Product Short Description
Product Introduction
The ABB DDC779CE102 (3BHE027859R0102) is a robust, high‑performance control module designed for ABB’s 800xA Distributed Control System (DCS) and advanced industrial automation platforms. It serves as a core processing and I/O coupling unit, delivering ultra‑fast real‑time control, data acquisition, and field device interfacing for mission‑critical industrial processes. Built with a high‑performance ARM processor, this module combines powerful computing, flexible I/O configuration, redundant design, and multi‑protocol communication to ensure reliable operation in demanding industrial environments. It supports both PLC and PAC control modes, with cycle times as low as 100 μs for high‑speed applications, making it ideal for complex process control, factory automation, and power generation systems.
Description
Technical Specifications
Core Processing
- Processor: High‑performance ARM processor
- Memory: 128 MB RAM, 512 MB Flash memory
- Control Modes: PLC (Programmable Logic Controller), PAC (Programmable Automation Controller)
- Cycle Time: Down to 100 μs (PAC mode); down to 1 ms (PLC mode)
- Programming: Control Builder, MATLAB/Simulink (PAC mode)
I/O Configuration
- I/O Type: Mixed digital and analog I/O support
- Digital I/O: Configurable digital input/output channels
- Analog I/O: Supports voltage, current, thermocouple, and RTD input signals
- Resolution: 0.1% for analog signals
- Sampling Rate: 1000 Hz for high‑speed data acquisition
- I/O Capacity: Up to 64 I/O points per module
- Isolation: Full galvanic isolation between field circuits and control electronics
Communication Interfaces
- Fieldbus Protocols: PROFIBUS, Modbus, Ethernet/IP
- Serial Communication: RS‑485 interface
- System Integration: Seamless connectivity with ABB 800xA DCS and AC 700F/AC 900F controllers
Power Specifications
- Supply Voltage: 24 V DC (nominal)
- Power Consumption: Less than 15 W
- Redundancy: Dual redundant power input design
Physical & Mechanical Data
- Dimensions: 125 mm (W) × 170 mm (H) × 35 mm (D)
- Weight: 1.3 kg (net)
- Mounting: DIN‑rail mounting (IEC 60715)
- Terminals: Screw‑type terminal blocks for field wiring
- Housing: Industrial‑grade flame‑retardant plastic
- Ingress Protection: IP67 (housing)
Environmental Ratings
- Operating Temperature: -20°C to +60°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5%–95% non‑condensing
- Vibration Resistance: Complies with IEC 60068‑2‑6 standards
- Shock Resistance: Complies with IEC 60068‑2‑27 standards
Certifications & Compliance
- Safety: CE, UL, CSA
- EMC: IEC 61000‑6‑2 (immunity), IEC 61000‑6‑4 (emission)
- RoHS: EU RoHS compliant
Functional Features
- Ultra‑Fast Processing: High‑speed ARM processor with cycle times down to 100 μs for real‑time control
- Dual Control Modes: Supports both PLC and PAC operation for flexible application deployment
- Redundant Design: Dual power inputs, redundant communication paths, and I/O redundancy for maximum uptime
- Flexible I/O: Configurable digital and analog I/O to adapt to diverse field device requirements
- High‑Speed Sampling: 1000 Hz analog sampling rate for precise process monitoring
- Multi‑Protocol Communication: PROFIBUS, Modbus, Ethernet/IP, and RS‑485 for broad system compatibility
- Galvanic Isolation: Protects control electronics from field voltage transients and ground loops
- Robust Construction: IP67 rating and wide temperature tolerance for harsh industrial environments
- Easy Integration: Seamless integration with ABB 800xA DCS and AC series controllers
- Advanced Programming: Supports Control Builder and MATLAB/Simulink for complex control logic development
- Diagnostic Capabilities: Built‑in status monitoring and fault detection for proactive maintenance
- Compact Form Factor: Space‑saving design for dense control cabinet installations
Application Scenarios
- Process Industries: Chemical, pharmaceutical, oil and gas, and petrochemical plants
- Power Generation: Thermal power plants, hydroelectric facilities, and renewable energy systems
- Manufacturing Automation: Automotive assembly lines, metal processing, and machinery control
- Water & Wastewater: Treatment plants, pumping stations, and distribution networks
- Mining & Minerals: Conveyor systems, crushing plants, and material handling equipment
- Paper & Pulp: Paper machines, drying processes, and converting lines
- Food & Beverage: Processing lines, packaging machinery, and quality control systems
- Marine & Offshore: Shipboard automation, offshore drilling, and platform control systems
- Building Automation: HVAC, fire safety, and energy management systems
- System Retrofits: Upgrading legacy DCS/PLC systems with modern high‑performance control capabilities






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