

The Schneider Electric Modicon M221 logic controller, specifically the TM221C16R, is engineered for high-performance automation in industrial environments. This compact controller combines a 16 I/O configuration with robust communication capabilities, including an embedded Ethernet port for Modbus TCP/IP and a serial port for Modbus Serial RS-485. Designed for ease of use, the TM221C16R supports programming via SoMachine Basic and offers a rich set of features such as a real-time clock, event-driven tasks, and high-speed counters. It is a cost-effective solution for applications like packaging, material handling, and building automation, ensuring reliable operation with a wide operating temperature range (-10°C to +55°C). Below is the detailed technical specification table for the TM221C16R.
| Specification | Details |
|---|---|
| Product Series | Modicon M221 |
| Model Reference | TM221C16R |
| Type | Compact Logic Controller |
| Number of I/O Points | 16 (9 Digital Inputs + 7 Relay Outputs) |
| Digital Inputs | 9 inputs, 24V DC, sink/source, type 1 (IEC 61131-2) |
| Digital Outputs | 7 relay outputs, 2A per channel (resistive), 30V DC / 250V AC max |
| Power Supply | 24V DC (20.4V to 28.8V), 0.3A typical |
| Communication Ports | 1 x Ethernet (Modbus TCP/IP, 10/100 Mbps), 1 x Serial RS-485 (Modbus Serial) |
| Programming Software | SoMachine Basic (IEC 61131-3: Ladder, FBD, ST) |
| Real-Time Clock | Yes, with battery backup |
| High-Speed Counters | 2 channels, up to 100 kHz |
| Memory | 128 kB program memory, 4 kB data memory |
| Operating Temperature | -10°C to +55°C (14°F to 131°F) |
| Storage Temperature | -40°C to +85°C (-40°F to 185°F) |
| Relative Humidity | 10% to 95% (non-condensing) |
| Protection Class | IP20 (enclosure) |
| Dimensions (H x W x D) | 90 mm x 70 mm x 60 mm (3.54 in x 2.76 in x 2.36 in) |
| Mounting | DIN rail (35 mm) or panel mount |
| Weight | 0.25 kg (0.55 lb) |
| Certifications | CE, UL, CSA, cULus |
| Standards | IEC 61131-2, EN 55022, EN 61000-6-2 |

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