ABB PM856AK01 3BSE066490R1 Standard Processor Unit

Description

ABB PM856AK01 3BSE066490R1 Standard Processor Unit

Executive Brief

The ABB PM856AK01 (3BSE066490R1) is a high-performance standard processor unit belonging to the ABB AC 800M distributed control system family, designed for industrial automation applications that demand stable real-time control performance. It delivers 24 MHz processing speed, 16 MB memory and rich industrial protocol support, making it a cost-effective core control choice for medium and small industrial automation projects.

PM856AK01 3BSE066490R1

Core Technical Specifications

1. Manufacturer: ABB
2. Exact Part Number: PM856AK01, Product ID: 3BSE066490R1
3. Product Category: AC 800M Standard Processor Unit
4. Processor Type: MPC860
5. Clock Frequency: 24 MHz
6. Memory Configuration: 16 MB total memory
7. Cycle Time: Down to 1 ms for each application program
8. Flash PROM: 2 MB for firmware storage
9. Power Supply: 24 V DC, operating range 19.2-30 V DC
10. Power Consumption: Typical 180 mA, maximum 300 mA at 24 V DC
11. Power Dissipation: Typical 4.32 W, maximum 7.2 W
12. Redundant Power Supply: Natively supports redundant power supply status input
13. Built-in Backup Battery: 3.6 V lithium battery for memory data backup
14. Clock Synchronization: 1 ms synchronization accuracy between AC 800M controllers via CNCP protocol
15. OPC Server Transmission Speed: 36-86 events/sec, 113-143 data messages/sec
16. Event Queue: Up to 3000 events per OPC client
17. CEX Bus Supply Current: Maximum 2.4 A
18. Operating Temperature Range: +5 °C to +55 °C (+41 °F to +131 °F)
19. Storage Temperature Range: -40 °C to +70 °C (-40 °F to +158 °F)
20. Protection Class: IP20
21. Physical Dimensions (W x H x D): 119 mm x 186 mm x 135 mm (4.7″ x 7.3″ x 5.3″)
22. Weight (including baseplate): 1100 g (2.4 lbs)
23. Certifications: CE, cULus Class 1 Zone 2, ABS, BV, DNV-GL, LR

Key Features & Advantages

• Stable Cost-effective Performance: 24 MHz MPC860 processor with 16 MB memory delivers reliable real-time control performance, perfectly matching the resource requirements of medium and small industrial automation projects.
• Ultra-low Power Consumption: Typical 4.32 W power dissipation reduces system heat generation and power load, improving long-term operation stability in enclosed industrial cabinets.
• Complete Industrial Certification: Full CE, UL, marine and hazardous location certifications meet the strict safety and compliance requirements of different industries and regions.
• High-precision Clock Synchronization: 1 ms synchronization accuracy between multiple AC 800M controllers ensures consistent time sequence of distributed control systems.
• Rich Communication Capability: Supports multiple industrial protocols including Modbus TCP/IP, Profibus DP, Ethernet IP and MasterBus 300, realizing seamless connection with various field devices.
• Harsh Environment Adaptability: IP20 protection and wide operating temperature range enable stable operation in various standard industrial control cabinet deployment scenarios.

Typical Application Scenarios

1. Robot Control: Executes motion control logic and sensor data processing for ABB robot systems, ensuring precise robot operation.
2. Production Line Automation: Realizes precise equipment control, process monitoring and data acquisition for discrete manufacturing production lines.
3. Motor Drive Control: Controls inverters and servo drives, optimizing motor operation performance and energy efficiency.
4. Energy & Infrastructure: Automation control for power distribution, water treatment and small oil & gas field facilities.
5. Small Process Control: Core control unit for small chemical plants, food processing and pharmaceutical production lines.

Full Kit Contents

The standard PM856AK01 processor unit kit includes:

• PM856A CPU module
• TP830 baseplate
• TB850 CEX-bus terminator
• TB807 ModuleBus terminator
• 3BSE066490R1 memory backup lithium battery
  *Note: Control software licenses are usually sold separately.

Same Series Model Display

1. ABB PM851AK01: Basic controller unit, with lower performance and more cost-effective for small simple automation projects.
2. ABB PM861AK01: High-integrity controller unit, with higher performance and safety level for safety-critical industrial control scenarios.
3. ABB PM864AK01: High-performance upgraded processor unit, with expanded memory and higher processing speed for medium-large complex control systems.

Related Supporting Product Model Display

1. ABB CI854: PROFIBUS DP communication interface module, realizing high-speed fieldbus connection between PM856AK01 and distributed field I/O stations.
2. ABB SS822: Redundant power supply module, providing stable redundant 24V DC power input for PM856AK01 to eliminate power supply single point of failure.
3. ABB DI810: Digital input module, expanding field digital signal acquisition capacity for control systems.
4. ABB AI810: Analog input module, collecting analog physical quantity signals such as temperature and pressure for .
5. ABB AO810: Analog output module, outputting 4-20mA control signals to drive field actuators for .

Frequently Asked Questions

Q1: What is the product ID of ABB ?
A1: Its corresponding product ID is 3BSE066490R1, which is the standard AC 800M processor unit.

Q2: What is the maximum event queue capacity per OPC client?
A2: It supports up to 3000 events in the event queue per OPC client, meeting the data transmission requirements of medium-scale monitoring systems.

Q3: Does have built-in memory backup battery?
A3: Yes, it is equipped with a built-in 3.6 V lithium battery, which can realize non-volatile data retention after power loss.

Q4: What is the operating temperature range of ?
A4: It supports operating temperature from +5 °C to +55 °C, suitable for standard industrial control cabinet deployment scenarios.

Q5: Does this unit have marine certification?
A5: Yes, it has obtained ABS, BV, DNV-GL and LR marine certifications, which can be used in ship and offshore platform automation systems.