WO2006022300A1 - フィールド機器 - Google Patents
フィールド機器 Download PDFInfo
- Publication number
- WO2006022300A1 WO2006022300A1 PCT/JP2005/015358 JP2005015358W WO2006022300A1 WO 2006022300 A1 WO2006022300 A1 WO 2006022300A1 JP 2005015358 W JP2005015358 W JP 2005015358W WO 2006022300 A1 WO2006022300 A1 WO 2006022300A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wireless
- field device
- signal
- unit
- wireless communication
- 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.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31121—Fielddevice, field controller, interface connected to fieldbus
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31251—Redundant access, wireless and hardware access to fielddevices
Definitions
- the present invention relates to field devices such as pressure Z differential pressure transmitters, various flow meters, thermometers, and valve positioners that are distributed in plants, factories, etc., and in particular, additional functions and functions of wireless functions.
- the present invention relates to a field device that can be easily changed.
- Field devices are distributed and arranged in plants, factories, and the like. Field devices include pressure Z differential pressure transmitters, various flow meters, thermometers, valve positioners, and so on.
- the field device is connected to the control computer system via a 2-wire signal line, etc., and the 4-20 mA signal force transmitted through the transmission line generates power, and the collected data is sent to the ff3 ⁇ 4 control computer Send to the system.
- JP-T-10-508129, JP-A-2003-134030, JP-A-2003-134261, US Pat. No. 5,682,476 and US Pat. No. 6,236,334 are referred to as related technologies.
- FIG. 4 is a diagram illustrating an example of an entire system to which field devices as related technologies are connected.
- a differential pressure transmitter D including a valve V, a positioner P, a flow meter F, and an orifice o is connected as a variety of field devices to a nozzle Q through which various fluids flow.
- Each field device P, F, D is connected via control unit FC and I / O device IZO via 2-wire signal transmission lines LI, L2, L3, respectively.
- the supplied physical quantity signal (flow signal, pressure signal, etc.) is transmitted.
- each field device P, F, D has a built-in wireless communication unit, converts the detected physical quantity signal into a wireless signal, and transmits it to a wireless station (not shown).
- Ru [0009]
- a diagnostic tool MM I is installed at the upper level, or a diagnostic sensor is installed in an existing field device, and in addition to the above two-wire transmission line.
- Systems have also been proposed in which new signal lines are installed to diagnose field devices.
- FIG. 5 shows a general configuration block of the field device as described above.
- the field device 10 includes a sensor S and the like that detect physical quantities of various fluids.
- the values from the sensor S are AZD converted.
- a receiving unit 14 for receiving various instruction signals, setting signals, and the like from the computer and sending them to the arithmetic unit 12.
- the input / output device IZO shown in FIG. 4 simply includes a power supply ⁇ ⁇ ⁇ for supplying power to the two-wire signal line L and a resistor AZD modification (not shown) shown in FIG. It is a block provided.
- the physical quantity detected by the sensor S is subjected to various calculations and is output to the 2- wire signal transmission line L as a 4-20 mA current signal.
- the input / output device IZO receives the 4 20 mA current signal and sends it to the host control unit (controller) FC or diagnostic tool MMI.
- An object of the present invention is to provide a field device in which a wireless function can be easily added or a function can be changed.
- the present invention relates to a field device installed at a process site, Provided is a field device having a wireless terminal for connecting a detachable wireless communication device to the field device.
- the field device includes a computing unit and an output unit, and the wireless terminal includes at least one of a first wireless terminal installed in the computing unit and a second output terminal installed in the output unit. .
- the wireless communication device includes a receiving unit that receives program data and a rewritable memory that stores the program data.
- the wireless communication device includes a route setting unit that determines a transmission destination of a wireless signal.
- the wireless communication device includes a path setting unit that determines a transmission destination of the received radio signal from another field device.
- the output signal of the field device can be transmitted wirelessly by connecting the wireless communication device to the wireless terminal of the field device, diagnosis of the field device and various data processing can be performed. It becomes easy.
- the wireless communication device is a module and is detachable from the wireless terminal. For this reason, even if the specifications, standards, and standards of radio signals to be transmitted / received are changed or updated, the radio communication device can be removed, the radio device can be modified and installed again at the radio terminal. For example, if the field 'bus signal is transmitted / received by radio signal, even if the specifications, standards, standards, etc. of the field' bus signal are changed or updated, the wireless communication device is removed and this change is made. It is only necessary to install a wireless communication device corresponding to the update. This makes it easy to respond to changes and updates.
- the wireless communication device since the wireless communication device has a rewritable memory, program data corresponding to a change in the standard of a wireless signal to be transmitted / received can be downloaded using the wireless signal.
- the transmission destination of the wireless signal corresponding to the output signal or the wireless signal received also by the external force is sent to other field devices as well as normal wireless stations.
- a wireless communication device to be connected can be provided. For this reason, wireless relay This wireless communication device can be used as a point.
