Parameters Parameter Specification Product Series Modicon M221 Logic Controller Device Type Compact PLC with Integrated I/O Commercial Reference TM221CE24U CPU Performance • Program Memory: 64 KB • Data Memory: 4 MB • Execution Speed: ~0.4 µs per Boolean instruction. Integrated I/O • Digital Inputs: 24 points, 24 V DC (sink/source). • Digital Outputs: 16 points, 24 V DC transistor outputs (sourcing - PNP). Communication Ports • 1 x Ethernet port (10/100 Mbps, Modbus TCP, EtherNet/IP adapter). • 1 x Serial port (RS-485, Modbus RTU master/slave, ASCII). Expansion Capability Supports up to 4 TM2/TM3 expansion modules for additional I/O (digital, analog, specialty). Programming Software EcoStruxure Machine Expert (formerly SoMachine Basic). Programming Languages Ladder Diagram (LD), Function Block Diagram (FBD), Instruction List (IL). Real-Time Clock Integrated (with supercapacitor backup). Power Supply 24 V DC (19.2 - 30 V DC). Power Consumption Typically 15-20 W (including I/O loads). Operating Temperature 0°C to +55°C. Storage Temperature -25°C to +70°C. Relative Humidity 10% to 95% (non-condensing). Protection Class IP20. Mounting DIN-rail mounting (35 mm). Dimensions (W x H x D) Approx. 175 mm x 110 mm x 81 mm. Certifications CE, UL, cUL, RoHS compliant.