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engahm78

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Posts posted by engahm78

  1. i made serial communication cable using rj11 and 9 pin connector as the catalogue configuration , but when i connect it i couldn't get to plc to download , i faced 2 problems 

    1- i use visilogic 9.8 when i connect it said that my os is old and need to be update 

    2- then every time i make connection there is error that the connection maybe broken or com port or baud rate is wrong or other reasons.

    what i do to download the program 

    also i tried rs232 to usb adaptor but same results 

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