ABB AI835 3BSE008520R1 Analog Input Module

SKU ABB AI835 3BSE008520R1

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12-month warranty
Free returns within 30 days

Manufacturer: ABB
Product No.: ABB AI835 3BSE008520R1
Country of origin:Sweden
Product Type: Analog Input Module
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 240g
Dimensions: 4.5 x 10.5 x 11.8 cm
Shipping port: Xiamen
Warranty: 12 months

Description

The ABB AI835 3BSE008520R1 is an 8-channel analog input module designed specifically for the ABB S800 I/O distributed modular system. It functions as a high-precision interface for acquiring thermocouple and millivolt signals, converting raw analog field measurements into digital values for downstream processing in ABB distributed control systems such as System 800xA.

Mounted on a modular DIN rail base plate, the AI835 integrates directly into S800 I/O stations communicating via ModuleBus. It supports hot-swapping functionality to allow replacement under power without interrupting active process control loops, reducing downtime during maintenance cycles.

Features

8 input channels configured for thermocouple (TC) and millivolt (mV) measurement types
Supports cold junction compensation (CJC) via terminal units equipped with temperature sensors
Hot-swappable architecture for online module replacement without system shutdown
ModuleBus communication interface for connection to S800 cluster adapters and controller nodes
Galvanic isolation between field inputs, logic, and power distribution rails
Configurable filtering and diagnostic reporting for open-circuit detection

Applications

High-accuracy temperature acquisition in chemical and petrochemical reactors
Thermocouple signal processing in power generation boiler and turbine monitoring
Millivolt transducer data collection in continuous process manufacturing lines
Distributed I/O expansion in ABB System 800xA process automation architectures

Technical Specifications

Parameter	Specification
Manufacturer	ABB
Product Series	S800 I/O
Catalog Number / Model	AI835 / 3BSE008520R1
Module Type	Analog Input Module (Thermocouple / mV)
Number of Channels	8 channels
Input Types	Thermocouple (B, C, E, J, K, N, R, S, T) and mV (-150 mV to +150 mV)
Communication Protocol	ModuleBus
Hot Swap Support	Yes
Redundancy	No (Single configuration)
Operating Temperature	0 degC to +55 degC
Country of Origin	Sweden

Compliance and Certifications

CE compliant
RoHS compliant
hazardous location certifications per S800 system specifications

FAQ

What control systems are compatible with the ABB AI835 3BSE008520R1?

The AI835 module is designed for the ABB S800 I/O platform, integrating directly with ABB DCS architectures such as System 800xA via ModuleBus communication.

What input signal types does the AI835 support?

The module accepts thermocouple inputs across standard types (such as B, E, J, K, N, R, S, T) as well as low-level millivolt signals ranging from -150 mV to +150 mV.

Can the AI835 module be replaced while the system is powered?

Yes, the AI835 supports hot-swapping, allowing maintenance personnel to remove and replace the unit on an active S800 base plate without shutting down the entire control rack.

How is cold junction compensation handled for thermocouple inputs?

Cold junction compensation is handled externally via dedicated S800 terminal units equipped with integrated temperature sensors matched to the channel pairs.

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Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

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TECHNICAL SPECIFICATIONS

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