TM258LF42DT4L Schneider Modicon M258 Compact Logic Controller 42 I/O

TM258LF42DT4L Schneider Electric Modicon M258 Compact Logic Controller

TM258LF42DT4L is a compact logic controller from the Schneider Electric Modicon M258 series. It packs 42 I/O points and 4 analog inputs into a rugged housing. The controller uses a dual-core ARM Cortex-A8 processor. Core 1 handles program tasks. Core 2 manages communication tasks. This design keeps machine cycles fast and stable. Transistor outputs switch 24 VDC loads directly. Eight high-speed counters run at 100 kHz. Four fast reflex outputs support precise motion. You can expand I/O with up to 7 TM5 or TM2 modules. The built-in Ethernet port supports Modbus TCP. CANopen and serial links are also on board. This controller suits demanding automation cells. It works well in packaging, material handling, and assembly machines. The TM258LF42DT4L is active and available. Last verified: 2026-09. For inquiries, contact sales@powergearx.com or message us on +86 18030005825.

Technical Data

• Brand: Schneider Electric
• Model: TM258LF42DT4L
• Series: Modicon M258
• Product Type: Compact Logic Controller
• Processor: Dual-core ARM Cortex-A8
• Program Memory: 128 K instructions
• Data Memory: 64 MB RAM internal, 128 MB Flash
• Scan Speed: 0.022 µs per Boolean instruction
• Digital Inputs: 26 total (18 regular 24 VDC, 8 fast HSC 100 kHz)
• Digital Outputs: 16 transistor, source/PNP, 0.5 A per point, 4 fast
• Analog Inputs: 4 channels, 0-10 VDC or 4-20 mA, 12-bit resolution
• Analog Outputs: None
• High-Speed Counters: 8 × 100 kHz
• Pulse Outputs: 4 fast reflex outputs
• Expansion: Up to 7 TM5/TM2 modules, max 2400 I/O
• Built-in Ports: 1× Ethernet RJ45, 1× CANopen SUB-D9, 1× RS-485, 1× USB-B mini
• Protocols: Modbus TCP, CANopen master, Modbus RTU/ASCII, USB programming
• Communication Expansion: 2 free PCI slots
• Supply Voltage: 24 VDC (19.2 to 28.8 V)
• Power Consumption: 14.14 W
• Operating Temperature: 0 to +55 °C (0 to +60 °C with derating)
• Storage Temperature: -25 to +70 °C
• Relative Humidity: 10 to 95%, non-condensing
• Protection Rating: IP20
• Dimensions (H×W×D): 99 × 265 × 75 mm
• Weight: 0.77 kg
• Lifecycle: Active

Installation Guide

• Mount the controller on a 35 mm DIN rail inside a cabinet.
• Keep at least 50 mm clearance above and below for airflow.
• Use 24 VDC power supply with correct polarity.
• Connect Ethernet, CANopen, and serial cables before power on.
• Tighten terminal screws to 0.5 N·m torque.
• Wire fast inputs and outputs with shielded cables.
• Do not exceed 0.5 A per transistor output point.
• Ground the DIN rail to reduce electrical noise.

Commissioning and Maintenance

• Program with EcoStruxure Machine Expert or SoMachine.
• Use the USB-B mini port for first-time connection.
• Check LED indicators for power, run, and error status.
• Back up programs to 128 MB Flash regularly.
• Clean the housing with a dry cloth only.
• Verify 24 VDC supply every six months.
• Replace expansion modules only when power is off.
• Monitor operating temperature to stay within 0 to +55 °C.

Compatibility Notes

• Works with TM5 and TM2 expansion modules.
• Supports Modbus TCP devices over Ethernet.
• Acts as CANopen master for drives and remote I/O.
• Communicates with Modbus RTU/ASCII serial devices.
• Uses 2 PCI slots for optional communication cards.
• Compatible with EcoStruxure Machine Expert software.
• Designed for 24 VDC industrial control systems.
• Not compatible with AC power supplies.

Certifications and Compliance

• CE marked for European market.
• UL listed for North America.
• RoHS compliant.
• IP20 rated for indoor use.
• Meets EMC requirements for industrial environments.
• Designed for 24 VDC safety extra-low voltage.

