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General| Series | MELSEC FX3U |
|---|---|
| Program Memory | 64k steps |
| Type | PLC (Programmable Logic Controller) |
| I/O Capacity | Up to 384 points (with expansion) |
| Programming Language | Function Block Diagram |
| Communication Protocols | RS-422, RS-485 |
| Power Supply | 24 VDC or 100-240 VAC |
| Execution Speed | 0.065 μs per basic instruction |
| Built-in Functions | PID control |
| Built-in Communication Ports | RS-422 |
| Expansion Modules | communication modules |
| High-speed Counters | Up to 6 channels, up to 100 kHz |
| Pulse Output | Up to 100 kHz |
| Operating Temperature | 0°C to 55°C |
Guidelines for designing safe PLC systems, including emergency stops and interlocks.
Instructions for safe installation, including power cutoff and environmental considerations.
Safety measures for wiring, including power supply, terminal blocks, and grounding.
Precautions for safe startup, operation modification, and maintenance of the PLC.
Guidelines for safe operation, including interlock circuits and program changes.
Procedures for environmentally safe recycling and disposal of the PLC and batteries.
Safety measures to prevent damage and ensure stability during PLC transportation.
Steps and considerations for selecting and replacing FX3 models with iQ-F series.
Method for converting FX3U/FX3UC projects to MELSEC iQ-F projects using GX Works3.
Introduction to the FX5U as a successor to the FX3U, detailing its capabilities.
Step-by-step guide for replacing FX3U PLCs with FX5U successor models.
Recommended substitute models for FX3U CPU modules and extension devices.
Guidance on converting existing FX3U/FX3UC projects for use with MELSEC iQ-F.
Key considerations for physically replacing the FX3U PLC with its successor.
Introduction to the FX5UC as a successor to the FX3UC, emphasizing its compact design.
Step-by-step guide for replacing FX3UC PLCs with FX5UC successor models.
Recommended substitute models for FX3UC CPU modules and extension devices.
Guidance on converting existing FX3UC projects for use with MELSEC iQ-F.
Key considerations for physically replacing the FX3UC PLC with its successor.
Detailed procedure for converting FX3U/FX3UC projects to MELSEC iQ-F using GX Works3.
Important precautions and potential issues when converting FX3 projects to MELSEC iQ-F.
Guidance on resetting and reconfiguring parameters after project conversion.
Specific precautions for functions like high-speed counters and routine timers during conversion.
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