1. Product Introduction

The ABB AI820 Analog Input Module is a high-performance input module within the S800 I/O system, designed for industrial automation applications requiring precise and reliable analog signal acquisition. It features four differential, bipolar current/voltage inputs, making it versatile for different signal types. The module ensures signal integrity through high-resolution 14-bit plus sign conversion and provides electrical isolation for safe operation in various environments.

This module is ideal for systems that require continuous monitoring and control of analog signals, particularly in process industries, power plants, and manufacturing automation systems. It supports a wide range of current and voltage signals and integrates seamlessly with ABB’s control systems, providing high accuracy, reliability, and ease of installation.

---

2. Technical Specifications

The following table presents the detailed specifications of the ABB AI820 Analog Input Module:

Parameter	Specification
Model Number	AI820
Part Number	3BSE008544R1
System Compatibility	S800 I/O System
Number of Channels	4
Input Type	Bipolar, Differential
Supported Signal Types	-20…+20 mA, 0…20 mA, 4…20 mA, -10…+10 V, 0…10 V, 2…10 V, -5…+5 V, 0…5 V, 1…5 V
Resolution	14-bit plus sign
Input Protection	Shunt resistors protected up to 30 V DC
Isolation	One group of 4 channels isolated from ground
Transmitter Power	External transmitter supply distribution available
Power Supply	Derived from 24V ModuleBus
Temperature Range (Operation)	-40°C to +70°C
Storage Temperature	-40°C to +85°C
Humidity	5% – 95% non-condensing
Dimensions (W x H x D)	45 x 102 x 119 mm
Weight	0.2 kg
Certifications	CE, UL, CSA, FM, ATEX

---

3. Applications

The ABB AI820 Analog Input Module is widely used in various industrial automation sectors due to its precision and reliability. Some of its primary applications include:

1. Process Control Systems – Used in industries such as oil & gas, chemical processing, and pharmaceuticals for precise data acquisition and monitoring.
2. Power Generation – Essential for monitoring analog signals from turbines, generators, and substations in thermal, nuclear, and renewable energy plants.
3. Manufacturing Automation – Used in PLC and DCS systems to process signals from sensors, flow meters, and pressure transmitters.
4. Water and Wastewater Treatment – Ideal for monitoring flow rates, pH levels, and chemical dosages in treatment plants.
5. HVAC Systems – Provides real-time monitoring of temperature, humidity, and airflow in building automation systems.
6. Food and Beverage Industry – Ensures accurate measurement of liquid levels, temperature, and pressure in production lines.

---

4. Product Advantages

The ABB AI820 provides multiple advantages that make it a preferred choice for industrial applications:

✅ Wide Input Range – Supports multiple analog input signal types, including voltage and current, ensuring compatibility with various sensors.

✅ High Accuracy & Resolution – With 14-bit resolution plus sign, it ensures precise data acquisition for control systems.

✅ Robust Electrical Protection – The 30V DC input protection prevents accidental damage, increasing the module’s longevity.

✅ Integrated Transmitter Power Distribution – Simplifies wiring for 2-wire transmitters by eliminating the need for external power connections.

✅ Industrial-Grade Durability – Operates in harsh environments (-40°C to +70°C) with high resistance to humidity and vibrations.

✅ Compact and Lightweight – With a 45 x 102 x 119 mm footprint and weighing only 0.2 kg, it saves space in control cabinets.

✅ Seamless Integration – Works efficiently with ABB S800 I/O systems and ABB control platforms, reducing setup complexity.

✅ Reliable Ground Isolation – Enhances system stability by isolating the 4 channels from ground and reducing signal interference.

✅ Regulatory Compliance – Certified under CE, UL, CSA, FM, and ATEX, making it suitable for global industrial standards.

✅ Low Power Consumption – Draws power efficiently from the 24V ModuleBus, optimizing energy usage.

---

5. Latest Product Reports

Here are the latest industry reports and news featuring the ABB AI820 and related automation technologies:

📌 “ABB Expands Industrial Automation Portfolio with Enhanced S800 I/O Modules” – A report on ABB’s continuous advancements in I/O module technology.

📌 “Improving Process Efficiency: The Role of ABB’s AI820 Analog Input Module” – A case study on how the AI820 module has optimized performance in a chemical plant.

📌 “Next-Generation Industrial Control: ABB S800 I/O System in Smart Factories” – An in-depth look at ABB’s I/O solutions driving Industry 4.0 innovations.

---

6. Recommended Related Models (S800 I/O Series and Compatible Products)

Model	Description
AI810	8-channel analog input module
AI815	8-channel high-speed analog input module
AI825	8-channel HART-compatible input module
AO810	8-channel analog output module
AO815	8-channel high-performance analog output module
DI810	16-channel digital input module
DI820	16-channel digital input module with 24V DC compatibility
DO810	16-channel digital output module
DO820	16-channel relay digital output module
TU830	Extended MTU for S800 I/O modules

---

7. Recommended Popular ABB Models

Model	Description
AC800M	High-performance PLC controller
PM866	Redundant controller module for power applications
CI854	PROFIBUS DP communication module
CI867	PROFINET communication interface
AC500	Modular PLC for industrial automation
AI895	16-channel analog input module
AO895	16-channel analog output module
TU810	Compact Terminal Unit for S800 I/O
TU850	Extended Terminal Unit with enhanced wiring capabilities
S900	Remote I/O system for hazardous environments