TM238LDD24DT Modicon M238 Logic Controller | 24 I/O, Fast Inputs | Schneider

Product Description

• TM238LDD24DT is a compact base from Modicon M238 series.
• It works with 24 V DC supply.
• This controller has 24 built-in I/O points.
• It supports up to 7 expansion modules.
• Total I/O can reach 248 with extensions.
• Fast inputs and outputs handle high-speed tasks.
• Built-in RAM is 500 kB for your programs.

Key Features (Tree Structure)

• Power Supply
  • Rated voltage: 24 V DC
  • Limits: 19.2…28.8 V
  • Inrush current: ≤ 35 A
  • Power consumption: ≤ 17.2 W
• Digital Inputs
  • Total: 14 inputs
    • 8 fast inputs (HSC)
    • 6 standard inputs
  • Voltage: 24 V DC
  • Logic type: Sink or source
  • Fast input response: 300 ns
  • Standard input response: 3 ms
  • Max frequency: 100 kHz
• Digital Outputs
  • Total: 10 outputs
    • 6 standard outputs
    • 4 fast outputs (PTO/PWM)
  • Voltage: 24 V DC
  • Output current: 20…500 mA
  • Fast output frequency: ≤ 100 kHz
  • PWM/PTO mode: ≤ 20 kHz
  • Short-circuit and overload protection
• Memory & Performance
  • Internal RAM: 500 kB
  • Data backup: 3 days (internal battery)
  • Optional battery: 1 year (TSXPLP01)
  • Boolean execution: 0.971 µs
  • Integer operation: 0.439 µs
  • Real float operation: 7.25 µs
• Communication & Ports
  • 1 serial link (RJ45) for Modbus
  • RS232/RS485, up to 115.2 kbit/s
  • 1 mini USB port for programming
  • Serial link supply: 5 V / 200 mA
• Mounting & Dimensions
  • DIN-rail (35 mm) or panel mount
  • Width: 157 mm
  • Height: 118 mm
  • Depth: 86 mm
  • Weight: 0.56 kg
• Environmental Ratings
  • Operating temp: -10…55 °C
  • Storage temp: -40…70 °C
  • Humidity: 95% (non-condensing)
  • IP20 protection
  • Vibration: 1 gn (3.5 mm)
  • Shock: 15 gn (11 ms)
  • Certifications: CE, CSA, UL, GOST

Expert Review

• “Fast and compact controller for small machines. It handles counting and motion well. Easy to program with Modbus built-in. Good value for digital I/O control.”

Manager’s Insight

• “Choose TM238LDD24DT for reliable performance in tight spaces. It saves wiring with many I/O points. Great for conveyor and packaging lines. Quick setup with USB programming.”

Applicable Devices & Scenarios

• Packaging machines – precise output control
• Conveyor systems – high-speed counting
• Textile machinery – relay switching
• HVAC systems – digital fan/pump control
• Small automation cells – cost-effective logic

Comparison with Similar Models

• TM218LDAE40DRPHN – AC supply, more relay outputs
• TM238LDD24DT – DC supply, fast I/O, compact size

Frequently Asked Questions (FAQ)

• Q: What is the max number of expansion modules?

  A: Up to 7 modules. Total I/O can reach 248.

• Q: Can I use it with 110 Vac?

  A: No. It needs 24 V DC supply only.

• Q: How fast are the fast outputs?

  A: They run up to 100 kHz in normal mode. In PWM/PTO mode, up to 20 kHz.

• Q: Does it have real-time clock?

  A: Yes. Accuracy is 10 s/month at 25 °C.

• Q: What software do I need?

  A: Use SoMachine or EcoStruxure Machine Expert.

Experience-based FAQ & Selection Guide

• Q: Which controller for fast counting?

  A: This model has 8 fast inputs at 100 kHz. Great for high-speed counters.

• Q: Need motion control?

  A: Use 4 fast outputs for PTO/PWM. They drive stepper/servo drives.

• Q: Is battery included?

  A: Internal battery is built-in. Optional battery lasts 1 year.

• Selection tip: For DC systems, choose TM238LDD24DT. For AC, pick TM218 series.
• Selection tip: Count your I/O needs. This base has 24 built-in. Add modules later.
• Warranty: 12 months from delivery. Covers manufacturing defects.
• Shipping: 12-24 hours dispatch. We use FedEx, UPS, or DHL.

Contact us:
sales@powergearx.com  |
+86 18030005825

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