Description
| Product model | DATX110 |
| Manufacturer | ABB |
| Product category | Digital input/output termination module |
| Order code | 3ASC25H209 |
| Compatible system | ABB AC 800M controller (part of 800xA DCS) |
| I/O configuration | 16 digital channels (configurable as input or output) |
| Signal type | 24 VDC, sink/source capable (depending on base unit) |
| Connection method | Screw terminal via removable TB850-style terminal block |
| Mounting | DIN rail mounted on CI854A/B communication base |
| Redundancy support | Yes – supports redundant I/O in dual-channel mode |
| Operating temperature | 0°C to +60°C |
| Isolation | 500 VAC channel-to-bus isolation |
Product Introduction
The ABB DATX110 3ASC25H209 is a versatile digital termination module designed for the ABB AC 800M programmable automation controller platform, a core component of the 800xA Distributed Control System (DCS). Unlike standalone I/O modules, the DATX110 functions as a field-wiring interface that connects to a CI854 communication base, enabling high-density, reliable digital signal handling in process and factory automation environments.
This module provides 16 configurable digital channels that can be set as inputs or outputs via software—offering flexibility during engineering and future modifications without hardware changes. The ABB DATX110 3ASC25H209 is engineered for industrial robustness, featuring galvanic isolation between field signals and the internal Profibus DP-V1 or redundant optical link to the controller. Its compact design maximizes I/O density per rack slot, reducing cabinet footprint and wiring complexity in large-scale installations such as power plants, refineries, and chemical facilities.
Within an ABB 800xA architecture, the ABB DATX110 plays a critical role in bridging field devices—such as limit switches, solenoid valves, and motor starters—to the central control logic. Its support for redundant configurations ensures continuous operation even if one communication path fails, making it indispensable in safety-critical or high-availability processes where unplanned downtime is unacceptable.
Core Advantages and Technical Highlights
Core Advantages and Technical HighlightsFlexible Channel Configuration:
Each of the 16 channels on the ABB DATX110 3ASC25H209 can be independently configured as digital input or output through the 800xA engineering tool. This eliminates the need to stock separate DI and DO modules, simplifies spares management, and allows last-minute design changes during commissioning—without rewiring or replacing hardware.
Each of the 16 channels on the ABB DATX110 3ASC25H209 can be independently configured as digital input or output through the 800xA engineering tool. This eliminates the need to stock separate DI and DO modules, simplifies spares management, and allows last-minute design changes during commissioning—without rewiring or replacing hardware.
Native Redundancy Integration:
When paired with a redundant CI854A/B base and dual AC 800M CPUs, the ABB DATX110 automatically synchronizes I/O states across both channels. In the event of a controller or bus failure, switchover occurs in <100 ms with no loss of signal integrity—critical for boiler protection, turbine control, or emergency shutdown systems.
When paired with a redundant CI854A/B base and dual AC 800M CPUs, the ABB DATX110 automatically synchronizes I/O states across both channels. In the event of a controller or bus failure, switchover occurs in <100 ms with no loss of signal integrity—critical for boiler protection, turbine control, or emergency shutdown systems.
Robust Industrial Design:
The ABB DATX110 3ASC25H209 features 500 VAC isolation between field wiring and the internal bus, protecting the controller from ground loops, surges, and EMI common in heavy-industrial environments. Its operating range (0–60°C) and conformal-coated PCB options (on request) ensure reliability in harsh conditions like offshore platforms or cement kilns.
The ABB DATX110 3ASC25H209 features 500 VAC isolation between field wiring and the internal bus, protecting the controller from ground loops, surges, and EMI common in heavy-industrial environments. Its operating range (0–60°C) and conformal-coated PCB options (on request) ensure reliability in harsh conditions like offshore platforms or cement kilns.
Seamless 800xA Ecosystem Compatibility:
The module is fully recognized in ABB’s Control Builder M and 800xA Aspect Server. Hardware diagnostics—including open-circuit detection, short-circuit alerts, and module presence—are reported directly to the operator workplace, enabling predictive maintenance and faster troubleshooting.
The module is fully recognized in ABB’s Control Builder M and 800xA Aspect Server. Hardware diagnostics—including open-circuit detection, short-circuit alerts, and module presence—are reported directly to the operator workplace, enabling predictive maintenance and faster troubleshooting.
