ABB AC900F Programmable Automation Controller (PAC)(XIONGBA)

ABB AC900F Programmable Automation Controller (PAC)(XIONGBA)

Brand Model: ABB AC900F
Product Name: Programmable Automation Controller (PAC)
Warranty: 1 year
Size: 285 x 152 x 55 mm (PM902F); 285 x 152 x 95 mm (PM904F)
Weight: 0.9 kg (PM902F); 1.2 kg (PM904F)
Origin: Sweden
Inventory: Available (contact local distributors for stock levels)
Delivery Time: 3–5 business days for standard models; 3–5 weeks for custom configurations

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Description

Product Overview

The ABB AC900F is a high-performance programmable automation controller (PAC) designed for industrial process control and distributed automation systems. As a core component of ABB’s Freelance distributed control system (DCS), the ABB AC900F integrates advanced processing power, modular scalability, and multi-protocol connectivity to deliver reliable control for complex industrial applications. With a range of CPU modules (e.g., PM901F, PM902F, PM904F) supporting varying performance levels and redundancy options, the ABB AC900F caters to diverse needs from basic process control to high-integrity systems .

 

Key features include real-time control with deterministic performance, hot-swappable modules for seamless maintenance, and open architecture supporting integration with third-party devices via protocols like Modbus RTU, Profibus DP, Ethernet/IP, and OPC UA. The controller’s modular design allows flexible expansion through communication modules (e.g., CI930F for Profibus DP, CI910F for CAN Bus) and I/O modules (e.g., S700 series), making it suitable for applications in oil & gas, chemical, power generation, and manufacturing .

 

The ABB AC900F supports IEC 61131-3 programming languages (Ladder Logic, Function Block Diagram, Structured Text) and is engineered for harsh environments with an operating temperature range of -20°C to +70°C and IP20 protection against dust and accidental contact. Its redundant CPU configuration (e.g., AC900FR) ensures continuous operation with switchover times ≤10 ms, critical for uptime-sensitive processes .

Technical Specifications

Parameter Name Parameter Value
Product Model ABB AC900F
Manufacturer ABB
Product Type Programmable Automation Controller (PAC)
CPU Models PM901F (400 MHz, 11 MB RAM), PM902F (800 MHz, 24 MB RAM), PM904F (800 MHz, 48 MB RAM)
Redundancy Support Dual CPU redundancy (e.g., AC900FR) with ≤10 ms switchover time
Communication Protocols Modbus RTU, Profibus DP, Ethernet/IP, OPC UA, CAN Bus
I/O Capacity Up to 1,500 I/O points via S700 I/O modules or Profibus
Power Supply 24 VDC ±10% (redundant power options available)
Operating Temperature -20°C to +70°C
Storage Temperature -40°C to +85°C
Dimensions 285 x 152 x 55 mm (PM902F); 285 x 152 x 95 mm (PM904F)
Weight 0.9 kg (PM902F); 1.2 kg (PM904F)
Safety Certification CE, UL 508, cULus Class 1 Div 2 (Groups A, B, C, D) -T4
Environmental Compliance IP20, IEC 61000-6-4 (EMC), ISA-S71.04 G3 (corrosion resistance)
Programming Environment ABB Freelance Engineering (IEC 61131-3 compliant)

Key Features and Advantages

Modular Scalability: The ABB AC900F offers a wide range of CPU modules with varying processing power (400 MHz to 800 MHz) and memory (11 MB to 48 MB), enabling cost-effective solutions for both small-scale and large-scale applications. Its hot-swappable design allows online replacement of modules without system downtime, reducing maintenance efforts .

 

High Availability: Redundant CPU configurations (e.g., AC900FR) ensure continuous operation with failover times ≤10 ms, critical for processes like oil refining and power generation. The controller’s dual Ethernet ports and redundant power supplies further enhance system reliability .

 

Open Integration: Supporting Modbus RTU, Profibus DP, Ethernet/IP, and OPC UA, the ABB AC900F seamlessly integrates with third-party devices, legacy systems, and cloud platforms. Its Device Import Wizard simplifies integration of non-ABB devices by converting GSD files into compatible hardware types .

