JPS59173498U - Pulse motor drive circuit - Google Patents
Pulse motor drive circuitInfo
- Publication number
- JPS59173498U JPS59173498U JP6631083U JP6631083U JPS59173498U JP S59173498 U JPS59173498 U JP S59173498U JP 6631083 U JP6631083 U JP 6631083U JP 6631083 U JP6631083 U JP 6631083U JP S59173498 U JPS59173498 U JP S59173498U
- Authority
- JP
- Japan
- Prior art keywords
- pulse motor
- phases
- signal
- excitation
- drive circuit
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は４相パルスモータの駆動方法を一般的、概略的
に説明するためのブロック図、第２図は４相パルスモー
タのダブルト２相励磁を説明するためのシーケンス図、
第３図は本考案によるパルスモータ駆動装置の一実施例
を示す回路図１、第４図は第３図のカウンタのカウント
とＲＯＭの出力との関係を示す図である。
符号の説明、ＣＮ・・・・・・アップダウンカウンタ、
ＲＯＭ・・・・・・リードオンメモリ、ＩＮＩ、 ＩＮ
２． ＩＮ３・・・・・・インバータ、ｐｃｌ、ｐｃ２
．ｐｃ３・・・・・・ホトカプラ、Ｅ、ＶＣＩ、ＶＣ２
・・・・・・電源電圧、Ｒ１゜Ｒ２，Ｒ３・・・・・・
抵抗器、ｏｐｌ・・・・・・演算増幅器、Ｑｌ、Ｑ２．
Ｑ３．Ｑ４．Ｑ５・・・・・・トランジスタ、ＰＭ・・
・・・・パルスモータ、Ａ、 Ｂ、 Ｃ，Ｄ・・・・・
・４相パルスモータの各相。FIG. 1 is a block diagram for generally and schematically explaining the driving method of a 4-phase pulse motor, and FIG. 2 is a sequence diagram for explaining double 2-phase excitation of a 4-phase pulse motor.
FIG. 3 is a circuit diagram 1 showing an embodiment of the pulse motor driving device according to the present invention, and FIG. 4 is a diagram showing the relationship between the count of the counter in FIG. 3 and the output of the ROM. Explanation of codes, CN... Up/down counter,
ROM・・・Read-on memory, INI, IN
2. IN3...Inverter, pcl, pc2
．． pc3...Photocoupler, E, VCI, VC2
...Power supply voltage, R1゜R2, R3...
Resistor, opl... operational amplifier, Ql, Q2.
Q3. Q4. Q5...Transistor, PM...
...Pulse motor, A, B, C, D...
・Each phase of a 4-phase pulse motor.
Claims (1)
るパルスモータ駆動回路において、４相のうち同時には
励磁されない２つの相２組のためのそれぞれの制御回路
を設け、この２組の制御回路のおのおのが、その組に属
する前記同時には励磁されない２つの相の励磁指令の論
理和出力信号を発生する手段と、その論理和出力信号に
基づいて電流設定値を作る手段と、その電流設定値に基
づいて前記２つの相のうちのいずれかに流れる励磁電流
を検知するための単一の抵抗器と、該抵抗器からの信号
に基ついて前記励磁電流が一定値になるように制御する
演算増幅器と、前記２つの相のいずれを励磁するかを決
定する信号を発生する手段とを含み該励磁相決定信号に
基づいて決定される相を前記演算増幅器の出力により励
磁するようにしたことを特徴とするパルスモータ駆動回
路。In a pulse motor drive circuit that controls the current of a four-phase pulse motor using a double two-phase excitation method, control circuits are provided for two sets of two phases that are not simultaneously excited among the four phases, and the control circuits of these two sets are provided. means for generating a logical sum output signal of the excitation commands of the two phases that are not simultaneously excited, each of which belongs to the group; means for generating a current set value based on the logical sum output signal; a single resistor for detecting the excitation current flowing in either of the two phases based on the signal; and an operational amplifier for controlling the excitation current to a constant value based on the signal from the resistor. and means for generating a signal for determining which of the two phases to be excited, the phase determined based on the excitation phase determination signal being excited by the output of the operational amplifier. Pulse motor drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6631083U JPS59173498U (en) | 1983-05-04 | 1983-05-04 | Pulse motor drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6631083U JPS59173498U (en) | 1983-05-04 | 1983-05-04 | Pulse motor drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59173498U true JPS59173498U (en) | 1984-11-20 |
Family
ID=30196519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6631083U Pending JPS59173498U (en) | 1983-05-04 | 1983-05-04 | Pulse motor drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59173498U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55109197A (en) * | 1978-11-02 | 1980-08-22 | Gilson Med Electr | Step motor controller |
-
1983
- 1983-05-04 JP JP6631083U patent/JPS59173498U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55109197A (en) * | 1978-11-02 | 1980-08-22 | Gilson Med Electr | Step motor controller |
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