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Recent content by majde

  1. M

    Rs232 to rs 485 converter named hxsp-485d

    plc type is tsx 07 31 2824 and i searched in the manufacturer's website and the search returned no results the manufacturer is modicon telemechanique and shnider electrical
  2. M

    Rs232 to rs 485 converter named hxsp-485d

    PLC EXTENSION PORT PROVIDE 0 5 VOLTS BUT LIKE THE RS485 IT WORKS as half duplex and gives two signals a and b i mean a=!b and the plc transmitts and receive signals in each of the two signals and i want to build a circuit to use this signal in order to send and receive data with the...
  3. M

    Rs232 to rs 485 converter named hxsp-485d

    right but the plc i/o extension is 0-5volts and the atmega128a tx and rx pins are 0-5volts so how can i connect between them
  4. M

    Rs232 to rs 485 converter named hxsp-485d

    hi i have to connect a plc extendable but without an extension port to amtega 128a controller so i trie to connect the signals out of th plc i/o extend with this converter and then tried to connect it with a desktop but it seems not working at all anyone has an idea why?

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