A-B 1794-TB3S
The Allen-Bradley 1794 series is a compact Logix5000 series controller from Rockwell Automation that is widely used in industrial automation. This series module has the characteristics of modularity, flexibility and reliability, and can meet the needs of different users.
The 1794-TB3SA-B and 1794-TB3S modules belong to the 1794 series, but have slightly different functions.
1794-TB3SA-B module
Product name: Allen-Bradley Point I/O Base module
Product Description:
As the base module of the 1794 series, it provides power and communication interfaces for other I/O modules.
The module itself does not have input and output functions, and needs to be used with other I/O modules.
It is usually installed in the control cabinet and connected to other I/O modules to form a complete I/O system.
Main functions:
Supply power: Power the I/O module connected to it.
Provide a communication interface: communicate with the controller to realize data exchange.
Module 1794-TB3S
Product name: Allen-Bradley Point I/O Backplane
Product Description:
It is also the base module of the 1794 series, similar in function to the 1794-TB
3SA-B.
The main difference is that the 1794-TB3S module is usually used to extend the I/O system and can connect more I/O modules.
Main functions:
Supply power: Power the I/O module connected to it.
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