CN103176435B - Realize the interface arrangement and method of dcs and measuring apparatus interconnection - Google Patents
Realize the interface arrangement and method of dcs and measuring apparatus interconnection Download PDFInfo
- Publication number
- CN103176435B CN103176435B CN201110441188.XA CN201110441188A CN103176435B CN 103176435 B CN103176435 B CN 103176435B CN 201110441188 A CN201110441188 A CN 201110441188A CN 103176435 B CN103176435 B CN 103176435B
- Authority
- CN
- China
- Prior art keywords
- signal
- data
- input
- module
- addressable remote
- 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.)
- Active
Links
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Programmable Controllers (AREA)
Abstract
The present invention discloses the interface arrangement and method of realizing dcs and measuring apparatus interconnection, wherein device includes input multiplexer, isolation module and control module；Each input channel in addition to the analog data acquisition module including AI passages, also including HART passages：Filter capacitor filtering output HART signal, Shaping Module selected input or exports HART signal and carries out shaping filter；Control module is processed into HART data to the HART signal of shaped filtering, while the analog current signal that AI roads are input into is processed into current data, DPU is transferred to together.The present invention easily carries out bi-directional digital communication while industrial signal is transmitted between DCS equipment and intelligent measure equipment, so as to enormously simplify signal transmission form, and the reliability of interface is improve by Redundancy Design.
Description
Technical field
The present invention relates to the data exchange skill of dcs (DCS, Distributed Control System)
Art, more particularly to realize the interface arrangement and method of dcs and intelligent measure apparatus interconnection.
Background technology
Dcs be one by process control level and process monitoring level constitute with communication network as tie
Multi-level computer system, it combines computer (Computer), communication (Communication), display (CRT) and control
(Control) technology (i.e. 4C technologies), basic thought is realized to the decentralised control of system, centralized operation, differentiated control, flexibly
Configure and facilitate configuration.DCS has the functions such as data acquisition, direct data control, man-machine interaction and monitoring and management.
Industrial control field in industry-by-industry since dcs comes out has obtained widely should
With especially with networked capabilities of system high reliability in itself, convenient configuration software, abundant control algolithm and opening etc. gradually
As the dominant systems that process industrial is automatically controlled.With modern computer and the high speed development of communication network technique, DCS is positive
The direction for diversification, networking, Opening and integrated management is developed.Therefore, requirement higher is proposed to it：Must be able to
It is enough to be interconnected to realize the data exchange between system from intelligent measure equipment and different DCS equipment by DCS.
Highway addressable remote transducer (HART, Highway Addressable Remote Transducer)
Field bus protocol is the communication standard that industrial control field is widely recognized as, its compatible existing 4~20mA industrial equipment and electricity
Cable, while also add the ability of the digital communication of equipment room.
At present, also dcs and intelligent measure equipment it are not applied to realize using HART field bus protocols
The multi-channel interface device of interconnection, and existing interface arrangement also generally existing reliability and speed ability problem.Therefore, need
There is provided and a kind of realize dcs with the interface arrangement and method of intelligent measure apparatus interconnection to solve the above problems.
The content of the invention
The technical problems to be solved by the invention are to provide one kind and realize that dcs is mutual with intelligent measure equipment
Interface arrangement even and method, can improve the performance for interconnecting by using HART field bus protocols.
In order to solve the above-mentioned technical problem, realize that dcs is interconnected with measuring apparatus the invention provides one kind
Input interface unit, including input multiplexer, isolation module and control module；Characterized in that, each input channel
In addition to the analog data acquisition module including analog input channel, the also filtering including highway addressable remote transducer
Electric capacity and Shaping Module, wherein：
One end of filter capacitor connects the first input end of corresponding input channel, and filter capacitor other end connection is corresponding
Shaping Module, for filtering output highway addressable remote transducer signal；
Shaping Module, for selected input or output highway addressable remote transducer signal, and can to what is gated
Addressable Remote Transducer high-speed channel signal carries out shaping filter；
Isolation module, for respectively by highway addressable remote transducer, analog input channel and control module every
From；
Control module, it is remote into addressable for the highway addressable remote transducer signal transacting to shaped filtering
Journey sensor high-speed channel data, while the analog signal processing that analog input channel is input into is transmitted together into current data
Give dcs processing unit.
