CN205247138U - Total line type electric actuator controller of PROFIBUS with redundant function - Google Patents
Total line type electric actuator controller of PROFIBUS with redundant function Download PDFInfo
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- CN205247138U CN205247138U CN201521039837.3U CN201521039837U CN205247138U CN 205247138 U CN205247138 U CN 205247138U CN 201521039837 U CN201521039837 U CN 201521039837U CN 205247138 U CN205247138 U CN 205247138U
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Abstract
The utility model belongs to the technical field of electric actuator, especially, relate to a total line type electric actuator controller of PROFIBUS with redundant function. Including a microprocessor, the 2nd microprocessor and third treater, a microprocessor passes through the serial communication interface both way junction with the 2nd microprocessor and the 3rd microprocessor respectively, and a microprocessor is connected with button and display module respectively through the IO interface, and a microprocessor passes through the AD interface and receives position sigual, through optoelectronic isolation circuit receipt microprocessor 0, and through IO microprocessor 1 microprocessor 2, the 2nd microprocessor is connected with ADM2486 interface circuit through VPC3+C bus interface circuit respectively in the third treater.
Description
Technical field
The utility model belongs to YE technical field, relates in particular to a kind of PROFIBUS with redundancy feature totalLine style controller for electric actuating mechanism.
Background technology
Electric operator is the end actuating equipment in industrial process control system, and its Main Function is that control system is sentControl signal convert corresponding action to, reach the position of closure member or the order of other governor motion positions in by-pass valve control, be widely used in the industries such as electric power, metallurgy, petrochemical industry, heat supply, cement, building materials, light textile, food. Industry at presentProcess Control System is mainly taking collecting and distributing control system as main, and electric operator generally adopts 4～20mA DC simulation letterNumber as control signal, but adopt the industrial control system of analog control mode to have poor anti jamming capability, poor reliability etc.Problem. Along with the development based on field bus technique, PROFIBUS-DP agreement (PROcessFIeldBUS-DecentralizedPerphery, fieldbus-DP agreement) be used to more and more in industrial process control system,Therefore, need urgently one that field bus technique is applied in control system for electric actuating mechanism, realized total digitalizationFieldbus Control product.
Utility model content
The utility model provides a kind of redundancy feature that has for solving the technical problem that exists in known technologyPROFIBUS bus-type controller for electric actuating mechanism, reaches the object that antijamming capability is strong, reliability is high, and can be realExisting full-digital control.
The technical scheme that the utility model is taked for the technical problem existing in solution known technology is: have redundancy featurePROFIBUS bus-type controller for electric actuating mechanism comprises first microprocessor, the second microprocessor and the 3rd processor,First microprocessor all passes through with the second microprocessor and the 3rd microprocessor respectively that serial communication interface is two-way to be connected, and first is micro-Processor is connected with button and display module respectively by I/O interface, and first microprocessor is by A/D interface receiving positionSignal, receives alarm signal by photoelectric isolating circuit, by I/O interface output motor control signal, and described second micro-placeReason device is connected with ADM2486 interface circuit by VPC3+C bus interface circuit respectively in the 3rd processor.
Advantage of the present utility model and good effect are:
1, this control module adopts VPC3+C bus interface circuit to realize accurate PROFIBUS-DP Digital SignalsFunction, has increased transmitting data information bearing capacity and diversity, thoroughly solves loss and interference in analog signal transmission, carriesHigh antijamming capability, adopt ADM2486 interface circuit to carry out RS485 Control on Communication simultaneously, improved control moduleStability.
2, this control module adopts three microprocessor architectures, and three microprocessors are carried out respectively different tasks, and three micro-The intercommunication of processor has improved stability and the reliability of control module effectively, has improved processing speed simultaneously.
3, this control module adopts two high integration, high performance microprocessor to make that circuit is simple, peripheral components is few,It is integrated into each functional block in a module, realizes high accuracy, densification, the integrated effect of control module.
4, the utility model adopts three microprocessor architectures and passes through VPC3+C bus interface circuit and ADM2486 interfaceCircuit is realized the Digital Control based on PROFIBUS-DP fieldbus, has improved stability and the reliability of control module,High accuracy, densification, the integrated effect of control module are realized.
Preferably: described first microprocessor also connects infrared receiving circuit by I/O interface.
Preferably: described infrared receiving circuit has adopted SC9149A decoding chip.
Preferably: described alarm signal comprises spacing alarm signal, moment alarm signal and the heat alarm of executing agency.
Preferably: described display module is LED digital display tube.
