Product Overview:
The Mitsubishi A1CPUP21 is a high-performance Central Processing Unit (CPU) module meticulously engineered for the robust MELSEC-A series programmable logic controllers (PLCs). As the core intelligence of an industrial automation system, this module is responsible for executing complex control programs, managing vast amounts of data, and orchestrating seamless communication between various input/output (I/O) modules, intelligent function modules, and peripheral devices. Designed to meet the rigorous demands of modern manufacturing and process control environments, the A1CPUP21 offers exceptional processing speed, substantial memory capacity, and reliable communication capabilities. It stands as an ideal solution for upgrading, expanding, or maintaining existing MELSEC-A systems, ensuring enhanced operational efficiency, system stability, and long-term reliability for critical industrial applications across diverse sectors. Its proven architecture provides a dependable foundation for precise and efficient automation.

 
Technical Specifications:

Part Number: A1CPUP21
Alternate Part Number: A1CPUP21
Series: MELSEC-A
Product Type: Central Processing Unit (CPU) Module
Program Memory Capacity: 20K steps
I/O Points Handled: Up to 4096 points (depending on system configuration)
Programming Language: Ladder Diagram (LD), Sequential Function Chart (SFC)
Scan Time: Typically 0.75 to 1.5 microseconds/instruction (varies with program complexity)
Power Supply: 5VDC (supplied via backplane from base unit)
Current Consumption: Approximately 0.3A @ 5VDC
Operating Temperature: 0 to 55°C (32 to 131°F)
Storage Temperature: -20 to 75°C (-4 to 167°F)
Relative Humidity: 10 to 90% RH, non-condensing
Isolation Method: Photo-coupler isolation between CPU and I/O bus
Weight: Approximately 0.3 kg (0.66 lbs)
Mounting Type: Backplane slot mount (A-series base unit)