Efficient Installation & Maintenance:
Field wiring connects via removable screw-terminal blocks compatible with TB850 standards. Technicians can de-energize and replace the ABB DATX110 without disturbing field cables—reducing mean time to repair (MTTR) during outages. LED indicators per channel provide immediate visual status for commissioning and diagnostics.
Field wiring connects via removable screw-terminal blocks compatible with TB850 standards. Technicians can de-energize and replace the ABB DATX110 without disturbing field cables—reducing mean time to repair (MTTR) during outages. LED indicators per channel provide immediate visual status for commissioning and diagnostics.
Typical Application Scenarios
The ABB DATX110 3ASC25H209 is widely deployed in continuous-process industries where system availability and signal reliability are paramount. In oil & gas refineries, it interfaces with emergency isolation valves and pump status sensors within a Safety Instrumented System (SIS) layered on the 800xA platform. Its redundancy capability ensures that a single bus fault doesn’t compromise plant-wide shutdown sequences.
In thermal and hydroelectric power plants, the ABB DATX110 handles boiler flame detection signals, generator breaker status, and cooling fan controls. The module’s fast response and diagnostic visibility help meet NERC compliance requirements by providing auditable I/O health data. Similarly, in pulp & paper mills, it manages dryer section interlocks and web-break detectors—environments where moisture and electrical noise challenge lesser I/O systems.
For legacy modernization projects, the ABB DATX110 offers a cost-effective path to extend the life of existing AC 800M installations. Rather than migrating entire control racks, operators can replace failed units with verified spares while retaining existing engineering logic, cabling, and operator graphics—preserving decades of operational knowledge embedded in the 800xA system.
Related Model Recommendations
Related Model Recommendations- ABB CI854A: Communication base required for DATX110; supports redundant optical link
- ABB TB850: Terminal block assembly compatible with DATX110 for field wiring
- ABB DATX120: Analog version (8-channel ±10 V / 4–20 mA); same form factor
- ABB DAIK01: Older S800-series digital input module; not directly interchangeable
- ABB DO810: Fixed 16-channel digital output module; non-configurable alternative
- ABB AC 800M PM864: Common controller CPU used with DATX110 in 800xA systems
- ABB 3BSE022460R1: Updated order code variant (if applicable); verify compatibility
Installation, Commissioning and Maintenance Instructions
Installation preparation:
The ABB DATX110 3ASC25H209 must be installed onto a powered-off CI854A or CI854B communication base in an ABB I/O rack. Ensure the base is securely mounted on a grounded DIN rail and that the optical or Profibus connection to the AC 800M CPU is verified. Use only ABB-approved TB850-style terminal blocks; mismatched blocks may damage the connector pins. Field wiring should use shielded, twisted-pair cable with shield grounded at the controller end only. Confirm 24 VDC power supply meets ripple and voltage tolerance specs before energizing.
The ABB DATX110 3ASC25H209 must be installed onto a powered-off CI854A or CI854B communication base in an ABB I/O rack. Ensure the base is securely mounted on a grounded DIN rail and that the optical or Profibus connection to the AC 800M CPU is verified. Use only ABB-approved TB850-style terminal blocks; mismatched blocks may damage the connector pins. Field wiring should use shielded, twisted-pair cable with shield grounded at the controller end only. Confirm 24 VDC power supply meets ripple and voltage tolerance specs before energizing.
Maintenance suggestions:
During routine checks, inspect the ABB DATX110 for overheating, loose terminals, or flickering channel LEDs—indicative of intermittent field faults. Use the 800xA diagnostics workspace to monitor I/O health; persistent “open circuit” alarms may signal broken field wiring rather than module failure. If replacement is needed, back up the I/O configuration first. The DATX110 itself contains no user-serviceable parts; failed units should be returned for professional testing or replaced with a verified spare. Always perform a loop check after installation to confirm signal direction and logic behavior match the application program.
During routine checks, inspect the ABB DATX110 for overheating, loose terminals, or flickering channel LEDs—indicative of intermittent field faults. Use the 800xA diagnostics workspace to monitor I/O health; persistent “open circuit” alarms may signal broken field wiring rather than module failure. If replacement is needed, back up the I/O configuration first. The DATX110 itself contains no user-serviceable parts; failed units should be returned for professional testing or replaced with a verified spare. Always perform a loop check after installation to confirm signal direction and logic behavior match the application program.
