TM258LD42DT Schneider Electric
Series: Modicon M258 Series.
Type: Programmable control
Installation method: symmetrical DIN rail installation
Protection level: IP20 conforms to IEC61131-2


Processor: High-performance 32-bit processor
Working temperature: 0℃~55℃
Humidity range: Maximum 95% relative humidity (no condensation)
Weight: 0.5kg
Product Features
The Schneider TM258LD42DT is a high-performance programmable logic controller (PLC) designed for industrial automation applications. Part of the Modicon M258 series, this compact device offers 42 integrated I/O points, including 10 fast inputs and 4 fast outputs, making it ideal for tasks requiring precise timing and rapid response. With a dual-core CPU that executes Boolean instructions at 22 nanoseconds per cycle, it ensures smooth operation even in complex systems, handling over 45,000 instructions per second.
Equipped with multiple communication ports-including Ethernet, CANopen, USB, and RS485-the TM258LD42DT easily connects to HMIs, drives, and other industrial devices. Its built-in Web server and FTP server enable remote monitoring and data logging, enhancing system efficiency and troubleshooting capabilities. The PLC supports protocols like Modbus TCP/IP and Modbus RTU, ensuring compatibility with a wide range of automation setups.
Featuring a modular design, the TM258LD42DT allows seamless expansion using Schneider's TM5 modules, accommodating additional I/O, analog signals, or specialized functions. This flexibility makes it suitable for diverse industries, from packaging and material handling to energy management and water treatment. The controller's compact size (175mm x 85mm x 99mm) and IP20 rating ensure reliable performance in harsh industrial environments, operating efficiently between 0°C to 55°C.
Certified to CE, CSA, and UL standards, the TM258LD42DT meets international safety requirements. Its removable terminal blocks and user-friendly interface simplify installation and maintenance, reducing downtime. Whether optimizing production lines or controlling critical processes, this PLC delivers the speed, reliability, and scalability needed for modern industrial automation. With its advanced features and proven durability, the Schneider TM258LD42DT is a trusted choice for OEMs and system integrators worldwide.
Application Areas
In packing lines, the TM258LD42DT ensures efficient and dependable operation. Its 10 fast inputs and 4 fast outputs (up to 200 kHz) operate high-speed labeling machines, filling systems, and conveyor belts, reducing downtime and increasing production rates. For example, in food packaging, it synchronizes the movement of packing materials with product flow, resulting in accurate sealing and labeling. The PLC's dual-core CPU (22 nanoseconds per Boolean command) tackles difficult operations like sorting and quality inspection, and its Ethernet and CANopen ports allow for real-time monitoring through integration with HMIs and robotic arms.
In automotive and electronics production, the TM258LD42DT is essential in assembly operations. Its modular design enables extension using TM5 modules for extra I/O, analog signals, or specialized applications like as motion control. For example, it manages robotic assembly arms in automobile manufacturing, assuring exact part placement and welding. The PLC's Web and FTP servers allow for remote diagnostics, minimizing maintenance time. It connects smoothly with factory-wide systems, improving overall equipment efficiency (OEE).
The TM258LD42DT is perfect for monitoring and optimizing energy use in smart grids and renewable energy applications. Its analog inputs (4 channels) and PWM outputs operate solar panel inverters and wind turbine systems, changing power output to real-time conditions. It manages HVAC systems in industrial settings, decreasing energy loss by up to 30%. The PLC's data logging capability monitors energy use patterns, assisting organizations in meeting their sustainability goals. For example, in a manufacturing facility, it balances power distribution between production lines and energy storage devices.
The TM258LD42DT guarantees that pumps, filters, and disinfection systems in water treatment plants run reliably. Its IP20-rated construction withstands extreme conditions, while CANopen connectivity allows for communication with sensors and actuators across huge facilities. The PID control on the PLC manages water flow and chemical dosing to ensure that environmental regulations are met. For example, it analyzes pH levels during wastewater treatment and changes chemical injection in real time. The replaceable terminal blocks make maintenance easier, saving downtime during equipment upgrades.
FAQ
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