Description
Product Description
ABB 3ASC25H204 (part of the DAPU100 series) is a high-performance processor module designed for ABB AC500 PLC and distributed control systems (DCS), serving as the core “brain” for complex industrial automation tasks. It integrates 32-bit high-speed processing, multi-protocol communication, and digital I/O signal interaction, supporting IEC 61131-3 standard programming languages for flexible logic control and data processing. ABB 3ASC25H204 features dual independent communication interfaces (Ethernet and Profibus-DP/RS485) and supports Modbus TCP, Ethernet/IP, and Profibus protocols, enabling seamless integration with SCADA, HMI, and field devices. Its industrial-grade design includes 2MB battery-backed program memory, hardware watchdog, and hot-swappable functionality, ensuring reliable operation in harsh environments with temperature fluctuations and electromagnetic interference. ABB 3ASC25H204 also integrates a pressure compensation system to adapt to atmospheric pressure and backpressure changes, making it suitable for emission compliance monitoring in process industries.
Product Parameters
- Module Type: High-performance processor module (DAPU100 series; ABB AC500 PLC/DCS compatible)
- Core Function: Complex logic control, data acquisition/processing, multi-protocol communication, and system integration
- Processor & Memory: 32-bit high-speed processor; 2MB user program memory (battery-backed)
- Communication Interfaces: 10/100M Ethernet (RJ45), Profibus-DP master station, RS485
- Supported Protocols: Modbus TCP, Ethernet/IP, Profibus, Modbus RTU
- Performance Metrics: Typical Boolean operation scan cycle 0.08μs; 5ms/k instruction scan cycle; supports 127 expansion modules
- Protection Features: Hardware watchdog, overload protection, electrical isolation; redundant power supply support
- Environmental Resistance: Operating temperature -25°C to +55°C; storage -40°C to +85°C; 5g vibration resistance; 30g impact resistance
- Physical Specs: 70mm×99mm×62mm; weight 200g; chassis/cabinet mounting
- Key Functions: Multi-task parallel processing, online program modification, self-diagnosis, pressure compensation, hot-swappable
- Certifications: Industrial safety and EMC compliance
Advantages and Features
-
High-Speed Processing Capacity
ABB 3ASC25H204 delivers ultra-fast instruction execution and scan cycles, handling complex control algorithms and large-scale data processing for real-time industrial demands.
-
Flexible Multi-Protocol Integration
Dual communication interfaces and support for multiple industrial protocols allow ABB 3ASC25H204 to connect seamlessly with diverse automation systems and field devices.
-
Reliable and Durable Design
Battery-backed memory, redundant power support, and robust environmental resistance ensure ABB 3ASC25H204 operates stably in harsh industrial conditions with minimal downtime.
-
Easy Maintenance & Upgrades
Hot-swappable functionality and online program modification enable ABB 3ASC25H204 to be maintained or optimized without full system shutdown, supporting continuous production.
-
Integrated Functional Expansion
The built-in pressure compensation system and compatibility with 127 expansion modules extend ABB 3ASC25H204’s applicability to process control and emission monitoring scenarios.
Application Cases in Application Fields
- Water Treatment: ABB 3ASC25H204 controls water purification processes (raw water lifting, dosing, filtration) and integrates with SCADA for remote monitoring, ensuring automatic and efficient plant operation.
- Wind Energy: Used in wind turbine pitch control systems, it monitors blade angles, executes emergency feathering, and responds to main control commands with high real-time performance.
- Chemical Processing: Manages reactor operations and emission monitoring, leveraging the pressure compensation system to adapt to backpressure changes and ensure compliance with emission standards.
- Manufacturing Automation: Coordinates automotive assembly lines, packaging machinery, and robotic arms, connecting with servo drives and remote I/O for precise motion control and data tracing.
Comparisons with Competing Products
| Parameter | ABB 3ASC25H204 | Siemens S7-1516F | Allen-Bradley ControlLogix L73 |
|---|---|---|---|
| Core Type | Processor module (DAPU100 series) | PLC CPU | PLC CPU |
| Scan Cycle | 0.08μs (Boolean) | 0.1μs (Boolean) | 0.12μs (Boolean) |
| Expansion Capacity | 127 modules | 32 modules | 64 modules |
| Key Interfaces | Ethernet + Profibus-DP + RS485 | PROFINET + Ethernet/IP | Ethernet/IP + ControlNet |
| Unique Feature | Pressure compensation + hot-swappable | Safety integrated (SIL 3) | High scalability for motion control |
| Target Application | DCS/PLC hybrid systems, process control | Safety-critical manufacturing | Large-scale discrete automation |
Selection Suggestions and Precautions
Selection Suggestions
- Choose ABB 3ASC25H204 for ABB AC500 PLC/DCS systems requiring high-speed processing, multi-protocol integration, and compatibility with large-scale I/O expansion.
- Opt for this module for continuous production industries (water treatment, chemicals, energy) that demand reliable operation and minimal maintenance downtime.
Precautions
- Ensure the 24VDC power supply matches ABB 3ASC25H204’s specifications to avoid module damage.
- Use ABB Automation Builder software for programming to maximize compatibility with IEC 61131-3 languages.
- Regularly check self-diagnostic data and watchdog status to proactively address potential issues with ABB 3ASC25H204.
- Follow hot-swap procedures and ESD protection guidelines during installation or maintenance.
1746-HCA AB PLC
1783-ETAP AB
1746-HSRV AB
1747-SCNR AB
1746-IH16 AB PLC
1756-MVI AB
1747-BSN AB
1756-SYNCH AB
1756HP-GPS AB PLC
Reviews
There are no reviews yet.