Packing List

• 1× TM258LF42DT4L controller
• 1× Quick start guide
• 1× Terminal block set
• 1× USB programming cable
• 1× DIN rail mounting clip

Warranty and Shipping

• 12-month warranty from delivery date.
• Ships within 12 to 24 hours after payment.
• Express options: FedEx, UPS, DHL.
• Tracking number provided on dispatch.
• Contact sales@powergearx.com for urgent orders.

Expert Review

The TM258LF42DT4L fills a sweet spot for machine builders. It offers 42 I/O and 4 analog inputs in a slim 75 mm depth. The dual-core ARM chip splits program and communication tasks. That means less jitter in fast logic. The 0.022 µs Boolean scan speed handles complex interlocks with ease. Eight 100 kHz counters and four reflex outputs make it strong for motion-adjacent tasks. The built-in Ethernet and CANopen reduce extra hardware. You get Modbus TCP and CANopen master without add-on cards. The two PCI slots leave room for future needs. The controller runs on 24 VDC and draws 14.14 W. It is IP20, so it belongs inside a cabinet. The 0 to +55 °C range suits most factories. The TM258LF42DT4L is a solid pick for packaging, labeling, and small assembly cells. It is active and well supported. Contact +86 18030005825 for stock checks.

Manager’s Insight

From a project manager’s view, the TM258LF42DT4L cuts integration time. The Ethernet port talks to HMIs and SCADA directly. The CANopen master drives remote I/O and servo drives. The RS-485 port handles legacy devices. The USB-B mini port makes first-time programming simple. You can expand to 2400 I/O with TM5 and TM2 modules. That protects your investment as machines grow. The 128 K instruction program memory and 64 MB RAM handle mid-size code. The 128 MB Flash stores recipes and logs. The 12-bit analog inputs read sensors with enough resolution for pressure and flow. The 0.5 A transistor outputs drive valves and relays without extra relays. The 12-month warranty and 12-24 hour dispatch reduce downtime risk. Choose this controller when you need a compact, networked PLC with fast counters. It fits Modicon M258 systems perfectly.

Best Applications and Equipment

• Packaging machines with high-speed registration.
• Labeling systems using 100 kHz counters.
• Material handling conveyors with Modbus TCP drives.
• Small assembly cells with CANopen remote I/O.
• Pumping skids with 4-20 mA analog sensors.
• Textile machines needing fast reflex outputs.
• Food processing lines with IP20 cabinet mounting.
• Automotive test benches with 24 VDC logic.

FAQ

• Q: What is the main difference between TM258LF42DT4L and a standard PLC?
  A: It combines fast counters, reflex outputs, and dual-core processing in one compact unit.
• Q: Can I use this controller without expansion modules?
  A: Yes. The built-in 42 I/O and 4 analog inputs work standalone.
• Q: How many high-speed counters does it have?
  A: It has 8 high-speed counters at 100 kHz each.
• Q: What software programs the TM258LF42DT4L?
  A: Use EcoStruxure Machine Expert or SoMachine.
• Q: Does it support analog outputs?
  A: No. It has 4 analog inputs only. Add a TM5 module for analog outputs.
• Q: What is the maximum I/O capacity?
  A: Up to 2400 I/O with 7 TM5/TM2 expansion modules.
• Q: How fast does it ship?
  A: We dispatch in 12 to 24 hours via FedEx, UPS, or DHL.
• Q: Is the TM258LF42DT4L still active?
  A: Yes. It is active and last verified in 2026-09.
• Q: What is the warranty period?
  A: Every unit comes with a 12-month warranty.
• Q: Can I use it outdoors?
  A: No. It is IP20 rated for indoor cabinet use only.

Buying Guide

• Check your I/O count first. This unit has 26 inputs and 16 outputs.
• Confirm your sensor types. It reads 0-10 VDC and 4-20 mA.
• Count your high-speed signals. It supports 8 counters at 100 kHz.
• Verify your network. It has Ethernet, CANopen, and RS-485.
• Plan for expansion. It accepts 7 TM5/TM2 modules.
• Check cabinet space. The unit is 99 × 265 × 75 mm.
• Confirm power. It needs 24 VDC at 14.14 W.
• Order spare terminal blocks for fast replacement.

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