JPH0168504U - - Google Patents
Info
- Publication number
- JPH0168504U JPH0168504U JP1987164778U JP16477887U JPH0168504U JP H0168504 U JPH0168504 U JP H0168504U JP 1987164778 U JP1987164778 U JP 1987164778U JP 16477887 U JP16477887 U JP 16477887U JP H0168504 U JPH0168504 U JP H0168504U
- Authority
- JP
- Japan
- Prior art keywords
- section
- input
- contact input
- strobe
- buffer memory
- 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
- 238000000034 method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control By Computers (AREA)
Description
第１図及び第２図は本考案の一実施例を示す回
路図、第３図及び第４図は従来のプロセスコント
ローラの一例を示す回路図である。
２……デイジタル入力（ＤＩ）部、３Ａ〜３Ｎ
……パラレルＩ／Ｏ（ＰＩＯ）コントローラ、４
……μＣＰＵ、５……メモリ、６……ストローブ
出力部。
1 and 2 are circuit diagrams showing an embodiment of the present invention, and FIGS. 3 and 4 are circuit diagrams showing an example of a conventional process controller. 2...Digital input (DI) section, 3A to 3N
...Parallel I/O (PIO) controller, 4
...μCPU, 5...Memory, 6...Strobe output section.
Claims (1)
させその接点入力を一時パラレルＩ／Ｏ（ＰＩＯ
）コントローラのバツフアメモリに記憶させ、Ｃ
ＰＵからの指令によつて前記バツフアメモリの出
力をメモリに展開させるプロセスコントローラに
おいて、前記ＰＩＯコントローラには前記接点入
力の入力タイミングを制御すると共に、その接点
入力をバツフアメモリに記憶するためアドレスを
制御するストローブ制御部を、該ストローブ制御
部からのストローブ制御信号により接点入力に共
通線を切替制御するストローブ出力部を設けたこ
とを特徴とするプロセスコントローラ。 The contact input is input to the digital input section (DI section), and the contact input is temporarily connected to the parallel I/O (PIO section).
) is stored in the buffer memory of the controller, and C
In the process controller that expands the output of the buffer memory into the memory according to a command from the PU, the PIO controller includes a strobe that controls the input timing of the contact input and controls the address for storing the contact input in the buffer memory. A process controller characterized in that the control section is provided with a strobe output section that controls switching of a common line to a contact input by a strobe control signal from the strobe control section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164778U JPH0168504U (en) | 1987-10-28 | 1987-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164778U JPH0168504U (en) | 1987-10-28 | 1987-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0168504U true JPH0168504U (en) | 1989-05-02 |
Family
ID=31450673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987164778U Pending JPH0168504U (en) | 1987-10-28 | 1987-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0168504U (en) |
-
1987
- 1987-10-28 JP JP1987164778U patent/JPH0168504U/ja active Pending
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