CN203434897U - Motor control system based on touch screen and PLC - Google Patents
Motor control system based on touch screen and PLC Download PDFInfo
- Publication number
- CN203434897U CN203434897U CN201320541715.9U CN201320541715U CN203434897U CN 203434897 U CN203434897 U CN 203434897U CN 201320541715 U CN201320541715 U CN 201320541715U CN 203434897 U CN203434897 U CN 203434897U
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- power supply
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- contactor
- supply circuit
- switch
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Abstract
The utility model discloses a motor control system based on a touch screen and a PLC. The motor control system comprises a power supply, a power switch, a first contactor, a second contactor, a touch screen and a PLC, wherein the power supply provides power for a motor through the power switch and a main power supply circuit; a bypass power supply circuit is connected with the main power supply circuit in parallel; a switch of the first contactor and a switch of the second contactor are respectively arranged on the main power supply circuit and the bypass power supply circuit; the main power supply circuit and the bypass power supply circuit are respectively used for controlling forward and reverse rotation of the motor ; the touch screen is connected with the PLC; and 2 output ports of the PLC are respectively connected with a neutral line of the power supply through a coil of the first contactor and a coil of the second contactor. The motor control system utilizes a soft switch of the touch screen to replace the traditional switch, and is conducive to the protection of the personal safety of the operator.
Description
Technical field
This utility model relates to motor and drags field, is specifically related to a kind of electric machine control system based on touch-screen and PLC.
Background technology
At present, in Industry Control, use manual gas shut off many, and on switch all with electricity, the easy like this operator of causing gets an electric shock, the as easy as rolling off a log security incident that causes electric shock.
Utility model content
The utility model provides a kind of electric machine control system based on touch-screen and PLC, utilizes the soft switch of touch-screen to replace traditional switch, is conducive to ensure operator's personal safety.
The technical solution of the utility model is:
An electric machine control system based on touch-screen and PLC, comprises power supply, mains switch, the first contactor, the second contactor, touch-screen and PLC; Power supply is that motor is powered by mains switch and main power supply circuits; Bypass power supply circuit is in parallel with main power supply circuits;
The normal open switch of the normal open switch of the first contactor and the second contactor is separately positioned on main power supply circuits and bypass power supply circuit;
Main power supply circuits and bypass power supply circuit are respectively used to control rotating and reverse of motor;
Touch-screen is connected with PLC; 2 output ports of PLC are connected with the coil of the second contactor and the center line of power supply by the coil of the first contactor respectively.
Described motor is three-phase or single-phase motor; Described power supply is three phase mains or single phase poaer supply.
PLC is connected by RS485 interface with touch-screen.
In power-supplying circuit, be also serially connected with fuse and thermal relay.
The power interface of described touch-screen and PLC+24V power output end is connected.
Described power supply is three-phase 380V power supply.
Beneficial effect:
A kind of electric machine control system based on touch-screen and PLC that the utility model provides, utilize the soft switch of touch-screen to replace traditional switch, be conducive to ensure operator's personal safety, and there is friendly man-machine dialog interface, can realize the rotating of motor and control and delay rotating control.
Accompanying drawing explanation:
Fig. 1 is the schematic diagram that the utility model is controlled three phase electric machine rotating;
Fig. 2 is the schematic diagram that the utility model is controlled monophase machine rotating.
Embodiment:
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further details.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of electric machine control system based on touch-screen and PLC, comprises power supply, mains switch, the first contactor KM1, the second contactor KM2, touch-screen and PLC; Power supply is that motor is powered by mains switch QS and main power supply circuits; Bypass power supply circuit is in parallel with main power supply circuits; In power supply circuits, be also serially connected with the normally closed switch of thermal relay FR;
The normal open switch of the normal open switch of the first contactor and the second contactor is separately positioned on main power supply circuits and bypass power supply circuit;
Main power supply circuits and bypass power supply circuit are respectively used to control rotating and reverse of motor;
Touch-screen is connected with PLC; 2 output ports of PLC are connected with the coil of the second contactor and the center line of power supply by the coil of the first contactor respectively.
PLC is connected by RS485 interface with touch-screen.
As Fig. 1, described motor is three-phase or single-phase motor; Described power supply is that power supply is three-phase 380V power supply (L1, L2.L3).Bypass power supply circuit makes motor reversal by changing phase sequence;
As Fig. 2, described motor is single-phase motor; Described power supply is single phase poaer supply (or live wire L1 and the center line got in three phase mains form single phase poaer supply), thereby bypass power supply circuit reverses by making zero line and live wire exchange drive motors.
Claims (3)
1. the electric machine control system based on touch-screen and PLC, is characterized in that, comprises power supply, mains switch, the first contactor, the second contactor, touch-screen and PLC; Power supply is that motor is powered by mains switch and main power supply circuits; Bypass power supply circuit is in parallel with main power supply circuits;
The normal open switch of the normal open switch of the first contactor and the second contactor is separately positioned on main power supply circuits and bypass power supply circuit; Main power supply circuits and bypass power supply circuit are respectively used to control rotating and reverse of motor;
Touch-screen is connected with PLC; 2 output ports of PLC are connected with the coil of the second contactor and the center line of power supply by the coil of the first contactor respectively.
2. the electric machine control system based on touch-screen and PLC according to claim 1, is characterized in that, described motor is three-phase or single-phase motor; Described power supply is three phase mains or single phase poaer supply.
3. the electric machine control system based on touch-screen and PLC according to claim 1 and 2, is characterized in that, PLC is connected by RS485 interface with touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541715.9U CN203434897U (en) | 2013-09-02 | 2013-09-02 | Motor control system based on touch screen and PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541715.9U CN203434897U (en) | 2013-09-02 | 2013-09-02 | Motor control system based on touch screen and PLC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434897U true CN203434897U (en) | 2014-02-12 |
Family
ID=50063911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320541715.9U Expired - Fee Related CN203434897U (en) | 2013-09-02 | 2013-09-02 | Motor control system based on touch screen and PLC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406773A (en) * | 2015-12-26 | 2016-03-16 | 四川科技职业学院 | Pole-change debugging control board based on PLC three-phase asynchronous motor |
| CN110297153A (en) * | 2018-11-23 | 2019-10-01 | 宁波职业技术学院 | A kind of test macro for electric machine control system, method and device |
-
2013
- 2013-09-02 CN CN201320541715.9U patent/CN203434897U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406773A (en) * | 2015-12-26 | 2016-03-16 | 四川科技职业学院 | Pole-change debugging control board based on PLC three-phase asynchronous motor |
| CN110297153A (en) * | 2018-11-23 | 2019-10-01 | 宁波职业技术学院 | A kind of test macro for electric machine control system, method and device |
| CN110297153B (en) * | 2018-11-23 | 2021-07-13 | 宁波职业技术学院 | Test system, method and device for motor control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140902 |
|
| EXPY | Termination of patent right or utility model |