TM258LF42DR Schneider Modicon M258 Compact Logic Controller
TM258LF42DR is a compact logic controller from the Schneider Electric Modicon M258 series. It packs 42 I/O, mixed relay and transistor outputs, and a 24 VDC supply into one rugged unit. A dual-core ARM Cortex-A8 processor runs program tasks and communication tasks on separate cores. This design keeps scan cycles stable under heavy network load. The controller targets machine builders, OEMs, and factory retrofit teams. It fits packaging, material handling, and assembly cells. Built-in Ethernet, CANopen, and RS-485 ports cut wiring time and cabinet space.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Schneider Electric |
| Model | TM258LF42DR |
| Series | Modicon M258 |
| Module type | Compact logic controller |
| Processor | Dual-core ARM Cortex-A8; Core1 for program tasks, Core2 for communication tasks |
| Clock speed | Not available |
| Program memory | 128 K instructions |
| Data memory | 64 MB RAM internal; 128 MB Flash |
| Programming software | SoMachine / EcoStruxure Machine Expert |
| Scan speed | 0.022 µs per Boolean instruction; over 45,000 Boolean instructions per ms |
| Measurement range | Digital logic only; no analog input or output channels |
| Frequency response | High-speed counter inputs up to 100 kHz |
| Sensitivity | Standard 24 VDC digital input threshold |
| Linearity | Not applicable to digital I/O |
| Resolution | 1 bit per digital channel; 100 kHz counter resolution |
| Temperature range | 0 to +55 °C; 0 to +60 °C with derating |
| Environmental tolerance | 10 to 95% relative humidity, non-condensing; IP20 |
| Anti-interference | Industrial EMC design for 24 VDC control cabinets |
I/O and Communication
- Digital inputs: 26 total; 18 regular 24 VDC plus 8 fast HSC at 100 kHz
- Digital outputs: 16 total; 4 fast transistor at 0.1 A plus 12 relay at 2 A
- Analog inputs: None
- Analog outputs: None
- High-speed counters: 8 × 100 kHz
- Pulse outputs: 4 fast reflex transistor outputs
- Expansion: Up to 7 TM5 or TM2 modules; maximum 2400 I/O
- Built-in ports: 1 × Ethernet RJ45, 1 × CANopen SUB-D9, 1 × RS-485 serial, 1 × USB-B mini for programming
- Protocols: Modbus TCP, CANopen master, Modbus RTU/ASCII, proprietary USB programming protocol
- Communication expansion: 2 free PCI slots for optional communication or function modules
Electrical and Physical Data
- Supply voltage: 24 VDC, range 19.2 to 28.8 V
- Power consumption: 17.22 W
- Bus current: Not applicable; self-powered compact controller with no backplane bus
- Dimensions: 99 × 265 × 75 mm
- Weight: Not available
- Protection rating: IP20
- Storage temperature: -25 to +70 °C
Installation Guide
Mount the TM258LF42DR on a standard DIN rail inside a dry control cabinet. Keep at least 50 mm clearance above and below for airflow. Use a regulated 24 VDC power supply within 19.2 to 28.8 V. Connect the Ethernet RJ45 port to your machine network. Wire CANopen and RS-485 with shielded twisted pairs. Terminate both bus ends with the correct resistors. Separate high-voltage relay wiring from low-level signal cables. Ground the cabinet and the controller PE terminal. Check all terminal torques before power-up. The IP20 rating means the unit must stay inside an enclosure. Ambient temperature must stay between 0 and +55 °C. Derate to +60 °C only with proper airflow. For more details, contact info@oiltechcontrols.com.
Commissioning and Maintenance
Program the controller with SoMachine or EcoStruxure Machine Expert. Use the USB-B mini port for first-time download. Switch to Ethernet for normal online monitoring. The dual-core CPU separates program tasks from communication tasks. This keeps scan time low during heavy Modbus TCP traffic. Fast counter channels support 100 kHz signals for encoders and flow meters. Relay outputs handle 2 A loads directly. Transistor outputs support fast reflex actions. Maintenance is simple. Check terminal screws each year. Clean the heatsink vents with dry air. Back up the program and parameters after each change. No internal battery is listed for this model. The 128 MB Flash keeps the program safe during power loss.
Compatibility Notes
- Works with SoMachine and EcoStruxure Machine Expert software
- Accepts up to 7 TM5 or TM2 expansion modules
- Supports Modbus TCP, CANopen master, and Modbus RTU/ASCII
- Two free PCI slots accept optional communication or function modules
- Fits standard 24 VDC control cabinets with IP20 protection
- Replaces older Modicon compact controllers in retrofit projects
Certifications and Packaging
The TM258LF42DR follows Schneider Electric industrial standards for the Modicon M258 line. It meets common EMC and safety requirements for 24 VDC control equipment. Certification marks may vary by region. Please confirm your local compliance needs before ordering.
Packaging list:
- 1 × TM258LF42DR compact logic controller
- 1 × quick start or documentation set, when supplied by the factory
- Protective factory carton with anti-static wrap
Warranty and Shipping
Oiltech Controls offers a 12-month warranty on this product. We test each unit before shipment. We ship by FedEx, UPS, and DHL worldwide. Tracking details go out as soon as your order leaves our warehouse. For stock and lead time, email info@oiltechcontrols.com or message +86 158 8020 0923 on WhatsApp.
Typical Applications
- Packaging machines with high-speed registration marks
- Material handling and conveyor control
- Assembly cells with CANopen drives
- Food and beverage lines with washdown cabinets
- Retrofit of obsolete Modicon compact controllers
- Pump and fan skids with Modbus TCP SCADA links
- Textile and printing machines needing fast counters
Diagnostics Capability
The controller shows clear LED status for power, run, error, and I/O points. Ethernet and USB ports give fast access to online diagnostics. The software shows scan time, task load, and communication health. Fast counter channels report pulse loss and direction errors. CANopen diagnostics list node status and bus faults. Modbus TCP statistics help find dropped frames. Relay and transistor outputs report short-circuit or overload states where supported. These tools cut downtime and speed up fault finding.
FAQ
Q: What is the supply voltage for the TM258LF42DR?
A: It uses 24 VDC, with a working range of 19.2 to 28.8 V.
Q: How many I/O points does this controller have?
A: It has 26 digital inputs and 16 digital outputs built in.
Q: Does it have analog inputs or outputs?
A: No. This model has no analog channels.
Q: What software programs this controller?
A: Use SoMachine or EcoStruxure Machine Expert.
Q: How many expansion modules can I add?
A: Up to 7 TM5 or TM2 modules, for a maximum of 2400 I/O.
Q: What communication ports are built in?
A: Ethernet RJ45, CANopen SUB-D9, RS-485 serial, and USB-B mini.
Q: What is the operating temperature range?
A: 0 to +55 °C, or 0 to +60 °C with derating.
Q: Does it come with a warranty?
A: Yes. Oiltech Controls provides a 12-month warranty.
Why Buy From Oiltech Controls?
- 15+ years in industrial automation spare parts
- Global shipment support through FedEx, UPS, and DHL
- Tested surplus and refurbished options available
- 12-month warranty on eligible products
- Technical verification before every shipment
- Support for obsolete control systems and hard-to-find parts
Contact us for inquiries: info@oiltechcontrols.com or +86 158 8020 0923.
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