JPH0370602U - - Google Patents
Info
- Publication number
- JPH0370602U JPH0370602U JP13041689U JP13041689U JPH0370602U JP H0370602 U JPH0370602 U JP H0370602U JP 13041689 U JP13041689 U JP 13041689U JP 13041689 U JP13041689 U JP 13041689U JP H0370602 U JPH0370602 U JP H0370602U
- Authority
- JP
- Japan
- Prior art keywords
- time
- control output
- power
- control
- power outage
- 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
Landscapes
- Safety Devices In Control Systems (AREA)
- Programmable Controllers (AREA)
Description
第１図はこの考案の一実施例を示す制御切換装
置のブロツク図、第２図は従来の制御切換装置の
ブロツク図である。
図において、１は電源装置、２は外部の出力装
置、３は外部の入力装置、４は電源ユニツト、５
はＰＣのＣＰＵユニツト、６はＰＣの入力ユニツ
ト、７はＰＣの出力ユニツト、８は停電時間検出
用タイマーのコイル、９は停電時間検出用タイマ
ーの時限接点を示す。なお、図中、同一符号は同
一、または相当部分を示す。
FIG. 1 is a block diagram of a control switching device showing an embodiment of this invention, and FIG. 2 is a block diagram of a conventional control switching device. In the figure, 1 is a power supply device, 2 is an external output device, 3 is an external input device, 4 is a power supply unit, and 5
6 is a PC CPU unit, 6 is a PC input unit, 7 is a PC output unit, 8 is a coil of a timer for detecting power outage time, and 9 is a time contact of the timer for detecting power outage time. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
）等のＣＰＵユニツトを使つた制御装置で、停電
時間が制御出力の受信側で不具合とならない時間
以内ならば、停電復帰後、制御出力を続行し、そ
れ以上の停電時間の場合は制御出力を続行しない
ことを特徴とする停電時間の判別による制御切換
装置。 With a control device that uses a CPU unit such as a programmable controller (hereinafter referred to as PC), if the power outage is within the time that does not cause a problem on the receiving side of control output, the control output will continue after the power is restored, and no further power outages will occur. A control switching device based on determination of power outage time, characterized in that control output is not continued in the case of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13041689U JPH0370602U (en) | 1989-11-08 | 1989-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13041689U JPH0370602U (en) | 1989-11-08 | 1989-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0370602U true JPH0370602U (en) | 1991-07-16 |
Family
ID=31677996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13041689U Pending JPH0370602U (en) | 1989-11-08 | 1989-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0370602U (en) |
-
1989
- 1989-11-08 JP JP13041689U patent/JPH0370602U/ja active Pending