JPH01234911A - Control device for sequencer cooling system - Google Patents
Control device for sequencer cooling systemInfo
- Publication number
- JPH01234911A JPH01234911A JP63060488A JP6048888A JPH01234911A JP H01234911 A JPH01234911 A JP H01234911A JP 63060488 A JP63060488 A JP 63060488A JP 6048888 A JP6048888 A JP 6048888A JP H01234911 A JPH01234911 A JP H01234911A
- Authority
- JP
- Japan
- Prior art keywords
- sequencer
- output
- cooling system
- cooling
- output unit
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 55
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
- Programmable Controllers (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はシーケンサを冷却する冷却装置を制御するシー
ケンサの冷却装置の制御装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a control device for a cooling device for a sequencer, which controls a cooling device for cooling a sequencer.
［従来の技術］
第３図は冷却装置を備えた従来のシーケンサのブロック
図である。第３図において、り１）は電源ユニット、（
２）は中央処理装置（以下、ＣＰＵという） 、（３）
はメモリ、（４）は複数の入力回路から構成された入カ
ニニット、（５）は複数の出力回路から構成された出カ
ニニット、（７）はシーケンサの冷却装置、（９）は制
御盤である。[Prior Art] FIG. 3 is a block diagram of a conventional sequencer equipped with a cooling device. In Figure 3, 1) is the power supply unit, (
2) is the central processing unit (hereinafter referred to as CPU), (3)
is a memory, (4) is an input unit consisting of multiple input circuits, (5) is an output unit consisting of multiple output circuits, (7) is a cooling device for the sequencer, and (9) is a control panel. .
シーケンサは入カニニット（４）を介してリミットスイ
ッチ、押しボタンスイッチ及び切換スイッチ等（図示せ
ず）、外部から必要な情報を取り込み、ＣＰ Ｕ （２
）が取り込んだ情報に基づいて演算処理を行ない、演算
結果を出カニニット（５）を介して出力し、モータ及び
リレー等の負荷（図示せず）を駆動するように動作する
ものである。The sequencer takes in necessary information from the outside, such as limit switches, push button switches, changeover switches (not shown), etc.
) performs arithmetic processing based on the information taken in, outputs the arithmetic results via the output unit (5), and operates to drive loads (not shown) such as motors and relays.
［発明が解決しようとする課題］
ところで、従来のシーケンサにおいては冷却装置（７）
が一定の出力で運転されていた。シーケンサは出カニニ
ット（５）を介して負荷を駆動するのに応じて発熱量が
異なる。[Problem to be solved by the invention] By the way, in the conventional sequencer, the cooling device (7)
was being operated at a constant output. The sequencer generates different amounts of heat depending on the load being driven through the output unit (5).
従って、駆動される負荷が少なくても、換言すると出カ
ニニット（５）の出力回路がオンになっている割合（以
下、出力オン点数率という）がいくらであっても、冷却
装置（７）を一定の出力で運転していたので、出力オン
点数率が少ない場合、余分な電力が浪費されてしまうと
いう問題点があった。Therefore, even if the driven load is small, in other words, no matter how much the output circuit of the output circuit (5) is turned on (hereinafter referred to as the output ON point rate), the cooling device (7) Since it was operated at a constant output, there was a problem in that if the output on point rate was small, excess power was wasted.
本発明は上記問題点を解決するためになされたもので、
出力オン点数率に応じてシーケンサの冷却装置を制御す
るシーケンサの冷却装置の制御装置を提供することを目
的とする。The present invention has been made to solve the above problems,
It is an object of the present invention to provide a control device for a cooling device of a sequencer that controls the cooling device of a sequencer according to an output ON point rate.
［課題を解決するための手段］
本発明に係るシーケンサの冷却装置の制御装置は、出力
回路の出力オン点数率と出力オン点数率に応じた冷却能
力を記憶している記憶手段と、所定数の出力回路の出力
オン点数率を検出する検出手段と、検出した出力オン点
数率と記憶されているオン点数率とを比較する比較手段
と、比較手段の比較結果に基づいて、冷却装置の冷却能
力を制御する制御手段とを備えている。[Means for Solving the Problems] A control device for a cooling device for a sequencer according to the present invention includes a storage means for storing an output ON point rate of an output circuit and a cooling capacity corresponding to the output ON point rate, and a predetermined number of output circuits. a detection means for detecting the output ON point rate of the output circuit; a comparison means for comparing the detected output ON point rate with the stored ON point rate; and control means for controlling the capacity.
