The Modicon M221 is a versatile and compact programmable logic controller (PLC) designed to simplify control and automation in hardwired architectures. It combines powerful performance, extensive connectivity options, and easy installation, making it an ideal choice for machine control applications.

Key Features:

1. Wide Input/Output Capacity:

   • Discrete Inputs: 24 (Conforms to IEC 61131-2 Type 1).
   • Discrete Outputs: 16 relay outputs, normally open.
   • Analog Inputs: 2 (0–10V).
   • Total Discrete I/O: 40.

2. High Voltage and Current Support:

   • Input Voltage Range: 100–240V AC.
   • Output Voltage Range: 5–125V DC and 5–250V AC.
   • Output Current: 2A per output.

3. Memory and Processing Capabilities:

   • RAM: 256KB for internal variables, user applications, and data storage.
   • Flash Memory: Built-in 256KB.
   • SD Card Support: Up to 2GB.

4. Connectivity:

   • USB Port: Mini B USB 2.0 for programming and debugging.
   • Serial Ports: RJ45 connectors supporting RS232/RS485 interfaces.
   • Ethernet Port: RJ45 for network integration.

5. Expandability:

   • Supports up to 7 local I/O expansion modules and 14 remote I/O modules for larger architectures.

6. Standards and Certifications:

   • Certified by CE, IACS E10, RCM, ABS, LR, DNV-GL, CSA, EAC, and CULus.
   • Complies with standards EN/IEC 60664-1, EN/IEC 61131-2, and EN/IEC 61010-2-201.

7. Durability and Installation:

   • Rated IP20 for industrial environments.
   • Compact dimensions: 160mm (W) x 70mm (D) x 90mm (H).
   • Lightweight: 0.456kg.
   • Mounting: DIN rail compatible.

8. Programming and Software:

   • Intuitive programming with SoMachine Basic software.
   • Includes ready-to-use applications and function blocks for quick implementation.