CN202093382U - Field bus control module of electric operating mechanism based on ADM2468 chip - Google Patents
Field bus control module of electric operating mechanism based on ADM2468 chip Download PDFInfo
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- CN202093382U CN202093382U CN2011201786314U CN201120178631U CN202093382U CN 202093382 U CN202093382 U CN 202093382U CN 2011201786314 U CN2011201786314 U CN 2011201786314U CN 201120178631 U CN201120178631 U CN 201120178631U CN 202093382 U CN202093382 U CN 202093382U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The utility model relates to a field bus control module of an electric operating mechanism based on an ADM2486 chip. The field bus control module includes a first microprocessor and second microprocessor, and the first microprocessor is both-way connected with the second microprocessor via a serial communication interface. The first microprocessor is connected with a button and a display module via an I/O interface respectively. The first microprocessor receives a position signal via an A/D interface, receives an alarm signal via a photoelectric isolating circuit, and outputs a motor control signal via the I/O interface. The main technical characteristic is that the second microprocessor is connected with an AD2486 interface circuit via a bus interface module. The field bus control module adopts a double microprocessor structure and realizes the numerical control based on a PROFIBUS-DP field bus via the bus interface module and the ADM2486 interface circuit, thus increasing the stability and reliability of the control module, and realizing the effects of high precision, compactness, and integration of the control module.
Description
Technical field
The utility model belongs to industrial instrumentation instrument field, especially a kind of Fieldbus Control module of the electric operator based on the ADM2486 chip.
Background technology
Electric operator is the terminal actuating equipment in the industrial process control system, it mainly acts on is that control signal with control system is sent converts corresponding action to, reach the position of closure member in the by-pass valve control or the purpose of other governor motion positions, be widely used in industries such as electric power, metallurgy, petrochemical industry, heat supply, cement, building materials, light textile, food.Industrial process control system is mainly based on collecting and distributing control system at present, electric operator generally adopts 4～20mA DC simulation signal as control signal, yet adopts the industrial control system of analog control mode to have problems such as poor anti jamming capability, poor reliability.Along with development based on field bus technique, PROFIBUS-DP agreement (PROcess FIeld BUS-Decentralized Perphery, fieldbus-DP agreement) be used in the industrial process control system more and more, therefore, need urgently a kind of field bus technique to be applied in the control system for electric actuating mechanism, realized totally digitilized Fieldbus Control product.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, the Fieldbus Control module of a kind of electric operator based on the ADM2486 chip that provides that a kind of antijamming capability is strong, reliability is high and can realize full-digital control.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of Fieldbus Control module of the electric operator based on the ADM2486 chip, comprise the first microprocessor and second microprocessor, first microprocessor is connected by serial communication interface is two-way with second microprocessor, first microprocessor is connected with button and display module respectively by the I/O interface, first microprocessor is by A/D interface receiving position signal, receive alerting signal by photoelectric isolating circuit, by I/O interface output motor control signal, the second microprocessor through bus interface module is connected with the ADM2486 interface circuit.
And described bus interface module adopts the VPC3+C Bus Interface Chip.
And described first microprocessor also connects an infrared receiving circuit by the I/O interface.
And described infrared receiving circuit has adopted the SC9149A decoding chip.
And described alerting signal comprises spacing alarm signal, moment alerting signal and the heat alarm of topworks.
And described display module is the digital display tube of LED.
And described first microprocessor is the ATMEGA88V chip, and described second microprocessor is the ATMEGA162 chip, and described photoelectric isolating circuit has adopted the SFH6156-3 chip.
Advantage of the present utility model and good effect are:
1, this control module adopts the dual micro processor structure and realizes accurate PROFIBUS-DP Digital Signals function by bus interface module and ADM2486 interface circuit, transmitting data information bearing capacity and diversity have been increased, improve the thorough loss and the interference that solves in the analog signal transmission of stability of control module, improved antijamming capability.
2, this control module adopts the dual micro processor structure, and two microprocessors are carried out different tasks respectively, and the intercommunication of two microprocessors has improved the 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, and it is integrated into each functional block in the module, realizes high precision, densification, the incorporate effect of control module.
4, the utility model adopts the dual micro processor structure and realizes Digital Control based on the PROFIBUS-DP fieldbus by bus interface module and ADM2486 interface circuit, improve the stability and the reliability of control module, realized high precision, densification, the incorporate effect of control module.
