ABB AI820 3BSE008544R1 Analog Input Module

Product Introduction

The ABB AI820 3BSE008544R1 is a high-performance analog input module designed for integration into ABB’s Advant Controller 31 and AC 800M automation systems. It serves as a crucial interface for reading analog signals from various field devices such as transmitters and sensors, converting them into digital values that can be interpreted by the controller. The module supports 4 to 20 mA input signals and is engineered with robust design considerations to ensure long-term stability and accuracy.

This module is widely implemented in distributed control systems (DCS) across numerous industries including oil and gas, chemical, power generation, water treatment, and manufacturing. Built to support advanced diagnostic capabilities and high signal integrity, the AI820 enhances automation system efficiency and provides seamless integration into industrial control environments.

Product Advantages

• High Signal Integrity: Offers accurate and noise-resistant signal acquisition for 4–20 mA current loop signals.

• Built-in Transmitter Power Supply: Eliminates the need for separate power sources for field devices, reducing wiring complexity and cost.

• Compact and Modular: Slim form factor ensures efficient use of cabinet space and simplifies maintenance and expansion.

• Plug-and-Play Compatibility: Designed for direct integration into ABB’s AC 800M and Advant Control systems, supporting effortless configuration.

• LED Indicators: Diagnostic LEDs provide real-time status and fault indication for quick troubleshooting.

• High Isolation: Channel-to-channel and channel-to-ground isolation improves system reliability and minimizes interference.

Technical Specifications

Product Applications

The ABB AI820 is widely employed in industrial environments that demand precise analog data acquisition. Typical applications include:

• Process Automation: Accurate analog input for temperature, pressure, level, and flow transmitters in DCS environments.

• Power Generation: Integration with monitoring systems in turbines, boilers, and transformers.

• Oil & Gas: Supervisory control of extraction, refining, and distribution processes.

• Water and Wastewater Management: Monitoring tank levels, flow rates, and chemical concentrations.

• Chemical and Pharmaceutical Plants: Handling sensitive analog inputs for chemical dosing systems.

Compatible Modules and Systems

The AI820 3BSE008544R1 is typically used in conjunction with the following ABB modules:

• CI854A (3BSE030220R1) – PROFIBUS DP communication interface

• PM864AK01 (3BSE018161R1) – Main controller for AC 800M

• DO810 (3BSE008510R1) – Digital output module for actuator control

• DI810 (3BSE008508R1) – Digital input module for discrete sensors

• TU830V1 (3BSE013234R1) – Terminal unit for AI820 connection

• SD821 (3BSE008546R1) – Shield distributor for grounding and noise reduction

These components ensure a seamless and modular setup within ABB control environments.

Installation Instructions

1. Preparation:

   • Ensure all power is disconnected.

   • Verify compatibility with the controller and terminal unit.

2. Mounting:

   • Secure the module on a DIN rail or panel using the locking mechanism.

   • Maintain proper clearance for ventilation.

3. Wiring:

   • Use shielded twisted-pair cables for all analog signal connections.

   • Connect sensors to the respective terminal points on the TU830V1.

4. Power Supply:

   • Apply 24V DC power supply to the module via the system power bus.

5. Configuration:

   • Configure the channel parameters using ABB Control Builder software.

   • Assign scaling, range, and diagnostic thresholds as per process requirements.

6. Verification:

   • Power on the system.

   • Check the diagnostic LEDs and system diagnostics in the control software.

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Frequently Asked Questions (FAQ)

Q1: What is the primary function of the ABB AI820?
A1: The AI820 serves as an analog input module that converts 4–20 mA signals from field instruments into digital signals for processing by the ABB control system.

Q2: Can the AI820 provide power to field transmitters?
A2: Yes, it includes an internal transmitter power supply, which simplifies wiring and reduces the need for external power sources.

Q3: What kind of isolation does the module provide?
A3: The AI820 offers channel-to-channel and channel-to-ground galvanic isolation, enhancing noise immunity and system safety.

Q4: Is the AI820 compatible with HART communication?
A4: No, the AI820 does not support HART. For HART functionality, ABB recommends using AI835 or AI845 models.

Q5: Can this module be used in harsh environments?
A5: Yes, the module operates in temperatures ranging from -25°C to +70°C and is designed to withstand high humidity and industrial conditions.

Q6: How is the AI820 configured after installation?
A6: Configuration is done using ABB’s Control Builder software, where users can assign scaling, alarm limits, and channel-specific settings.