Preferably: described first microprocessor is PIC46K80 chip, described the second microprocessor and the 3rd microprocessor areATMEGA162 chip, described photoelectric isolating circuit has adopted SFH6156-3 chip.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the circuit diagram of first microprocessor control section of the present utility model;
Fig. 3 is the circuit diagram of infrared receiving circuit part of the present utility model;
Fig. 4 is the circuit diagram of photoelectric isolating circuit part of the present utility model;
Fig. 5 is the of the present utility model second circuit diagram being connected with VPC3+C bus interface circuit with the 3rd microprocessor;
Fig. 6 is the circuit diagram of ADM2486 interface circuit part of the present utility model.
Detailed description of the invention
For further understanding summary of the invention of the present utility model, Characteristic, hereby lift following examples and be described in detail as follows:
Refer to Fig. 1, the utility model is isolated by first microprocessor, the second microprocessor, the 3rd microprocessor, photoelectricityCircuit, button, infrared receiving circuit, display module, VPC3+C bus interface circuit and ADM2486 interface circuit connectConnect formation, in the present embodiment, first microprocessor has been selected the micro-processing of PIC46K80 high-performance of MIROCHIP companyDevice, PIC46K80 microprocessor has the functions such as integrated A/D converter, watchdog circuit, Flash and EEPROM,The second microprocessor has been selected ATMEGA162 high-performance microprocessor, ATMEGA162 have ram in slice district large,The feature of low-power consumption at a high speed. First microprocessor by I/O interface respectively with button, infrared receiving circuit and display moduleBe connected, button operation or infrared receiving circuit can receive the order that user sends, and user both can adopt button operation sideFormula, also can adopt IR remote controller mode of operation, adopts two kinds of operation control modes to be more convenient for user's use; AobviousShow that module is used for showing running state information and the setting parameter information of executing agency, this display module is the digital demonstration of LEDPipe. First microprocessor is connected with the position signalling of input by A/D interface, the A/D interface energy of first microprocessorEnough position signalling is converted to data signal by analog signal, first microprocessor is by the warning of photoelectric isolating circuit and inputSignal is connected, and completes the data acquisition to position signalling and alarm signal. First microprocessor is to the data that gather and from theThe two and the 3rd microprocessor receives the information of coming to carry out after analyzing and processing, holds by the control of I/O interface output motor control signalThe operation of row mechanism. First microprocessor with second and the 3rd microprocessor be connected by serial communication interface is two-way, the second HeThe 3rd microprocessor is connected with ADM2486 interface circuit by VPC3+C bus interface circuit, and second and the 3rd micro-placeThe control data translation of the host computer that reason device receives VPC3+C bus interface circuit passes by serial communication interface after processingGive first microprocessor, the feedback information of first microprocessor is sent to upper control system by bus protocol chip simultaneouslySystem.
Below each several part circuit is illustrated:
The circuit of first microprocessor control section as shown in Figure 2, its mainly comprise first microprocessor PIC46K80 chip,Crystal oscillating circuit and special reset chip, all software programs and systematic parameter are stored in respectively PIC46K80 chipIn Flash and EEPROM, crystal oscillating circuit provides stable clock signal to PIC46K80 chip; Reset circuit is selectedThe special reset chip of IM809 ensures that PIC46K80 resets lower than 4.2V in the situation that in voltage-stabilized power supply. PIC46K80 dividesNot and photoelectric isolating circuit, button, infrared receiving circuit, LED digital display tube and second and the 3rd microprocessorATMEGA162 is connected, and mainly completes: the alarm signals such as spacing alarm signal, moment alarm signal and heat alarmNumber and the acquisition and processing of position signalling; The reception of button operation and infrared remote-controlled signal and processing; Executing agency's running statusThe demonstration of information, setting parameter information; The information of the data of reception second and the transmission of the 3rd microprocessor the local collection of combinationProcess and result is transferred to first microprocessor, executing agency being controlled simultaneously.
As shown in Figure 3, this circuit has adopted with remote controller transmitting chip SC9148 and has matched the circuit of infrared receiving circuit partTo the infrared remote control receipt decoding chip SC9149A using, it passes through phase inverter by infrared receiving terminal by the signal receivingAfter deliver to the reception pin of SC9149A chip, after the parsing of SC9149A chip again from its corresponding pin through anti-After phase device, deliver to the I/O port of first microprocessor, thereby complete infrared remote-control operation function.
As shown in Figure 4, this circuit has adopted three SFH6156-3 of opto-coupler chip to carrying out to the circuit of photoelectric isolating circuit partThe switching value signals such as spacing alarm, moment warning and the temperature alarming of mechanism carry out photoelectricity isolation, then deliver to first micro-processingThe I/O port of device, adopts photoelectric isolating circuit to avoid the interference of above-mentioned alarm signal to first microprocessor.
