ABB 3ASC25H209 DATX110
ABB 3ASC25H209 DATX110
ABB 3ASC25H209 DATX110
ABB 3ASC25H209 DATX110
ABB 3ASC25H209 DATX110

ABB 3ASC25H209 DATX110 | Industrial DCS Redundant Data Exchange Module with Protocol Conversion

  • Brand: ABB
  • Model: 3ASC25H209 DATX110
  • Product Type: Data Communication Interface Module
  • Series: DATX Series (ABB Data Communication Family)
  • Core Function: Manages redundant data exchange between DCS controllers and distributed I/O/field devices; supports multi-protocol conversion (Profibus DP, Modbus TCP, Ethernet IP) and system diagnostics for industrial automation networks.
  • Key Specs: PowerPC 405 processor, 256MB RAM, dual-redundant architecture (≤50ms failover), -40°C to +70°C operating temperature, SIL 2 certified (IEC 61508).
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Part number: ABB 3ASC25H209 DATX110
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Description

3ASC25H209 DATX110: Product Overview
The 3ASC25H209 DATX110 is a data communication interface module within ABB’s DATX series, designed for integration into distributed control systems (DCS) to serve as a high-availability gateway for controller-to-I/O and controller-to-field device communication. Its role is to ensure deterministic, fault-tolerant data exchange in industrial automation architectures, bridging legacy and modern protocols to unify disparate systems. For continuous process industries—such as oil refining, chemical manufacturing, and power generation—it mitigates communication bottlenecks and single-point failures, critical for maintaining process stability and safety.
Functionally, the module implements a dual-redundant active/standby architecture with automatic failover, processing cyclic data (up to 1,024 bytes per device) and acyclic messages (diagnostic/config commands). It supports Profibus DP (up to 12 Mbps), Modbus TCP, and Ethernet IP protocols, enabling integration with ABB S800 I/O, third-party PLCs (e.g., Siemens S7-1500), and smart field instruments. As part of the DATX series, the 3ASC25H209 DATX110 leverages ABB’s DCS platform advantages: uniform engineering tools (Control Builder M), hot-swappable components, and seamless compatibility with 800xA asset management suites. This design simplifies network scalability, reduces lifecycle costs, and ensures compliance with industrial communication standards.

ABB 3ASC25H209 DATX110

ABB 3ASC25H209 DATX110

3ASC25H209 DATX110: Technical Specifications
  • Model Number: 3ASC25H209 DATX110
  • Manufacturer: ABB
  • Product Type: Data Communication Interface Module
  • Processor: PowerPC 405, 333 MHz
  • Memory: 256MB RAM, 1GB Flash (firmware/user configuration)
  • Redundancy: Dual-port active/standby (automatic failover ≤50ms)
  • Communication Protocols: Profibus DP (up to 12 Mbps), Modbus TCP, Ethernet IP, IEC 60870-5-104 (optional)
  • I/O Device Capacity: Up to 64 devices per segment (Profibus DP/Ethernet IP)
  • Data Throughput: Up to 10,000 I/O points per second (cyclic exchange)
  • Operating Temperature: -40°C to +70°C
  • Humidity Range: 5% to 95% non-condensing
  • Power Supply: 24V DC (nominal, 18-32V DC range), redundant inputs supported
  • Power Consumption: 9W (typical, dual ports active)
  • Dimensions: 245mm x 135mm x 115mm (width x height x depth, fits DATX rack)
  • Weight: 1.0kg
  • Certifications: CE, UL, cULus, SIL 2 (IEC 61508, when integrated with safety logic)
Core Features & Customer Value​
Redundant Architecture Eliminates Communication Downtime: The 3ASC25H209 DATX110’s dual-port active/standby design ensures uninterrupted data flow, with automatic failover in ≤50ms. For engineers managing critical systems like refinery catalytic crackers, this prevents data loss during cable or module faults, avoiding unplanned shutdowns. Maintenance teams can repair the primary link without interrupting control, as the standby port maintains I/O updates, reducing mean time to repair (MTTR) by 40%.
Multi-Protocol Support for Legacy and Modern Integration: The module supports Profibus DP, Modbus TCP, and Ethernet IP, enabling connection to ABB S800 I/O, third-party PLCs (e.g., Siemens S7-1500), and smart field devices. For a chemical plant upgrading its DCS, this avoids costly replacement of existing instrumentation, preserving prior investments in wiring and sensors.
High Data Throughput for Dense Networks: With a throughput of 10,000 I/O points per second, the module efficiently handles large-scale systems (e.g., 50+ I/O devices). In a power plant’s boiler control system, this ensures real-time transmission of 6,000+ temperature/pressure signals to the DCS controller, maintaining stable steam generation.
Seamless Integration with ABB DCS Ecosystem: As a native DATX series component, the module uses ABB’s Control Builder M software for configuration, tuning, and firmware updates. Engineers reuse existing communication profiles across projects, cutting commissioning time by 20%. Hot-swappable design minimizes downtime during maintenance.
Rugged Design for Harsh Environments: Operating temperature range of -40°C to +70°C and 5-95% RH tolerance enable outdoor installations (e.g., power plant switchyards) and indoor harsh conditions (steel mill control rooms). Compact size (245x135x115mm) fits into space-constrained racks.

ABB 3ASC25H209 DATX110

ABB 3ASC25H209 DATX110

Typical Applications​
The 3ASC25H209 DATX110 is deployed in DCS environments requiring reliable communication. In a petroleum refinery’s crude distillation unit, it links a DCS controller to 40 S800 I/O stations (monitoring 8,000+ temperature/pressure points) via Profibus DP. Dual-port redundancy ensures continuity if a cable is damaged during maintenance.
At a chemical plant’s ethylene cracker, the module connects the DCS safety controller to S800 I/O stations hosting emergency shutdown (ESD) inputs (flame detectors, pressure switches) via Ethernet IP. Its ≤50ms failover time meets SIL 2 requirements, while Modbus TCP sends ESD status to the plant’s historian.
In a municipal water treatment plant, the 3ASC25H209 DATX110 interfaces the DCS controller with remote pump stations (via Modbus TCP). The -40°C cold-start capability supports winter startups, and hot-swap functionality allows maintenance during planned turnarounds.

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