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Product basic description (parameters)：

The PM856AK01 3BSE066490R1 processor unit, manufactured by ABB, is a high-performance central processing module (CPU) designed for industrial automation and process control applications. Below are its key technical parameters and features presented in English:

1. General Specifications

• Model: PM856AK01
• Part Number: 3BSE066490R1
• Type: Central Processing Unit (CPU) Module
• Brand: ABB
• Series: AC800M Controller Series
• Application Environment:
  • Temperature Range: -20°C to +70°C (operating), -40°C to +85°C (storage)
  • Relative Humidity: 5% to 95% (non-condensing)

2. Mechanical Properties

• Dimensions:
  • Width: 119 mm (4.7 inches)
  • Height: 186 mm (7.3 inches)
  • Depth: 135 mm (5.3 inches)
• Weight: Approximately 1100 grams (2.4 pounds)
• Installation: DIN rail mounting with a unique slide-and-lock mechanism for easy attachment/detachment.

3. Electrical Characteristics

• Power Supply:
  • Input: 24V DC (19.2V to 30V DC)
  • Power Consumption:
    • Typical: 180 mA at +24V DC (4.32W)
    • Maximum: 300 mA at +24V DC (7.2W)
• Redundancy Support: Non-redundant (standalone configuration).
• Battery Backup: Built-in lithium battery (3.6V) for clock synchronization and data retention in case of power failure.

4. Processing and Memory

• Processor:
  • Clock Frequency: 24 MHz
  • Performance: 1000 Boolean operations in 0.46 milliseconds
• Memory:
  • Total Memory: 16 MB (from 800xA 5.1 FP4)
  • RAM for Applications: 10.337 MB (from 800xA 5.1 FP4)
  • Flash Memory: 2 MB for firmware storage

5. Communication Interfaces

• Ethernet:
  • 2 RJ45 Ethernet ports (IEEE 802.3, 10 Mbit/s) for connection to control networks.
• Serial Ports:
  • 2 RJ45 serial ports (COM3, COM4):
    • COM3: RS-232C port with modem control signals.
    • COM4: Isolated port for configuration tools.
• Fieldbus Support:
  • Modulebus: Supports up to 96 I/O modules, with a scan rate of 0–100 ms (dependent on I/O module count).
  • PROFIBUS DP: Supports up to 98 remote stations via PROFIBUS DP fieldbus, with a maximum distance of 500 meters (500 Kb/s) using copper cables or 2 km (12 Mb/s) using multimode fiber optics.

6. I/O Capacity and Task Handling

• I/O Capacity:
  • Local I/O: Up to 8 stations (non-redundant) or 7 stations (redundant) via Modulebus.
  • Remote I/O: Up to 98 stations via PROFIBUS DP.
• Tasks and Programs:
  • Tasks per Controller: 32
  • Programs per Application: 64
  • Charts per Application: 128
  • Cycle Time per Application: As low as 1 ms

7. Environmental Specifications

• Protection Rating: IP20 (no enclosure required), providing basic protection against dust and solid objects.
• Vibration and Shock: Compliant with industrial standards for vibration and shock resistance.

8. Certifications and Compliance

• Electromagnetic Compatibility (EMC): Compliant with relevant industrial EMC standards.
• Safety Certifications: CE marked, UL listed (where applicable), and compliant with other regional safety standards.

9. Additional Features

• Clock Synchronization: 1 ms synchronization between AC800M controllers using the CNCP protocol.
• LED Indicators: Power, run, error, battery OK, and communication activity indicators for easy status monitoring.
• Configuration Tool: Supports configuration via 800xA Control Builder software.

10. Applications

The PM856AK01 is suitable for various industrial automation and process control applications, including:

• Manufacturing
• Energy
• Chemicals
• Water and wastewater treatment

Its high performance, reliability, and modular design make it an ideal choice for demanding industrial environments.

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Origin: Switzerland SWI/Estonia ASA/Thailand THD/Poland POL

USA/Germany GER/France FRA

Product Name: Analog Input/Output Module/Redundant Excitation Module/Communication Interface Board

Application industries: power plants, chemical plants, water treatment plants, turbine engines

Lifecycle status: discontinued/in production discontinued

Customized: No, standard parts

Color: Green/White/Red/Blue

Whether to import: Original factory import, genuine product guarantee

payment method: T/T  SWIFT  Ali pay

Inventory status: In stock inventory

Shipping method: FedEx, FedEx, SF Express, Deppon

Product status: Brand new, one-year warranty

Quantity: 10 pcs

Minimum order quantity: 1 piece or more

Size: 330 * 280 * 23mm

Weight: 1.2KG

Provide: Datasheet manual PDF instruction manual parameter data table