ABB PM 904F 800MHz Processor 4 Ethernet Ports Controller

ABB PM 904F Automation Controller

The ABB PM 904F is a high-performance automation controller featuring an 800MHz processor, 48MB RAM, and extensive communication capabilities for industrial control applications.

Processor & Memory Specifications

• CPU Clock Speed: 800 MHz
• Total RAM: 48 MB total memory
• Battery-Buffered RAM: 16 MB with battery backup
• Model: ABB PM 904F

I/O & System Capabilities

• Direct I/O Modules: Up to 10 modules supported
• System Expansion: Flexible I/O configuration options

Power Specifications

• Supply Voltage: 24 VDC
• Power Consumption: 24 W (full assembly)
• Max Power Dissipation: 18 W
• Current Draw: 1 A normal operation
• Inrush Current: 1.5 A maximum

Battery Backup System

• Backup Source: Lithium battery system
• Buffering Time: >2 years at 40°C
• Warning Period: 14-day warning before critical battery status
• Data Protection: Battery-buffered RAM for data retention

Communication Ports

• Serial Ports (SER1 & SER2): RS-232/RS-485 (600-38400 bps)
• Protocol Support: Modbus RTU, IEC 60870-5-101 Telecontrol
• Ethernet Ports: 4 × RJ45 connectors
• Ethernet 1 & 2: ControlNet, Modbus TCP, IEC 60870-5-104, redundancy
• Ethernet 3 & 4: ControlNet redundancy or Modbus TCP/IEC 60870-5-104
• Terminal Blocks: Pluggable for easy maintenance

Physical Specifications

• Weight: 1.1 kg (2.43 lbs)
• Dimensions: 285 × 152 × 95 mm (W × H × D)
• Construction: Industrial-grade enclosure

Key Features

• High-speed 800MHz processor for rapid control execution
• 48MB total RAM with 16MB battery-buffered for data protection
• Comprehensive communication with 4 Ethernet and 2 serial ports
• Support for up to 10 direct I/O modules for system expansion
• Long-life lithium battery backup (>2 years at 40°C)

Packaging & Shipping

• Includes PM 904F controller unit
• Shipping weight: 1.1 kg (2.43 lbs)
• Ships via FedEx, UPS, or DHL

FAQ

What is the processor speed of the PM 904F?

• The ABB PM 904F features an 800 MHz processor for high-speed automation control processing.

What is the weight of the controller?

• The controller weighs 1.1 kg (2.43 lbs), making it compact and easy to install in control panels.

How many I/O modules can be connected?

• It supports up to 10 direct I/O modules for flexible system expansion and configuration.