Mitsubishi MELSEC-F FX3S Series Programmable Logic Controller

Space and cost-efficient PLC with up to 30 local I/O points, and 4,000 steps of inbuilt program memory.

This model has 25 variants.
Effective Sept 11th, 2025 Mitsubishi has added a 9.75% surcharge to this product. The surcharge will appear as a separate line item on each sales order.
Highlights...

Features

  • I/O points: up to 30
  • Program memory: 4,000 steps RAM (internal)
  • Instruction time:
    • Basic: 0.21μs/instruction
    • Applied: 0.5μs to several hundred μs/instruction
  • Number of instructions:
    • 29 sequence instructions,
    • 2 step ladder instructions,
    • 116 applied instructions
  • Program execution: cyclical execution, refresh mode processing
  • Program protection: 2 different keywords, 16 character max password
  • Auxiliary relays: 1,536 points
  • Timers: 138 points
  • Counters: 67 points
  • Data registers: 3,000 points
  • Power supply: 24VDC or 100 to 240VAC
  • Certifications: EN, UL/cUL

The Mitsubishi MELSEC-F FX3G Series Programmable Logic Controller is a compact PLC designed as a space and expense-saving solution for general processing applications requiring up to 30 I/O points. The battery-less design minimizes maintenance, allowing for installation in hidden areas with less need for regular access. 4,000 steps of built-in program memory available with each unit.

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Mitsubishi MELSEC-F FX3U Series Analog Temperature Input Module
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Analog temperature input module with -100 up to 1000°C range and 4 points of input. For expansion of FX3U, FX3S and FX3G Series PLCs.

Starting at $665.00