請教:移位寄存器指令控制噴泉不能正常循環(huán),指令如下:
網(wǎng)絡(luò )1
LD I0.0
O M0.0
AN I0.1
= M0.0
網(wǎng)絡(luò )2
LD M0.0
AN T38
TON T38 5
網(wǎng)絡(luò )3
LD T38
O Q0.7
= M0.1
網(wǎng)絡(luò )4
LD M0.0
AN T37
TON T37 5
網(wǎng)絡(luò )5
LD T37
SHRB M10.0 Q0.0 8
網(wǎng)絡(luò )6
LD N M0.0
R Q0.0 8
懇請指教,謝謝!