Dear forum! I need help! I have got old plc a1scpu Mitsubisi! There is some code in plc! I can't understant pice of code! I know that it use Pid control, but I cant understant how it work! I cant find documentation about it! Thanks!
Pice of code:
LD L600
MOVP K1 D303
MOV D304 Z
LD L600
MOV K1 D300
MOV D303 D301
MOV D252Z D302
MOV K300 D9090
SUB H78
INC D303
INC D304
AND> = D303 K11
RST D303
RST D304
RST L600