Parameters Power & Supply Controller Type: Programmable Logic Controller (Modicon M221 series) Rated Supply Voltage: 100…240 V AC (85…264 V) Supply Frequency: 50/60 Hz Protection Rating: IP20 (industrial) Mounting: DIN‑rail (TH35) or panel mount (with fixing kit) I/O Configuration Total I/O Points: 16 integrated I/O Digital Inputs: 9 × 24 V DC (IEC 61131‑2 Type 1); 4 of these can also be high‑speed counters (HSC) (~100 kHz) Analog Inputs: 2 × 0…10 V DC (10‑bit resolution) Digital Outputs: 7 × relay outputs (NO) up to 2 A Discrete Output Voltage: 5…125 V DC & 5…250 V AC (relay) Communication Interfaces Ethernet Port: 10/100BASE‑TX with Modbus TCP/IP and basic Ethernet communication support USB: Mini‑B for programming with EcoStruxure Machine Expert Serial: RS232/RS485 via RJ45 socket (Modbus RTU/ASCII or SoMachine‑Network) Memory & Expansion User Application/Data RAM: ~256 kB Internal Flash: ~256 kB Optional SD Card: Up to ~2 GB for program backup/data logging I/O Expansion: Supports up to 4 local and 11 remote expansion modules Performance Fast Counting: High‑speed counters on designated inputs (up to ~100 kHz) PID Control: Built‑in support for multiple PID loops for process regulation Execution Speed: Fast logic execution suited for automation tasks Physical & Environmental Dimensions: ~95 mm (W) × 70 mm (D) × 90 mm (H) Weight: ~0.346 kg Operating Temperature: ~-10 °C to +55 °C Humidity: ~10–95 % non‑condensing Features & Highlights Integrated Ethernet simplifies networking and remote access. Mixed digital + analog I/O allows versatile sensing and control. Relay outputs support both AC and DC loads directly. Expandable architecture for larger systems.