Description
The ABB TU818 3BSE069209R1 is a 32-channel, 50V compact module termination unit (MTU) designed for the ABB S800 I/O system used in industrial automation applications. Here’s a breakdown of its functionalities, specifications, and where to find more information:
Function:
- The TU818 acts as an intermediary between the S800 I/O modules and the ModuleBus, a communication bus within the S800 system.
- It terminates the ModuleBus signal, preventing signal degradation along the bus as more modules are connected.
- It distributes the ModuleBus signal to up to 32 connected I/O modules.
- It provides connection points for field signals (sensor signals) (likely voltage levels up to 50V DC based on the model name).
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Specifications (based on available information):
- Number of Channels: 32 channels
- Voltage Rating: 50V DC
- Compatibility: Designed for the ABB S800 I/O system and ModuleBus communication protocol.
- Dimensions: Specific dimensions are difficult to find without a datasheet, but being a compact unit, it’s likely suitable for space-constrained industrial control cabinets.
Applications:
The TU818 is specifically used within the ABB S800 I/O system for industrial automation applications. It plays a crucial role in enabling communication between the S800 controller and various I/O modules like:
- Digital input/output modules (up to 32)
- Analog input modules (up to 16 due to the 32 channel configuration, assuming each channel can handle digital or analog signals)
- Specialty modules for temperature, pressure, or other signal types (limited by the 32 channel capacity)
Finding Information:
While ABB might not actively promote the TU818 anymore, here are some resources you can explore to learn more:
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ABB Website: Search for “TU818 3BSE069209R1” or the product code on the ABB websiteYou might find resources or links to archived product information for the MTU, although it might be limited.
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Datasheet and User Manuals: Look for the official datasheet and user manuals for the TU818. These documents provide detailed information about the unit’s functionalities, specifications, wiring diagrams, and configuration procedures. You can try searching ABB’s website or contacting their support for these documents.
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Online Retailers and Parts Suppliers: Several online retailers and industrial automation parts suppliers stock the TU818 or similar MTUs for the S800 system.
