ABB PM891K01 3BSE053241R1

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ABB PM891K01 3BSE053241R1

ABB PM891K01 3BSE053241R1 Redundant Processor Unit

 

Product Description

 

The ABB PM891K01 3BSE053241R1 is a high-performance Redundant Processor Unit specifically designed by ABB for its System 800xA distributed control system (DCS). This module serves as the central processing unit (CPU) for the AC 800M controller series, which is a core component within the 800xA architecture. Its primary function is to execute control logic, manage communication with I/O modules, and interface with the broader 800xA system for configuration, monitoring, and operator control.

The “Redundant” aspect of this unit is crucial for applications demanding high availability and fault tolerance, as it allows for seamless switching to a backup processor in case of a primary unit failure, minimizing downtime and ensuring continuous process operation.

The PM891K01 3BSE053241R1 is engineered for complex industrial processes across various sectors such as power generation, oil and gas, chemical, pulp and paper, and mining. It offers significant processing power and robust communication capabilities, making it ideal for large-scale and critical automation tasks. Its modular design allows for easy integration into existing or new AC 800M controller setups.

 

Product Parameters & Specifications

 

Here are the key parameters and specifications for the ABB PM891K01 3BSE053241R1 Redundant Processor Unit.

  • Manufacturer: ABB
  • Model/Part Number: PM891K01 3BSE053241R1
  • Product Series: ABB AC 800M Controller (part of System 800xA)
  • Product Type: Redundant Processor Unit / CPU Module

Electrical Parameters:

  • Power Supply: 24 V DC (Direct Current)
    • Operating Voltage Range: 19.2 V DC to 30 V DC

Performance & Memory:

  • Processor Clock Speed: 450 MHz
  • Memory (DRAM): 256 MB (Megabytes)
  • Redundancy: Designed for redundant operation, ensuring high availability.
  • Cycle Times: Dependent on application complexity, but AC 800M controllers are known for efficient execution of control loops.

Interfaces & Communication:

ABB PM891K01 3BSE053241R1

  • Ethernet Ports: 2 x RJ45 ports (typically 100Base-TX) for redundant Ethernet communication within the control network.
  • ModuleBus: Interfaces with other AC 800M modules via the ModuleBus, which is the internal communication backbone for I/O and other modules.
  • Serial Port: RS-232C (likely for local configuration or diagnostics).

Physical & Environmental Parameters:

  • Mounting: DIN rail mounting (standard for AC 800M modules).
  • Operating Temperature: +5°C to +55°C (+41°F to +131°F)
  • Storage Temperature: -40°C to +85°C (-40°F to +185°F)
  • Relative Humidity: Typically 5% to 95% non-condensing.
  • Vibration Resistance:
    • 10 Hz < f < 50 Hz: 0.0375 mm amplitude
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