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The ABB 3ASC25H209 DATX110 is a high-reliability PROFIBUS DP communication interface module designed for seamless integration of ABB’s AC 800M controllers into industrial automation networks. This ruggedized module enables deterministic data exchange between DCS/PLC systems and field devices, supporting PROFIBUS DP-V1 master functionality with baud rates up to 12 Mbps. The 3ASC25H209 DATX110 features galvanic isolation (1500V AC) and integrated termination resistors, ensuring signal integrity in electrically noisy environments like substations or manufacturing floors. Certified for SIL 2 applications per IEC 61508, it provides redundant communication paths when paired with ABB’s redundant CPU configurations. For process industries requiring robust fieldbus connectivity, the ABB 3ASC25H209 DATX110 delivers plug-and-play integration with comprehensive diagnostics via Control Builder M engineering tools, reducing commissioning time while maintaining millisecond-level synchronization accuracy.
ABB 3ASC25H209 DATX110
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 3ASC25H209 DATX110 |
| Manufacturer | ABB |
| Product Type | PROFIBUS DP Interface Module |
| Protocol Standard | EN 50170 PROFIBUS DP-V1 |
| Data Rate | 9.6 kbps – 12 Mbps (auto-negotiating) |
| Isolation Voltage | 1500V AC (field-to-system) |
| Connector Type | 9-pin D-sub (RS-485) |
| Termination | Integrated switchable resistor |
| Max Stations | 125 slaves per segment |
| Diagnostics | LED status (RUN/BUS/ERROR) |
| Safety Certification | SIL 2 (IEC 61508) |
| Environmental Class | Class 3K3 (IEC 60721-3-3) |
| Operating Temperature | -25°C to +70°C |
| Relative Humidity | 5–95% (non-condensing) |
| Power Consumption | 1.2W (from controller backplane) |
| MTBF | >500,000 hours |
| Certifications | CE, UL, ATEX/IECEx Zone 2 |
Main Features and Advantages
Deterministic Communication:
Achieves cycle times ≤1 ms with 244 bytes I/O per slave, synchronized via PROFIBUS System Redundancy (PSR) for fault-tolerant networks. Automatic baud rate detection eliminates manual configuration.
Robust Connectivity:
Integrated surge protection (IEC 61000-4-5) withstands 1kV/500A transients. Dual-wire RS-485 interface supports cable runs up to 1,200m (at 93.75 kbps).
Diagnostic Intelligence:
Real-time monitoring of slave status, telegram errors, and signal quality. Event logging integrates with ABB’s 800xA alarm system for predictive maintenance.
Seamless Integration:
Hot-swappable in AC 800M PM865/PM891 racks. Automatic GSD file import in Control Builder M. Supports DPV1 acyclic services for parameterization.
Safety Compliance:
Hardware fault detection meets SIL 2 requirements. ATEX/IECEx Zone 2 certification enables use in hazardous areas.
Application Field
The ABB 3ASC25H209 DATX110 connects critical control systems to field devices across industries:
Power Generation: Turbine control I/O integration with Woodward governors
Oil & Gas: Wellhead safety system communication with SIL 2-rated valves
Pharmaceutical: Batch reactor PROFIBUS networks (21 CFR Part 11 compliant)
Water Treatment: Pump station control linking PLCs to VFDs
Manufacturing: Robotic cell synchronization in automotive assembly
Deployed in redundant configurations for substation SCADA systems and burner management applications where communication loss could trigger shutdowns.
ABB 3ASC25H209 DATX110
Related Products
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ABB SD831 Safety CPU: SIL 3 processor pairing with DATX110
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ABB CP635 HMI: Operator interface for network diagnostics