Further,
The highway addressable remote transducer number that control module also sends the dcs processing unit
Sent out according to highway addressable remote transducer signal is processed into.
Further, Shaping Module includes that multichannel receives shaping unit by the HART that controlling switch gates connection；Simulation
Data acquisition module includes input resistance, wave filter and the analog-to-digital conversion module of analog input channel；Wherein：
HART receives shaping unit, and the highway addressable remote transducer signal for being exported to filter capacitor is carried out
Shaping filter；
The two ends of input resistance connect the first input end and the second input of respective channel respectively, and two inputs are simultaneously
Connect the input of respective filter；
Wave filter, for being filtered to the input voltage that input resistance sampling input current is formed, and exports to modulus
Modular converter；
Analog-to-digital conversion module, the voltage signal for wave filter to be exported carries out analog-to-digital conversion, and it is logical to form serial data
Serial device interfaces are crossed to export to isolation module；
Isolation module is by corresponding photoisolator respectively by highway addressable remote transducer, simulation input
While passage is isolated with control module, the highway addressable remote transducer signal and analog data acquisition of input are transmitted
The serial data of module output；
Control module is sensed by signal demodulation unit to the addressable remote that shaping unit shaping filter is received through HART
Device high-speed channel signal is demodulated to corresponding serial data, the serial data is received by UART receiving units, by serioparallel exchange
The serial data for receiving is converted into corresponding parallel data by unit, by HART protocol processing unit by the parallel data solution
Analyse into highway addressable remote transducer data；Analog data acquisition module is exported by data acquisition process unit
Serial data collection is processed into current data；By High-Level Data Link Control unit by highway addressable remote transducer
Data are carried together with the current data of corresponding analog input channel, and are exported to distributed control by double RS-485 interfaces
System processing unit processed.
Further, Shaping Module also includes that multichannel sends shaping unit by the HART that controlling switch gates connection, its
In：
Control module passes through the addressable remote biography that double RS-485 interface dcs processing units are exported
Sensor high-speed channel data, pass sequentially through the data that High-Level Data Link Control unit, HART protocol processing unit will be received
Corresponding parallel data is processed into, the parallel data is converted into by corresponding serial data by parallel serial conversion unit, passed through
UART transmitting elements send the serial data, and the serial data is modulated into addressable remote by signal modulation unit senses
Device high-speed channel signal output；
Isolation module is by corresponding photoisolator respectively by the highway addressable remote transducer, simulation
While input channel is isolated with the control module, highway addressable remote transducer signal is also transmitted；
HART sends shaping unit, and the highway addressable remote transducer signal for photoisolator to be transmitted enters
Row filter shape.
Further, the mould of the Shaping Module of multichannel highway addressable remote transducer and multi-channel analog input channel
Intend data acquisition module to be installed on subcard, isolation module and control module are installed on main card；
Realize that signal redundancy is input into using input multiplexer is transformed into two paths of signals per signal parallel all the way, i.e.,
To be connected to per signal parallel all the way on two sets of slot relevant positions on a base, every suit slot include a main card slot and
One subcard slot；Wherein, main card is inserted on main card slot, and subcard is inserted on subcard slot, main card and the subcard each other by
The contact pin of signal connects together, and is covered by a shell.
In order to solve the above-mentioned technical problem, realize that dcs is interconnected with measuring apparatus the invention provides one kind
Input interface method, be related to input multiplexer, isolation module and control module；Characterized in that, the method includes：
In multichannel per in input channel all the way, addressable remote is gathered out from input signal by filter capacitor and is sensed
Device high-speed channel signal, shaping filter is carried out by Shaping Module by the signal；Simultaneously by the defeated of analog data acquisition module
Enter resistance and gather out analog input signal from input signal, and analog input signal to gathering is filtered and modulus turns
Change；
Control module by isolation module receive by shaping filter highway addressable remote transducer signal and
By the data signal after analog-to-digital conversion；By highway addressable remote transducer signal transacting into addressable remote
High-speed channel data, by the Digital Signal Processing into current data, and are transferred to dcs processing unit together.
