MELSEC-F series Main Unit
FX PLC Main Unit
A wide lineup in FX series offers you many choices to fit to your budget and application.
You are sure to find a model that fulfills your needs.
| FX Series Lineup | |
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For high speed,
high functionality, and expandability 
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64,000 step RAM memory built-in. Flash memory cassette can also be mounted. Processing speed Basic instruction: 0.065 μs/instruction (LD instruction) Application instruction: 0.642 to 100 μs/instruction Device Auxiliary relay: 7,680 pts Timer: 512 pts Counter: 235 pts Data register: 8,000 pts Extension register: 32,768 pts Extension file register (optional memory): 32,768 pts Application instruction List of supported application instructions Here |
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For high speed,
reduced wiring, reduced space 
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64,000 step RAM memory built-in. Flash memory cassette can also be mounted. Processing speed Basic instruction: 0.065 μs/instruction (LD instruction) Application instruction: 0.642 to 100 μs/instruction Device Auxiliary relay: 7,680 pts Timer: 512 pts Counter: 235 pts Data register: 8,000 pts Extension register: 32,768 pts Extension file register (optional memory): 32,768 pts Application instruction List of supported application instructions Here |
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For communication,
analog expansions, and up to 256 I/O control 
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32,000 step EEPROM memory built-in. Battery-free and maintenance-free. Processing speed Basic instruction: 0.21μs/instruction (in standard mode) 0.42 μs/instruction (in extension mode) Application instruction: 0.5 to 100 μs/instruction (in standard mode) 1.2 to 100 μs/instruction (in extension mode) Device Auxiliary relay: 7,680 pts Timer: 320 pts Counter: 235 pts Data register: 8,000 pts Extension register: 24,000 pts Extension file register: 24,000 pts Application instruction List of supported application instructions Here
*1
: 14 pt, 24 pt models can only connect 1 board
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For reduced space and
reduced wiring 
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32,000 step EEPROM memory built-in. Battery-free and maintenance-free. Processing speed Basic instruction: 0.21 μs/instruction (in standard mode) 0.42 μs/instruction (in extension mode) Application instruction: 0.5 to 100 μs/instruction (in standard mode) 1.2 to 100 μs/instruction (in extension mode) Device Auxiliary relay: 7,680 pts Timer: 320 pts Counter: 235 pts Data register: 8,000 pts Extension register: 24,000 pts Extension file register: 24,000 pts Application instruction List of supported application instructions Here |
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For communication,
analog expansions, and low cost 
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16,000 step EEPROM memory built-in. Battery-free and maintenance-free. (Program capacity is 4,000 steps) Processing speed Basic instruction: 0.21 μs/instruction Application instruction: 0.5 to 100 μs/instruction Device Auxiliary relay: 1,536 pts Timer: 138 pts Counter: 67 pts Data register: 3,000 pts Application instruction List of supported application instructions Here |
| Explanation of the icons | |
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Depending on control points, total 256 I/O extension devices can be connected.
*Includes CC-Link remote I/O |
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FX3U/FX3UC can count at high speed input frequency 100 kHz (1-phase 6 pts), 50 kHz (2-phase 2 pts), 10 kHz (1-phase 2 pts). |
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Depending on control points, total 384 I/O extension devices can be connected.
*Includes CC-Link remote I/O |
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FX3S/FX3GC has 2 axes simple positioning function built into the main unit. |
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Depending on the purpose, various special function blocks can be connected. |
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FX3G/FX3U/FX3UC has 3 axes simple positioning built into the main unit.
*FX3G 14 pt, 24 pt models have independent 2 axes. |
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Function can be easily added by mounting a function expansion board to the main unit. |
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I/O can be connected in connector format, reducing wiring effort. |
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In FX3UC-32MT-LT, CC-Link/LT master functionality is built-in. |
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1 phase: 60 kHz x 4 pts/ 10 kHz x 2 pts 2 phase: 30 kHz x 2 pts/ 5 kHz 1 pt |
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1 phase: 60 kHz x 2 pts/ 10 kHz x 4 pts 2 phase: 30 kHz x 1 pt/ 5 kHz 1 pt |
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In FX3S-30MR/ES-2AD, FX3S-30MT/ES-2AD, and FX3S-30MT/ESS-2AD, 2 ch analog input (current input) function is built-in. |