JPS625353U - - Google Patents
Info
- Publication number
- JPS625353U JPS625353U JP9295685U JP9295685U JPS625353U JP S625353 U JPS625353 U JP S625353U JP 9295685 U JP9295685 U JP 9295685U JP 9295685 U JP9295685 U JP 9295685U JP S625353 U JPS625353 U JP S625353U
- Authority
- JP
- Japan
- Prior art keywords
- sequence
- capacity
- sequence program
- sequence controller
- processing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000011084 recovery Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 101100325756 Arabidopsis thaliana BAM5 gene Proteins 0.000 description 1
- 102100031584 Cell division cycle-associated 7-like protein Human genes 0.000 description 1
- 101000777638 Homo sapiens Cell division cycle-associated 7-like protein Proteins 0.000 description 1
- 101150046378 RAM1 gene Proteins 0.000 description 1
- 101100476489 Rattus norvegicus Slc20a2 gene Proteins 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Hardware Redundancy (AREA)
Description
第１図は本考案の一実施例のシーケンスコント
ローラの構成を示すブロツク図、第２図は第１図
のＲＡＭ１，ＲＡＭ２の関係を示すメモリマツプ
、第３図はシーケンスコントローラの操作・処理
手順フローチヤート、第４図はシーケンス・プロ
グラム容量＞空きエリア容量のときのメモリマツ
プ、第５図はシーケンス・プログラム容量＜空き
エリア容量のときのメモリマツプを示す。
１……シーケンス・プログラム格納エリア、２
……バツクアツプ用Ｓプログラム格納判定処理。
Fig. 1 is a block diagram showing the configuration of a sequence controller according to an embodiment of the present invention, Fig. 2 is a memory map showing the relationship between RAM1 and RAM2 in Fig. 1, and Fig. 3 is a flowchart of the operation/processing procedure of the sequence controller. , FIG. 4 shows a memory map when sequence program capacity>free area capacity, and FIG. 5 shows a memory map when sequence program capacity<free area capacity. 1...Sequence program storage area, 2
...Backup S program storage determination processing.
Claims (1)
テムと、シーケンスプログラムとを格納するＲＡ
Ｍからなり、周辺制御回路を最小構成要素とする
シーケンスコントローラにおいて、 前記シーケンス・プログラムの容量と前記ＲＡ
Ｍの空きエリアの容量を比較し、前記空きエリア
の方が大きいとき、前記シーケンス・プログラム
を二重化する機能をもたせたことを特徴とするシ
ーケンスコントローラのエラー回復処理装置。[Claims for Utility Model Registration] RA that stores a microprocessor, operating system, and sequence program
In a sequence controller consisting of M and having a peripheral control circuit as the minimum component, the capacity of the sequence program and the RA
An error recovery processing device for a sequence controller, characterized in that the error recovery processing device for a sequence controller is provided with a function of comparing the capacity of M free areas and duplicating the sequence program when the free area is larger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9295685U JPS625353U (en) | 1985-06-21 | 1985-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9295685U JPS625353U (en) | 1985-06-21 | 1985-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS625353U true JPS625353U (en) | 1987-01-13 |
Family
ID=30955115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9295685U Pending JPS625353U (en) | 1985-06-21 | 1985-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS625353U (en) |
-
1985
- 1985-06-21 JP JP9295685U patent/JPS625353U/ja active Pending
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