Further, the method also includes：
The highway addressable remote transducer number that control module also sends the dcs processing unit
According to being processed into highway addressable remote transducer signal；
The highway addressable remote transducer signal that molding block is processed into is filtered by signal shaping
Exported after shaping.
Further, control module is by highway addressable remote transducer signal transacting into addressable remote
High-speed channel data, and by the Digital Signal Processing into current data, and dcs treatment is transferred to together
Unit, specifically includes：
The highway addressable remote transducer signal of shaped filtering is demodulated to corresponding serial data, using UART
Reception mode receives the serial data, the serial data for receiving is converted into corresponding parallel data, by the parallel data solution
Analyse into highway addressable remote transducer data；The analog current signal that will be gathered from input signal by input resistance
Analog voltage signal is converted into, by analog voltage signal filtering and analog-to-digital conversion into serial data signal, is then gone here and there this
Capable Digital Signal Processing is into current data；
Highway addressable remote transducer data are carried on one with the current data of corresponding analog input channel
Rise, and exported by double RS-485 interfaces and give dcs processing unit.
Further, the addressable remote that control module also sends the dcs processing unit is high
Fast channel data is processed into highway addressable remote transducer signal, specifically includes：
Control module passes through the addressable remote biography that double RS-485 interface dcs processing units are exported
The data for receiving are processed into corresponding parallel data by sensor high-speed channel data, by parallel serial conversion unit that this is parallel
Data conversion sends the serial data into corresponding serial data using UART sending methods, and the serial data is modulated into can
Exported after Addressable Remote Transducer high-speed channel signal.
Further, before the method step is performed, also include：
The Shaping Module of multichannel highway addressable remote transducer and the analogue data of multi-channel analog input channel are adopted
Collection module is installed on subcard, and isolation module and control module are installed on main card；
Realize that signal redundancy is input into using input multiplexer is transformed into two paths of signals per signal parallel all the way, i.e.,
To be connected to per signal parallel all the way on two sets of slot relevant positions on a base, every suit slot include a main card slot and
One subcard slot；Wherein, main card is inserted on main card slot, and subcard is inserted on subcard slot, main card and the subcard each other by
The contact pin of signal connects together, and is covered by a shell.
What the present invention was provided realizes the interface arrangement and method of dcs and intelligent measure apparatus interconnection, due to
HART field bus protocols are applied on the interconnection interface of dcs (DCS), therefore, it is possible in DCS and intelligent testing
While 4~20mA industry signals are transmitted between amount equipment, bi-directional digital communication is easily carried out, so as to enormously simplify signal
Transmission means simultaneously improves reliability.In addition, further increasing the reliability of interface by the Redundancy Design in interface arrangement.
Brief description of the drawings
Fig. 1 is the input interface unit embodiment for realizing dcs and intelligent measure apparatus interconnection of the invention
Theory diagram；
Fig. 2 is the concrete structure block diagram of the input interface unit embodiment shown in Fig. 1；
Fig. 3 is 16 passage HART PLUS AI signal redundancy base circuits in the input interface unit embodiment shown in Fig. 1
Board mounting structure schematic diagram；
Fig. 4 is 16 passage HART PLUS AI signals and its redundancy base in the input interface unit embodiment shown in Fig. 1
Theory diagram.
Specific embodiment
Technical scheme is set forth in below in conjunction with accompanying drawing and preferred embodiment.It should be understood that with
Under the embodiment that enumerates be merely to illustrate and explain the present invention, without constituting the limitation to technical solution of the present invention.
The input interface unit embodiment for realizing dcs and intelligent measure apparatus interconnection of the invention, it is former
Reason as shown in figure 1, including input multiplexer, isolation module and control module, wherein：
Each input channel in addition to including simulation input (AI) passage, also filter capacitor (Ci, i including HART passages
=1~16) and Shaping Module (i, i=1~16), wherein：
One end of filter capacitor connects first input end (the In ia, i=1~16), the filter capacitor of corresponding input channel
The other end connects corresponding Shaping Module, for filtering the HART signal exported on this passage；
Shaping Module, for selected input or output HART signal, and to gate HART signal carry out shaping filter；
Isolation module, for respectively isolating HART passages, AI passages with control module, so as to improve this input interface dress
The reliability put；
Control module, HART data are processed into for the HART signal to shaped filtering, while AI passages are input into
Analog signal processing is transferred to DCS processing units (DPU) together into current data；And/or at the HART data for sending DPU
HART signal is managed into send out.
