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Product Overview
The ABB TB811 3BSE008568R1 is an optical interface module designed for the AC 800M series within the ABB 800xA control system. It enables high-speed, reliable fiber optic communication between control units and system components.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ABB |
| Product Code | TB811 |
| Part Number | 3BSE008568R1 |
| Type | Modulebus Optical Port |
| Communication Medium | Fiber Optic |
| Application | Modulebus interface |
| Dimensions (W x H x D) | 75 x 250 x 45 mm |
| Weight | 0.04 kg |
| Mounting Type | DIN Rail |
| Bus Interface | Redundant Modulebus |
| Connection Type | Optical connectors |
| Compatible Controller | AC 800M series |
| Protection Class | IP20 |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | -40 °C to +70 °C |
Applications
-
Modulebus extension via fiber optics
-
Distributed control systems using AC 800M
-
Noise-sensitive environments requiring EMI immunity
-
Redundant communication setups in process industries
Advantages
-
Enables robust, long-distance optical communication
-
Supports high system availability through redundancy
-
Lightweight and compact, easy to integrate
-
Designed specifically for ABB’s 800xA platform
FAQ
Q1: What is the main function of the TB811?
A1: It provides a fiber optic communication interface for ABB’s Modulebus in the 800xA system.
Q2: Is TB811 compatible with third-party systems?
A2: No, it is engineered for use with ABB’s AC 800M controllers.
Q3: Does TB811 support redundancy?
A3: Yes, it supports redundant Modulebus communication paths.
Q4: What type of cable is used?
A4: It uses fiber optic cables with standard optical connectors.
Q5: How is the module mounted?
A5: It is DIN-rail mounted inside industrial cabinets.
Q6: Can it be used outdoors?
A6: No, it has IP20 protection and is intended for indoor use.
Q7: What’s the typical communication range?
A7: It depends on fiber type but can typically reach several kilometers.
Q8: Does it offer diagnostic indicators?
A8: Yes, it includes basic LEDs for status and activity.
Q9: How does the module respond to fiber failure?
A9: In redundant setups, it automatically switches to the alternate fiber.
Q10: Is hot-swapping allowed?
A10: No, power should be off before removal or replacement.
Related ABB Series Models
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| TB810 | Basic Modulebus Optical Port | 75 x 250 x 45 | 0.04 |
| TB820V2 | Module Termination Unit | 75 x 250 x 45 | 0.05 |
| TU840 | Termination Unit for High-Density IO | 75 x 250 x 45 | 0.07 |
| TU841 | Compact Termination Unit | 75 x 250 x 45 | 0.06 |
| TU860 | Redundant Termination Unit | 75 x 250 x 45 | 0.07 |
| TU890 | FCI Termination Unit | 75 x 250 x 45 | 0.05 |
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|---|---|---|---|
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