Xiamen Xingruijia Import and Export Co., Ltd. has been specializing in the sales of industrial control equipment spare parts for 20 years. For more ABB models, please refer to the product list . If you need other brands or models, please contact us. We have a variety of brands and models in stock, and we can purchase difficult to order models for you. We look forward to your inquiry!!!

First hand source//affordable price//Spot inventory!

•Shipping Port: Xiamen

•E-mail: sales7@saulplc.com

•Tel/WhatsApp/Wechat: + 86-15359273796

•Ship to you via Fedex/DHL/TNT/UPS/EMS

•Package: Original packing with cartons

ABB AI815

The ABB AI815 (3BSE052604R1) is an 8-channel analog input module belonging to ABB’s S800 I/O system. It is designed to acquire analog signals from industrial field instruments and transmit measurement data to a compatible process controller for monitoring, control, and automation.

The AI815 supports configurable current or voltage inputs, including standard 0–20 mA, 4–20 mA, 0–5 V, and 1–5 V DC signals. It also supports HART pass-through communication, allowing compatible smart field transmitters to exchange HART data through the analog signal wiring.

With built-in transmitter power distribution, channel diagnostics, and group isolation from ground, the AI815 is suitable for process automation systems in power generation, chemical processing, water treatment, and other industrial applications.

2. Technical Parameters

The AI815 must be configured for either voltage or current measurement; these signal types cannot be mixed on the same module. Specifications are based on ABB's S800 I/O product documentation.

3. Product Features

3.1 Eight-Channel Analog Signal Acquisition

The AI815 provides eight analog input channels for collecting signals from industrial transmitters and measurement devices. Its compact channel configuration supports efficient integration into process control systems.

3.2 Flexible Voltage and Current Inputs

The module supports common industrial analog signal ranges, including 4–20 mA and 0–10 V alternatives are not supported by this model's specified ranges. Its supported voltage ranges are 0–5 V and 1–5 V DC, while current ranges are 0–20 mA and 4–20 mA.

3.3 HART Communication Support

HART pass-through enables compatible smart field instruments to exchange digital diagnostic and configuration information through supported analog signal circuits. This helps maintenance personnel access additional instrument information without requiring a separate communication connection for every transmitter.

3.4 Integrated Transmitter Power Distribution

The AI815 provides current-limited transmitter power distribution for compatible two-wire and three-wire instruments. The supply is monitored to help detect power-related faults and support reliable field-instrument operation.

3.5 Isolation and Signal Protection

The module's input group is isolated from ground, helping reduce the effects of ground potential differences in industrial installations. Its input circuits are designed to withstand specified overvoltage and undervoltage conditions, subject to the manufacturer's limits.

3.6 Diagnostic and Maintenance Functions

Front-panel fault, run, and warning indicators help operators identify module status. Internal monitoring functions can detect specified errors involving analog readback, reference voltage, internal power, memory, watchdog, and transmitter supply conditions.

4. Structural Composition

The ABB AI815 consists of several principal functional sections:

• Analog Input Channels: Receive voltage or current signals from connected field instruments.

• Signal Conditioning Circuitry: Adapts incoming signals to the selected measurement range.

• Analog-to-Digital Conversion Circuit: Converts measured analog signals into digital values for controller processing.

• HART Pass-Through Interface: Supports communication with compatible HART field transmitters.

• Transmitter Power Distribution Circuit: Supplies current-limited power to compatible field instruments.

• Isolation Circuitry: Provides group isolation between the input circuits and ground.

• Diagnostic Circuitry: Monitors module operation and identifies specified internal and external channel faults.

• Module Bus Interface: Transfers process data, configuration information, and diagnostic status to the S800 I/O controller interface.

• Terminal Unit Interface: Connects the module to compatible S800 termination units and field wiring.

5. Application Fields

Power Generation

Collects analog measurements from compatible pressure, flow, temperature-transmitter interfaces, and other plant instrumentation used in auxiliary and process-control systems.

Chemical and Petrochemical Processing

Monitors process variables through compatible analog transmitters and supports HART-enabled instrument diagnostics.

Water and Wastewater Treatment

Acquires signals from flow meters, pressure transmitters, and level-measurement instruments used in pumping, filtration, and water-treatment processes.

Industrial Manufacturing

Provides analog data acquisition for automated production equipment, process machinery, and PLC-based monitoring systems.

Oil and Gas Facilities

Supports measurement acquisition from compatible field transmitters used in process monitoring and industrial control applications. Hazardous-area suitability depends on the complete installation and applicable certifications.

Distributed Process Control

Integrates with ABB S800 I/O architectures to collect field data and deliver it to compatible control systems for supervision, alarms, and automatic process regulation.

6. Conclusion

The ABB AI815, part number 3BSE052604R1, is an 8-channel analog input module designed for ABB S800 I/O systems. Its 12-bit resolution, selectable current and voltage ranges, HART pass-through capability, transmitter power distribution, and diagnostic functions make it suitable for industrial process measurement and automation.