Triconex MP2101 S2 7400207-002 MP/IOP BACKPLANE

MP2101 is a baseboard model in the TRICONEX series. It forms a system with other TRICONEX modules and is widely used in the field of industrial automation, especially in control systems that require high reliability and stability. For example, in the production process control of industries such as petrochemicals, electric power, metallurgy, pharmaceuticals, and food processing, it can be used as a core component to build a stable and reliable automatic control system to achieve accurate monitoring and control of various parameters in the production process.

As a baseboard, the main function of MP2101 is to provide electrical connection and physical support for other modules, ensuring stable and reliable data transmission and communication between modules. It may have multiple slots or interfaces, which can be inserted with various functional modules, such as analog input and output modules, digital input and output modules, etc., to achieve different control functions of the system. Through the bus or communication lines on the baseboard, the modules can cooperate with each other to complete complex industrial control tasks together.

Three triplicated bus systems are etched on the chassis backplane: the TriBus, the I/O bus and the communication bus.

The TriBus consists of three independent serial links which operate at 25 megabits per second. The TriBus synchronizes the main processors at the beginning of a scan. Then each main processor sends its data to its upstream and downstream neighbors. The TriBus performs one of two functions with the data:

• Transfer of data only-for I/O, diagnostic and communication data.

• Comparing data and flagging disagreements- for the previous scan's output data and memory of user-written control program.

An important feature of the Tricon's fault-tolerant architecture is the use of a single transmitter to send data to both the upstream and downstream main processors. This ensures receipt of the same data by the upstream processor and downstream processor.

Each I/O module transfers signals to or from the field through its associated field termination assembly. Two positions in the chassis tie together as one logical slot. The first position holds the active I/O module and the second position holds the hot-spare I/O module. Termination cables are connected to the top of the backplane. Each connection extends from the termination module to both active and hot-spare I/O modules. Therefore, both the active module and the hot-spare module receive the same information from the field termination wiring.

 

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