[i=s]This post was last edited by jetlin1992 on 2014-7-27 12:07[/i] I have seen similar problems solved by reducing global variables. However, my program does not use global variables. Please help me ...
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;entity correct_counter2 isport(en:instd_logic;ren:instd_logic;clk:instd_logic;numb0:instd_logic_vector(3 downto 0);numb1:inst...
Hello everyone, my situation is like this. I don't have an S7-200 device. I wrote a PLC serial communication program based on the PPI protocol content on the Internet to read PLC data, but I don't kno...
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introduction
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Microcontroller MCU
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