［作 用］
上記構成のシーケンサの冷却装置の制御装置は、検出手
段がオン点数率を検出すると、比較手段が検出した出力
オン点数率と記憶手段に記憶されているオン点数率とを
比・較し、制御手段が比較手段の比較結果に基づいて、
冷却装置の冷却能力を制御する。[Function] When the detection means detects the on-point rate, the control device for the cooling device of the sequencer having the above configuration compares the output on-point rate detected by the comparison means with the on-point rate stored in the storage means. and the control means based on the comparison result of the comparison means,
Controls the cooling capacity of the cooling device.
「実施例」
以下、本発明の一実施例を添付図面を参照して詳細に説
明する。"Embodiment" Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
第１図は本発明の一実施例に係るシーケンサの冷却装置
の制御装置のブロック図である。第１図において、（１
）はシーケンサの電源、（２）はＣＰＵ、（３）はメモ
リ、（４）は複数の入力回路から構成された人カニニッ
ト、（５）は複数の出力回路から構成された出カニニッ
ト、（６）は負荷、（７）はシーケンサの冷却装置、（
８）は冷却装置（７）を制御する制御ユニット、（９）
は制御盤である。FIG. 1 is a block diagram of a control device for a cooling device for a sequencer according to an embodiment of the present invention. In Figure 1, (1
) is the power supply of the sequencer, (2) is the CPU, (3) is the memory, (4) is the human crab unit consisting of multiple input circuits, (5) is the output circuit consisting of multiple output circuits, (6) ) is the load, (7) is the sequencer cooling system, (
8) is a control unit that controls the cooling device (7); (9)
is the control panel.
メモリ（３）は本来のシーケンス動作に必要なプログラ
ムの他に、出カニニット（５）のオン点数率とオン点数
率に応じた冷却装置（７）の冷却能力及び冷却装置（７
）を制御する制御プログラムが格納されている。In addition to the programs necessary for the original sequence operation, the memory (3) stores the on-point rate of the output unit (5), the cooling capacity of the cooling device (7) according to the on-point rate, and the cooling capacity of the cooling device (7).
) is stored therein.
この制御プログラムは、オン点数率を読み出す読出プロ
グラム、実際のオン点数率を検出する検出プログラム、
設定されたオン点数率と検出されたオン点数率とを比較
する比較プログラム及び比較結果に基づいて冷却装置（
７）の冷却能力を変える冷却装置制御プログラムとから
なる。This control program includes a reading program that reads the on-point rate, a detection program that detects the actual on-point rate,
A comparison program that compares the set on-point rate and the detected on-point rate and the cooling device (
7) and a cooling device control program that changes the cooling capacity.
次に、第１図に示したシーケンサの冷却装置の制御装置
の動作について、第２図のフローチャートを参照して説
明する。Next, the operation of the control device for the sequencer cooling device shown in FIG. 1 will be explained with reference to the flowchart shown in FIG.
（１）ステップｓｉ
ＣＰ Ｕ （２）は読出プログラムを実行することによ
り、設定されたオン点数率を読み出す。(1) Step si CPU (2) reads out the set on-point rate by executing a reading program.
（２）ステップＳ２
ＣＰ Ｕ （２）は検出プログラムを実行することによ
り、出カニニット（５）のオン点数率を検出する。(2) Step S2 CPU (2) detects the on point rate of the output crab unit (5) by executing the detection program.
（３）ステップＳ３
ＣＰ Ｕ （２）は比較プログラムを実行することによ
り、設定されたオン点数率と検出したオン点数率とを比
較し、冷却装置制御プログラムを実行することにより、
比較プログラムの比較結果に応じて制御ユニット（８）
°が冷却装置（７）の冷却能力を変更する。(3) Step S3 CPU (2) executes a comparison program to compare the set ON point rate and the detected ON point rate, and executes the cooling device control program.
Control unit (8) according to the comparison result of the comparison program
° changes the cooling capacity of the cooling device (7).
以上の制御により、冷却装置（７）はオン点数率に応じ
た冷却能力で運転されることになる。By the above control, the cooling device (7) is operated with a cooling capacity according to the on-point rate.
［発明の効果］
以上説明したように本発明によれば、出カニニットのオ
ン点数率に応じて、冷却装置の冷却能力を変えるように
したので、出カニニットのオン点数率に応じて温度上昇
の度合が異なるシーケンサを最適の冷却能力で冷却でき
るシーケンサの冷却装置の制−御装置が得られるという
効果を奏する。[Effects of the Invention] As explained above, according to the present invention, the cooling capacity of the cooling device is changed according to the on-point rate of the output crab unit, so that the temperature rise can be reduced according to the on-point rate of the output crab unit. It is possible to obtain a control device for a sequencer cooling device that can cool sequencers having different degrees of cooling with an optimum cooling capacity.
