ABB 3ASC25H209 DATX110 – Advanced Analog Input Module for Industrial Control Systems

1. Application Overview

The ABB 3ASC25H209 DATX110 is an Analog Input Module specifically designed for ABB’s AC800M and related control systems, serving as a vital component for collecting and processing analog signals in distributed automation networks. This module converts sensor input signals into high-precision digital data for process control, making it indispensable in power generation, oil & gas, water treatment, and manufacturing automation.

Engineered for reliability and real-time performance, the DATX110 ensures accurate data transmission, minimal signal drift, and superior noise immunity — all critical factors in high-demand industrial environments.

2. Features and Advantages

8 or 16 independent analog input channels for versatile configurations

Supports a wide range of input types: current (0–20 mA, 4–20 mA), voltage (0–10 V), and thermocouples

High accuracy and fast response for dynamic process control

Integrated signal filtering and isolation for noise suppression

Hot-swappable design – no need to shut down the system for replacement

Compact DIN-rail mounting for easy integration

Extended temperature operation and long service life

Full compatibility with ABB’s AC800M controller family

3. Technical Specifications

The parameters below summarize the key performance indicators of the ABB 3ASC25H209 DATX110 module:

Input Channels: 16 (individually isolated)

Input Signal Types: 0–10 V, ±10 V, 0–20 mA, 4–20 mA

Resolution: 16-bit ADC

Accuracy: ±0.1% of full scale

Sampling Rate: Up to 1000 samples per second per channel

Input Impedance: >250 kΩ (voltage mode), <250 Ω (current mode)

Operating Voltage: 24 V DC nominal

Power Consumption: Approx. 3 W

Temperature Range: -25°C to +70°C

Communication Interface: Internal I/O bus (for AC800M)

Mounting: DIN-rail or baseplate

Certifications: CE, RoHS, and UL compliant

4. Structure & Design

The DATX110 is built using ABB’s advanced modular architecture. It includes:

Signal Input Section – Receives field analog signals from transmitters or sensors.

Conversion Circuit – Converts analog signals to digital using a 16-bit high-precision ADC.

Isolation Barrier – Provides galvanic isolation between field inputs and the control system.

Communication Interface – Transfers processed data to the controller via the internal bus.

Protective Enclosure – Shielded plastic housing offering protection from dust, vibration, and electrical interference.

Its modular construction allows quick installation and replacement, ensuring maximum uptime in industrial operations.

5. Installation and Maintenance

Mounting: Use ABB-certified DIN rails or baseplates to ensure stability.

Wiring: Employ twisted-pair shielded cables for analog signals to prevent interference.

Commissioning: Verify channel configuration via ABB’s Control Builder software before startup.

Maintenance: Inspect terminal screws periodically for tightness; clean terminals using non-conductive brushes.

Safety: Disconnect the power supply before any hardware replacement or wiring modification.

Regular inspection and proper cable management significantly extend the module’s service life.

6. Typical Industrial Applications

Power generation control and monitoring

Petrochemical and refinery automation

Water and wastewater treatment systems

HVAC and energy management systems

Paper, pulp, and textile manufacturing

Precision process industries requiring analog signal acquisition

7. Additional Information

The ABB 3ASC25H209 DATX110 plays a critical role in achieving accurate process measurement and real-time control within ABB’s industrial automation ecosystem. Its combination of robust performance, modular flexibility, and precision sensing makes it a cornerstone in smart industrial infrastructure.