Product Short Description
Product Description
The ABB TB806 3BSE008536R1 is a dedicated bus inlet adapter module designed for the ABB S800 I/O and Advant 800xA distributed control systems. It functions as a critical interface component that enables reliable extension of the Modulebus communication network using the TK801 extension cable. This module provides a robust D-sub 25 male connector to establish secure physical connections between distributed I/O units, controllers, and remote field devices. Engineered for industrial environments, it ensures stable, interference-free data transmission across extended system architectures, supporting scalable and flexible automation system design.
Description
Technical Specifications
Core Interface & Electrical Parameters
| Parameter | Specification |
|---|---|
| Product Type | Modulebus Extension Cable Adapter / Bus Inlet Module |
| Connector Type | D-sub 25-pin, male connector |
| Compatible Cable | ABB TK801 extension cable (one adapter required per cable) |
| Power Supply | 24 V DC (system bus-powered) |
| Power Consumption | Minimal, passive component (no active power draw) |
| Communication Standard | ABB Modulebus (S800 I/O system bus) |
Physical & Environmental Specifications
| Parameter | Specification |
|---|---|
| Dimensions | 22 mm (Width) × 109 mm (Height) × 25 mm (Depth) |
| Weight | Approx. 0.046 kg (46 grams) |
| Mounting | DIN-rail mountable (standard industrial control panel installation) |
| Operating Temperature | -40 °C to +70 °C |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 10% – 95% RH (non-condensing) |
| Protection Class | IP20 (indoor use only) |
| EMC Compliance | IEC 61000 (industrial electromagnetic compatibility standards) |
| Certifications | CE marking, ABB factory quality assurance |
Core Functions & Features
1. Reliable Bus Extension
- Seamless Network Expansion: Facilitates the extension of the Modulebus communication link, enabling the placement of I/O modules at greater distances from the main controller cabinet.
- Secure Physical Connection: Provides a robust D-sub 25 male interface for the TK801 cable, ensuring a stable and vibration-resistant connection in industrial environments.
- Passive Operation: Functions as a passive adapter with no active electronics, eliminating points of failure and ensuring high reliability.
- System Compatibility: Fully compatible with all ABB S800 I/O modules and Advant 800xA controllers, maintaining full system functionality across extended networks.
2. Industrial-Grade Design
- Extreme Temperature Resistance: Operates reliably in a wide temperature range from -40 °C to +70 °C, suitable for harsh industrial environments.
- Vibration & Shock Resilience: Rugged construction withstands industrial vibration and mechanical shocks, ensuring continuous operation.
- Compact Form Factor: Space-saving design optimizes control panel layout and allows for dense module packing.
- DIN-Rail Mounting: Standard DIN-rail installation enables quick and easy integration into standard control cabinets.
3. System Integration & Scalability
- Plug-and-Play Installation: Simple, tool-free installation with no configuration required, reducing setup time and complexity.
- Supports Distributed I/O: Enables the implementation of distributed I/O architectures, bringing control closer to field sensors and actuators.
- Reduces Cabling Costs: Extends the communication bus, minimizing the need for long, expensive home-run cables from field devices to the main control room.
- Modular System Support: Integrates seamlessly with the modular S800 I/O system, supporting future system expansions and modifications.
Application Scenarios
- Process Automation Plants: Used in chemical, petrochemical, and pharmaceutical facilities to extend the control network for distributed process I/O modules.
- Power Generation & Distribution: Extends communication in power plants and substations for remote monitoring and control of generator and switchgear I/O.
- Oil & Gas Facilities: Deployed in refineries, offshore platforms, and pipeline stations for reliable bus extension in hazardous and remote locations.
- Manufacturing & Assembly Lines: Integrates with PLC-based automation systems to connect remote I/O stations on large production floors.
- Water & Wastewater Treatment: Extends the control network for pump stations, filter beds, and remote monitoring points in water management systems.
- Mining & Metals: Provides robust bus extension for heavy industrial processes in mining operations and metal production facilities.
- Marine & Offshore: Used on vessels and offshore rigs for reliable communication between bridge control systems and engine room I/O modules.
Unique Advantages
- Zero Configuration: Passive design requires no software setup or configuration, ensuring instant, error-free operation.
- Maximum Reliability: No active components mean a Mean Time Between Failures (MTBF) equivalent to the system cable, offering exceptional long-term reliability.
- Cost-Effective Scalability: Low-cost component that enables significant system expansion without major infrastructure investment.
- Proven Compatibility: Backed by ABB’s quality assurance, ensuring flawless interoperability with the entire S800 I/O and 800xA product range.
- Simplified Maintenance: Minimal design reduces maintenance requirements and simplifies troubleshooting in the field.







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