Description of drawings
Fig. 1 is connection side's block diagram 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 circuit diagram of second microprocessor of the present utility model and bus interface module coupling part;
Fig. 6 is the circuit diagram of ADM2486 interface circuit part of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described:
A kind of Fieldbus Control module of the electric operator based on the ADM2486 chip, as shown in Figure 1, by first microprocessor, second microprocessor, photoelectric isolating circuit, button, infrared receiving circuit, display module, bus interface module and ADM2486 interface circuit connect and compose, in the present embodiment, first microprocessor has been selected the ATMEGA88V high-performance microprocessor of atmel corp for use, the ATMEGA88V microprocessor has integrated A/D converter, watchdog circuit, function such as Flash and EEPROM, second microprocessor has been selected the ATMEGA162 high-performance microprocessor for use, and it is big that ATMEGA162 has the ram in slice district, at a high speed, low in power consumption.First microprocessor is connected with button, infrared receiving circuit and display module respectively by the I/O interface, button operation or infrared receiving circuit can receive the order that the user sends, the user both can adopt the button operation mode, also can adopt the Infrared remote controller mode of operation, adopt two kinds of operation control modes to be more convenient for user's use; Display module is used for showing the running state information and the parameter setting information of topworks, and this display module is the digital display tube of LED.First microprocessor is connected with the position signalling of input by the A/D interface, the A/D interface of first microprocessor can be a digital signal by analog signal conversion with position signalling, first microprocessor is connected with the alerting signal of input by photoelectric isolating circuit, finishes the data acquisition to position signalling and alerting signal.After first microprocessor carries out analyzing and processing to the data of collection and from the information that the reception of second microprocessor comes, by the operation of I/O interface output motor control signal control executing mechanism.First microprocessor is connected by serial communication interface is two-way with second microprocessor, the second microprocessor through bus interface module is connected with the ADM2486 interface circuit, in the present embodiment, bus interface module adopts the VPC3+C Bus Interface Chip, send first microprocessor to by serial communication interface after the control data Translation Processing of second microprocessor with the host computer of bus interface module reception, the feedback information with first microprocessor sends to level controlling system by the bus protocol chip simultaneously.
Below the each several part circuit is specified:
The circuit of first microprocessor control section, as shown in Figure 2, it mainly comprises first microprocessor ATMEGA88V chip, crystal oscillating circuit and the special-purpose chip that resets, all software programs and systematic parameter are stored in respectively among the Flash and EEPROM of ATMEGA88V chip, and crystal oscillating circuit provides the stable clock signal to the ATMEGA88V chip; Reset circuit is selected for use the chip that resets of IM809 special use to guarantee that ATMEGA88V is lower than in stabilized voltage supply under the situation of 4.2V to reset.ATMEGA88V is connected with the digital display tube of photoelectric isolating circuit, button, infrared receiving circuit, LED and the second microprocessor ATMEGA162 respectively, mainly finishes: the collection and the processing of alerting signal such as spacing alarm signal, moment alerting signal and heat alarm and position signalling; The reception of button operation and infrared remote-controlled signal and processing; The demonstration of topworks's running state information, parameter setting information; Receive the data of second microprocessor transmission and handle and result is transferred to second microprocessor, simultaneously topworks is controlled in conjunction with local information of gathering.
The circuit of infrared receiving circuit part, as shown in Figure 3, this circuit has adopted and has matched the infrared remote control that uses mutually with telepilot transmitting chip SC9148 and receive decoding chip SC9149A, its by infrared receiving terminal with the signal that receives through delivering to the reception pin of SC9149A chip behind the phase inverter, deliver to the I/O port of first microprocessor from its corresponding pin through behind phase inverter again after the parsing of process SC9149A chip, thereby finish the infrared remote-control operation function.
The circuit of photoelectric isolating circuit part, as shown in Figure 4, this circuit has adopted opto-coupler chip three SFH6156-3 that spacing alarm, the moment of topworks are reported to the police and switching value signal such as temperature alarming carries out photoelectricity and isolates, deliver to the I/O port of first microprocessor then, adopt photoelectric isolating circuit to avoid of the interference of above-mentioned alerting signal first microprocessor.
