ABB TB820V2 3BSE013208R0001

Technical Specifications

The technical parameters below define the electrical, optical, and physical characteristics of the standard TB820V2 configuration:

• Core Architecture:
  • Microprocessor: High-performance STM32F103C8T6 32-bit ARM Cortex-M3 microcontroller.
  • Processing Speed: Main frequency up to 72 MHz with high-speed signal processing capabilities.
  • Memory: Integrated Flash memory for program storage and data logging.
• Communication Interfaces:
  • Electrical Interface: Supports RS-485 and RS-232 serial communication standards.
  • Optical Interface: Fiber optic port for long-distance transmission (supports plastic, HCS, and glass fiber conversion).
  • Baud Rate: Supports high-speed transmission up to 115.2 kbps.
  • Protocol: Native support for Modbus communication protocol (Modbus RTU/ASCII).
• I/O Expansion Capability:
  • Electrical Bus: Can connect up to 12 I/O modules directly on the electrical module bus.
  • Optical Bus (Clusters): Supports connection of up to 7 clusters via the fiber optic module bus.
  • Fiber Length: Supports fiber optic cable lengths up to 1000 meters (star configuration) or 5000 meters (depending on the specific fiber type and converter used).
• Power Requirements:
  • Input Voltage: Wide range DC 5V to 24V (nominal 24V DC).
  • Output Power: Provides isolated power supply to connected I/O modules (typically DC 16V output).
  • Current Capacity: Maximum output current of 2A.
• Physical Characteristics:
  • Form Factor: Compact DIN-rail mounting module.
  • Dimensions: Standard industrial size (approx. 50mm x 50mm or similar compact footprint).
  • Weight: Lightweight design (approx. 40g to 0.5kg depending on housing).
  • Protection: Designed for indoor cabinet use (IP20 equivalent when mounted).
• Environmental Parameters:
  • Operating Temperature: -25°C to +70°C (standard industrial range).
  • Storage Temperature: -40°C to +85°C.
  • Humidity: 5% to 95% non-condensing.

Functional Features

• Dual-Bus Conversion:
  • Seamlessly converts signals between the electrical module bus (for local I/O) and the optical module bus (for remote clusters), allowing logical equivalence between different physical media.
• Fiber Optic Media Conversion:
  • Acts as a converter between plastic optical fiber (POF), Hard Clad Silica (HCS) fiber, and glass fiber (with ST connectors), providing flexibility in cabling infrastructure.3.
• Cluster Management:
  • Equipped with a rotary switch on the optical side to select the specific cluster number (ranging from 1 to 7), preventing address conflicts in multi-cluster systems.
• Isolation and Protection:
  • Provides galvanic isolation between the controller side and the field I/O side to protect sensitive electronics from ground loops and voltage spikes.
  • Includes electronic fusing and short-circuit protection for the power output.
• Intelligent Diagnostics:
  • Continuous self-monitoring of bus health, power status, and communication integrity.
  • Visual status indicators (LEDs) for power, communication activity, and fault alarms.
• High Reliability:
  • Utilizes high-quality industrial-grade components and rigorous aging tests to ensure stability in continuous 24/7 operation.
  • Mean Time Between Failures (MTBF) rated for high-availability systems.

Application Scenarios

The ABB TB820V2 is deployed across a wide spectrum of industries where distributed I/O and long-distance communication are required:

• Power Generation:
  • Thermal & Hydro Plants: Connecting turbine control I/O, generator excitation systems, and boiler instrumentation to the main DCS controller.
  • Substations: Remote I/O acquisition for breaker status, voltage monitoring, and protection relays.
  • Renewable Energy: Grid connection control for wind turbine pitch systems and solar inverter monitoring.
• Oil, Gas & Petrochemical:
  • Offshore Platforms: Long-distance communication between deck machinery control panels and remote valve actuators.
  • Refineries: Distributed control of distillation columns, pipelines, and loading arms where I/O points are spread over large areas.
• Water & Wastewater Treatment:
  • Pumping Stations: Remote monitoring of pump status, flow rates, and tank levels.
  • Desalination Plants: Control of reverse osmosis membranes and chemical dosing systems.
• Process Industry:
  • Pulp & Paper: Machine control for paper machines where sensors are distributed along long production lines.
  • Chemical & Pharmaceutical: Batch process control and reactor monitoring in hazardous environments.3.
• Infrastructure & Transportation:
  • Railways: Signal control for track switches, level crossing gates, and traction power supply monitoring.
  • Airports: Baggage handling system control and lighting/HVAC monitoring in large terminals.
• Manufacturing:
  • Automotive: Assembly line control for welders, conveyors, and robotic cells.
  • Packaging: High-speed synchronization of filling machines, capping heads, and labeling actuators.