JP2002123885A - Communication converter - Google Patents
Communication converterInfo
- Publication number
- JP2002123885A JP2002123885A JP2000314774A JP2000314774A JP2002123885A JP 2002123885 A JP2002123885 A JP 2002123885A JP 2000314774 A JP2000314774 A JP 2000314774A JP 2000314774 A JP2000314774 A JP 2000314774A JP 2002123885 A JP2002123885 A JP 2002123885A
- Authority
- JP
- Japan
- Prior art keywords
- communication
- signal
- converter
- signals
- physical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Volume Flow (AREA)
- Details Of Flowmeters (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、受信側は、既存の
測定器が容易に使用でき、安価な通信変換器に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inexpensive communication converter in which an existing measuring instrument can be easily used on the receiving side.
【０００２】[0002]
【従来の技術】図２は、従来より一般に使用されている
従来例の構成説明図である。図において、１は渦流量計
を利用した気体の質量流量計で、その出力は、複数の物
理量あるいは化学量の信号が含まれる1個の通信信号Ａ
が出力される。2. Description of the Related Art FIG. 2 is an explanatory view of the configuration of a conventional example generally used conventionally. In the figure, reference numeral 1 denotes a gas mass flow meter using a vortex flow meter, the output of which is a single communication signal A including a plurality of physical or chemical signals.
Is output.
【０００３】この場合は、具体的には、流量Ｓ１、温度
Ｓ２、圧力Ｓ３の測定信号が含まれる。カルマン渦を利
用した渦流量計は、流速に配管面積を乗じて体積流量を
算出している。In this case, specifically, measurement signals of the flow rate S1, the temperature S2, and the pressure S3 are included. The vortex flowmeter using the Karman vortex calculates the volume flow rate by multiplying the flow velocity by the pipe area.
【０００４】質量流量に変換する場合、密度算出のた
め、圧力および温度が必要であるため、流量計内部に温
度計と圧力計を設置し、そのデータをもとに質量流量を
変換器で計算し質量流量信号を出力する。When converting to mass flow, pressure and temperature are required for density calculation, so a thermometer and pressure gauge are installed inside the flow meter, and the mass flow is calculated by the converter based on the data. And output the mass flow signal.
【０００５】従って、質量流量計における通信では、質
量流量データ以外に、圧力データ、温度データが送り出
せる。２は通信信号Ａを受けて、受信側に設けられた流
量変換器で、流量測定信号Ｓ１、例えば、４〜２０ｍ
A、１〜５Ｖの信号が得られる。Therefore, in communication with the mass flow meter, pressure data and temperature data can be sent out in addition to the mass flow data. Reference numeral 2 denotes a flow rate converter provided on the receiving side upon receiving the communication signal A, and a flow rate measurement signal S1, for example, 4 to 20 m
A, a signal of 1 to 5 V is obtained.
【０００６】３は通信信号Ａを受けて、受信側に設けら
れた温度変換器で、温度測定信号Ｓ２、例えば、４〜２
０ｍA、１〜５Ｖの信号が得られる。４は通信信号Ａを
受けて、受信側に設けられた圧力変換器で、圧力測定信
号Ｓ３、例えば、４〜２０ｍA、１〜５Ｖの信号が得ら
れる。Reference numeral 3 denotes a temperature converter provided on the receiving side in response to the communication signal A, and a temperature measurement signal S2, for example, 4 to 2
A signal of 0 mA and 1 to 5 V is obtained. Reference numeral 4 denotes a pressure transducer provided on the receiving side upon receiving the communication signal A, and obtains a pressure measurement signal S3, for example, a signal of 4 to 20 mA, 1 to 5V.
【０００７】[0007]
【発明が解決しようとする課題】しかしながら、このよ
うな装置においては、以下の問題点がある。 （１）従来の通信を信号に変換する製品の欠点は、受信
側で通信を信号に変換する際、受信側に通信の専門知識
が必要となる。However, such an apparatus has the following problems. (1) A drawback of the conventional communication-to-signal conversion product is that when the communication is converted to a signal on the receiving side, the receiving side requires expertise in communication.
【０００８】（２）測定信号１つに対して１個の変換器
が必要のため、複数の測定信号を得る為には手間がかか
る。 （３）複数台必要となるので、装置全体として高価とな
る。(2) Since one converter is required for one measurement signal, it takes time and effort to obtain a plurality of measurement signals. (3) Since a plurality of units are required, the entire apparatus becomes expensive.
【０００９】本発明の目的は、上記の課題を解決するも
ので、受信側は、既存の測定器が容易に使用でき、安価
な通信変換器を提供することにある。[0009] An object of the present invention is to solve the above-mentioned problems, and to provide an inexpensive communication converter in which a receiving side can easily use an existing measuring instrument.
【００１０】[0010]
【課題を解決するための手段】このような目的を達成す
るために、本発明では、請求項１の渦流量計において
は、複数の物理量あるいは化学量の信号が含まれる1個
の通信信号が出力される測定装置の出力端に設けられ、
前記複数の物理量あるいは化学量の信号が含まれる1個
の通信信号が入力され、この通信入力信号が変換されて
前記複数の物理量あるいは化学量の信号がそれぞれ個々
の物理量あるいは化学量の信号として別々に出力される
通信変換器を具備したことを特徴とする。In order to achieve the above object, according to the present invention, in the vortex flowmeter of the first aspect, one communication signal including a plurality of physical or chemical signals is provided. Provided at the output end of the output measuring device,
One communication signal including the plurality of physical quantity or stoichiometric signals is input, and this communication input signal is converted to separate the plurality of physical quantity or stoichiometric signals as individual physical quantity or stoichiometric signals. A communication converter that outputs the data to the communication device.
【００１１】本発明の請求項２においては、流量信号と
温度信号と圧力信号とが含まれる1個の通信信号が出力
される質量流量計の出力端に設けられ、前記1個の通信
信号が入力され、この通信入力信号が変換されて前記流
量信号と温度信号と圧力信号とがそれぞれ個々の信号と
して別々に出力される通信変換器を具備したことを特徴
とする。According to a second aspect of the present invention, an output terminal of a mass flowmeter for outputting one communication signal including a flow signal, a temperature signal, and a pressure signal is provided, and the one communication signal is provided. A communication converter is provided which is inputted and converts the communication input signal to output the flow rate signal, the temperature signal and the pressure signal separately as individual signals.
【００１２】[0012]
【発明の実施の形態】以下図面を用いて本発明を詳しく
説明する。図１は本発明の一実施例の要部構成説明図で
ある。図において、図２と同一記号の構成は同一機能を
表す。以下、図２と相違部分のみ説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings. FIG. 1 is an explanatory diagram of a main configuration of an embodiment of the present invention. In the drawing, the same reference numerals as in FIG. 2 indicate the same functions. Hereinafter, only differences from FIG. 2 will be described.
【００１３】通信変換器１１は、複数の物理量あるいは
化学量の信号が含まれる1個の通信信号Ａが出力される
測定装置１の出力端Ｂに設けられ、複数の物理量あるい
は化学量の信号が含まれる1個の通信信号Ａが入力さ
れ、この通信入力信号Ａが変換されて、複数の物理量あ
るいは化学量の信号がそれぞれ個々の物理量あるいは化
学量の信号として別々に出力される。The communication converter 11 is provided at an output end B of the measuring device 1 from which one communication signal A including a plurality of physical quantity or stoichiometric signals is output. One contained communication signal A is input, the communication input signal A is converted, and a plurality of physical quantity or chemical quantity signals are separately output as individual physical quantity or chemical quantity signals, respectively.
【００１４】この場合は、測定装置１として、質量流量
計が使用され、通信信号Ａには、流量、温度、圧力デー
タが含まれる。そして、通信変換器１１により、流量信
号Ｓ１、温度信号Ｓ２、圧力信号Ｓ３が別々に出力され
る。In this case, a mass flow meter is used as the measuring device 1, and the communication signal A includes flow rate, temperature, and pressure data. Then, the flow signal S1, the temperature signal S2, and the pressure signal S3 are separately output by the communication converter 11.
【００１５】この結果、 （１）1個の通信を複数の測定信号に変換する場合に、
通信変換器１１により、送信側で予め複数の測定信号Ｓ
１，Ｓ２，Ｓ３に変換されているので、受信側に通信の
専門知識を必要とせず、受信側は、既存の測定器、記録
計、調節計等を容易に使用できる通信変換器が得られ
る。As a result, (1) when one communication is converted into a plurality of measurement signals,
By the communication converter 11, a plurality of measurement signals S
1, S2, S3, so that the receiving side does not need communication expertise, and the receiving side can obtain a communication converter that can easily use existing measuring instruments, recorders, controllers, and the like. .
【００１６】（２）送信側の測定装置１の出力端Ｂに設
けられるので、設置工事が容易な通信変換器が得られ
る。 （３）将来通信を使用した計装に変更する場合は、通信
変換器１１を外せば良いので、信号システムに柔軟に対
応できる通信変換器が得られる。(2) Since it is provided at the output end B of the measuring device 1 on the transmitting side, a communication converter that can be easily installed can be obtained. (3) When changing to instrumentation using communication in the future, the communication converter 11 may be removed, so that a communication converter that can flexibly cope with the signal system can be obtained.
【００１７】（４）送信側は、各センサ出力毎に専用ア
ンプを準備する必要がないので、コストを低減出来る通
信変換器が得られる。 （５）受信側では、各物理量毎の変換器が必要で無いの
で、コストを低減出来、安価な通信変換器が得られる。(4) Since the transmitting side does not need to prepare a dedicated amplifier for each sensor output, a communication converter that can reduce costs can be obtained. (5) Since the receiving side does not need a converter for each physical quantity, the cost can be reduced and an inexpensive communication converter can be obtained.
【００１８】なお、以上の説明は、本発明の説明および
例示を目的として、特定の好適な実施例を示したに過ぎ
ない。したがって本発明は、上記実施例に限定されるこ
となく、その本質から逸脱しない範囲で更に多くの変
更、変形をも含むものである。It should be noted that the foregoing description has been directed to specific preferred embodiments for the purpose of illustration and illustration of the invention. Therefore, the present invention is not limited to the above-described embodiment, but includes many more changes and modifications without departing from the essence thereof.