The concrete structure of above-mentioned input interface unit embodiment as shown in Fig. 2 wherein, multiple HART passages (1~16)
The AI data acquisition modules of HART signal Shaping Module and multiple AI passages (1~16) are installed on subcard, isolation module with
Control module is installed on main card；HART signal Shaping Module includes that multichannel is connect by the HART that controlling switch K gates connection
Receive shaping unit and HART sends shaping unit；AI data acquisition modules including multiple AI passages input resistance (Ri, i=1~
16), wave filter (i, i=1~16) and analog-to-digital conversion module；Wherein：
HART receives shaping unit to be used to carry out shaping and filtering to the HART signal of filter capacitor output, and HART sends whole
The HART signal that shape unit is used to send carries out shaping and filtering, and filters output by filter capacitor；
The two ends of the input resistance of AI passages connect respectively respective channel first input end (In ia, i=1~16) and
Second input (In ib, i=1~16), two inputs connect the input of respective filter simultaneously；
Wave filter, for being filtered to the input voltage that input resistance sampling input current is formed, and exports to modulus
Modular converter；
Analog-to-digital conversion module, the voltage signal for wave filter to be exported carries out analog-to-digital conversion, and it is logical to form serial data
Serial device interfaces (SPI) are crossed to export to isolation module；
Isolation module pass through multiple photoisolators respectively by HART passages, AI passages isolate with control module it is same
When, HART signal and the serial data of AI data acquisition modules output that transmission HART passages are input into；
Control module is demodulated to HART serial datas by signal demodulation unit to the HART signal of shaped filtering, passes through
UART receiving units receive the HART serial datas, and the HART serial datas of reception are converted into HART by serioparallel exchange unit
Parallel data, HART data are parsed into by HART protocol processing unit by HART parallel datas；By data acquisition process list
The serial data collection that AI data acquisition modules are exported is processed into current data by unit；By High-Level Data Link Control (HDLC)
The HART data (including control command and information) of HART passages are carried on one by unit with the current data of corresponding AI passages
Rise, and exported to DPU by double RS-485 interfaces.
Or, control module passes through HART data that double RS-485 interfaces DPU export (including control command and letter
Breath), pass sequentially through HDLC units, HART protocol processing unit and HART data be processed into HART parallel datas, by and go here and there turn
Change unit and HART parallel datas are converted into HART serial datas, the HART serial datas are sent by UART transmitting elements, lead to
Cross signal modulation unit and the HART serial datas are modulated into HART signal output；
While respectively HART passages, AI passages is isolated with control module, transmission HART passages are exported isolation module
HART signal.
In above-mentioned input interface unit embodiment, signal demodulation unit, UART receiving units are realized using FPGA portion
And UART transmitting elements, signal modulation unit；Data acquisition process list is realized using microcontroller (for example ARM controller)
Unit, HART protocol processing unit and HDLC units.
In above-mentioned input interface unit embodiment, believed using 16 paths are transformed into two-way per signal parallel all the way
Number come realize signal redundancy be input into.The installation of 16 passage HART PLUS AI signal redundancy bases wiring boards is illustrated as shown in Figure 3
Structure, on the base by 16 paths being input into be connected to per signal parallel all the way two sets of slots (A master/sub- slot, B master/
Sub- slot) on relevant position；Wherein, main card is inserted on main card slot, and subcard is inserted on subcard slot, main card, subcard phase intercommunication
The contact pin for crossing signal connects together, and is covered by a shell.Left end is that signal draws binding post on the wiring board, each
Passage draws 4 signal terminals, then 16 passages totally 64 terminals；4~20mA signals of wherein AI are by the different modes of connection
Powering mode (present apparatus is powered to AI equipment) and outer powering mode in selection (AI equipment is powered by other power supplys)；Lower end is electricity
Source signal terminal, the respectively master/subcard of two sets of A, B and base provide necessary working power.
16 passage HART PLUS AI signals and its superfluous in the input interface unit embodiment that Fig. 4 illustrates shown in Fig. 1
Remaining base principle, wherein：
IIN1+, IIN1- represent that the 1st passage of Fig. 3 is loaded with the positive and negative of 4~20mA electric currents input of HART signal respectively
End ..., IIN16+, IIN16- represent that the 16th passage is loaded with the positive and negative of 4~20mA electric currents input of HART signal respectively
End；VOUTA1+, VOUTA1- represent the positive and negative of the first via input AI voltage signals that A covers after being converted through current/voltage respectively
End；VOUTB1+, VOUTB1- represent the positive and negative of the first via input AI voltage signals that B covers after being converted through current/voltage respectively
End；..., the rest may be inferred.AI voltage ranges are between 0~5V.
The present invention is directed to said apparatus embodiment, correspondingly additionally provides and realizes that dcs sets with intelligent measure
The input interface method of standby interconnection, including：
In multichannel per in input channel all the way, HART signal waveform is gathered out from input signal by filter capacitor,
Analog input signal is gathered out from input signal by input resistance simultaneously, and analog input signal to collection is filtered
And analog-to-digital conversion；
Control module receives HART signal waveform and by the data signal after analog-to-digital conversion by isolation module；By HART
Signal transacting by the Digital Signal Processing into current data, and is transferred to DPU together into HART signal data.
Above method embodiment also includes：
The order data that DPU is exported is processed into HART signal by control module；HART waveforms are formed by signal shaping defeated
Go out.
In above method embodiment, HART signal is processed into HART data by control module, at analog current signal
Current data is managed into, is specifically included：
HART signal is demodulated into general serial signal, the general serial signal is exported to string through UART receiving units
And converting unit is converted into parallel HART data；And treatment will be acquired by the SPI mouthfuls of data for receiving；
Parallel HART data and/or the data of acquired treatment are parsed and HDLC cell processings through HART protocol, it is raw
Into two-way redundancy per the current data for being loaded with command information all the way, exported to DPU by RS-485 interfaces.
In above method embodiment, the order data that DPU is exported is processed into HART signal by control module, and by letter
Number shaping forms the output of HART waveforms, specifically includes：
DPU is exported order data and is processed into parallel through HDLC and HART protocol by control module by redundancy RS-485 interfaces
HART data；
HART data through parallel-serial conversion into Universal Serial, and through UART transmitting elements export give signal modulation unit adjust
Square-wave signal is made, HART waveform signals are exported after waveform shaping.
Before the work of above method embodiment, also include：
Realize that signal redundancy is input into using 16 paths are transformed into two paths of signals per signal parallel all the way.
Before the work of above method embodiment, also include：
To be used to be arranged on HART signal separation and the HART passages of shaping and the AI passages of input current analog signal
On subcard, isolation circuit and control circuit for isolating are installed in main card, and main card, subcard connect each other by signal pin
Together, and by a shell cover.
For those skilled in the art, after present invention and principle has been understood, can be without departing substantially from this hair
In the case of bright principle and scope, the method according to the invention carries out various amendments and change in form and details, but
These are based on amendment of the invention and change still within claims of the invention.
Claims (9)
1. a kind of input interface unit for realizing the interconnection of dcs and measuring apparatus, including input multiplexer, every
From module and control module；Characterized in that, each input channel is except the analog data acquisition including analog input channel
Outside module, filter capacitor and Shaping Module also including highway addressable remote transducer, wherein：
One end of filter capacitor connects the first input end of corresponding input channel, and the filter capacitor other end connects corresponding shaping
Module, for filtering output highway addressable remote transducer signal；
Shaping Module, for selected input or output highway addressable remote transducer signal, and the addressable to gating
Distance sensor high-speed channel signal carries out shaping filter；The Shaping Module includes that multichannel gates connection by controlling switch
HART receives shaping unit；
Isolation module, for respectively by the highway addressable remote transducer, the analog input channel and control mould
Block is isolated；
Control module, passes for the highway addressable remote transducer signal transacting to shaped filtering into addressable remote
Sensor high-speed channel data, while the analog current signal that the analog input channel is input into is processed into current data, together
Dcs processing unit is transferred to, wherein,
The control module is by signal demodulation unit to the addressable remote through HART reception shaping unit shaping filters
Sensor high-speed channel signal is demodulated to corresponding serial data, and the serial data is received by UART receiving units, by string simultaneously
Converting unit by receive the serial data be converted into corresponding parallel data, by HART protocol processing unit should simultaneously line number
According to being parsed into highway addressable remote transducer data；By data acquisition process unit by the analog data acquisition mould
The serial data collection of block output is processed into current data；The addressable remote is passed by High-Level Data Link Control unit
Sensor high-speed channel data are carried together with the current data of corresponding analog input channel, and are connect by double RS-485
Mouth is exported to the dcs processing unit.
