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ABB TB820 3BSE008555R1 S800 I/O ModuleBus Cluster ModemABB TB820 3BSE008555R1 S800 I/O ModuleBus Cluster ModemABB TB820 3BSE008555R1 S800 I/O ModuleBus Cluster Modem
ABB TB820 3BSE008555R1 S800 I/O ModuleBus Cluster Modem
ABB TB820 3BSE008555R1 S800 I/O ModuleBus Cluster Modem
ABB TB820 3BSE008555R1 S800 I/O ModuleBus Cluster Modem

ABB TB820 3BSE008555R1 S800 I/O ModuleBus Cluster Modem


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PRODUCT SKU : TB820 3BSE008555R1

PRODUCT TYPE : Communication Modules

PRODUCT VENDOR : ABB


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

Description

The ABB TB820 is a ModuleBus Cluster Modem for the S800 I/O system, converting electrical signals to fiber optics for long-distance communication between I/O clusters. It provides full galvanic isolation, strong EMI immunity, and high-speed, deterministic performance, enabling reliable connection of remote I/O stations to an AC 800M controller in harsh industrial environments.

Specifications

  • Manufacturer: ABB

  • Model Number: TB820

  • Order Number: 3BSE008555R1

  • Product Type: ModuleBus Cluster Modem

  • Communication Media: Fiber Optic (ST Connectors)

  • Maximum Distance: 15m with Plastic Fiber (POF); up to 200m with HCS Fiber

  • Power Supply: 24V DC (nominal)

  • Current Consumption: 150 mA

  • Mounting: 35mm DIN Rail

  • Weight: 0.25 kg

  • Operating Temperature: 0 to +55°C

Features

  • Extended Networking: Allows for the expansion of a single controller’s ModuleBus to multiple remote clusters across a plant site.

  • Optical Isolation: Protects the controller and local bus from ground loops and electrical surges by providing physical separation via fiber optics.

  • EMI/RFI Immunity: Ensures reliable data exchange in areas with high electrical noise, such as near large motors or power switchgear.

  • Seamless Scalability: Supports the interconnection of up to seven clusters in a single system branch for flexible hardware distribution.

  • Hot-Swap Support: Facilitates system maintenance by allowing modules to be handled without disrupting the entire communication backbone.

  • Diagnostic Monitoring: Integrated front-panel LED indicators provide real-time status for power supply and bus activity to simplify troubleshooting.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




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