, ventilation, and air conditioning systems.
• Power Plant Auxiliary Systems: Ensures continuous power for controllers managing turbine lube oil systems, condenser controls, or other balance-of-plant processes.

Comparison with Competing Products

Competing products include power supplies for other mid-range PLCs, such as the Siemens SITOP PSU100M for SIMATIC S7-1500 or the Rockwell Automation 1606-XL for CompactLogix. The ABB PP835A differentiates itself through its specific design and validation for the AC 800M controller ecosystem. Compared to a generic 24V DC DIN-rail power supply, the PP835A is often specified and tested for optimal compatibility, ensuring stable operation under the specific load characteristics of the controller. While generic supplies may be cheaper, the PP835A offers assured performance and simplified engineering within ABB’s system architecture.

Selection Suggestions and Precautions

• Selection Suggestions:
  1. Select the ABB PP835A as the standard power supply for any AC 800M controller installation to ensure guaranteed compatibility and support.
  2. Calculate the total current/power consumption of the AC 800M CPU unit and all locally connected modules (e.g., in the same base unit). Ensure the PP835A‘s rated output exceeds this total with a margin (e.g., 20-30%).
  3. Verify that the available plant AC supply voltage falls within the module’s wide input range.
• Precautions:
  1. Input Protection: The AC input circuit must be protected by a properly sized fuse or circuit breaker as specified in the installation manual. Do not omit this critical safety device.
  2. Proper Grounding: Ensure both the AC protective earth (PE) and the DC output common/negative are correctly bonded to a solid, low-impedance earth ground point in the panel to ensure safety and noise immunity.
  3. Thermal Considerations: Although fanless, the module must be installed in a well-ventilated location on the DIN rail. Avoid mounting it immediately next to other significant heat sources. Observe the specified ambient temperature limits.
  4. Load Management: Do not use the PP835A to power devices outside its specified ratings or unrelated to the controller. Dedicated supplies should be used for field sensors and actuators to avoid noise and load issues.
  5. Sourcing and Verification: Source the module using the exact article number 3BSE042234R2 from authorized ABB distributors. Before energizing, double-check that all wiring connections are tight and correct according to the manual’s diagram. Always follow lock-out/tag-out procedures when working on power circuits.

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