Second and the circuit of the 3rd microprocessor and VPC3+C bus interface circuit coupling part as shown in Figure 5, second andThree microprocessor ATMEGA162 control VPC3+C bus interface circuit, and complete and first by serial communication interfaceThe exchanges data of microprocessor PIC46K80. Due to ATMEGA162 inner integrated watchdog circuit and 1280 bytesRam in slice, make its circuit of controlling VPC3+C bus interface circuit simple, control flexibly, for ATMEGA162, VPC3+C bus interface circuit is equivalent to an external RAM of its expansion, by data/address multiplex bus(DB0～DB7) is connected with PC mouth with the PA mouth of ATMEGA162 with address wire (AB0～AB3), and VPC3+C is totalThe address realm of line interface circuit is from 0x1000 to 0x1FFF.
The circuit of ADM2486 interface circuit as shown in Figure 6, due to ADM2486 interface circuit have antijamming capability strong,The features such as reliability is high, speed is fast, can improve the reliability level of system and eliminate extraneous interfering signal.
Operation principle of the present utility model is: industrial process control system passes through control command by bus cableADM2486 interface circuit sends VPC3+C interface circuit to, and the second microprocessor is by connecing in VPC3+C interface circuitAfter receiving data translation, send first microprocessor to by serial communication interface, first microprocessor is according to the data that receive againAnd in conjunction with the local information gathering, after calculation process, then control executing agency's action, simultaneously by the present bit collectingPut information, fault alarm information and work state information through microprocessor the second microprocessor, VPC3+C interface circuit,ADM2486 interface circuit and bus cable pass back to industrial process control system, so far realize Upper system to execution machineThe Long-distance Control of structure.
Embodiment described in the utility model is illustrative, instead of determinate, and therefore the utility model is not limited to toolEmbodiment described in body embodiment, every its being drawn according to the technical solution of the utility model by those skilled in the artHis embodiment, belongs to the scope of the utility model protection equally.
Claims (6)
1. a PROFIBUS bus-type controller for electric actuating mechanism with redundancy feature, is characterized in that: compriseOne microprocessor, the second microprocessor and the 3rd processor, first microprocessor respectively with the second microprocessor and the 3rd micro-Processor all passes through the two-way connection of serial communication interface, first microprocessor by I/O interface respectively with button and show mouldPiece is connected, and first microprocessor, by A/D interface receiving position signal, receives alarm signal by photoelectric isolating circuit,By I/O interface output motor control signal, described the second microprocessor is total by VPC3+C respectively in the 3rd processorLine interface circuit is connected with ADM2486 interface circuit.
2. the PROFIBUS bus-type controller for electric actuating mechanism with redundancy feature as claimed in claim 1, itsFeature is: described first microprocessor also connects infrared receiving circuit by I/O interface.
3. the PROFIBUS bus-type controller for electric actuating mechanism with redundancy feature as claimed in claim 2, itsFeature is: described infrared receiving circuit has adopted SC9149A decoding chip.
4. the PROFIBUS bus-type electric operator with redundancy feature as described in claims 1 to 3 any oneController, is characterized in that: described alarm signal comprises spacing alarm signal, moment alarm signal and the temperature of executing agencyAlarm signal.
5. the PROFIBUS bus-type electric operator with redundancy feature as described in claims 1 to 3 any oneController, is characterized in that: described display module is LED digital display tube.
6. the PROFIBUS bus-type electric operator with redundancy feature as described in claims 1 to 3 any oneController, is characterized in that: described first microprocessor is PIC46K80 chip, described the second microprocessor and the 3rd micro-Processor is ATMEGA162 chip, and described photoelectric isolating circuit adopts SFH6156-3 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039837.3U CN205247138U (en) | 2015-12-11 | 2015-12-11 | Total line type electric actuator controller of PROFIBUS with redundant function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039837.3U CN205247138U (en) | 2015-12-11 | 2015-12-11 | Total line type electric actuator controller of PROFIBUS with redundant function |
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| Publication Number | Publication Date |
|---|---|
| CN205247138U true CN205247138U (en) | 2016-05-18 |
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| CN201521039837.3U Expired - Fee Related CN205247138U (en) | 2015-12-11 | 2015-12-11 | Total line type electric actuator controller of PROFIBUS with redundant function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302035A (en) * | 2015-12-11 | 2016-02-03 | 天津市津达执行器有限公司 | PROFIBUS bus type electric actuating mechanism controller with redundancy functions |
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2015
- 2015-12-11 CN CN201521039837.3U patent/CN205247138U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302035A (en) * | 2015-12-11 | 2016-02-03 | 天津市津达执行器有限公司 | PROFIBUS bus type electric actuating mechanism controller with redundancy functions |
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| Date | Code | Title | Description |
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| 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: 20160518 Termination date: 20181211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |