JPS6434896U - - Google Patents
Info
- Publication number
- JPS6434896U JPS6434896U JP1987126744U JP12674487U JPS6434896U JP S6434896 U JPS6434896 U JP S6434896U JP 1987126744 U JP1987126744 U JP 1987126744U JP 12674487 U JP12674487 U JP 12674487U JP S6434896 U JPS6434896 U JP S6434896U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- speed
- outputs
- circuit
- operation signal
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Motor And Converter Starters (AREA)
- Control Of Electric Motors In General (AREA)
Description
第１図は本考案の一実施例の構成図、第２図は
第１図における要部の等価回路図、第３図及び第
４図は第１図に示した実施例の異なる動作を説明
するための各タイムチヤート、第５図は従来の速
度指令回路の構成図、第６図及び第７図は第５図
に示した回路の異なる動作を説明するための各タ
イムチヤートである。
４……速度設定信号、７ａ……設定状態信号、
８……速度設定器、１０ａ……第１運転信号、１
１ａ……第２運転信号、１６……アンド回路、１
７，２０……速度指令回路、２１……起動スイツ
チ部、２２……ＳＲフリツプフロツプ回路、１２
１……アンド回路、１２１ａ……第３運転信号。
Fig. 1 is a configuration diagram of an embodiment of the present invention, Fig. 2 is an equivalent circuit diagram of the main parts in Fig. 1, and Figs. 3 and 4 explain different operations of the embodiment shown in Fig. 1. FIG. 5 is a block diagram of a conventional speed command circuit, and FIGS. 6 and 7 are time charts for explaining different operations of the circuit shown in FIG. 5. 4...Speed setting signal, 7a...Setting status signal,
8... Speed setter, 10a... First operation signal, 1
1a...Second operation signal, 16...AND circuit, 1
7, 20...Speed command circuit, 21...Start switch section, 22...SR flip-flop circuit, 12
1...AND circuit, 121a...Third operation signal.
Claims (1)
力すると共に前記設定速度が零であるか零でない
かに応じた設定状態信号を出力する速度設定器と
、起動状態と停止状態とを有し前記両状態に応じ
た第１運転信号を出力すると共に該第１運転信号
とは逆の極性を有する第２運転信号を出力する起
動スイツチ部と、前記設定状態信号と前記第２運
転信号とが入力され両入力信号について所定の論
理演算を行つてその演算結果に応じた第３運転信
号を出力する論理演算回路と、Ｓ端子に入力され
る前記第３運転信号の値とＲ端子に入力される前
記第１運転信号の値とがそれぞれ所定の値になる
とＱ端子からゲート開信号を出力するＳＲフリツ
プフロツプ回路と、前記ゲート開信号が入力され
ている時のみ前記速度設定信号の通過を許可する
ゲート回路とを備え、前記ゲート回路の出力信号
によつて前記機械運動の速度を指令することを特
徴とする速度指令回路。 A speed setting device that outputs a speed setting signal corresponding to a set speed of mechanical motion and a setting state signal depending on whether the set speed is zero or not, and a start state and a stop state. a start switch section that outputs a first operation signal corresponding to both states and a second operation signal having a polarity opposite to that of the first operation signal; the setting state signal and the second operation signal are input; a logical operation circuit that performs a predetermined logical operation on both input signals and outputs a third operation signal according to the operation result; an SR flip-flop circuit that outputs a gate open signal from a Q terminal when the value of the first operation signal reaches a predetermined value, and a gate that allows passage of the speed setting signal only when the gate open signal is input. 1. A speed command circuit comprising: a speed command circuit, wherein the speed of the mechanical motion is commanded by an output signal of the gate circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987126744U JPH0534238Y2 (en) | 1987-08-20 | 1987-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987126744U JPH0534238Y2 (en) | 1987-08-20 | 1987-08-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6434896U true JPS6434896U (en) | 1989-03-03 |
| JPH0534238Y2 JPH0534238Y2 (en) | 1993-08-30 |
Family
ID=31378535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987126744U Expired - Lifetime JPH0534238Y2 (en) | 1987-08-20 | 1987-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0534238Y2 (en) |
-
1987
- 1987-08-20 JP JP1987126744U patent/JPH0534238Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0534238Y2 (en) | 1993-08-30 |
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