Many engineers reviewing Schneider ELECTRIC-TM221C16U also explore Siemens PLC, Magelis HMI Software and Schneider M241 40 Io Transistor Npn, ensuring they don’t miss strong alternatives before finalizing procurement decisions.
Schneider TM221C16U Programmable Logic Controller
The TM221C16U from Schneider Electric is a reliable PLC (Programmable Logic Controller) designed to deliver precision control and long-term performance in industrial automation systems.
| Brand | Schneider |
| Product Type | PLC - Programmable Logic Controller |
| Product | TM221C16U |
Schneider TM221C16U Programmable Logic Controller – Technical Specifications
| Specification | Value |
|---|---|
| Maximum leakage current | 0.1 mA for transistor output |
| Discrete output logic | Negative logic (sink) |
| Minimum load | - |
| Conversion time | 1 ms per channel + 1 controller cycle time for analogue input analog input |
| Ambient air temperature for storage | -25…70 °C |
| Pollution degree | <= 2 |
| Maximum current per output common | 3.5 A |
| Configurable filtering time | 0 ms for input3 ms for input12 ms for input |
| Power supply output current | 0.325 A 5 V for expansion bus0.15 A 24 V for expansion bus |
| Reset time | - |
| Discrete output voltage | 24 V DC |
| Discrete output type | Transistor |
| Switching frequency | - |
| Output frequency | 100 kHz for fast output (PWM/PLS mode) at Q0...Q15 kHz for output at Q2...Q30.1 kHz for output at Q4...Q6 |
| Backup time | 1 year at 25 °C (by interruption of power supply) |
| Maximum power consumption in VA | - |
| IP degree of protection | IP20 with protective cover in place |
| [Us] rated supply voltage | 24 V DC |
| Transmission rate | 1.2...115.2 kbit/s (115.2 kbit/s by default) for bus length of 15 m for RS4851.2...115.2 kbit/s (115.2 kbit/s by default) for bus length of 3 m for RS232480 Mbit/s for USB |
| Input impedance | 3.4 kOhm for discrete input100 kOhm for analog input4.9 kOhm for fast input |
| Range of product | Modicon M221 |
| Net weight | 0.558 kg |
| Discrete output number | 7 transistor 2 fast output |
| Discrete input current | 7 mA for discrete input5 mA for fast input |
| Supply voltage limits | 20.4…28.8 V |
| Depth | 70 mm |
| Discrete I/O number | 16 |
| Electrical connection | removable screw terminal block for inputs removable screw terminal block for outputs terminal block, 3 terminal(s) for connecting the 24 V DC power supply connector, 4 terminal(s) for analogue inputsMini B USB 2.0 connector for a programming terminal |
The TM221C16U Schneider Modicon M221 NPN Controller operates on a 24 V DC rated supply and supports a wide voltage range between 20.4 to 28.8 V. It features 7 transistor outputs and 2 fast outputs with negative logic (sink) configuration for reliable switching in fast-paced automation tasks. Each output delivers a maximum current of 3.5 A, making it suitable for controlling solenoids, valves, and sensors with stable response. The controller achieves a 100 kHz fast output frequency in PWM/PLS mode, ensuring smooth synchronization for motion and timing operations. With a conversion time of 1 ms per channel and configurable input filtering at 0, 3, or 12 ms, the TM221C16U PLC ensures precise signal processing even under electrical noise. Connectivity options include RS232, RS485, and USB 2.0 ports for Modbus communication, enabling seamless integration with HMIs, drives, and other automation devices. Built for durability, it supports ambient temperatures from –25°C to 70°C and altitudes up to 2000 m, all within a compact 70 mm depth and IP20 protection for industrial reliability.
The Schneider Electric TM221C16U PLC is widely used in packaging lines, material handling systems, assembly machinery, and conveyor automation where precise timing and high-speed switching are essential. Engineers prefer its NPN transistor output configuration for compatibility with sensors and external circuits that require current sinking control. The controller’s integration with EcoStruxure Machine Expert software simplifies programming, monitoring, and expansion, making it ideal for scalable automation projects. Whether used in compact machines or distributed systems, the TM221C16U offers unmatched control accuracy and operational stability. As part of the renowned Modicon M221 series, this Schneider Modicon M221 NPN Controller provides efficient logic processing, compact design, and robust connectivity—ideal for OEMs, machine builders, and plant engineers.
For detailed setup information, refer to the official TM221C16U Datasheet and TM221C16U Manual. Buyers seeking current TM221C16U Price or availability can consult authorized Schneider vendors for quotations. The Schneider TM221C16U combines speed, efficiency, and robust communication capabilities, earning its reputation as one of the most dependable controllers in the Modicon M221 lineup.
Related Products
