欢迎图片
Skip to Content
Last modified by Iris on 2025/10/21 14:06
From version 1.3
edited by Iris
on 2025/10/21 11:44
Change comment: There is no comment for this version
To version 1.1
edited by Iris
on 2025/10/21 11:38
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -6.14 Data Table Operation instructions
1 +6.14
Content
... ... @@ -1,6 +1,6 @@
1 -=== **SFRD/Shift Read** ===
1 +=== **6.14.1 SFRD/Shift Read** ===
2 2  
3 -**SFRD(P)**
3 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps1.png]]**SFRD(P)**
4 4  
5 5  Data read instructions for first-in, first-out and control.
6 6  
... ... @@ -35,10 +35,8 @@
35 35  
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 -(% style="text-align:center" %)
39 -[[image:1761018188037-771.png]]
38 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps2.jpg]]
40 40  
41 -
42 42  **Related device **
43 43  
44 44  |**Devices**|**Name**|**Content**
... ... @@ -64,10 +64,9 @@
64 64  
65 65  (1) Action content
66 66  
67 -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.
65 +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.
66 +1. The product number is a hexadecimal number with 4 digits or less, and the maximum inventory is below 99 points.
68 68  
69 -2) The product number is a hexadecimal number with 4 digits or less, and the maximum inventory is below 99 points.
70 -
71 71  (2) Program
72 72  
73 73  1. Program 1
... ... @@ -94,7 +94,7 @@
94 94  
95 95  **POP(P)**
96 96  
97 -Read the last data written by the shift write instruction (SFWR) for first in first out/first in last out control. 
94 +Read the last data written by the shift write instruction (SFWR) for first in first out/first in last out control.
98 98  
99 99  -[POP  (s)  (d)  (n)]
100 100  
... ... @@ -310,6 +310,7 @@
310 310  |4085H|When the device specified in the read application instruction (s), (d) and (n) exceeds the corresponding device range.
311 311  |4086H|When the device specified in the write application instruction (d) exceeds the corresponding device range.
312 312  
310 +
313 313  **Example**
314 314  
315 315  [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml7696\wps27.jpg]]
1761018177599-850.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Iris
Size
... ... @@ -1,1 +1,0 @@
1 -75.7 KB
Content
1761018188037-771.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Iris
Size
... ... @@ -1,1 +1,0 @@
1 -75.7 KB
Content