 

Robust Industrial Design: Constructed with high-quality materials, the ABB AC900F withstands extreme temperatures (-20°C to +70°C) and vibrations, ensuring long-term reliability in harsh industrial settings. Its IP20-rated enclosure protects against dust and accidental contact, while the ruggedized terminal blocks ensure secure wiring connections .

 

Advanced Programming: The ABB Freelance Engineering environment supports IEC 61131-3 languages and offers pre-engineered function blocks for motor control, PID loops, and batch processes. Its offline simulation feature enables testing of control logic without hardware, accelerating project delivery .

Application Areas

The ABB AC900F is widely deployed in industries requiring robust automation and control:

 

  • Oil & Gas: Monitoring and controlling upstream wellheads, midstream pipelines, and downstream refining processes. Its corrosion-resistant design (ISA-S71.04 G3) ensures reliability in harsh chemical environments .
  • Chemical & Petrochemical: Managing reactor control, distillation units, and hazardous material handling. The controller’s redundant architecture minimizes downtime during maintenance or equipment failure .
  • Power Generation: Optimizing steam turbine control, boiler management, and smart grid integration. The ABB AC900F interfaces with renewable energy systems (e.g., solar inverters) for real-time energy management .
  • Manufacturing: Controlling robotics, conveyor systems, and quality assurance processes. Its high-speed I/O and Ethernet/IP support enable precise synchronization in automotive and food & beverage production lines .
  • Water & Wastewater: Regulating pump stations, water treatment plants, and wastewater recycling systems. The controller’s Modbus RTU capability simplifies integration with field devices like flow meters and analyzers .

Related Products

  1. PM901F/PM902F/PM904F: CPU modules with varying performance levels for cost-effective or high-end applications .
  2. CI930F/CI910F: Communication modules supporting Profibus DP and CAN Bus protocols for connecting drives and legacy systems .
  3. S700 I/O Modules: High-density analog/digital I/O modules with IP20 protection, compatible with the ABB AC900F via Profibus or CAN Bus .
  4. TD951F Display Unit: Optional LCD display for on-site configuration and diagnostics, enhancing usability in remote locations .
  5. SD Cards: Supports up to 32 GB for firmware updates, data backup, and application storage .
  6. CP-C Power Supply: Redundant 24 VDC power supply modules with surge suppression for stable operation .
  7. CM772F Communication Module: Profibus DP master module supporting line redundancy for critical applications .
  8. Freelance Engineering Software: Engineering tool for configuring the ABB AC900F, including function block programming and diagnostics .
  9. TA951F Battery: Lithium battery for RAM buffering, ensuring data retention during power outages .
  10. TB801A Terminal Blocks: Secure wiring connections for analog/digital signals, ensuring reliable signal integrity .

Installation and Maintenance

Installation:

 

  • Mounting: Secure the ABB AC900F on a 35mm DIN rail using M4 screws, ensuring adequate airflow. For redundant setups, install dual CPUs with TB801A terminal blocks for synchronized communication .
  • Wiring: Connect power cables (24 VDC) and communication cables (e.g., Profibus DP, Ethernet) to the designated terminals. Use shielded cables for analog signals to minimize interference .
  • Configuration: Use ABB Freelance Engineering to program control logic, assign I/O addresses, and configure communication parameters. Import third-party device profiles via the Device Import Wizard for seamless integration .

 

Maintenance:

 

  • Routine Checks: Inspect terminal connections quarterly for tightness and corrosion, especially in humid environments. Clean dust from the module using compressed air .
  • Firmware Updates: Regularly update firmware via Freelance Engineering to address security patches and performance improvements. Verify compatibility with existing software versions .
  • Redundancy Testing: Perform annual switchover tests for redundant CPUs to ensure failover functionality. Replace batteries in non-volatile memory modules every 5 years .
  • Spare Parts Management: Maintain inventory of critical modules (e.g., PM902F CPU, CI930F communication module) to reduce downtime during replacements. ABB offers expedited delivery for urgent orders .

Product Assurance

The ABB AC900F is backed by a 1-year warranty covering defects in materials and workmanship. ABB provides global technical support, including access to certified engineers and comprehensive documentation (e.g., datasheets, installation manuals). For critical applications, ABB offers extended warranties and proactive maintenance plans, including annual system health checks to ensure compliance with safety standards .

 

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