又、オン点数率を検出することにより、負荷に流れる電
流の大きさが分かり、出カニニットの寿命の計算ができ
るという効果も奏する。Furthermore, by detecting the on-point rate, the magnitude of the current flowing through the load can be determined, and the life span of the output unit can be calculated.
第１図は本発明の一実施例に係るシーケン弁の冷却装置
の制御装置のブロック図、第２図は第１図に示したシー
ケンサの冷却装置の制御装置の動作を示すフローチャー
ト、第３図は従来のシーケンサのブロック図である。
各図中、１は電源、２はＣＰＵ、３はメモリ、４は人カ
ニニット、５は出カニニット、６は負荷、７は冷却装置
、８は制御ユニット、９は制御盤である。
なお、各図中同一符号は同−又は相当部分を示すもので
ある。FIG. 1 is a block diagram of a control device for a sequence valve cooling device according to an embodiment of the present invention, FIG. 2 is a flow chart showing the operation of the control device for a sequencer cooling device shown in FIG. 1, and FIG. is a block diagram of a conventional sequencer. In each figure, 1 is a power supply, 2 is a CPU, 3 is a memory, 4 is a manual unit, 5 is an output unit, 6 is a load, 7 is a cooling device, 8 is a control unit, and 9 is a control panel. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
装置において、前記出力回路の出力オン点数率と該出力
オン点数率に応じた冷却能力を記憶している記憶手段と
、前記所定数の出力回路の出力オン点数率を検出する検
出手段と、前記検出した出力オン点数率と前記記憶され
ているオン点数率とを比較する比較手段と、前記比較手
段の比較結果に基づいて、前記冷却装置の冷却能力を制
御する制御手段とを備えたことを特徴とするシーケンサ
の冷却装置の制御装置。A control device for a cooling device for a sequencer having a predetermined number of output circuits, comprising a storage means for storing an output ON point rate of the output circuit and a cooling capacity corresponding to the output ON point rate, and the predetermined number of output circuits. a detection means for detecting the output on point rate of the cooling device; a comparison means for comparing the detected output on point rate with the stored on point rate; 1. A control device for a cooling device for a sequencer, comprising a control means for controlling cooling capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63060488A JPH01234911A (en) | 1988-03-16 | 1988-03-16 | Control device for sequencer cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63060488A JPH01234911A (en) | 1988-03-16 | 1988-03-16 | Control device for sequencer cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01234911A true JPH01234911A (en) | 1989-09-20 |
Family
ID=13143715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63060488A Pending JPH01234911A (en) | 1988-03-16 | 1988-03-16 | Control device for sequencer cooling system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01234911A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012218359A1 (en) | 2012-03-27 | 2013-10-02 | Mitsubishi Electric Corporation | Programmable control device for controlling e.g. display device, has microprocessor finding ratio of number of components of input and output circuits in switch-on state, where circuit evaluation is performed based on average value |
| WO2016088228A1 (en) * | 2014-12-03 | 2016-06-09 | 三菱電機株式会社 | Programmable logic controller system |
| TWI585557B (en) * | 2016-03-03 | 2017-06-01 | 三菱電機股份有限公司 | Programmable logic control system |
-
1988
- 1988-03-16 JP JP63060488A patent/JPH01234911A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012218359A1 (en) | 2012-03-27 | 2013-10-02 | Mitsubishi Electric Corporation | Programmable control device for controlling e.g. display device, has microprocessor finding ratio of number of components of input and output circuits in switch-on state, where circuit evaluation is performed based on average value |
| JP2013205878A (en) * | 2012-03-27 | 2013-10-07 | Mitsubishi Electric Corp | Programmable controller |
| DE102012218359B4 (en) * | 2012-03-27 | 2016-07-28 | Mitsubishi Electric Corporation | Programmable control device |
| WO2016088228A1 (en) * | 2014-12-03 | 2016-06-09 | 三菱電機株式会社 | Programmable logic controller system |
| JPWO2016088228A1 (en) * | 2014-12-03 | 2017-04-27 | 三菱電機株式会社 | Central processing unit of programmable logic controller system |
| TWI585557B (en) * | 2016-03-03 | 2017-06-01 | 三菱電機股份有限公司 | Programmable logic control system |
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