Is the TB811 the same as 3BSE008568R1?

Yes. TB811 is the ABB product name and 3BSE008568R1 is the full catalog part number. Both refer to the identical Modulebus Optical Port module.

Which ABB controllers is the TB811 compatible with?

The TB811 is designed for use with ABB AC 800M series controllers within the S800 I/O distributed I/O system.

Can I use the TB811 in a System 800xA environment?

Yes. The S800 I/O platform, including the TB811, is fully supported within ABB System 800xA DCS architectures.

Do you supply new or refurbished units?

We supply both new-in-box and tested surplus units. Condition is clearly stated in the quotation.

What is the lead time for the ABB TB811?

Lead time varies by stock availability. Submit an RFQ and we will confirm within 1 business day.

Do you provide export documentation?

Yes. We provide commercial invoice, packing list, and certificate of origin for all international shipments.

Genuine ABB TB811 3BSE008568R1 S800 I/O - Industrial Automation Part

ABB TB811 3BSE008568R1 S800 I/O - Front Panel and Connectivity View

ABB TB811 3BSE008568R1 S800 I/O - Technical Label and Specifications

ABB TB811 3BSE008568R1 Modulebus Optical Port | AC 800M S800 I/O

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Series: ABB AC 800M

SKU: TB811 3BSE008568R1 Category: ABB Tags: ABB, communication-module, Industrial Automation, S800 I/O, TB811 3BSE008568R1

Description

ABB TB811 3BSE008568R1 Modulebus Optical Port – S800 I/O Communication Interface

Imagine a critical process control loop in a petrochemical plant or a high-speed paper machine suddenly losing communication between its AC 800M controller and the S800 I/O field modules. Without a reliable Modulebus interface, the entire distributed I/O network goes silent — operators lose visibility, safety interlocks may trip, and unplanned downtime costs mount by the minute. The ABB TB811 3BSE008568R1 Modulebus Optical Port is the fiber-optic communication backbone that prevents exactly this scenario, ensuring deterministic, noise-immune data exchange in the most demanding industrial environments.

The TB811 (part number 3BSE008568R1) occupies a pivotal position within ABB’s S800 I/O series — the industry-standard distributed I/O platform designed for seamless integration with the AC 800M Process Automation Controller. As a Modulebus Optical Port, it converts the electrical Modulebus signals to fiber-optic transmission, delivering galvanic isolation and immunity to electromagnetic interference across long cable runs. Deployed in thousands of installations across power generation, oil & gas, pulp & paper, and chemical processing worldwide, the TB811 is a cornerstone of ABB’s System 800xA and Freelance automation architectures.

Technical Specifications

Part Number: TB811 / 3BSE008568R1
Manufacturer: ABB
Product Series: S800 I/O
Compatible Controller: AC 800M
Function: Modulebus Optical Port (fiber-optic Modulebus interface)
Communication Interface: Modulebus (optical fiber)
Isolation: Galvanic isolation via fiber-optic link
Weight: Approx. 40 g
Compliance: CE marked; designed to IEC/EN industrial standards

Note: All specifications are based on ABB published documentation. Konmask.com does not fabricate or alter manufacturer specifications.

Key Features & Benefits

Fiber-Optic Modulebus: Eliminates ground loops and EMI susceptibility — critical in high-voltage switchgear rooms and variable-frequency drive environments.
Plug-and-Play Integration: Designed as a native S800 I/O component; no additional configuration hardware required for standard AC 800M topologies.
Extended Cable Reach: Fiber-optic links support longer distances than copper Modulebus, enabling flexible cabinet and field-panel layouts.
High Reliability: ABB’s S800 platform is engineered for 24/7 continuous operation in process industries with MTBF figures exceeding industry averages.
Compact Form Factor: Mounts directly on S800 I/O rail; minimal footprint preserves cabinet space.
System 800xA Compatible: Fully supported within ABB’s System 800xA DCS and Freelance controller environments.

Industry & Equipment Applications

Oil & Gas: Offshore platform DCS, pipeline SCADA, compressor control panels
Power Generation: Turbine control systems, boiler management, substation automation
Pulp & Paper: Machine drive coordination, stock preparation, winder control
Chemical & Petrochemical: Reactor management, distillation column control, safety instrumented systems
Water & Wastewater: Pump station automation, SCADA integration
Metals & Mining: Rolling mill drives, conveyor systems, smelter process control

System Integration & Compatible Parts

The TB811 3BSE008568R1 is designed to work within the following ABB ecosystem components:

Controllers: ABB AC 800M (PM851, PM856, PM860, PM861, PM864, PM866 series)
I/O Modules: S800 I/O modules (AI810, AO810, DI810, DO810, DI811, AI820, etc.)
I/O Bases: TB820, TB840, TB845 terminal bases
Related Communication Modules: CI854, CI857, CI858, CI860 fieldbus interfaces
DCS Platform: ABB System 800xA, Freelance 800F

When sourcing replacement or expansion parts, always cross-reference the 3BSE008568R1 part number to ensure hardware revision compatibility with your existing S800 I/O cluster.

Our Quality Assurance Process

Source Verification: All units are sourced from authorized ABB distributors or verified surplus channels with full traceability documentation.
Visual & Functional Inspection: Each TB811 undergoes physical inspection for connector integrity, label authenticity, and housing condition before dispatch.
Anti-Static Packaging: Shipped in ESD-safe packaging with moisture barrier bags to protect sensitive optical components.
Documentation: Certificate of conformity and test records available upon request for critical process applications.

How to Order

Submit an inquiry via the Contact / RFQ form on this page or email [email protected].
Provide your required quantity, delivery timeline, and destination country.
Our team will respond within 1 business day with availability, lead time, and a formal quotation.
Upon PO confirmation, we arrange secure packaging and international freight (DHL / FedEx / UPS / sea freight).

Why Choose Konmask.com?

✅ Industrial Automation Specialists: Focused exclusively on PLC, DCS, and automation hardware — not a generalist marketplace.
✅ Global B2B Supply: Serving engineering firms, system integrators, and MRO teams across 50+ countries.
✅ Fast Inquiry Response: Dedicated technical sales team responds within 24 hours.
✅ Competitive Pricing: Direct sourcing relationships enable cost-effective pricing for both single units and bulk orders.
✅ Secure International Shipping: Full export documentation, commercial invoice, and packing list provided for customs clearance.

Frequently Asked Questions

Q: Is the TB811 the same as 3BSE008568R1?: A: Yes. TB811 is the ABB product name and 3BSE008568R1 is the full catalog part number. Both refer to the identical Modulebus Optical Port module.
Q: Which ABB controllers is the TB811 compatible with?: A: The TB811 is designed for use with ABB AC 800M series controllers within the S800 I/O distributed I/O system.
Q: Can I use the TB811 in a System 800xA environment?: A: Yes. The S800 I/O platform, including the TB811, is fully supported within ABB System 800xA DCS architectures.
Q: Do you supply new or refurbished units?: A: We supply both new-in-box and tested surplus units. Condition is clearly stated in the quotation. Contact us to specify your preference.
Q: What is the lead time for the ABB TB811?: A: Lead time varies by stock availability. Submit an RFQ and we will confirm within 1 business day.
Q: Do you provide export documentation?: A: Yes. We provide commercial invoice, packing list, and certificate of origin for all international shipments.