2. according to the device described in claim 1, it is characterised in that
The highway addressable remote transducer number that the control module also sends the dcs processing unit
Sent out according to highway addressable remote transducer signal is processed into.
3. according to the device described in claim 2, it is characterised in that the analog data acquisition module includes the simulation input
The input resistance of passage, wave filter and analog-to-digital conversion module；Wherein：
HART receives shaping unit, and the highway addressable remote transducer signal for being exported to filter capacitor is carried out
Shaping filter；
The two ends of the input resistance connect the first input end and the second input of respective channel respectively, and two inputs are simultaneously
Connect the input of respective filter；
Wave filter, for being filtered to the input voltage that input resistance sampling input current is formed, and exports to analog-to-digital conversion
Module；
Analog-to-digital conversion module, the voltage signal for wave filter to be exported carries out analog-to-digital conversion, and forms serial data by string
Row equipment interface is exported to isolation module；
The isolation module is by corresponding photoisolator respectively by the highway addressable remote transducer, described
While analog input channel is isolated with the control module, the highway addressable remote transducer letter of input is transmitted
Number and the analog data acquisition module output serial data.
4. according to the device described in claim 3, it is characterised in that the Shaping Module also includes that multichannel is opened by the control
The HART for closing gating connection sends shaping unit, wherein：
The addressable that the control module passes through dcs processing unit output described in double RS-485 interfaces is remote
Journey sensor high-speed channel data, passing sequentially through the High-Level Data Link Control unit, the HART protocol processing unit will
The highway addressable remote transducer data of reception are processed into corresponding parallel data, by parallel serial conversion unit by this simultaneously
Row data are converted into corresponding serial data, and the serial data is sent by UART transmitting elements, will by signal modulation unit
The serial data is modulated into highway addressable remote transducer signal output；
The isolation module is by corresponding photoisolator respectively by the highway addressable remote transducer, described
While analog input channel is isolated with the control module, the highway addressable remote transducer signal is also transmitted；
HART sends shaping unit, for the highway addressable remote transducer letter for transmitting the photoisolator
Number it is filtered shaping.
5. according to the device described in any one of Claims 1-4, it is characterised in that multichannel addressable remote is logical at a high speed
The Shaping Module in road and the analog data acquisition module of multi-channel analog input channel are installed on subcard, it is described every
It is installed on main card from module and the control module；
It is connected to described on two sets of slot relevant positions per signal parallel all the way so that multichannel input is logical on a base
Every signal parallel all the way in road is transformed to two paths of signals to realize that signal redundancy is input into；Wherein, every suit slot includes a main card
Slot and a subcard slot, the main card are inserted on main card slot, and the subcard is inserted on subcard slot, the main card and described
Subcard connects together each other by the contact pin of signal, and is covered by a shell.
