SCHNEIDER CPU21304

The SCHNEIDER 140CPU21304 is a core control processor (CPU) in the Schneider Electric Modicon Quantum series. Its main technical specifications are as follows:

Processor Architecture:

CPU Type: Modicon Quantum 140 Series
Processing Speed: Provides high-speed logic processing, suitable for complex control algorithms and real-time computation.

Memory and Storage:

Discrete Memory: Typically equipped with 64K bits of discrete memory for storing input/output states.
Logic Memory: 768K (or 768 KB) of logic memory for storing ladder logic programs and other control logic.
Mathematical Processing: Supports 1M (or 1 MB) of math memory, delivering strong data-processing capability.

Communication Capabilities:

Communication Interfaces: Supports multiple communication protocols, commonly including Modbus, Modbus Plus, Profibus, and Ethernet/IP (depending on system configuration).
Networking Capability: Supports configuration of 2–3 networks, enabling multi-station network interconnection.

Power Consumption:

Typical Power Consumption: Approximately 3 W, offering good energy efficiency.

2. Expansion and Compatibility

This CPU model is designed for seamless integration with various modules and systems in the Modicon Quantum family:

Remote I/O Support:

Supports connection of up to 31 drops of remote I/O modules.
Supports local I/O processing of up to 64 inputs and 64 outputs.

Main brand :

ABB Allen-Bradley Alstom Bently GE MOOG Schneider

Woodward HIMA Honeywell Emerson Foxboro

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