ABB AI895 3BSC690086R1
ABB AI895 3BSC690086R1
ABB AI895 3BSC690086R1
ABB AI895 3BSC690086R1
ABB AI895 3BSC690086R1
ABB AI895 3BSC690086R1
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AI895 3BSC690086R1

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The ABB AI895 3BSC690086R1 analog input module is designed to address the critical challenges of signal transmission and field device diagnostics in explosive or hazardous industrial environments.
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Technical specifications for AI895 3BSC690086R1

  • Manufacturer:
    ABB
  • Part Number:
    AI895 3BSC690086R1
  • Product Family:
    ABB Advant OCS and Advant-800xA
  • Product Type:
    Analog Input Module
  • Input Signal Type:
    4...20 mA, single-ended
  • Intrinsic Safety:
    Yes, IS interface included
  • HART Protocol Support:
    Yes
  • Module Termination Unit:
    TU890 or TU891
  • Communication:
    Analog + HART digital overlay
  • Channel Configuration:
    Single-ended input per channel
  • Weight:
    0.3 kg
  • Estimated shipping dimensions:
    4.5x11.9x10.2cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Sweden
  • 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 Applications Monitoring & Control Diagnostics & Protection

Features:

  • Interface Between the 4...20mA Single-Ended Analog Input Signals and the AC 800M Controller Backplane
  • Integrates Intrinsic Safety Protection with HART Communication Protocol Support
  • Functions in Conjunction with the TU890 or TU891 Module Termination Units
The ABB AI895 3BSC690086R1 Analog Input Module serves as the 8-channel analog input interface in an AC 800M rack, providing safe and reliable signal acquisition for all field instruments connected to the system. It continuously receives 4...20mA single-ended current loop signals from hazardous area devices and processes these inputs through built-in Intrinsic Safety circuitry before transmitting the data via the rack backplane to support steady state operation of the controller and associated I/O modules. Seamless HART digital communication is standard with the AI895 3BSC690086R1, and using the HART protocol capability allows simultaneous analog process variable transmission and bidirectional digital device management without interrupting the primary control signal. The AI895 3BSC690086R1 has made improvements in several areas over previous analog input designs in addition to incorporating Intrinsic Safety interface and HART support within the AC 800M rack.

The ABB AI895 3BSC690086R1 Analog Input Module 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 process control system. One AI895 3BSC690086R1 module occupies a single slot in the rack and supports up to eight analog input channels. The AI895 3BSC690086R1 is always used in conjunction with the dedicated TU890 or TU891 Module Termination Unit, which provides the necessary wiring interface, connection infrastructure, and signal routing for the 4...20mA loops.

For applications requiring HART device management, the ABB AI895 3BSC690086R1 Analog Input Module enables full access to smart transmitter diagnostics, configuration parameters, and status information through the HART protocol superimposed on each analog channel. In addition to standard analog signal acquisition, the HART-enabled configuration also performs remote device parameterization. The AI895 3BSC690086R1 HART functionality executes communication using the internal circuitry specified in the module specifications. Using this method, the HART communication system continually monitors the health and status of connected field instruments. If the system detects that a connected device requires maintenance or calibration, it will automatically report the diagnostic information to the controller and place an event in the System Event List.

The AI895 3BSC690086R1 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 AI895 3BSC690086R1 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 AI895 3BSC690086R1 Analog Input Module Specs

