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Changes for page 02 Devices

Last modified by Mora Zhou on 2023/11/22 14:13
From version 23.1
edited by Jim
on 2023/08/08 09:50
Change comment: Added annotation on "When "
To version 17.1
edited by Stone Wu
on 2022/09/23 17:30
Change comment: There is no comment for this version

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1 -XWiki.Jim
1 +XWiki.Stone
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206 206  
207 207  == Decimal constant (K) ==
208 208  
209 -“K” is a Sign that represents a decimal integer and is specified by K£ (for example: K123). It is mainly used to designate the set value of a timer or counter or the value in the operand of an application instruction. In 16bit instructions, the value range of constant K is -32768 to 32767; in 32bit instructions, the value range of constant K is -2147483648 to 2147483647.
209 +“K” is a Sign that represents a decimal integer and is specified by K£ (for example: K123). It is mainly used to designate the set value of a timer or counter or the value in the operand of an application instruction. In 16bit instructions, the value range of constant K is -32768 to 32767; in 32bit instructions, the value range of constant K is -247483648 to 2147483647.
210 210  
211 211  == Hexadecimal constant (H) ==
212 212  
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223 223  
224 224  == String constant ==
225 225  
226 -The character string constant is the device that specifies the character string, and only supports the ASCII code character set, and any character string ends with a NULL character (00H). To use string devices, you must use double quotation marks to modify the characters, as follows to convert the string to ASCII characters and fill in the device starting with D0:
226 +The character string constant is the device that specifies the character string, and only supports the ASCII code character set, and any character string ends with a NULL character (00H). To use string devices, you must use double eye marks to modify the characters, as follows to convert the string to ASCII characters and fill in the device starting with D0:
227 227  
228 228  (% style="text-align:center" %)
229 229  [[image:02(1)_html_61bdd1807e91322f.png||class="img-thumbnail"]]
XWiki.XWikiComments[0]
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1 -xwiki:XWiki.Jim
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1 -test
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1 -2023-08-08 09:46:31.670
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1 -below
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1 -SAFE
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1 -PLC Editor2.02 Registers.WebHome
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1 -xwiki:XWiki.Jim
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1 -sssss
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1 -2023-08-08 09:50:21.998
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1 -When
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1 -32-bit data needs to be processed, the two adjacent D registers can be formed into a 32-bit double word. For example, when accessing D100 in 32-bit format, use the high address D101 register as the high word and the high byte bit 15 as The sign bit of a double word can handle values from -2147483648 to 2147483647.
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1 -SAFE
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1 -PLC Editor2.02 Registers.WebHome