- a wireless terminal is installed in a field device so that a wireless communication device having a modular configuration can be attached and detached. Therefore, wireless communication is possible with respect to existing field devices installed in a system. It is possible to easily add functions or change functions.
- FIG. 1 is a diagram showing the entire configuration of a field device of the present invention.
- FIG. 2 is a diagram showing the field device of the present invention as a module configuration.
- FIG. 3 is a diagram of an overall system using the field device of the present invention.
- FIG. 4 is a diagram of an entire system using field devices as related technology.
- FIG. 5 is a configuration block diagram of a field device as a related technique.
- FIG. 1 is a block diagram showing the configuration of a field device that is useful in the present invention.
- the field device 100 of the present embodiment includes a sensor S, and a connection point C1,
- the output unit Z includes a DZA conversion unit 13 and a transmission / reception unit 15.
- the signal from the arithmetic unit 12 is transmitted to the two-wire transmission signal line L via the transmission / reception unit 15 and the DZA conversion unit 13, while the signal of the two-wire signal line L force is received by the transmission / reception unit 15. Then, it is passed to the processing unit 12 for processing.
- the power supply E is a block that supplies power to each component of the field device 100.
- a wireless terminal (al or a2) is installed in an internal functional module that transmits and receives externally.
- the wireless communication device 20 can be attached to the field device 100 by externally connecting the wireless communication device 20 having a module configuration to the wireless terminal (al or a2).
- the functional module is, for example, the calculation unit 12 or the output unit Z.
- the calculation unit 12 is provided with a wireless terminal al
- the output unit Z is provided with an output terminal a2.
- a wireless communication device 20 is arbitrarily installed at these wireless terminals al and a2.
- the wireless communication unit 20 includes a wireless transmission / reception unit 21, a calculation unit 22, and a rewritable memory m, and is a module that can be attached to and detached from the terminals al and a2 of the field device 100.
- the field device 100 described above operates as follows.
- the signal received from the two-wire signal line L is supplied to the power source E, and is supplied to each element in the field device 100 as a power source.
- the handheld terminal force setting change signal or the like is received by the transmission / reception unit 15 and the calculation unit 12 receives the signal. Give a setting change signal.
- the field device 100 when the field device 100 is updated to a device that supports wireless signals, the wireless terminal al of the computing unit 12 or the output terminal a2 of the output unit Z is Install the radio communication unit 20 as a joule as needed. [0045] Thereby, the field device 100 can be updated to a wireless-compatible field device, and the output signal from the calculation unit 12 or the output signal from the DZA conversion unit 13 is the wireless signal in the wireless communication unit 20. Transmitted from the transceiver 21 to the outside as a wireless signal.
- the field device 100 can transmit the radio signal only from the radio communication device 20 as an output signal of the field device 100 at the same time as transmitting the signal to the two-wire signal line L. .
- the radio communication unit 20 receives the setting change signal, and the radio transmission / reception unit 21, a CPU, etc.
- the calculation unit 22 supplies the calculation unit 12 with a setting change signal.
- the wireless communication unit 20 includes the calculation unit 22 and the memory m, the wireless protocol received by the wireless communication unit 20 is converted into the configuration change signal form corresponding to the calculation unit 12. Can do.
- the memory m stores the wireless protocol signal to be received and the signal form that can be processed by the computing unit 12 in a table format, for example.
- the wireless communication unit 20 corresponding to the change is changed. If this is removed and a new wireless communication module is installed at terminals al and a2, this setting update can be handled immediately.
- the field device 100 transmits / receives a field 'bus signal via the wireless communication unit 20
- the field' bus signal specifications, standards, and standards are new. Even when something is added or updated, the wireless communication device 20 can be attached and detached as a module, or setting updates can be downloaded wirelessly.
- a circuit board for example, a circular printed board
- the calculation unit 12 and the output unit Z, and the wireless communication device 20 as a circuit board are also connected to the terminal al and the terminal a2. Arrival It can be removed. In this way, the module configuration of the radio communication device 20 is realized.
- the path setting unit 23 designates a higher-level radio station that is the transmission destination of the radio signal of the radio communication device 20 or sets the radio communication device 20 installed in another field device 100. It is a circuit unit that sets an algorithm that designates a relay point and designates another radio communication device 20 when the radio communication device 20 that is the relay point is faulty or abnormal.
- FIG. 3 is an example of an entire system including field devices to which such a wireless communication device is added.
- the field devices P, F, and D in the conventional overall system shown in FIG. 4 are connected to the external power using the wireless communication devices PM, FM, and DM as modules.
- each field device P, F, D interposes wireless communication devices PM, FM, DM, and transmits signals sent to the two-wire signal transmission lines LI, L2, L3 to the wireless signal ml , m2, m3 can be transmitted to the radio station ST. Or, you can communicate with the wireless handheld terminal HHT and wireless signal m6.
- the radio may not reach the radio station ST.
- Communication device DM transmits wireless signal m4 to wireless communication device FM
- wireless communication device FM serves as a relay point
- wireless communication device FM transmits wireless signal m5 to wireless communication device PM
- wireless communication device PM You can set the wireless route to send the wireless signal ml from the wireless station ST.