6. a kind of input interface method for realizing the interconnection of dcs and measuring apparatus, be related to input multiplexer, every
From module and control module；Characterized in that, the method includes：
In multichannel per in input channel all the way, addressable remote is gathered out from input signal by filter capacitor high
Fast channel signal, shaping filter is carried out by Shaping Module by the signal；Simultaneously by the mould per in input channel all the way
The input resistance for intending the analog data acquisition module of input channel gathers analog input signal from the input signal, and to adopting
The analog input signal of collection is filtered and analog-to-digital conversion；
Control module is received by the highway addressable remote transducer signal and process of shaping filter by isolation module
Data signal after the analog-to-digital conversion；
By the highway addressable remote transducer signal transacting into highway addressable remote transducer data, by institute
Digital Signal Processing into current data is stated, and is transferred to dcs processing unit together, specifically included：
Corresponding serial data will be demodulated to through the highway addressable remote transducer signal of the shaping filter, using UART
Reception mode receives the serial data, the serial data for receiving is converted into corresponding parallel data, by the parallel data solution
Analyse into highway addressable remote transducer data；Simulation electricity will be gathered from the input signal by the input resistance
Stream signal is converted into analog voltage signal, by analog voltage signal filtering and analog-to-digital conversion into serial data signal, then
By the serial Digital Signal Processing into current data；
The highway addressable remote transducer data are carried with the current data of corresponding analog input channel
Together, and by double RS-485 interfaces export to the dcs processing unit.
7. in accordance with the method for claim 6, it is characterised in that also include：
The highway addressable remote transducer number that the control module also sends the dcs processing unit
According to being processed into highway addressable remote transducer signal；
The highway addressable remote transducer signal that the control module is processed into is filtered by signal shaping
Exported after ripple shaping.
8. in accordance with the method for claim 7, it is characterised in that the control module is also by dcs treatment
The highway addressable remote transducer data that unit sends are processed into highway addressable remote transducer signal, specifically
Including：
The addressable that the control module passes through dcs processing unit output described in double RS-485 interfaces is remote
The data for receiving are processed into corresponding parallel data by journey sensor high-speed channel data, should by parallel serial conversion unit
Parallel data is converted into corresponding serial data, and the serial data is sent using UART sending methods, by serial data modulation
Exported after into highway addressable remote transducer signal.
9. according to the method described in any one of claim 6 to 8, it is characterised in that before methods described step is performed, also wrap
Include：
The Shaping Module of multichannel highway addressable remote transducer and the simulation number of multi-channel analog input channel
It is installed on subcard according to acquisition module, the isolation module and the control module are installed on main card；
It is connected to described on two sets of slot relevant positions per signal parallel all the way so that multichannel input is logical on a base
Every signal parallel all the way in road is transformed to two paths of signals to realize that signal redundancy is input into；Wherein, every suit slot includes a main card
Slot and a subcard slot, the main card are inserted on main card slot, and the subcard is inserted on subcard slot, the main card and described
Subcard connects together each other by the contact pin of signal, and is covered by a shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110441188.XA CN103176435B (en) | 2011-12-26 | 2011-12-26 | Realize the interface arrangement and method of dcs and measuring apparatus interconnection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110441188.XA CN103176435B (en) | 2011-12-26 | 2011-12-26 | Realize the interface arrangement and method of dcs and measuring apparatus interconnection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103176435A CN103176435A (en) | 2013-06-26 |
| CN103176435B true CN103176435B (en) | 2017-05-31 |
Family
ID=48636388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110441188.XA Active CN103176435B (en) | 2011-12-26 | 2011-12-26 | Realize the interface arrangement and method of dcs and measuring apparatus interconnection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103176435B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267680A (en) * | 2014-09-12 | 2015-01-07 | 上海发电设备成套设计研究院 | Analog quantity input module with disconnect-type HART function board |
