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IndustryArena Forum > Community Club House > Machinist Hangout > need to make rs232 cable for Fadal VMC 40

Thread: need to make rs232 cable for Fadal VMC 40

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  1. 09-10-2018, 07:52 PM #1
    mkeller
    mkeller is offline Registered
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    Mar 2008
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    7

    need to make rs232 cable for Fadal VMC 40

    Does anyone have the pin diagram for making a rs 232 cable for drip feeding programs?
    Thanks
    Mike
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  2. 01-11-2020, 11:47 PM #2
    EVX
    EVX is offline Member
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    Jan 2020
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    I see this is old but... One just needs a diagram found on google. usually it is a null modem type cable, pins 2 and 3 swap on each end, that is how the PC and CNC can "hear" each other. The pinout was in my 1992 4020 manual as well. The factory cable that came with the machine had to have pins 2 and 3 swapped! I thought that was odd, but nonetheless, null modem is what you need.
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