Many engineers reviewing Schneider ELECTRIC-TM221CE40U 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 TM221CE40U Programmable Logic Controller
The TM221CE40U from Schneider Electric is a powerful PLC (Programmable Logic Controller) built under the trusted Modicon M221 series.
| Brand | Schneider |
| Product Type | PLC - Programmable Logic Controller |
| Product | TM221CE40U |
Schneider TM221CE40U 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 | 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 | - |
| Discrete output voltage | 24 V DC |
| Discrete output type | Transistor |
| Switching frequency | - |
| Output frequency | 0.1 kHz for output at Q4...Q15100 kHz for fast output (PWM/PLS mode) at Q0...Q3 |
| 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 | 0.78 kg |
| Discrete output number | 16 transistor 4 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 TM221CE40U Schneider PLC Modbus Communication controller is engineered for precise, high-speed control in industrial environments. It operates on a 24 V DC supply with voltage limits from 20.4 to 28.8 V, ensuring reliable operation under variable conditions. Equipped with 16 transistor outputs and 4 fast outputs supporting PWM/PLS mode up to 100 kHz, this PLC enables fast and accurate signal switching. Its 40 discrete I/O points allow for scalable system design, while configurable filtering times (0 ms, 3 ms, 12 ms) offer flexibility for noise-prone environments. The TM221CE40U includes RS232, RS485, and Mini USB 2.0 ports supporting Modbus master/slave protocols for seamless integration with industrial communication networks. The unit’s IP20 protection, 0.78 kg net weight, and 70 mm compact depth ensure easy panel installation. It also provides 0.52 A 5 V and 0.3 A 24 V supply output currents for expansion modules, supporting additional hardware. With a backup time of one year at 25 °C and robust design rated for altitudes up to 2000 m, the TM221CE40U delivers stable, long-term operation for critical industrial tasks.
The TM221CE40U is widely used in industrial automation projects involving conveyors, bottling machines, packaging units, and smart material-handling systems. Maintenance engineers trust this PLC for its accurate transistor outputs and efficient Modbus communication, while system integrators value its simple wiring and easy programming. The Schneider PLC Modbus Communication architecture ensures smooth data transfer between devices, improving real-time control and reducing downtime. Engineering students and automation trainees can also use the TM221CE40U Schneider model to learn PLC programming, I/O configuration, and troubleshooting. Its consistent performance across small and medium automation setups makes it a dependable choice for both industrial and educational applications. Known for innovation and reliability, Schneider has designed this controller to meet the diverse automation needs of industries across India. The TM221CE40U Schneider PLC Modbus Communication system offers high-speed performance, flexible connectivity, and ease of programming — making it ideal for OEMs, panel builders, and automation engineers seeking compact yet powerful control solutions.
For more detailed insights, users can refer to the TM221CE40U manual and TM221CE40U datasheet to explore complete wiring diagrams and software configuration. The Schneider Electric TM221CE40U offers excellent connectivity options, making it compatible with other controllers in the Modicon M221 and Schneider Modicon M241 Transistor Controller range. Many automation professionals compare TM221CE40U price and specifications to evaluate system upgrades. Whether searching for tm221ce40u, tm221ce40u schneider, or schneider tm221ce40u online, this model remains a popular choice among engineers for dependable automation performance.
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