JPH01122220U - - Google Patents
Info
- Publication number
- JPH01122220U JPH01122220U JP1901288U JP1901288U JPH01122220U JP H01122220 U JPH01122220 U JP H01122220U JP 1901288 U JP1901288 U JP 1901288U JP 1901288 U JP1901288 U JP 1901288U JP H01122220 U JPH01122220 U JP H01122220U
- Authority
- JP
- Japan
- Prior art keywords
- contact
- relay
- circuit
- coil
- series
- 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
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の実施例を示す回路図。第２図
は本考案の実施例の電源スイツチＯＦＦ時の動作
を示す回路図。第３図は本考案の実施例の電源ス
イツチＯＮ時の動作を示す回路図。第４図は本考
案の実施例の非常停止スイツチ作動時の動作を示
す回路図。第５図は本考案の実施例の非常停止ス
イツチ作動後の動作を示す回路図。第６図、第７
図は従来の電源投入用リレーシーケンス回路の実
施例を示す図。
１，２は電源端子、５は負荷、１３は電源スイ
ツチのａ接点、１４はリレーＲ１のコイル、１６
は非常停止スイツチのｂ接点、１７はリレーＲ１
のｂ接点、１８はリレーＲ２のコイル、１９，２
２はリレーＲ２のａ接点、２１はリレーＲ１のａ
接点。
FIG. 1 is a circuit diagram showing an embodiment of the present invention. FIG. 2 is a circuit diagram showing the operation of the embodiment of the present invention when the power switch is turned off. FIG. 3 is a circuit diagram showing the operation of the embodiment of the present invention when the power switch is turned on. FIG. 4 is a circuit diagram showing the operation of the emergency stop switch according to the embodiment of the present invention. FIG. 5 is a circuit diagram showing the operation after the emergency stop switch is activated according to the embodiment of the present invention. Figures 6 and 7
The figure shows an example of a conventional power-on relay sequence circuit. 1 and 2 are power supply terminals, 5 is a load, 13 is a contact of the power switch, 14 is a coil of relay R1, 16
is the b contact of the emergency stop switch, 17 is the relay R1
b contact, 18 is the coil of relay R2, 19,2
2 is the a contact of relay R2, 21 is the a of relay R1
contact.
Claims (1)
チのａ接点１３とリレーＲ１のコイル１４を直列
に接続した回路１２と、自己復帰接点形の非常停
止スイツチのｂ接点１６と前記リレーＲ１のｂ接
点１７とリレーＲ２のコイル１８を直列に接続す
るとともにリレーＲ１のｂ接点１７の両端にリレ
ーＲ２のａ接点１９を並列に接続した回路１５と
、前記リレーＲ１のａ接点２１と前記リレーＲ２
の他のａ接点２２と負荷５を直列に接続した回路
２０とからなり、上記回路１２，１５，２０を各
々並列に接続したことを特徴とする電源投入用リ
レーシーケンス回路。 Between the power terminals 1 and 2, there is a circuit 12 in which the A contact 13 of a holding contact type power switch and the coil 14 of the relay R1 are connected in series, the B contact 16 of a self-resetting contact type emergency stop switch, and the relay R1's coil 14. A circuit 15 in which the b contact 17 and the coil 18 of the relay R2 are connected in series, and the a contact 19 of the relay R2 is connected in parallel to both ends of the b contact 17 of the relay R1, and the a contact 21 of the relay R1 and the relay R2.
1. A power-on relay sequence circuit comprising a circuit 20 in which another a-contact 22 and a load 5 are connected in series, and the circuits 12, 15, and 20 are each connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1901288U JPH01122220U (en) | 1988-02-15 | 1988-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1901288U JPH01122220U (en) | 1988-02-15 | 1988-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01122220U true JPH01122220U (en) | 1989-08-18 |
Family
ID=31234157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1901288U Pending JPH01122220U (en) | 1988-02-15 | 1988-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01122220U (en) |
-
1988
- 1988-02-15 JP JP1901288U patent/JPH01122220U/ja active Pending