ABB AI845-EA 3BSE023675R2
ABB AI845-EA 3BSE023675R2
ABB AI845-EA 3BSE023675R2
ABB AI845-EA 3BSE023675R2
ABB AI845-EA 3BSE023675R2
ABB AI845-EA 3BSE023675R2
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AI845-EA 3BSE023675R2

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The ABB AI845-EA 3BSE023675R2 is a 8-channel analog input module engineered for the S800 I/O system, supporting both single and redundant (S/R) configurations alongside advanced HART pass-through capabilities.
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Technical specifications for AI845-EA 3BSE023675R2

  • Manufacturer:
    ABB
  • Part Number:
    AI845-EA 3BSE023675R2
  • Product Family:
    ABB Advant OCS and Advant-800xA
  • Product Type:
    Analog Input Module
  • Stock:
    1
  • Channel Type:
    Analog Input (AI)
  • Number of Input Channels:
    8
  • Number of Output Channels:
    0
  • Configuration:
    Single-ended unipolar
  • Application:
    Single or redundant operation
  • Current Input Range:
    0...20 mA, 4...20 mA
  • Voltage Input Range:
    0...5 V, 1...5 V
  • Resolution:
    12-bit
  • Accuracy:
    0.1%
  • Input Impedance (Voltage):
    > 10 MΩ
  • Input Impedance (Current):
    250 Ω
  • Overvoltage / Undervoltage Withstand:
    ±11 V DC minimum
  • Weight:
    0.23 kg
  • Estimated shipping dimensions:
    4.5x11.9x10.2cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Swedsen
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Safety & Compliance Compatibility & Interoperability Use Cases

Features:

  • Interface Between Field Analog Instruments and AC 800M Controller Backplane
  • Integrates Capability of 8-Channel Analog Signal Acquisition with HART Protocol Communication
  • Functions in Conjunction with S800 I/O Modules and Standard ABB AC 800M Controllers
The ABB AI845-EA 3BSE023675R2 operates as the Analog Input S/R HART 8-channel module in a S800 I/O rack, providing reliable analog signal processing and HART device communication for all connected field instruments. It continuously converts incoming 4-20mA current signals or voltage signals from up to 8 channels and transmits this data through the rack backplane to support steady state operation of the control system. Seamless HART communication is standard with the AI845-EA 3BSE023675R2, enabling direct digital access to smart device parameters without requiring additional HART multiplexers.

The AI845-EA 3BSE023675R2 provides essential analog input functions common to the entire I/O station, and is a critical component of the measurement path, directly affecting the proper, normal operation of the overall control system. One or multiple AI845-EA 3BSE023675R2 modules can be installed per rack depending on the required channel count. The AI845-EA 3BSE023675R2 occupies a standard I/O slot in the rack and can be located in any available position within the S800 I/O configuration.

For expanded analog input applications, the S800 I/O system allows additional AI845-EA 3BSE023675R2 modules to be installed alongside other I/O modules. In addition to standard single module operation, the modular configuration also performs channel-level diagnostics. The S800 I/O system executes signal monitoring using the internal circuitry specified in the AI845-EA 3BSE023675R2 options.

The AI845-EA 3BSE023675R2 ABB Analog Input Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
ABB AI845-EA 3BSE023675R2 Analog Input Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
ABB AI845-EA 3BSE023675R2 Analog Input Module Specs

General

  • Manufacturer ABB
  • Model AI845-EA 3BSE023675R2
  • Condition New Original ready stock
  • Product Family AI835 3BSE008520R1,AI890 3BSC690071R1
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Electrical Isolation: Provides 50V rated groupwise galvanic isolation from ground to protect internal system logic.
  • Signal Protection: Features non-destructive overvoltage and undervoltage protection up to ±11 V DC.
  • Diagnostics: Monitors channel health, transmitter power faults, and hardware status via integrated LED indicators.
  • Certifications: Built according to standard international CE, UL, and CSA guidelines for industrial environments.
  • Signal Types: Configurable to accept standard process signals: 0 to 20 mA, 4 to 20 mA, 0 to 5 V, or 1 to 5 V DC.
  • Controllers: Integrates with ABB Advant OCS, AC 800M, and Freelance control systems.
  • HART Protocol: Supports smart field instruments up to HART revision 7.
  • Process Automation Monitoring: Captures critical variables like flow, pressure, temperature, and level measurements.
  • Asset Management: Extracts device parameters via HART to monitor field device health.
  • High-Availability Environments: Deployed in critical loops using redundant configurations to prevent system downtime.
  • Field Device Power: Provides built-in, current-limited power distribution directly to 2-wire or 3-wire transmitters.
Description
The ABB AI845-EA 3BSE023675R2 is an Analog Input S/R HART 8-channel module specifically designed for handling multi-channel analog signal acquisition and HART device communication in industrial process control systems. The AI845-EA 3BSE023675R2 addresses the challenge of integrating both standard 4-20mA analog signals and HART digital protocol data within a single I/O module, eliminating the need for separate HART multiplexers and reducing wiring complexity in distributed control systems.

The AI845-EA 3BSE023675R2 features 8 analog input channels with single-ended or differential (S/R) configuration support, enabling flexible adaptation to various sensor types including pressure transmitters, temperature sensors, flow meters, and level instruments. The AI845-EA 3BSE023675R2 incorporates high-precision A/D conversion circuitry to ensure accurate signal measurement, while its built-in HART modem functionality allows direct digital communication with smart field devices for secondary variable access, device configuration, and diagnostic information retrieval.

The AI845-EA 3BSE023675R2 is widely applied across multiple industrial sectors including oil and gas production, chemical processing, power generation, water and wastewater treatment, pharmaceutical manufacturing, and pulp and paper industries. In these applications, the AI845-EA 3BSE023675R2 serves as a critical interface between field instrumentation and the ABB AC 800M controller, enabling real-time process monitoring and advanced device management capabilities.
Alternative Names
AI845-EA 3BSE023675R2 A1845-EA 3BSE023675R2 AI845-EA 3BSEO23675R2 AI830 3BSE008518R1 AI835 3BSE008520R1 AI890 3BSC690071R1 AI895 3BSC690086R1
Technical notes
The AI845-EA 3BSE023675R2 module is designed for seamless connection with unipolar analog transmitters, providing high-precision current (0/4–20 mA) and voltage (0/1–5 V) data acquisition with 12-bit resolution. The AI845-EA 3BSE023675R2 integrates monitored and current-limited transmitter power supplies on all eight of its channels, ensuring reliable point-to-point field connections. It also features robust internal diagnostics and electrical isolation to maintain process data integrity in harsh industrial environments.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What problems does the ABB AI845-EA 3BSE023675R2 solve?
The module helps prevent process interruptions caused by signal failures or transmitter faults. Its support for redundant configurations and HART diagnostics improves system availability while enabling continuous monitoring of critical process variables.
How does the ABB AI845-EA 3BSE023675R2 improve system reliability?
The AI845-EA supports both single and redundant operating modes. In redundant systems, a backup module can immediately assume operation if the primary module fails, helping maintain continuous process control and reducing unplanned downtime.
What types of field devices can be connected to the ABB AI845-EA 3BSE023675R2?
The module is designed to interface with HART-compatible transmitters measuring pressure, temperature, flow, liquid level, and other process variables. It supports high-accuracy signal acquisition for demanding industrial environments.

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