ABB AI845 3BSE023675R1 Product Documentation

Product Introduction

The ABB AI845 3BSE023675R1 is a high-performance analog input module designed for industrial automation systems. It is part of ABB’s renowned 800xA series, offering reliable signal acquisition and processing for various industrial applications. This module is engineered to deliver precision, durability, and seamless integration with ABB’s control systems.

The AI845 module supports multiple analog input channels, enabling the measurement of voltage or current signals from sensors and transmitters. Its robust design ensures stable performance in harsh industrial environments, making it suitable for industries such as oil & gas, power generation, and chemical processing.

Product Advantages

1. High Accuracy – Provides precise signal measurement with minimal deviation.

2. Robust Construction – Designed to withstand industrial conditions, including high temperatures and electromagnetic interference.

3. Flexible Configuration – Supports multiple input types (voltage/current) and ranges.

4. Easy Integration – Compatible with ABB’s 800xA and other control systems.

5. Diagnostic Capabilities – Features built-in diagnostics for quick troubleshooting.

6. Scalability – Can be expanded with additional modules for larger systems.

Technical Specifications

Applications

The AI845 module is widely used in industries requiring precise analog signal acquisition, including:

• Oil & Gas – Monitoring pressure, temperature, and flow rates.

• Power Plants – Measuring voltage and current in control systems.

• Chemical Processing – Acquiring data from sensors in reactors and pipelines.

• Water Treatment – Controlling pH levels and flow measurements.

• Manufacturing – Integrating with PLCs for process automation.

Compatible & Recommended Models

The AI845 can be paired with the following ABB modules for a complete system solution:

1. AO845 (3BSE023676R1) – Analog output module.

2. DI845 (3BSE023677R1) – Digital input module.

3. DO845 (3BSE023678R1) – Digital output module.

4. CI854 (3BSE018105R1) – Communication interface module.

5. PM856 (3BSE018105R1) – Processor module.

6. SD823 (3BSE018105R1) – System power supply.

Installation Instructions

1. Mounting – Secure the module on a DIN rail or panel using the provided clips.

2. Wiring – Connect input signals according to the terminal assignments (refer to the manual for pinout details).

3. Power Supply – Ensure a stable 24V DC supply with proper grounding.

4. Configuration – Use ABB’s Control Builder or equivalent software to set input ranges and communication parameters.

5. Testing – Verify signal integrity and module response before full operation.

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FAQ (Frequently Asked Questions)

Q1: What is the maximum sampling rate of the AI845 module?
A1: The AI845 supports a sampling rate of 100 samples per second per channel.

Q2: Can the AI845 be used in hazardous environments?
A2: The module has an IP20 rating and is suitable for general industrial use but may require additional enclosures for hazardous areas.

Q3: How do I configure the input ranges?
A3: Input ranges are configured via ABB’s Control Builder software or equivalent configuration tools.

Q4: Is the AI845 compatible with third-party PLCs?
A4: Yes, it supports standard communication protocols like PROFIBUS and Modbus RTU for integration with third-party systems.

Q5: What is the operating temperature range?
A5: The module operates reliably between -20°C and +70°C.

Q6: How do I troubleshoot signal errors?
A6: Check wiring integrity, power supply stability, and use the built-in diagnostics for error detection.