Schneider Electric SCP401 SY MAX is a Model 400 SY/MAX Class 8020 processor module used in Square D automation systems. The SCP-401 is a 5 VDC processor in the Model 400 family, offering 4 KB RAM and a versatile instruction set with support for digital and analog I/O modules, serial communications, and a real-time clock/calendar with memory backup. It targets industrial automation tasks such as machine sequencing and process control within SY/MAX 400 architectures, with typical current draw around 2.4 A at 5 VDC for operation and built-in security features for program protection.
