ABB PM904F 3BDH001002R0001 CPU Module
ABB PM904F 3BDH001002R0001 CPU Module
Basic Information
Model No.: PM904F 3BDH001002R0001
Type: CPU Module
Series: Freelance AC 900F Controller Series
Technical Parameters
Interface and Communication:
Supports up to 1500 I/O (input and output points) for application scenarios that handle large amounts of data.
Equipped with 4 Ethernet interfaces to provide high-speed and stable network communication capability.
800 MHz CPU clock frequency ensures fast data processing and execution capability.
48 MB controller memory to support complex control algorithms and programme operation.
Provides 4 slots for assembling communication interface module, enhancing the expandability and flexibility of the module.
Supports pluggable SD card for easy data storage and programme update.
Power Supply and External Requirements:
External 24 VDC (direct current) power supply is required.
The module itself does not have a built-in operating system and requires the appropriate operating system or firmware to be loaded during software installation.
Software version 2019 or later is recommended for configuration and management.
Application and Configuration
Application Scenario:
For demanding industrial automation and control systems, such as large production lines and automated factories.
Supports cyclic and priority-driven tasks, as well as PLC (Programmable Logic Controller) type tasks with fast cyclic cycle times.
Equipped with redundancy options for high availability to ensure stable system operation.
Configuration and Commissioning:
When configuring the module, you need to pay attention to the setting of the communication port, the selection of the device type, the selection of the connection method, and the setting of the interface parameters and the PLC station number.
If communication problems occur, you need to check the connection of the line, including whether the wiring of RS485 and RS232C is correct.
You can troubleshoot and solve the problem by online simulation and other means to ensure normal communication and stable operation of the module and the system.
Key Features
Powerful Processor: The PM904F comes equipped with an 800 MHz processor. This ensures efficient handling of complex tasks and fast loop cycle times.
Expandable Storage: It supports a pluggable SD card, increasing storage capacity and application flexibility.
High Availability: Redundancy options ensure uninterrupted operation for critical systems.
Extensive I/O: It can handle up to 1500 I/Os, accommodating various input and output devices.
Networking: Four 100 Mbit/s Ethernet ports enable seamless communication within the control system and with external networks.
Communication Flexibility: The module includes two serial ports for Modbus and Telecontrol, plus a diagnostic port.
Memory: It features 48 MB of memory, including 16 MB battery-backed for data retention.
Task Management: It supports eight cyclic and priority-driven tasks, along with a high-speed cyclic PLC-type task.
Local Monitoring: The integrated TD 951F display unit provides real-time status and diagnostic information.
Security: A controller locking feature protects applications and firmware during downloads.
Technical Specifications
CPU Clock: 800 MHz
Memory: 16 MB battery-buffered SRAM, 32 MB DRAM
Ethernet: 4 x 100 Mbit/s
I/O: Up to 1500 I/Os
Communication: Modbus, Telecontrol, PROFIBUS (via third-party I/O)
Power Supply: 24 VDC
Display: Compatible with TD 951F (optional)
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