Schneiderr Electric 140CPU43412A Modicon Quantum PLC CPU Module. High-Speed Processing: 66MHz 80486 processor with 0.12-0.585 microseconds logic execution speed. Extended Memory Capacity: 896 kB internal RAM expandable via memory card for backup logic and recipes. Long Battery Life: Built-in 3V lithium battery provides up to 10 years of data retention. Redundant System Support: Compatible with hot standby modules for seamless switchover within 50ms. Multi-Language Programming: Supports five IEC 61131-3 languages including Ladder Diagram and Structured Text. Extensive I/O Capacity: Supports up to 31,744 digital inputs/outputs and 1,984 analog channels. Versatile Communication: Features Modbus Plus, RS232, and slots for Ethernet, Profibus, and AS-Interface. OEM and ODM Support: Customized support available for OEM, ODM, and OBM requirements.