| CN108983675B (en) * | 2018-08-16 | 2021-07-13 | 中国人民解放军63620部队 | System and method for generating a takeoff zero signal |
| CN113852377A (en) * | 2021-10-11 | 2021-12-28 | 杭州和利时自动化有限公司 | AI collection system and AI collection system thereof |
| CN114114893A (en) * | 2021-10-21 | 2022-03-01 | 国能浙江北仑第三发电有限公司 | I/O high-speed processing method for DEH system of ultra-supercritical unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2833671Y (en) * | 2005-08-30 | 2006-11-01 | 上海师范大学 | HART bus collection device with GPRS transmission function |
| CN2833681Y (en) * | 2005-08-30 | 2006-11-01 | 上海师范大学 | HART interface holding RS232 and USB dual interface |
| EP1906286A1 (en) * | 2006-09-29 | 2008-04-02 | Abb Research Ltd. | Flexible control of field devices in a computer based control system |
| CN201163782Y (en) * | 2007-12-28 | 2008-12-10 | 上海自动化仪表股份有限公司 | Intelligent network gateway used for EPA/HART interconnection |
| CN101454732A (en) * | 2006-03-31 | 2009-06-10 | 霍尼韦尔国际公司 | Apparatus, system, and method for wireless diagnostics |
| CN201904805U (en) * | 2010-12-22 | 2011-07-20 | 上海工业自动化仪表研究院 | Multi-way multiplexing type intelligent gateway for connecting industrial Ethernet and HART bus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100011067A1 (en) * | 2008-07-10 | 2010-01-14 | Allstrom Peter E | Transmitter Instant Messaging Interface in a Distributed Control System |
-
2011
- 2011-12-26 CN CN201110441188.XA patent/CN103176435B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2833671Y (en) * | 2005-08-30 | 2006-11-01 | 上海师范大学 | HART bus collection device with GPRS transmission function |
| CN2833681Y (en) * | 2005-08-30 | 2006-11-01 | 上海师范大学 | HART interface holding RS232 and USB dual interface |
| CN101454732A (en) * | 2006-03-31 | 2009-06-10 | 霍尼韦尔国际公司 | Apparatus, system, and method for wireless diagnostics |
| EP1906286A1 (en) * | 2006-09-29 | 2008-04-02 | Abb Research Ltd. | Flexible control of field devices in a computer based control system |
| CN201163782Y (en) * | 2007-12-28 | 2008-12-10 | 上海自动化仪表股份有限公司 | Intelligent network gateway used for EPA/HART interconnection |
| CN201904805U (en) * | 2010-12-22 | 2011-07-20 | 上海工业自动化仪表研究院 | Multi-way multiplexing type intelligent gateway for connecting industrial Ethernet and HART bus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103176435A (en) | 2013-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105785958B (en) | Multi-functional data collector, acquisition system and method based on wisdom factory | |
| CN102929277B (en) | Universal test tool for autobody electronic unit and working method thereof | |
| CN107831702B (en) | A kind of synchronous serial signal acquisition and control device based on gigabit Ethernet | |
| CN103176435B (en) | Realize the interface arrangement and method of dcs and measuring apparatus interconnection | |
| CN103186126B (en) | Realize interface arrangement and method that dcs is interconnected with smart machine | |
| CN206575438U (en) | A kind of vehicle-mounted ethernet test modular converter and test system based on BroadR Reach | |
| CN101362575A (en) | Modular and bus real-time monitoring system for tower crane | |
| CN110045709A (en) | One kind being based on EtherCAT technical grade remote I/O module | |
| CN105700516A (en) | Remote diagnosis system for existing track engineering machinery | |
| CN112241138A (en) | Logic control device and train control system | |
| CN102929826A (en) | System and method for transmitting multiple ultrasonic signals with single ultrasonic signal bus | |
| CN107908584A (en) | A kind of 485 communication networks of multichannel RS | |
| CN207853917U (en) | A kind of slave, communication expansion card and group network system | |
| CN102523141B (en) | Method for networking and cascading electronic equipment by using universal serial port technology | |
| CN208874011U (en) | A kind of vehicle-mounted ethernet concentrator | |
| CN106097691A (en) | A kind of multimode multi-frequency telecommunication transmission system | |
| CN207926639U (en) | A kind of elevator protocol conversion apparatus and elevator Internet of things system | |
| CN202404431U (en) | Input interface device realizing interconnection between distributed control system and measurement equipment | |
| CN201654555U (en) | Intelligent node module system applied to industrial valve control | |
| CN213515757U (en) | Switch conversion equipment on-line monitoring system | |
| CN100452107C (en) | AT91M40800 based multi-tandem port bus system | |
| CN209627394U (en) | A kind of digital signal acquiring device and system | |
| CN207720168U (en) | The mining comprehensive gateway of Internet of Things | |
| CN201638070U (en) | Electric control system of CAN bus modularized coal mining machine | |
| CN112491137A (en) | Moving ring centralized management equipment of auxiliary integrated control system of substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |