Maintenance teams planning replacements for ELECTRIC-TM221CE40T frequently review Siemens PLC, Magelis HMI Software and Schneider M241 40 Io Transistor Npn to prevent downtime, checking availability and compatibility with existing systems.
Schneider TM221CE40T Programmable Logic Controller
The TM221CE40T from Schneider Electric is a compact and efficient PLC (Programmable Logic Controller) designed for precision control in modern automation systems.
| Brand | Schneider |
| Product Type | PLC - Programmable Logic Controller |
| Product | TM221CE40T |
Schneider TM221CE40T Programmable Logic Controller – Technical Specifications
| Specification | Value |
|---|---|
| Maximum leakage current | 0.1 mA for transistor output |
| Discrete output logic | Positive logic (source) |
| 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 | 4 A |
| Configurable filtering time | 0 ms for input3 ms for input12 ms for input |
| Power supply output current | 0.52 A 5 V for expansion bus0.3 A 24 V for expansion bus |
| Reset time | 1 s automatic reset |
| 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...Q15 |
| 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 | 0.456 kg |
| Discrete output number | 16 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 | 40 |
| 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 TM221CE40T Schneider Electric M221 PLC is built with robust hardware and superior electrical design to handle continuous operations in demanding environments. It operates on a 24 V DC supply with voltage limits between 20.4 and 28.8 V, ensuring stable performance even under fluctuating industrial power conditions. The controller features 16 transistor outputs (including 2 fast outputs for PWM/PLS control) and supports positive logic for accurate signal response. With response frequencies up to 100 kHz for high-speed tasks, engineers can easily manage motion and process control. It includes 40 discrete I/O points, allowing flexible machine integration, while the input impedance of 3.4 kΩ and fast response time ensure reliable signal detection. The unit offers advanced communication options — RS232, RS485, and Mini-USB ports — supporting Modbus master/slave protocols for easy connectivity. Its IP20 protection and shock resistance make it durable even in high-vibration environments. With a backup time of one year at 25 °C, compact size (70 mm depth, 0.456 kg net weight), and configurable input filtering (0 ms to 12 ms), the TM221CE40T ensures dependable control performance for long-term industrial use.
The TM221CE40T is ideal for automation applications such as packaging lines, bottling units, conveyor systems, and small process machines where precision and reliability are critical. Maintenance engineers appreciate its transistor outputs for faster switching, while integrators value its high-speed I/O and easy programming environment. This Schneider Electric M221 PLC simplifies troubleshooting with clear diagnostics, supports modular expansion for future upgrades, and can be seamlessly integrated into EcoStruxure Machine Expert software. Whether used in food processing, manufacturing, or training setups, the TM221CE40T helps engineers achieve consistent control and uptime, making it a trusted controller across industries.
For detailed documentation, users can access the tm221ce40t manual, tm221ce40t datasheet, and official Schneider tm221ce40t product resources for configuration and wiring information. The Schneider Electric M221 PLC family, including models like the Schneider Modicon M241 Transistor Controller, is well-known for energy efficiency, compact design, and industrial-grade reliability. Belonging to the trusted Modicon M221 series, it delivers the perfect balance of speed, flexibility, and reliability for industrial users. Schneider Electric, a global automation leader, has engineered this controller to help factories, OEMs, and machine builders achieve higher productivity with simplified programming and consistent performance across applications. The TM221CE40T continues to stand out as a proven PLC solution trusted by automation engineers worldwide.
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