This Video is for learning purposes.
To learn Electrical automation things like
PLC ladder programming
Follow me on Instagram! Username: plcscada_automation_electrical
[ Ссылка ]
If put memory card from another cpu i guess which not yet cleared. Memory card should be cleared while it is in old cpu. After that you can use it in another cpu. If you have Siemens PG than you can clear memory card and use again. Unless you have to put another new fresh memory card.
Siemens 7A1
here
three LED’s
Green DC 5V
Orange PREC
Green RUN
all three blinking at the same time this was the issue.
