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lander
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樓主  發(fā)表于: 2023-03-11 08:43
我請教一個(gè)問(wèn)題,我這邊需要把INT (有符號的整數 -32768----32767)轉換成WORD(0-65535),編一個(gè)子程序也可以,如何操作?
圓又圓
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1樓  發(fā)表于: 2023-03-11 09:01
可以試試轉成ascii,再轉成十六進(jìn)制
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2樓  發(fā)表于: 2023-03-11 11:12
引用
引用第3樓lander于2023-03-11 10:47發(fā)表的  :
我其實(shí)是在做一個(gè)modbus RTU 通訊,寫(xiě)入只能是一個(gè)16位的數,我輸入是實(shí)數,然后我轉換成整數,當我輸入超過(guò)32767是,它就變負了,(-32768---+32767),然后這個(gè)負數寫(xiě)進(jìn)去,設備就不認識了,所以我想問(wèn)問(wèn)如何才能寫(xiě)進(jìn)去變成0-65535,而不是-32768-+32767  ,普通的整數VW  好像不能大于32767,大了就變負數。


看看200smart的轉換指令就可以了?梢灾苯訉⒛愕膶(shí)數轉成ascii,再轉成十六進(jìn)制

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