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Schneider Electric 140CPU11303 Programmable Logic Controller
Schneider Electric 140CPU11303 Programmable Logic Controller
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Description:
The Schneider Electric 140CPU11303 is an Intel 80186‑based Concept processor that serves as the central CPU in a Modicon Quantum rack, enabling the run of ladder logic and Modbus networking in industrial automation systems. It includes 512 KB of RAM, 16 KB of user logic and 10 KB of registers, plus one Modbus Plus port and two Modbus RS‑232 interfaces for serial communication. The CPU operates at 20 MHz, delivering the performance expected of Quantum concept modules. Schneider Electric lists this model as discontinued as of June 16, 2025, with Modicon M580 identified as the recommended replacement for modern installations.
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