Schneider Electric TM258LF42DT Technical Specifications
1. General Information
Product Type: Modular Compact PLC with Motion Control

Series: Modicon M258 (Logic + Motion Controller)

Order Code: TM258LF42DT

Status: Discontinued (Recommended alternative: TM262 series)

2. Processing Performance
Processor: 32-bit ARM Cortex Core

Execution Speed: 0.4 μs per Boolean instruction

User Memory: 512KB (for application program)

Non-volatile Memory: 16MB Flash

Retentive Memory: 32KB (for data backup)

3. Integrated I/O Configuration
Digital Inputs:

24 points (sink/source configurable)

24V DC nominal voltage

4 ms standard filtering time

Digital Outputs:

16 points (transistor outputs)

0.5A @ 24V DC per point

0.1A minimum load current

Analog Inputs:

4 channels (12-bit resolution)

Configurable: 0-10V or 0-20mA

±0.5% F.S. accuracy

Analog Outputs:

2 channels (12-bit resolution)

Configurable: 0-10V or 0-20mA

±1% F.S. accuracy

4. Motion Control Features
Control Axes: Up to 4 axes

Pulse Output:

Differential output (RS422 compatible)

500kHz maximum frequency

Motion Protocols:

CANopen (DS301/DS402)

Modbus RTU

Motion Function Blocks:

MC_Power, MC_MoveAbsolute

MC_MoveVelocity, MC_Home

5. Communication Interfaces
Ethernet Port:

10/100 Mbps auto-negotiation

Modbus TCP/IP protocol

FTP/Web Server functionality

Serial Ports:

1 × RS-485 (Modbus RTU/ASCII)

1 × USB Mini-B (programming port)

Fieldbus:

CANopen (built-in, up to 1Mbps)

6. Expansion Capability
Expansion Bus: TM3/TM4 compatible

Maximum Modules: 7 expansion modules

Maximum I/O Points: 224 points (local + expansion)

7. Physical Characteristics
Dimensions: 90 × 147 × 74 mm (W × H × D)

Weight: 750g

Mounting: DIN rail (35mm)

Protection Rating: IP20 (panel mount)

8. Environmental Specifications
Operating Temperature:

-20°C to +60°C (horizontal mount)

-20°C to +50°C (vertical mount)

Storage Temperature: -25°C to +70°C

Relative Humidity: 5% to 95% (non-condensing)

Vibration Resistance: 1g @ 10-150Hz (IEC 60068-2-6)

Shock Resistance: 5g @ 11ms (IEC 60068-2-27)

9. Power Requirements
Supply Voltage: 24V DC (+20%/-15%)

Power Consumption: 15W typical (max 25W)

Inrush Current: 20A for 5ms

10. Certifications & Standards
Safety: UL 508, CSA C22.2 No.142

EMC: EN 61000-6-2, EN 61000-6-4

RoHS: Compliant (2011/65/EU)

Marine: DNV-GL, BV, LR, ABS (optional)

11. Software Support
Programming Software:

SoMachine Basic (included)

Machine Expert (advanced features)

Supported Languages:

Ladder Diagram (LD)

Function Block Diagram (FBD)

Structured Text (ST)

Sequential Function Chart (SFC)