JPS647302U - - Google Patents
Info
- Publication number
- JPS647302U JPS647302U JP10190687U JP10190687U JPS647302U JP S647302 U JPS647302 U JP S647302U JP 10190687 U JP10190687 U JP 10190687U JP 10190687 U JP10190687 U JP 10190687U JP S647302 U JPS647302 U JP S647302U
- Authority
- JP
- Japan
- Prior art keywords
- external device
- cpu unit
- programmable controller
- memory
- accessed
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Selective Calling Equipment (AREA)
- Programmable Controllers (AREA)
Description
第１図はこの考案の一実施例によるプログラマ
ブルコントローラを示す図、第２図は従来のプロ
グラマブルコントローラを示す図である。
図において、１はプログラマブルコントローラ
、２はＣＰＵユニツト、３は外部インターフエイ
スユニツト、４は外部機器、６はメモリである。
なお、図中同一符号は同一又は相当部分を示す。
FIG. 1 is a diagram showing a programmable controller according to an embodiment of this invention, and FIG. 2 is a diagram showing a conventional programmable controller. In the figure, 1 is a programmable controller, 2 is a CPU unit, 3 is an external interface unit, 4 is an external device, and 6 is a memory.
Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
機器インターフエイスユニツトを具備するプログ
ラマブルコントローラにおいて、上記外部機器イ
ンターフエイスユニツトに、上記ＣＰＵユニツト
からアクセスできるメモリを備え、上記ＣＰＵユ
ニツトからの上記メモリへのアクセスにより、上
記外部機器からのメツセージ受信時の終了コード
を可変にできる手段を有するプログラマブルコン
トローラ。 In a programmable controller equipped with a CPU unit and an external device interface unit capable of communicating with external devices, the external device interface unit is provided with a memory that can be accessed from the CPU unit, and the memory can be accessed by the CPU unit. , a programmable controller having means for making variable an end code when receiving a message from the external device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10190687U JPS647302U (en) | 1987-07-02 | 1987-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10190687U JPS647302U (en) | 1987-07-02 | 1987-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647302U true JPS647302U (en) | 1989-01-17 |
Family
ID=31331324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10190687U Pending JPS647302U (en) | 1987-07-02 | 1987-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647302U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987509A (en) * | 1982-11-10 | 1984-05-21 | Toshiba Corp | Programmable controller |
| JPS62121562A (en) * | 1985-11-22 | 1987-06-02 | Nec Corp | Data communication system |
-
1987
- 1987-07-02 JP JP10190687U patent/JPS647302U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987509A (en) * | 1982-11-10 | 1984-05-21 | Toshiba Corp | Programmable controller |
| JPS62121562A (en) * | 1985-11-22 | 1987-06-02 | Nec Corp | Data communication system |
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