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Last modified by Iris on 2025/10/21 14:06
From version 1.4
edited by Iris
on 2025/10/21 11:55
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To version 3.1
edited by Iris
on 2025/10/21 14:01
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36 36  The content of (s)+1 is transferred (read) to (d). At the same time, the content of the pointer (s) decreases, and the data is shifted up by 1 word each. (In the continuous execution instruction SFRD, each operation cycle will shift, so the pulse execution instruction SFRDP should be used for programming).
37 37  
38 38  (% style="text-align:center" %)
39 -[[image:1761018188037-771.png]]
39 +[[image:1761018188037-771.png||height="579" width="984"]]
40 40  
41 41  
42 42  **Related device **
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139 139  |(S)+(n)-2
140 140  |(S)+(n)-1
141 141  
142 -
143 -
144 144  (% style="text-align:center" %)
145 -[[image:1761018592821-392.png]]
143 +[[image:1761018592821-392.png||height="454" width="932"]]
146 146  
147 147  **✎Note: **
148 148  
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181 181  
182 182  
183 183  (% style="text-align:center" %)
184 -[[image:1761018751619-514.png]]
182 +[[image:1761018751619-514.png||height="262" width="620"]]
185 185  
186 186  === **SFWR/Shift Write** ===
187 187  
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242 242  
243 243  The following examples illustrate the use of shift write (SFWR) and shift read (SFRD) instructions.
244 244  
245 -7.14.4 (1) Action content
243 + (1) Action content
246 246  
247 -1. While registering the product number, in order to realize the first-in-first-out principle, the following introduces an example of a ladder ladder diagram that outputs the current product number.
248 -1. The product number is a hexadecimal number with 4 digits or less, and the maximum inventory is below 99 points.
245 + 1) While registering the product number, in order to realize the first-in-first-out principle, the following introduces an example of a ladder ladder diagram that outputs the current product number.
249 249  
247 + 2) The product number is a hexadecimal number with 4 digits or less, and the maximum inventory is below 99 points.
248 +
250 250  (2) Program
251 251  
252 -1. Program 1
251 + 1) Program 1
253 253  
254 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps17.png]][[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps18.png]][[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps19.png]][[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps20.png]] [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps21.jpg]]
253 +(% style="text-align:center" %)
254 +[[image:1761025772517-240.png]]
255 255  
256 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps22.jpg]]
256 +(% style="text-align:center" %)
257 +[[image:1761025809106-559.png||height="382" width="528"]]
257 257  
258 -1. Program 2
259 + 2) Program 2
259 259  
260 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps23.jpg]] First-in-first-out data read instruction
261 +(% style="text-align:center" %)
262 +[[image:1761025894776-671.png||height="130" width="570"]]
261 261  
262 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps24.jpg]]
263 263  
264 264  When X0=1, the content of D0 is stored in D2, and the content of D1 becomes 1. When X0 changes from OFF to ON again, the content of D0 is stored in D3, the content of D1 becomes 2, and so on. If the content of D1 exceeds n-1, the instruction is not processed, and the carry flag M8022 will be set to 1.
265 265  
267 +=== **FINS/Data Table Data Insertion** ===
266 266  
267 -=== **6.14.4 FINS/Data Table Data Insertion** ===
269 +FINS(P)
268 268  
269 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps25.png]]FINS(P)
270 -
271 271  Insert the BIN 16-bit data specified in (s) into the number (n) of the data table specified in (d). After the instruction is executed, the data starting with number (n) in the data table will be postponed downward one by one.
272 272  
273 273  -[FINS (s) (d) (n)]
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295 295  
296 296  Insert the BIN 16-bit data specified in (s) into the number (n) of the data table specified in (d). After the instruction is executed, the data starting with number (n) in the data table will be postponed downward one by one.
297 297  
298 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps26.jpg]]
298 +(% style="text-align:center" %)
299 +[[image:1761025985201-177.png||height="245" width="556"]]
299 299  
300 300  * N: the number of data storage;
301 301  * DTr: data table range;
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319 319  
320 320  **Example**
321 321  
322 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps27.jpg]]
323 +(% style="text-align:center" %)
324 +[[image:1761026072396-253.png||height="80" width="604"]]
323 323  
324 324  When X10=ON, insert the data of D100 into No. 3 of the data table of D0 to D4.
325 325  
326 326  However, when the number of saved data exceeds 7, the FINS(P) instruction is not executed (the device range used in the data table is D0 to D7).
327 327  
328 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps28.png]]
330 +=== **FDEL/Data Deletion of Data Sheet** ===
329 329  
332 +FDEL(P)
330 330  
331 -=== **6.14.5 FDEL/Data Deletion of Data Sheet** ===
332 -
333 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps29.png]]FDEL(P)
334 -
335 335  Delete the (n)th data of the data table specified in (d) and store it in the device specified in (s). After the instruction is executed, the data after (n)+1 in the data table will be postponed forward one by one.
336 336  
337 337  -[FDEL (s)  (d) (n)]
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359 359  
360 360  Delete the (n)th data of the data table specified in (d) and store it in the device specified in (s). After the instruction is executed, the data after (n)+1 in the data table will be postponed forward one by one.
361 361  
362 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps30.jpg]]
361 +(% style="text-align:center" %)
362 +[[image:1761026280809-833.png||height="271" width="659"]]
363 363  
364 +
364 364  **✎Note:**
365 365  
366 366  **✎**The user is responsible for the management of the device range used in the data sheet.
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377 377  |4085H|When the device specified in the read application instruction (d) and (n) exceeds the corresponding device range.
378 378  |4086H|When the device specified in the write application instruction (s) and (d) exceeds the corresponding device range.
379 379  
380 -
381 -
382 382  **Example**
383 383  
384 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps31.jpg]]
383 +[[image:1761026311306-866.png]]
385 385  
386 -When X10 is ON, delete the second data in the data table of D100 to D105, and save the deleted data in D0. However, when the number of data saved is 0, do not execute the FDEL instruction. (The device range used in the data table is D100 to D107.)
385 +When X10 is ON, delete the second data in the data table of D100 to D105, and save the deleted data in D0. However, when the number of data saved is 0, do not execute the FDEL instruction. (The device range used in the data table is D100 to D107)
387 387  
388 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps32.png]]
389 -
390 -
387 +(% style="text-align:center" %)
388 +[[image:1761026454338-354.png||height="319" width="835"]]
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