CN202886929U - Non-stop transmission control system for online switching controlling modes - Google Patents
Non-stop transmission control system for online switching controlling modes Download PDFInfo
- Publication number
- CN202886929U CN202886929U CN 201220630876 CN201220630876U CN202886929U CN 202886929 U CN202886929 U CN 202886929U CN 201220630876 CN201220630876 CN 201220630876 CN 201220630876 U CN201220630876 U CN 201220630876U CN 202886929 U CN202886929 U CN 202886929U
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- control system
- electrical
- transmission control
- online switching
- plc controller
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Abstract
The utility model discloses a non-stop transmission control system for online switching controlling modes, and belongs to the field of electrical transmission control. The non-stop transmission control system is used for solving the problems that the production process or safety is severely affected by disorderly closedown in some important industrial application occasions. The non-stop transmission control system for online switching controlling modes comprises a PLC (Programmable Logic Controller), an electrical operating device, an electrical transmission device and an indicator lamp, wherein the electrical operating device is connected with the PLC; the electrical transmission device is connected with the PLC by a bus connecting circuit and connected with the electrical operating device by a terminal connecting circuit; and the indicator lamp is connected with the electrical transmission device. The non-stop transmission control system is simple in structure; the PLC and the electrical transmission device are connected by virtue of two circuit connecting nodes, so that the electrical transmission device can automatically switch the bus control mode and the terminal control mode in an online manner according to the specific conditions during the operating process, thereby increasing the operating reliability of the electrical transmission device. Moreover, the non-stop transmission control system is very convenient to use and applicable to popularization and application.
Description
Technical field
The utility model relates to the Electrified Transmission control field, and specifically, what relate to a kind of online switching controls mode does not shut down driving control system.
Background technology
As everyone knows, motor is self-evident as the critical role of industrial circle, and the electric actuator of driving motor also is a very important part in the electric automatization equipment.
For the electric actuator of present main flow, generally all possess two kinds of control modes: Terminal control mode and bus mastering mode.The Terminal control mode is the most basic, be connected on the terminal interface that device provides by periphery circuit, with the startup of this implement device, stop, suddenly stopping, the functions such as failure reset.And along with the popularizing and development of fieldindustrybus technology, the most device is all realized the function of industrial communication with the form of communication interface plate.
But, all only take a kind of control mode in a lot of industrial applications at present, will have to stop the normal operation of electric actuator in the face of plant failure, the system failure.Especially for the industrial applications of some particular importances, if because circuit communication failure and other reasons causes shutdown, will seriously influence production technology or safe causing very.Therefore, in this class application scenario, take necessary measure to avoid shutting down becomes the difficult problem that those skilled in the art's emphasis solves as far as possible.
The utility model content
What the purpose of this utility model was to provide a kind of online switching controls mode does not shut down driving control system, and solving at present, some important industrial applications cause the problem that has a strong impact on very much because fault causes to shut down to production technology or safety.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Online switching controls mode do not shut down driving control system; comprise the PLC controller; the electrically-operated arrangement that is connected with the PLC controller; the electric actuator that is connected with the PLC controller and is connected with electrically-operated arrangement by the terminal connecting line road by the bus connection wire road, and the pilot lamp that is connected with electric actuator.
Wherein, described electric actuator is digital electric gearing.
Concretely, described digital electric gearing is Siemens 6RA70 direct current speeder.
As a kind of preferred, described PLC controller is selected from Siemens SIMATIC S7 300 series.
As a kind of preferred, what adopted on described bus connection wire road is the PROFIBUS-DP bus.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is simple in structure, by being set, two kinds of line connections connect PLC controller and electric actuator, make electric actuator in operational process as the case may be automatic on-line switch bus mastering mode and Terminal control mode, increased the electric actuator reliability of operation with this, have substantive distinguishing features and progress, and use very conveniently, be fit to apply.
(2) the utility model arranges two kinds of connections to electric actuator; and the bus connection wire road directly connects PLC controller and electric transmission machanism; guaranteed the priority of bus mastering mode; take in the bus mode operational process at the utility model; if generation communicating interrupt; during the situations such as bus plug disengagement; the PLC controller in real time corresponding signal of output automatically switches to the terminal connecting line road with communication line; guaranteed that electric actuator do not shut down; after the fault in the bus connection wire road is got rid of; thereby the PLC controller can automatically be exported corresponding signal and get back to the bus connection wire road to electric actuator switching communication line, has greatly reduced thus the equipment or the security incident that cause because the electric actuator communication failure is shut down in some important industrial applications.
