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huangfei2008
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樓主  發(fā)表于: 2009-07-23 09:28
各位師傅,幫幫我解決下面這個(gè)問(wèn)題程序是這樣的:
LD M8002
MOV HOC81 D8120
SET M8161
LDP M8013
SET M191
LD M191
OUT T160 K30
AND T160
RST M191
LD M191
RS D25 K4 D800 K57
LDP M191
MOV H23 D25
MOV H30 D26
MOV H31 D27
MOV H0D D28
SET M8122
LD M8123
HEX D802 D860 K4>>>>>>>>>>這里的運算沒(méi)有結果PLC診斷的錯誤代碼是6706
HEX D807 D861 k1
....... ..............................
RST M8123
RST M191
LD M8000
BIN D860 D190
....... ......................
通訊沒(méi)有問(wèn)題   在這里先謝謝大家!
haozijun
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1樓  發(fā)表于: 2009-07-23 10:32
AND T160
看不懂
damoguyan
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2樓  發(fā)表于: 2009-07-23 10:59
問(wèn)題出在 HEX D802 D860 K4
必須確保D802,D803,D804,D805的低8位是ASCII碼。
可能你通訊接收的到數據不是ASCII

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