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ABB 3BSE020848R1 Communication Module

Item NO.:
3BSE020848R1
Payment:
T/T
Price:
$3450
Product Origin:
Germany
Color:
NEW
Goods stock:
2
Product weight:
1.18KG
Lead Time:
in stock

- - ABB 3BSE020848R1 TU841 Termination Unit
    
    Product Overview
    
    The ABB 3BSE020848R1 is TU841 Module Termination Unit (MTU), not a communication module. It is a termination base unit used with ABB S800 I/O systems, specifically for connecting TB840/TB840A Optical ModuleBus Modems in a 1+1 redundant configuration.
    
    The TU841 provides electrical connections, power supply interface, and ModuleBus termination for ABB distributed I/O systems, supporting reliable communication between controllers and remote I/O clusters.
    
    Main Specifications
    
    Manufacturer: ABB
    
    Model: TU841
    
    Part Number: 3BSE020848R1
    
    Series: ABB S800 I/O
    
    Product Type:
    
    Module Termination Unit (MTU)
    
    I/O Base Unit
    
    ModuleBus Termination Unit
    
    Compatible Modules:
    
    ABB TB840 Optical ModuleBus Modem
    
    ABB TB840A Optical ModuleBus Modem
    
    Configuration: 1+1 TB840 support
    
    I/O Type: Non-redundant I/O support
    
    Power Supply: 24 VDC
    
    Mounting: DIN Rail mounting
    
    Included Components
    
    The ABB TU841 includes:
    
    1 × Power Supply Connector
    
    1 × TB807 ModuleBus Terminator
    
    Technical Functions
    
    The TU841 provides:
    
    Mechanical mounting for S800 I/O communication modules
    
    Connection between TB840/TB840A and S800 I/O system
    
    ModuleBus signal termination
    
    Power distribution connection
    
    Reliable installation of redundant communication components
    
    Working principle:
    
    ABB Controller → Optical ModuleBus → TB840/TB840A → TU841 MTU → S800 I/O Modules
    
    Features & Advantages
    
    Original ABB S800 I/O accessory
    
    Designed for industrial process automation systems
    
    Provides secure module connection and termination
    
    Supports ABB redundant communication architecture
    
    DIN rail installation for easy cabinet integration
    
    Improves system reliability and maintenance efficiency
    
    Applications
    
    Used in:
    
    ABB System 800xA DCS
    
    ABB S800 I/O distributed control systems
    
    Power generation plants
    
    Oil & gas facilities
    
    Chemical processing systems
    
    Water treatment plants
    
    Industrial process automation
    
    Typical applications:
    
    Remote I/O expansion
    
    Optical ModuleBus communication systems
    
    DCS cabinet integration
    
    Compatible Equipment
    
    Commonly used with:
    
    ABB TB840 Optical ModuleBus Modem
    
    ABB TB840A Optical ModuleBus Modem
    
    ABB S800 I/O modules
    
    ABB AC 800M controllers
    
    Important Notes
    
    3BSE020848R1 is not a standalone communication module.
    
    It is a passive termination/base unit (MTU).
    
    Requires compatible ABB S800 I/O hardware.
    
    Confirm whether the system uses TB840 or TB840A before replacement.
    
    Verify redundant/non-redundant I/O configuration before installation.