Sannin

Problem communication rs232 sysmac studio

26 posts in this topic

Hello, I tried, as your advice, to communicate with the board with a PC using "hercules" software, but without success. However I noticed one thing at the hardware level, on the card connector I have 5V fixed between TX and GND and 5V between RX and GND. While on the PLC CIF I have 5V between GND and SD and 0V between GND and RD. Could this be the problem? Thank you

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