ABB TB820 Module Bus Cluster Modem
Description
ABB TB820 Module Bus Cluster Modem is a communication module for the ABB S800 I/O system, designed for industrial automation control. It enables data exchange between I/O modules and upper-level controllers or PLCs via industry-standard fieldbuses, with both electrical and optical ModuleBus interfaces that operate as a single logical bus.
| Specification | Value |
|---|---|
| Power Supply Voltage | 24V DC |
| Operating Temperature | 0 to 55 degrees Celsius |
| Mounting Method | Rail Mount |
| Protection Class | IP20 |
| Net Weight | 0.25 kilograms |
| Dimensions (L x W x H) | 122 mm x 58 mm x 170 mm |
Key Features:
- Equipped with 1 electrical ModuleBus interface (supports up to 12 I/O modules) and 2 optical ModuleBus ports (supports up to 7 clusters)
- Rotary switch for selecting optical ModuleBus cluster numbers 1 to 7
- Integrates ModuleBus and power supply monitoring functions, plus isolated power for I/O modules
- High anti-interference capability and long transmission distance via fiber optic communication
- Modular design for easy expansion and maintenance
Applications:
- Industrial automation control systems using ABB S800 I/O architecture
- Distributed I/O cluster deployments in process industries
- Systems requiring more than 12 I/O modules per station
Related Models:
- TB820V2
- TB820-2V2