【００１９】[0019]
【発明の効果】以上説明したように、本発明の請求項
１，請求項２によれば、次のような効果がある。 （１）1個の通信を複数の測定信号に変換する場合に、
通信変換器により、送信側で予め複数の測定信号に変換
されているので、受信側に通信の専門知識を必要とせ
ず、受信側は、既存の測定器、記録計、調節計等を容易
に使用できる通信変換器が得られる。As described above, according to the first and second aspects of the present invention, the following effects can be obtained. (1) When converting one communication into multiple measurement signals,
Since the transmitter converts the signal into a plurality of measurement signals in advance by the communication converter, the receiver does not need communication expertise, and the receiver can easily use existing measuring instruments, recorders, controllers, etc. A usable communication converter is obtained.
【００２０】（２）送信側の測定装置の出力端Ｂに設け
られるので、設置工事が容易な通信変換器が得られる。 （３）将来通信を使用した計装に変更する場合は、通信
変換器を外せば良いので、信号システムに柔軟に対応で
きる通信変換器が得られる。(2) Since it is provided at the output end B of the measuring device on the transmitting side, a communication converter that can be easily installed can be obtained. (3) When changing to instrumentation using communication in the future, the communication converter may be removed, so that a communication converter that can flexibly cope with the signal system can be obtained.
【００２１】（４）送信側は、各センサ出力毎に専用ア
ンプを準備する必要がないので、コストを低減出来る通
信変換器が得られる。 （５）受信側では、各物理量毎の変換器が必要で無いの
で、コストを低減出来、安価な通信変換器が得られる。
従って、本発明によれば、受信側は、既存の測定器が容
易に使用でき、安価な通信変換器を実現することが出来
る。(4) Since the transmitting side does not need to prepare a dedicated amplifier for each sensor output, a communication converter that can reduce costs can be obtained. (5) Since the receiving side does not need a converter for each physical quantity, the cost can be reduced and an inexpensive communication converter can be obtained.
Therefore, according to the present invention, an existing measuring instrument can be easily used on the receiving side, and an inexpensive communication converter can be realized.
【図１】本発明の一実施例の要部構成説明図である。FIG. 1 is an explanatory diagram of a main part configuration of an embodiment of the present invention.
【図２】従来より一般に使用されている従来例の要部構
成説明図である。FIG. 2 is an explanatory view of a configuration of a main part of a conventional example generally used in the related art.
１ 質量流量計 ２ 流量変換器 ３ 温度変換器 ４ 圧力変換器 １１ 通信変換器 Ａ 通信信号 Ｓ１ 流量信号 Ｓ２ 温度信号 Ｓ３ 圧力信号 DESCRIPTION OF SYMBOLS 1 Mass flow meter 2 Flow converter 3 Temperature converter 4 Pressure converter 11 Communication converter A Communication signal S1 Flow signal S2 Temperature signal S3 Pressure signal
Claims (2)
れる1個の通信信号が出力される測定装置の出力端に設
けられ、前記複数の物理量あるいは化学量の信号が含ま
れる1個の通信信号が入力され、この通信入力信号が変
換されて前記複数の物理量あるいは化学量の信号がそれ
ぞれ個々の物理量あるいは化学量の信号として別々に出
力される通信変換器。1. A communication device provided at an output end of a measuring device for outputting one communication signal including a plurality of physical quantity or stoichiometric signals, wherein one communication signal including the plurality of physical or stoichiometric signals is provided. A communication converter which receives a signal, converts the communication input signal, and outputs the plurality of physical or stoichiometric signals separately as individual physical or stoichiometric signals.
る1個の通信信号が出力される質量流量計の出力端に設
けられ、前記1個の通信信号が入力され、この通信入力
信号が変換されて前記流量信号と温度信号と圧力信号と
がそれぞれ個々の信号として別々に出力される通信変換
器。2. A mass flowmeter for outputting one communication signal including a flow signal, a temperature signal, and a pressure signal, which is provided at an output end of the mass flowmeter. Is a communication converter in which the flow rate signal, the temperature signal, and the pressure signal are separately output as individual signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000314774A JP2002123885A (en) | 2000-10-16 | 2000-10-16 | Communication converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000314774A JP2002123885A (en) | 2000-10-16 | 2000-10-16 | Communication converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002123885A true JP2002123885A (en) | 2002-04-26 |
Family
ID=18793973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000314774A Pending JP2002123885A (en) | 2000-10-16 | 2000-10-16 | Communication converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002123885A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015114156A (en) * | 2013-12-10 | 2015-06-22 | 株式会社バルコム | Pressure gauge for measuring differential pressure |
-
2000
- 2000-10-16 JP JP2000314774A patent/JP2002123885A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015114156A (en) * | 2013-12-10 | 2015-06-22 | 株式会社バルコム | Pressure gauge for measuring differential pressure |
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