The circuit of second microprocessor and bus interface module coupling part, as shown in Figure 5, the second microprocessor ATMEGA162 control bus interface module, this bus interface module adopt VPC3+C Bus Interface Chip and finish exchanges data with first microprocessor ATMEGA88V by serial communication interface.Because the ram in slice of ATMEGA162 is inner integrated watchdog circuit and 1280 bytes, make the circuit of its control VPC3+C Bus Interface Chip simple, control flexibly, for ATMEGA162, the VPC3+C Bus Interface Chip is equivalent to an external RAM of its expansion, (DB0～DB7) (ABO～AB3) link to each other with the PC mouth with the PA mouth of ATMEGA162, the address realm of VPC3+C Bus Interface Chip is from 0x1000 to 0x1FFF with address wire by data/address multiplex bus.
The ADM2486 interface circuit as shown in Figure 6, because the ADM2486 interface chip has characteristics such as antijamming capability is strong, reliability is high, speed is fast, can improve the reliability level of system and eliminate extraneous undesired signal.
Principle of work of the present utility model is: industrial process control system sends control command to bus interface module by the ADM2486 interface circuit by bus cable, second microprocessor sends first microprocessor to again by serial communication interface after with the reception data translation in the bus interface module, first microprocessor is according to the data that receive and in conjunction with local information of gathering, through after the calculation process, control executing mechanism action again, simultaneously with the current location information that collects, fault alarm information and work state information are through microprocessor second microprocessor, bus interface module, ADM2486 interface circuit and bus cable pass back to industrial process control system, so far realize the Long-distance Control of upper system to topworks.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other embodiments that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.
Claims (7)
1. Fieldbus Control module based on the electric operator of ADM2486 chip, comprise the first microprocessor and second microprocessor, first microprocessor is connected by serial communication interface is two-way with second microprocessor, first microprocessor is connected with button and display module respectively by the I/O interface, first microprocessor is by A/D interface receiving position signal, receive alerting signal by photoelectric isolating circuit, by I/O interface output motor control signal, it is characterized in that: the second microprocessor through bus interface module is connected with the ADM2486 interface circuit.
2. the Fieldbus Control module of the electric operator based on the ADM2486 chip according to claim 1 is characterized in that: described bus interface module adopts the VPC3+C Bus Interface Chip.
3. the Fieldbus Control module of the electric operator based on the ADM2486 chip according to claim 1, it is characterized in that: described first microprocessor also connects an infrared receiving circuit by the I/O interface.
4. the Fieldbus Control module of the electric operator based on the ADM2486 chip according to claim 3, it is characterized in that: described infrared receiving circuit has adopted the SC9149A decoding chip.
5. according to the Fieldbus Control module of each described electric operator based on the ADM2486 chip of claim 1 to 4, it is characterized in that: described alerting signal comprises spacing alarm signal, moment alerting signal and the heat alarm of topworks.
6. according to the Fieldbus Control module of each described electric operator based on the ADM2486 chip of claim 1 to 4, it is characterized in that: described display module is the digital display tube of LED.
7. according to the Fieldbus Control module of each described electric operator based on the ADM2486 chip of claim 1 to 4, it is characterized in that: described first microprocessor is the ATMEGA88V chip, described second microprocessor is the ATMEGA162 chip, and described photoelectric isolating circuit has adopted the SFH6156-3 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201786314U CN202093382U (en) | 2011-05-31 | 2011-05-31 | Field bus control module of electric operating mechanism based on ADM2468 chip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201786314U CN202093382U (en) | 2011-05-31 | 2011-05-31 | Field bus control module of electric operating mechanism based on ADM2468 chip |
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| CN202093382U true CN202093382U (en) | 2011-12-28 |
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| CN2011201786314U Expired - Fee Related CN202093382U (en) | 2011-05-31 | 2011-05-31 | Field bus control module of electric operating mechanism based on ADM2468 chip |
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Cited By (3)
| 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 |
| CN106533267A (en) * | 2016-11-04 | 2017-03-22 | 北京金自天正智能控制股份有限公司 | Motor soft start DSP control panel integrating PROFIBUS protocol |
| CN106647445A (en) * | 2016-10-28 | 2017-05-10 | 天津市津达执行器有限公司 | Field bus control module based on MODBUS-RTU protocol |
-
2011
- 2011-05-31 CN CN2011201786314U patent/CN202093382U/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN106647445A (en) * | 2016-10-28 | 2017-05-10 | 天津市津达执行器有限公司 | Field bus control module based on MODBUS-RTU protocol |
| CN106533267A (en) * | 2016-11-04 | 2017-03-22 | 北京金自天正智能控制股份有限公司 | Motor soft start DSP control panel integrating PROFIBUS protocol |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20140531 |