CN102042854A - 485 hand operator for electromagnetic flow meter - Google Patents
485 hand operator for electromagnetic flow meter Download PDFInfo
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- CN102042854A CN102042854A CN2010105727160A CN201010572716A CN102042854A CN 102042854 A CN102042854 A CN 102042854A CN 2010105727160 A CN2010105727160 A CN 2010105727160A CN 201010572716 A CN201010572716 A CN 201010572716A CN 102042854 A CN102042854 A CN 102042854A
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- electromagnetic flowmeter
- electromagnetic flow
- flow meter
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Abstract
The invention discloses a 485 hand operator for an electromagnetic flow meter, and relates to the technical field of electromagnetic flow meters. The 485 hand operator solves the technical problem of remotely setting parameters in the electromagnetic flow meter. The electromagnetic flow meter is provided with a calculation end 485 communication module; the hand operator comprises a keyboard, a singlechip, an operating end 485 communication module and a 485 communication connector; the singlechip is provided with a man-machine interactive interface and a communication interface, parameter setting software is installed in the singlechip, the man-machine interactive interface of the singlechip is connected with the keyboard, and the communication interface of the singlechip is connected with the 485 communication connector through the operating end 485 communication module. The hand operator provided by the invention is convenient for operation personnel to set the parameters in the electromagnetic flow meter.
Description
Technical field
The present invention relates to the electromagnetic flowmeter technology, particularly relate to a kind of technology that is used for 485 manual operators of electromagnetic flowmeter.
Background technology
At present, along with the raising of industrial automatization, the application of electromagnetic flowmeter more and more widely.Electromagnetic flowmeter all is installed in operation field usually, and the data that electromagnetic flowmeter is gathered pass to master system by 485 communication buss, and master system is according to the operation of the Data Control relevant device of electromagnetic flowmeter collection.
Existing electromagnetic flowmeter in use, often need change table intrinsic parameter, such as the parameters such as density in need the modification table when the medium in the tested pipeline changes, parameters such as the instantaneous unit in need the modification table when the flow size changes, total amount unit are to guarantee display precision.Existing electromagnetic flowmeter all is to revise its table intrinsic parameter by the instrument keyboard that is installed on the electromagnetic flowmeter body, can be very inconvenient but revise its table intrinsic parameter by the instrument keyboard on the electromagnetic flowmeter body in some occasion, be installed in the field, wilderness such as electromagnetic flowmeter, operating personnel remove to revise primary parameter need spend a lot of times, and for example electromagnetic flowmeter is installed in explosion-proof place, this place does not allow the staff to open the end cap of electromagnetic flowmeter usually or carries out keyboard operation, thereby has brought inconvenience for the table intrinsic parameter of electromagnetic flowmeter.
Summary of the invention
At the defective that exists in the above-mentioned prior art, technical matters to be solved by this invention provides a kind of 485 manual operators that are used for electromagnetic flowmeter of table intrinsic parameter of energy remotely modifying electromagnetic flowmeter.
In order to solve the problems of the technologies described above, a kind of 485 manual operators that are used for electromagnetic flowmeter provided by the present invention, described electromagnetic flowmeter is provided with metering end 485 communication modules, it is characterized in that: this manual operator comprises keyboard, single-chip microcomputer, operating side 485 communication modules and 485 communication link fittings;
Described single-chip microcomputer is provided with Man Machine Interface and communication interface, and is built-in with parameter software is set, and its Man Machine Interface connects keyboard, and 485 communication modules connect 485 communication link fittings to its communication interface through the operating side.
485 manual operators that are used for electromagnetic flowmeter provided by the invention, therefore 485 communication buss and the electromagnetic flowmeter that can utilize electromagnetic flowmeter and master system to carry out communication carry out telecommunication, need not to use the table intrinsic parameter that the instrument keyboard of on-the-spot electromagnetic flowmeter can the remotely modifying electromagnetic flowmeter.
