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LDmicro Forum - Usage for Shift Register |
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Usage for Shift Register (by Ian)
Hi,
I am new to ladder logic and am finding this program a useful aid, I do have quite a bit of experience in electronics and micros. I am having a bit of a problem, which will just be me doing something silly, would anyone be good enough to send me some working examples using shift registers, any other examples also gratefully received. Thanks in advance Ian
(no subject) (by Frank Mc Alinden)
Hi Ian
Have attached an ld file which im currently using which uses a shift register...Im using it to shift incoming data from the serial port ... Frank
Thank you (by Ian)
Hi Frank,
Thanks for the file, I must be doing something really silly! I want to take a number of digital inputs and shift them to a data byte. Looking at your file I am in the right direction but if I change the uart to a input I get the error 'variable char not assigned to, e.g. with a mov statement, an add statement etc.' I have named the input 'char' and not changed anything else. I will keep working on it, as I say I am very new to ladder programming, day 2. Thank you again for your help. Cheers Ian
(no subject) (by Ilie)
Frank
When is thru ch1 and ch2 ? Thanks
(no subject) (by Ilie)
Frank
Now work. You check that ,it s ok for you. I change Rdone coil ,negated in normal. You think . Sory for my modification ,if posibil I make a mistake.
(no subject) (by Ilie)
Sory
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