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    SWF Original IO Control Board REV 04A (NC-SIO) with Xilinx CPLD and Battery Backup

    Original SWF IO board (NC-SIO) — routes every sensor and actuator signal between the heads and the CPU. Xilinx CPLD logic for fast, stable signal handling; CR2032 keeps parameters alive through power cuts.

    Product Detail

    The signal crossroads of the whole machine.
    Panel keys, thread-break sensors, limit switches, solenoid commands — every digital signal in the machine passes through the IO board. Intermittent alarms, dead inputs, or lost sensor triggers almost always point here.
    This original SWF IO board (REV 04A NC-SIO per the listing title; board reads CHE-IO — see fitment note) is made in Korea with factory QC marking.
    Engineering highlights
    •Xilinx XC95288XL CPLD. High-performance programmable logic handles dozens of simultaneous I/O lines without lag.
    •CR2032 battery backup. Parameters and clock survive power loss.
    •D-Sub port bank. Three large D-Sub connectors carry the external I/O harnesses.
    •DIP addressing. 4-position DIP switch sets the board address on the system bus.
    Fitment: Confirm the exact revision printed on your existing board (04A vs 03A) and send us a photo — revisions of this board are not interchangeable.

    Tag: embroidery machine IO board, NC-SIO, SWF IO board

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