General

  • Manufacturer ABB
  • Model AI895 3BSC690086R1
  • Condition New Original ready stock
  • Product Family AI835 3BSE008520R1,AI845-EA 3BSE023675R2
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.
  • Oil & Gas Refineries: Connects to hazardous-area field sensors without external safety barriers.
  • Chemical Processing: Tracks real-time pressure, temperature, and fluid levels in explosive zones.
  • Water Treatment: Manages flow transmitters in corrosive chemical dosing environments.
  • Power Generation: Gathers analog signal data from critical fuel feed and boiler systems.
  • Loop Powering: Supplies a minimum of 15V at 20mA directly to 2-wire process transmitters.
  • HART Pass-Through: Enables remote digital device configuration and data calibration over the 4–20 mA loop.
  • Signal Integration: Accepts 8 independent, unipolar single-ended analog input currents.
  • High-Precision Conversion: Translates field signals accurately using an internal 12-bit A/D converter.
  • Intrinsic Safety: Provides integrated isolation for direct connection to Zone 0 and Class I, Division 1 areas.
  • Short Circuit Defense: Uses internal PTC resistors to protect the module against field wiring faults up to 30V.
  • Current Limitation: Caps transmitter supply current at 23mA to prevent hardware damage during overloads.
  • Galvanic Isolation: Features a 500V AC galvanic barrier between the channel group and the system ground.
  • Status Supervision: Generates immediate system alerts for open-circuit, under-scale, and over-scale loop errors.
Description
The ABB AI895 3BSC690086R1 is an analog input module specifically designed for industrial process control environments where safe and reliable signal acquisition is critical. This AI895 3BSC690086R1 is engineered to handle 8 channels of 4...20mA single-ended analog input signals, featuring built-in Intrinsic Safety (IS) protection and HART communication protocol support. It addresses the challenge of collecting process variable data from field instruments located in hazardous areas while maintaining seamless digital communication for device configuration and diagnostics.

The AI895 3BSC690086R1 is ideally suited for deployment in industries such as oil and gas, chemical processing, pharmaceuticals, and power generation, where process measurements from transmitters, positioners, and other field instruments must be acquired from hazardous locations. Its Intrinsic Safety design makes the AI895 3BSC690086R1 particularly valuable in Zone 0, Zone 1, and Zone 2 classified environments, enabling direct connection to IS-rated sensors and actuators while eliminating the need for additional external safety barriers in many applications.

For installation and system integration, the AI895 3BSC690086R1 must be used in conjunction with the dedicated Module Termination Unit TU890 or TU891, which provides the necessary wiring interface and connection infrastructure. Proper mounting of the AI895 3BSC690086R1 onto the appropriate termination unit ensures correct signal routing, grounding, and isolation compliance required for Intrinsic Safety circuits. System integrators should verify compatibility with the existing I/O rack configuration and ensure that the HART-enabled channels are properly addressed within the control system architecture to leverage full digital communication capabilities.

Alternative Names
AI895 3BSC690086R1 A1895 3BSC690086R1 AI895 3BSC69OO86R1 AI895 3BSC690086RI AI835 3BSE008520R1 AI845-EA 3BSE023675R2 AI890 3BSC690071R1
Technical notes
To ensure high-reliability data transmission and device management, the ABB AI895 3BSC690086R1 incorporates an Intrinsic Safety (IS) interface along with full HART communication capabilities. Each independent channel of the ABB AI895 3BSC690086R1 is capable of powering and monitoring two-wire process transmitters while simultaneously maintaining transparent HART pass-through communication.
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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.
Can the ABB AI895 3BSC690086R1 work with four-wire transmitters?
Yes, under specific wiring configurations, the ABB AI895 3BSC690086R1 can interface with four-wire transmitters while preserving its HART communication functionality.
What industrial problem does the ABB AI895 3BSC690086R1 solve?
The ABB AI895 3BSC690086R1 addresses the challenge of safely transmitting analog signals and diagnostic data in hazardous industrial environments. By integrating intrinsic safety barriers directly into each channel, it eliminates the need for additional external isolation hardware and reduces installation complexity.
What types of field devices can the ABB AI895 3BSC690086R1 monitor?
The ABB AI895 3BSC690086R1 can safely power and monitor Ex-certified pressure transmitters, temperature sensors, flow meters, and other HART-enabled process instruments installed in hazardous zones.
How does the ABB AI895 3BSC690086R1 simplify maintenance?
The module includes front-panel LED indicators for Fault, Run, and Warning status monitoring, allowing technicians to quickly identify operational issues and perform efficient troubleshooting.