Description of drawings
Fig. 1 is the structured flowchart of 485 manual operators that are used for electromagnetic flowmeter of the embodiment of the invention.
Embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
As shown in Figure 1, a kind of 485 manual operators that are used for electromagnetic flowmeter that the embodiment of the invention provided, described electromagnetic flowmeter is provided with metering end 485 communication modules, it is characterized in that: this manual operator comprises keyboard 1, single-chip microcomputer 2, operating side 485 communication modules 3 and 485 communication link fittings 4;
Described single-chip microcomputer 2 is provided with Man Machine Interface and communication interface, and is built-in with parameter software is set, and its Man Machine Interface connects keyboard 1, and 485 communication modules 3 connect 485 communication link fittings 4 to its communication interface through the operating side.
In the embodiment of the invention, described single-chip microcomputer is that model is little process chip of m430f147, and software is set is prior art to built-in parameter in the single-chip microcomputer, and described operating side 485 communication modules are that model is the communication chip of SP3485.
The embodiment of the invention is applicable to the table intrinsic parameter setting of carrying out the electromagnetic flowmeter of communication by 485 communication buss and master system.
The manual operator that the embodiment of the invention provided adopts master-slave mode and electromagnetic flowmeter to carry out communication, the manual operator that the embodiment of the invention provided during communication is a main frame, Electromagnetic Flow is counted slave, this communication modes is similar to the communication modes of master system and electromagnetic flowmeter, when master system and electromagnetic flowmeter carry out communication, master system is a main frame, Electromagnetic Flow is counted slave, owing to occur conflict when there is a plurality of host work the same time on same 485 buses easily, when therefore the embodiment of the invention and electromagnetic flowmeter carry out communication, preferably suspend as the master system of main frame and the communication between the electromagnetic flowmeter.
The using method of the embodiment of the invention is as follows:
485 communication link fittings 4 are inserted electromagnetic flowmeter that the table intrinsic parameter need be set and 485 communication buss that master system carries out communication, parameter value by keyboard input setting, single-chip microcomputer is transmitted to operating side 485 communication modules 3 by its communication interface after receiving the data of keyboard input, pass to the target electromagnetic flowmeter by 485 communication buss after 3 pairs of digital coding of receiving of operating side 485 communication modules, the target electromagnetic flowmeter receives the data that operating side 485 communication modules 3 are sent here by its metering end 485 communication modules, and shows confidential reference items numerical value accordingly according to the Data Update of receiving;
Each communication is initiated by the manual operator as the embodiment of the invention of main frame, responds the information of the regulation of slave passback in case of necessity as the electromagnetic flowmeter of slave.
Claims (1)
1. 485 manual operators that are used for electromagnetic flowmeter, described electromagnetic flowmeter is provided with metering end 485 communication modules, it is characterized in that: this manual operator comprises keyboard, single-chip microcomputer, operating side 485 communication modules and 485 communication link fittings;
Described single-chip microcomputer is provided with Man Machine Interface and communication interface, and is built-in with parameter software is set, and its Man Machine Interface connects keyboard, and 485 communication modules connect 485 communication link fittings to its communication interface through the operating side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105727160A CN102042854A (en) | 2010-12-03 | 2010-12-03 | 485 hand operator for electromagnetic flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105727160A CN102042854A (en) | 2010-12-03 | 2010-12-03 | 485 hand operator for electromagnetic flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102042854A true CN102042854A (en) | 2011-05-04 |
Family
ID=43909208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105727160A Pending CN102042854A (en) | 2010-12-03 | 2010-12-03 | 485 hand operator for electromagnetic flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102042854A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017143580A1 (en) * | 2016-02-26 | 2017-08-31 | Micro Motion, Inc. | Communicating with two or more hosts |
-
2010
- 2010-12-03 CN CN2010105727160A patent/CN102042854A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017143580A1 (en) * | 2016-02-26 | 2017-08-31 | Micro Motion, Inc. | Communicating with two or more hosts |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110504 |