ABB AO2000 LS25 Product Introduction

Name: ABB | AO2000 LS25 | High performance analog output module
SKU: 18363
Price: 1066.00 USD
Availability: InStock

1. Product Description

The ABB AO2000 LS25 is a high-performance analog output module designed for industrial automation systems, serving as a critical interface between control systems and field devices. As part of ABB’s trusted AO2000 series, it is engineered to convert digital control signals from programmable logic controllers (PLCs) or distributed control systems (DCS) into precise analog outputs. This module ensures accurate and reliable signal transmission, making it suitable for regulating actuators, valves, and other analog-controlled equipment in demanding industrial environments where precision and stability are paramount.

2. Product Parameters

Parameter	Details
Output Type	Supports standard analog output signals, typically 4-20 mA current output and 0-10 V voltage output for versatile compatibility with field devices
Number of Channels	Equipped with multiple independent output channels (specifically 4 channels in standard configurations) for simultaneous control of multiple devices
Output Accuracy	High precision with a typical accuracy of ±0.1% of full scale, ensuring minimal deviation in signal transmission
Resolution	16-bit digital-to-analog conversion resolution, enabling fine adjustments and precise control over connected equipment
Update Rate	Fast output update rate, typically up to 10 ms per channel, ensuring real-time response to control system commands
Power Supply	Operates on a stable 24V DC power supply with a voltage tolerance range of ±10% to accommodate industrial power fluctuations
Isolation	Galvanic isolation between channels and from power supply (typically 2.5 kV AC for 1 minute) to prevent interference and enhance system safety

3. Product Specifications

Physical Dimensions: Compact design with dimensions optimized for rack mounting, typically measuring approximately 100 mm (width) × 160 mm (height) × 200 mm (depth) to fit standard industrial enclosures.

Mounting Method: Designed for DIN rail mounting or integration into ABB’s modular automation racks, ensuring secure installation and easy integration into existing control cabinets.

Environmental Ratings: Operates within a temperature range of -25°C to +70°C, with protection against humidity (up to 95% relative humidity, non-condensing) and electromagnetic interference (EMC compliance with IEC standards).

Operating Temperature Range: -25°C to +70°C (ambient), suitable for harsh industrial climates.

Storage Temperature Range: -40°C to +85°C, allowing for safe storage in extreme conditions during transportation or downtime.

4. Series

The AO2000 LS25 belongs to ABB’s AO2000 series of analog output modules. This series is part of ABB’s broader industrial automation product portfolio, known for its modular design, high reliability, and seamless integration with ABB’s PLCs, DCS, and other automation systems. The AO2000 series builds on ABB’s legacy of precision control, offering scalable solutions for various industrial signal conversion needs.

5. Features

High-Precision Signal Conversion: Utilizes 16-bit digital-to-analog conversion technology to deliver accurate analog outputs, ensuring precise control of connected actuators and valves.

Multi-Channel Design: With 4 independent output channels, it enables simultaneous control of multiple devices, reducing the need for multiple standalone modules and optimizing system space.

Galvanic Isolation: Provides robust isolation between channels and from the power supply, minimizing the impact of electrical noise and ground loops in industrial environments, thus enhancing signal integrity.

Fast Response Time: The fast output update rate ensures that changes in digital control signals are quickly converted to analog outputs, enabling real-time adjustment of field devices.

Diagnostic Capabilities: Equipped with built-in diagnostics to monitor output status, detect faults such as short circuits or overloading, and provide status indicators for easy troubleshooting.

Wide Compatibility: Supports standard analog output signals (4-20 mA, 0-10 V), making it compatible with a wide range of industrial actuators, valves, and other analog-controlled equipment.

6. Function

The primary function of the ABB AO2000 LS25 is to convert digital control signals received from PLCs, DCS, or other control systems into precise analog output signals. These analog signals are then used to regulate the operation of field devices such as control valves, variable speed drives, and actuators. By ensuring accurate signal conversion and transmission, the module enables precise control of industrial processes, maintaining desired parameters such as flow, pressure, temperature, and level within specified ranges.

7. Use

In industrial automation systems, the AO2000 LS25 is used to bridge the gap between digital control systems and analog field devices. For example, in a chemical processing plant, it converts digital commands from the DCS into 4-20 mA signals to control the opening of control valves, regulating the flow of chemicals into a reactor. In water treatment facilities, it adjusts the speed of pumps via analog signals to maintain consistent water pressure. It also finds application in regulating temperature in industrial ovens by controlling heating elements through analog outputs.

8. Application Fields

Chemical Processing: Used to control valves, pumps, and mixers in chemical production lines, ensuring precise regulation of flow rates, pressure, and chemical proportions to maintain product quality and process safety.

Water and Wastewater Treatment: Applied in water purification and distribution systems to control valves, pumps, and aeration equipment, regulating water flow, level, and treatment chemical dosing.

Power Generation: Integral to power plants (thermal, hydroelectric, and renewable energy) for controlling turbine governors, fuel valves, and cooling system actuators, ensuring stable power output and efficient operation.

Manufacturing: Utilized in manufacturing processes such as food and beverage production, automotive assembly, and pharmaceutical manufacturing to control conveyor speeds, heating/cooling systems, and robotic actuators, maintaining process consistency.

Oil and Gas Industry: Deployed in upstream and downstream operations to control valves in pipelines, separators, and storage tanks, regulating the flow of oil, gas, and other hydrocarbons with high precision.

Metallurgy: Used in steel and metal processing plants to control furnace temperatures, rolling mill speed, and material handling equipment, ensuring precise control over production processes and product quality.