A40640 new version.

Hi i recently bougth the A40640 laser module, and the new version is arrived today. I’ve noticed a second 2 pins connector near the normal 4 pin connector. What this connector has been used for?
@JackWong can you explain please? cause i found no infos neither in Neje wiki nor in Neje shop description.

Thank you

Can be for a button ‘‘emergency stop’’ and air assist on/off

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thank you

Additional power interface, connected to 12V power supply, reduces the pressure of single-circuit power supply, for special requirements, customers use it on other machines, the power supply is insufficient, can provide 12V power supply separately

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