Siemens 6ES5188-3UA32 central rack

Product manual:

Siemens 6ES5188-3UA32 is a central rack module in the SIMATIC S5 series, typically used in S5-135U and S5-155U PLC systems. This central rack provides physical installation locations and electrical connections for various PLC modules, such as CPU modules, input/output modules, communication modules, etc., ensuring that the modules of the entire system can work efficiently together.
Main features:
Module type: Central Rack
Compatibility: Suitable for Siemens SIMATIC S5-135U and S5-155U series PLC systems.
Slot Count: This rack provides multiple module slots for installing various modules in the PLC system, such as CPU, I/O modules, communication modules, etc.
Electrical connection: The central rack provides power and data communication lines for each module, ensuring stable connections and efficient communication between modules.
Modular design: allows for the selection of different module combinations based on specific needs, enabling the system to be flexibly expanded.
Function and purpose:
Modular system design: The central rack, as the core part of the PLC system, provides physical and electrical support,

allowing users to flexibly add or replace different modules according to their actual needs.
Communication and Power Supply: The rack provides power and communication bus for each module, ensuring the normal operation and efficient data exchange of modules within the system.
Scalability: The central rack can be connected to other expansion racks, further increasing the system's module capacity and functionality, making it suitable for complex automation tasks.

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