- a route opposite to the above route may be set.
- the relay point If the wireless communication device is out of order, the wireless route may be changed to change the relay point.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control By Computers (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/661,332 US20070270177A1 (en) | 2004-08-24 | 2005-08-24 | Field Device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-243706 | 2004-08-24 | ||
| JP2004243706A JP2006065385A (ja) | 2004-08-24 | 2004-08-24 | フィールド機器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006022300A1 true WO2006022300A1 (ja) | 2006-03-02 |
Family
ID=35967509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/015358 Ceased WO2006022300A1 (ja) | 2004-08-24 | 2005-08-24 | フィールド機器 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20070270177A1 (ja) |
| JP (1) | JP2006065385A (ja) |
| WO (1) | WO2006022300A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015022416A (ja) * | 2013-07-17 | 2015-02-02 | 横河電機株式会社 | フィールド機器及び通信システム |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007003196A1 (de) * | 2006-01-23 | 2007-07-26 | Abb Patent Gmbh | Kommunikationssystem |
| US7634322B2 (en) * | 2007-03-23 | 2009-12-15 | Honeywell International Inc. | Configuration of wireless field devices for process control plants |
| JP2008287619A (ja) * | 2007-05-21 | 2008-11-27 | Koyo Electronics Ind Co Ltd | Plcモジュール、ビルディングブロックタイプのプログラマブルコントローラ、携帯型通信デバイス |
| JP2009251851A (ja) * | 2008-04-04 | 2009-10-29 | Koyo Electronics Ind Co Ltd | 工程に配置した溶剤ボトル内の溶剤切れ予告システム |
| JP2012043127A (ja) * | 2010-08-18 | 2012-03-01 | Yokogawa Electric Corp | フィールド機器 |
| JP2016105219A (ja) * | 2014-12-01 | 2016-06-09 | 三菱電機株式会社 | プロセス入出力装置 |
| WO2017134542A1 (en) * | 2016-02-07 | 2017-08-10 | Rotal Innovative Technologies Ltd. | System and methods for a multi-function pressure device using piezoelectric sensors |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01204103A (ja) * | 1988-02-09 | 1989-08-16 | Fanuc Ltd | Pcシステム |
| JP2001034313A (ja) * | 1999-07-21 | 2001-02-09 | Fuji Electric Co Ltd | プロセス制御システム |
| JP2003134030A (ja) * | 2001-10-23 | 2003-05-09 | Yokogawa Electric Corp | 通信システム |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2203561C (en) * | 1994-10-24 | 2004-09-21 | Thomas Andrew Boyd | Apparatus for providing access to field devices in a distributed control system |
| US6891838B1 (en) * | 1998-06-22 | 2005-05-10 | Statsignal Ipc, Llc | System and method for monitoring and controlling residential devices |
| US7640007B2 (en) * | 1999-02-12 | 2009-12-29 | Fisher-Rosemount Systems, Inc. | Wireless handheld communicator in a process control environment |
| JP2002341906A (ja) * | 2001-05-15 | 2002-11-29 | Digital Electronics Corp | プログラム式表示装置およびその表示装置を用いたデータ通信システム |
| JP3815603B2 (ja) * | 2001-10-29 | 2006-08-30 | 横河電機株式会社 | 通信システム |
| US7460865B2 (en) * | 2003-06-18 | 2008-12-02 | Fisher-Rosemount Systems, Inc. | Self-configuring communication networks for use with process control systems |
| US20040260405A1 (en) * | 2003-06-18 | 2004-12-23 | Ron Eddie | Modular monitoring, control and device management for use with process control systems |
| US7436797B2 (en) * | 2003-06-18 | 2008-10-14 | Fisher-Rosemount Systems, Inc. | Wireless architecture and support for process control systems |
| US7330695B2 (en) * | 2003-12-12 | 2008-02-12 | Rosemount, Inc. | Bus powered wireless transmitter |
-
2004
- 2004-08-24 JP JP2004243706A patent/JP2006065385A/ja active Pending
-
2005
- 2005-08-24 WO PCT/JP2005/015358 patent/WO2006022300A1/ja not_active Ceased
- 2005-08-24 US US11/661,332 patent/US20070270177A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01204103A (ja) * | 1988-02-09 | 1989-08-16 | Fanuc Ltd | Pcシステム |
| JP2001034313A (ja) * | 1999-07-21 | 2001-02-09 | Fuji Electric Co Ltd | プロセス制御システム |
| JP2003134030A (ja) * | 2001-10-23 | 2003-05-09 | Yokogawa Electric Corp | 通信システム |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015022416A (ja) * | 2013-07-17 | 2015-02-02 | 横河電機株式会社 | フィールド機器及び通信システム |
| US9374271B2 (en) | 2013-07-17 | 2016-06-21 | Yokogawa Electric Corporation | Field device, communication system, and method for controlling field device |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070270177A1 (en) | 2007-11-22 |
| JP2006065385A (ja) | 2006-03-09 |
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