(3) the utility model does not increase extra hardware device input substantially, and a kind of new approaches of double insurance have been embodied, all to have very high reference to new control system design or to the transformation of former control system, brought into play to greatest extent the effect of control system, for production enterprise creates maximum economic benefit.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1; this online switching controls mode do not shut down driving control system; comprise the PLC controller; the electrically-operated arrangement that is connected with the PLC controller; the electric actuator that is connected with the PLC controller and is connected with electrically-operated arrangement by the terminal connecting line road by the bus connection wire road, and the pilot lamp that is connected with electric actuator.
Wherein, electric actuator is digital electric gearing, specifically selects the 6RA70 of Siemens direct current speeder; The PLC controller is selected from Siemens SIMATIC S7 300 series, its stable performance, and cost performance is high, and the communication expanded function is powerful; The fieldindustrybus that generally uses is in the industry at present adopted on the bus connection wire road, be specially the PROFIBUS-DP bus, by its communication modes, the PCL controller is main website, electric actuator is slave station, and the PLC controller directly is connected to guarantee the control priority of bus mastering mode with electric actuator; Electrically-operated arrangement is the operating means of existing electrical equipment, it is connected on the load module of PLC controller and on the connection terminal of the relay on it simultaneously by common line, and the terminal connecting line road is communicated with connection terminal and the electric actuator of electrically-operated arrangement repeat circuit; Pilot lamp then is arranged on the concrete operator's console, and which bar connection line what be used for the current use of alert is, any control mode that namely adopts.
The course of work of the present utility model is as follows:
In the situation that connecting, finishes and the power supply energising total system, operating personnel operate electrically-operated arrangement, by line-command access PLC controller, judge external device start condition and transmission regime, if the eligible bus connection wire road control gearing that namely directly passes through starts running.In operational process, the real-time testbus connection line of PLC controller communication state, in case communication failure occurs, then output signal automatically switches to the terminal connecting line road with its communication line and carries out the Terminal control mode and control to the terminal of electric actuator immediately.This transfer process be total system automatically and real-time online finish, guaranteed this switching on electric actuator without any stagnating impact, be the real driving control system of not shutting down.Any connection line and operating personnel only need check that the pilot lamp that is positioned on the operator's console namely knows the current use of system.Because after the communication failure on bus connection wire road is got rid of, thereby the PLC controller can automatically be exported corresponding signal and gets back to the bus connection wire road to electric actuator switching communication line.Therefore, in case Terminal control mode pilot lamp bright after, operating personnel will draw attention, looking up the fault reason as early as possible fixes a breakdown to guarantee the optimized operation of total system.
According to above-described embodiment, just can realize well the utility model.
Claims (5)
1. online switching controls mode does not shut down driving control system; it is characterized in that; comprise the PLC controller; the electrically-operated arrangement that is connected with the PLC controller; the electric actuator that is connected with the PLC controller and is connected with electrically-operated arrangement by the terminal connecting line road by the bus connection wire road, and the pilot lamp that is connected with electric actuator.
Online switching controls mode according to claim 1 do not shut down driving control system, it is characterized in that, described electric actuator is digital electric gearing.
Online switching controls mode according to claim 2 do not shut down driving control system, it is characterized in that, described digital electric gearing is Siemens 6RA70 direct current speeder.
Online switching controls mode according to claim 1 do not shut down driving control system, it is characterized in that, described PLC controller is selected from Siemens SIMATIC S7 300 series.
Online switching controls mode according to claim 1 do not shut down driving control system, it is characterized in that, what adopted on described bus connection wire road is the PROFIBUS-DP bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220630876 CN202886929U (en) | 2012-11-26 | 2012-11-26 | Non-stop transmission control system for online switching controlling modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220630876 CN202886929U (en) | 2012-11-26 | 2012-11-26 | Non-stop transmission control system for online switching controlling modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886929U true CN202886929U (en) | 2013-04-17 |
Family
ID=48078336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220630876 Expired - Lifetime CN202886929U (en) | 2012-11-26 | 2012-11-26 | Non-stop transmission control system for online switching controlling modes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202886929U (en) |
-
2012
- 2012-11-26 CN CN 201220630876 patent/CN202886929U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |