TU838 | ABB S800 | MTU 16 I/O channels
Description
TU838 ABB S800 MTU is a passive module terminal unit (MTU) belonging to the ABB S800 I/O series, designed to provide process connection terminals and ModuleBus connectivity for remote I/O systems using the Profibus DP V1 communication standard. It enables seamless integration with ABB drive equipment and supports remote configuration and diagnostics via the bus.
| Specification | Value |
|---|---|
| Number of I/O Channels | 16 |
| Operating Temperature | Up to 55 degrees Celsius |
| Communication Standard | Profibus DP V1 |
| Bus Connectivity | ModuleBus with integrated pin and socket for automatic connection |
| Installation Type | DIN rail mountable |
| Cluster Support | Up to 12 I/O modules per cluster; max 24 modules per I/O station |
Key Features:
- Passive base design with process connection terminals and ModuleBus integration
- Supports redundant Profibus media and Profibus interface units, with automatic bus media monitoring, fault reporting, and switchover
- Modular structure allows scalable integration from small to large systems, with easy future expansion
- Enables remote field integration to reduce hardware, cable, and installation costs
- Hardware self-diagnosis capabilities to minimize downtime
- Supports hot-swapping of compatible S800 I/O modules without system power shutdown
- Code lock mechanism prevents incorrect module insertion; verifies electrical ID at startup
Applications:
- Remote I/O systems in industrial automation and control systems
- Integration with ABB drive equipment for minimized communication delay
- Process industries requiring scalable, reliable I/O connectivity
- Redundant control environments needing fault-tolerant bus communication
Related Models:
- TU810K01
- TU830V1
- TU833
- TU837V1
- TU839
- TU842