Product Introduction
The Schneider Electric TM258LF42DT Logic Controller is a high‑performance programmable logic controller designed for demanding machine automation and process control applications. Part of the Modicon TM2 Motion & Logic family, this controller combines robust CPU performance with flexible I/O management and integrated communication options, making it a versatile core component in mid‑sized automation systems.
Engineered for real‑time control, rapid program execution, and seamless networking, the TM258LF42DT delivers precise logic, motion, and data processing in a compact footprint. Its integrated I/O, multiple fieldbus interfaces, and expandable architecture allow machine builders and systems integrators to implement scalable control strategies without sacrificing performance or reliability.
The TM258LF42DT is ideal for packaging machines, material handling systems, OEM automation, and distributed control architectures where performance, connectivity, and flexibility are key.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Schneider Electric |
| Model Number | TM258LF42DT |
| Module Type | Logic Controller |
| Product Series | Modicon TM2 Logic & Motion |
| CPU Architecture | 32‑bit high‑speed processor |
| Program Memory | 256 KB |
| Data Memory (RAM) | 128 KB |
| I/O Configuration | Built‑in I/O (Digital & Analog) |
| Digital Inputs | 18 Points |
| Digital Outputs | 12 Points |
| Analog Inputs | 4 Channels (0–10 V / 4–20 mA) |
| Analog Outputs | 2 Channels (0–10 V / 4–20 mA) |
| High‑Speed Counters | 2 Counters |
| PWM Outputs | 2 Outputs |
| Communication Interfaces | Ethernet, RS‑485, CANopen |
| Fieldbus Support | Modbus TCP/IP, CANopen |
| Expansion Slots | Supports TM2 Expansion Modules |
| Programming Environment | EcoStruxure Machine Expert (SoMachine) |
| Real‑Time Clock | Yes |
| Supply Voltage | 24 V DC |
| Mounting Method | DIN‑Rail |
| Protection Rating | IP20 |
| Operating Temperature | 0 °C to 55 °C |
| Dimensions (W × H × D) | 90 × 100 × 75 mm |
| Weight | Approx. 0.32 kg |
| Certifications | CE, UL, IEC 61131‑2 |
Industrial Applications
Machine Control & Synchronization
Ideal for packaging machines, printing equipment, and robotic guards where rapid logic execution and synchronized control are essential.
Material Handling & Sorting Systems
Embedded digital and analog I/O support precise material detection, sorting logic and conveyor staging in automated logistics systems.
Motion & Speed Regulation
With onboard high‑speed counters, PWM outputs, and communication support, the controller manages simple motion tasks directly or integrates with advanced motion drives.
OEM & Embedded Automation
Compact yet powerful, the TM258LF42DT fits OEM control panels and embedded control systems that require integrated intelligence without excessive hardware overhead.
Key Advantages
Integrated Logic & Analog Control
Combines discrete and analog I/O in a single controller, reducing the need for separate expansion modules.
High‑Speed Processing
A 32‑bit CPU ensures fast program execution and responsive control for time‑critical applications.
Flexible Communication
Ethernet, RS‑485, and CANopen interfaces support scalable networking, remote I/O, and fieldbus integration.
Expandable Architecture
Modular expansion via TM2 expansion modules allows system growth without redesigning the core controller.
Professional Engineering Tools
Programming via EcoStruxure Machine Expert provides libraries, diagnostics, and debugging capabilities for accelerated development.
Technical FAQs
1. What types of I/O are integrated in the TM258LF42DT?
It includes both digital (18 inputs, 12 outputs) and analog (4 inputs, 2 outputs) interfaces.
2. What communication interfaces are supported?
Ethernet, RS‑485, and CANopen support networking and fieldbus communication.
3. Can this controller support expansion modules?
Yes — it supports additional TM2 expansion I/O modules.
4. What programming environment is used?
It is programmed using EcoStruxure Machine Expert, offering comprehensive logic and motion tools.
5. Is the controller suitable for motion tasks?
Yes — with high‑speed counters and PWM outputs, it can manage basic motion sequences.
6. What supply voltage does the controller require?
It operates on a 24 V DC power supply.
7. What operating temperature range is supported?
Rated for reliable operation from 0 °C to 55 °C.
8. How is the controller mounted?
Standard DIN‑rail installation is supported.
9. What memory resources are available?
It includes 256 KB program memory and 128 KB RAM.
10. What industries commonly use this controller?
Manufacturing, packaging, material handling, OEM systems, and process automation widely deploy this model.
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