gaith_sharabati

modbus rs232 communication error

2 posts in this topic

hi

I am traying to connect 10 plc's FX3U to a scada system, on the plc's there are a rs232db and FX3U-232ADP-MB cards.

i have devices transmit the rs232 by lan or any thing I need (rut955)

my problem is when i download the program on plc same times the communication go right , but if i powering pls off then on the communication fail down.

I initialized the plc  like photo

view

https://drive.google.com/file/d/1Tr367wfVCRG6vvKcsOFyTKG_FExAsnVy/view

can any one help me?

sorry for my English

Edited by gaith_sharabati

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