JPH0223747U - - Google Patents
Info
- Publication number
- JPH0223747U JPH0223747U JP9934288U JP9934288U JPH0223747U JP H0223747 U JPH0223747 U JP H0223747U JP 9934288 U JP9934288 U JP 9934288U JP 9934288 U JP9934288 U JP 9934288U JP H0223747 U JPH0223747 U JP H0223747U
- Authority
- JP
- Japan
- Prior art keywords
- digital control
- control device
- program
- terminal
- data transmission
- 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
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Control By Computers (AREA)
- Hardware Redundancy (AREA)
Description
第１図は、この考案が実施される二重化システ
ムの構成を示す図、第２図は同二重化システムの
ケーブルの具体的な接続を示す回路図、第３図は
同二重化システムのデジタル制御装置の構成を示
すブロツク図、第４図は同デジタル制御装置のア
プリケーシヨンプログラムのローデイングを説明
するためのフロー図である。
Ａ，Ｂ：デジタル制御装置、Ｃ：ケーブル、Ｒ
ｘＤ：データ受信端子、ＴｘＤ：データ送信端子
、ＲＱＴｘ：転送要求端子、１：ＣＰＵ、２：ア
プリケーシヨンプログラム記憶エリア。
Figure 1 is a diagram showing the configuration of a duplex system in which this invention is implemented, Figure 2 is a circuit diagram showing specific cable connections of the duplex system, and Figure 3 is a diagram of the digital control device of the duplex system. FIG. 4 is a block diagram showing the configuration, and is a flow diagram for explaining loading of an application program of the digital control device. A, B: Digital control device, C: Cable, R
xD : data reception terminal, TxD : data transmission terminal, RQTx : transfer request terminal, 1: CPU, 2: application program storage area.
Claims (1)
憶するエリアと、データ送信端子と、データ受信
端子とを備えるデジタル制御装置において、 前記データ送信端子を、プログラムの転送を受
ける他のデジタル制御装置のデータ受信端子に、
前記データ受信端子を前記他のデジタル制御装置
のデータ送信端子に接続するためのケーブルが前
記データ送信端子及びデータ受信端子に接続され
たことを検知するケーブル接続検知手段と、この
ケーブル接続検知手段の検知出力に応答して、前
記他のデジタル制御装置にプログラム転送指令を
送信する手段と、前記他のデジタル制御装置から
前記ケーブルを経て転送されてくるプログラムを
受信して前記プログラム記憶エリアにロードする
手段とを備えてなることを特徴とするデジタル制
御装置。[Claims for Utility Model Registration] A digital control device comprising at least a digital control unit, an area for storing a program, a data transmission terminal, and a data reception terminal, wherein the data transmission terminal is connected to another area receiving the program. To the data receiving terminal of the digital control device,
Cable connection detection means for detecting that a cable for connecting the data reception terminal to the data transmission terminal of the other digital control device is connected to the data transmission terminal and the data reception terminal; means for transmitting a program transfer command to the other digital control device in response to the detection output; and receiving a program transferred from the other digital control device via the cable and loading it into the program storage area. A digital control device comprising: means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9934288U JPH0223747U (en) | 1988-07-27 | 1988-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9934288U JPH0223747U (en) | 1988-07-27 | 1988-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0223747U true JPH0223747U (en) | 1990-02-16 |
Family
ID=31326411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9934288U Pending JPH0223747U (en) | 1988-07-27 | 1988-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223747U (en) |
-
1988
- 1988-07-27 JP JP9934288U patent/JPH0223747U/ja active Pending
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