CN108845548A - A kind of DCS and distribution method realizing the distribution of IO hardwire based on software configuration - Google Patents
A kind of DCS and distribution method realizing the distribution of IO hardwire based on software configuration Download PDFInfo
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- CN108845548A CN108845548A CN201810726404.7A CN201810726404A CN108845548A CN 108845548 A CN108845548 A CN 108845548A CN 201810726404 A CN201810726404 A CN 201810726404A CN 108845548 A CN108845548 A CN 108845548A
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- 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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
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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
- 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]
Abstract
It works to simplify IO hardwire distribution design during DCS engineer application, the invention discloses a kind of DCS and distribution method that the distribution of IO hardwire is realized based on software configuration.The DCS has following characteristics：Master control cabinet and IO cabinet are independent；All I O function modules plug meter before being；The terminal board of binding post form is used for the design of all IO hardwires；The wiring code library designed for the on-site signal of the different modes of connection；Software configuration need to select wiring type code；System is according to software configuration information automatic distribution terminal binding post position；System generates IO hardwire point table.The present invention is during can simplify DCS engineer application other than the work of IO hardwire distribution design, additionally it is possible to ensure that software configuration defines the consistency with IO hardwire distribution design, improve the efficiency of engineering design.
Description
Technical field
The present invention relates to the collecting and distributing control system DCS (Distributed Control System) in Industry Control.
Background technique
DCS product common at present, hardware structure would generally include controller module, communication module, IO functional module
And I/O terminal module, there are also include IO interconnecting module for some.Wherein, I/O terminal module is corresponding with I O function module, is dedicated
Module, there is an I O function module just to have an I/O terminal module corresponding, usual I/O terminal module and IO cabinet or
It is connected between IO interconnecting module using dedicated IO pre-fabricated electric cables.
In DCS project engineering stage, carries out device configuration definition and be only responsible for defining I O function module and IO functional module
In the corresponding signal in each channel.IO hardwire point is carried out according still further to the I O function module and signal of definition after the completion of configuration work
Table design, the location information of supplement IO interconnecting module, I/O terminal module, to complete IO hardwire point table.
This DCS system major defect in engineering design has the following aspects：
(1) engineering design task is more, the engineering design time is long.It is hard to need to carry out device configuration, I/O signal definition and IO
The design of wiring point table, and work substantially belongs to the serial approach of Waterfall type, long period.
(2) engineering design human cost is high.Based on the disadvantage more than engineering design task, manpower quantity also can be higher.
(3) design error probability is high.Due to such as supplementing IO interconnecting module, I/O terminal in IO hardwire point table design process
The location information of module is manually completed by designer, and especially for some mega projects, I O point scale is often up to ten thousand,
In face of the table of a huge data volume, in fill message on table, people tends to misunderstand, fills in mistake.
Summary of the invention
Divide automatically to solve the above problems, IO hardwire can be realized based on software configuration configuration the present invention provides one kind
The DCS and distribution method matched.
It is a kind of that the dcs DCS that IO hardwire distributes automatically can be realized based on software configuration configuration, mainly
Including：Master control cabinet, IO cabinet, terminal plate module and engineer station；Wherein,
Master control cabinet includes a controller module NPU, b external communication module CMU, c IO bus module BSU, d a
Maintenance management module MNU, a=1 or 2, b=a*B, B >=1, c=a*C, C >=1.B is the outer of each controller module NPU configuration
The quantity of portion's communication module, C are the quantity of the IO bus module of each controller module NPU configuration；
IO cabinet includes a I/O communication module I CU and e I O function module；I/O communication module I CU and master control cabinet
IO bus module BSU is connected based on universal serial bus, for the data of I/O module and the communication of controller module NPU, each IO function
Can module include n number of channels, the signal variable of type when each channel corresponds to configuration, all I O function modules exist
Meter is plugged before being on IO cabinet；
IO cabinet further includes the post determined for the position of each I O function module slot position setting；
Terminal plate module front is connected to cabinet external signal hardwire, and the back side is connected to the wiring styletable of IO cabinet
Son；
The engineer station is used to design control logic algorithm in controller module NPU, has configuration, configuration, online
Monitoring, diagnosis, information import and export function；
The engineer station includes a wiring type code library, and each wiring type code includes the signal variable
Type, wiring Code Number, signal variable description, signal variable name, relating module type, each wiring Code Number are corresponding unique
One signal variable；
The engineer station is according to IO cabinet number, I O function module model, slot number, variable channel number, variable wiring
I/O signal variable is associated with by Code Number with corresponding external cabling position automatically, is created that IO variable inventory and IO connect firmly
Line inventory, and the terminal board quantity used is automatically configured, I/O module rear terminal associated by each signal variable is distributed automatically
Binding post position and terminal board module wiring terminal position.
A method of realizing that IO hardwire distributes automatically in dcs DCS based on software configuration configuration,
Include the following steps：
The first step, being arranged in the master control cabinet of DCS includes a controller module NPU, b external communication module CMU, c a
IO bus module BSU, d maintenance management module MNU, b=a*B, B >=1, c=a*C, C >=1.B is each controller module
The quantity of the external communication module of NPU configuration, C are the quantity of the IO bus module of each controller module NPU configuration；
Second step, the IO cabinet that DCS is arranged includes a I/O communication module I CU and e I O function module；Also, I/O communication
The module I CU and IO bus module BSU of master control cabinet is connected based on universal serial bus, data and controller module for I/O module
The communication of NPU, each I O function module include n number of channels, and the signal of type when each channel corresponds to configuration becomes
Amount,；
Third step, setting IO cabinet are the post that each I O function module slot position is designed with that position determines；
Cabinet external signal hardwire is accessed in terminal plate module front by the 4th step, and the back side connects the binding post of IO cabinet
Terminal；
5th step designs wiring type code library, and in wiring type code library, each wiring type code includes signal
Types of variables, wiring Code Number, signal variable description, signal variable name, relating module type, and become to each described signal
As soon as measuring specified wiring Code Number, then the hardwire that variable correspondence includes is determined；
6th step, certainly according to IO cabinet number, I O function module model, slot number, variable channel number, variable wiring Code Number
External cabling position corresponding to dynamic association IO variable, is created that IO variable inventory and IO hardwire inventory；
7th step realizes that IO hardwire distributes automatically according to IO variable inventory and IO hardwire inventory.
Beneficial effects of the present invention are：
First engineering design when after completing device configuration, I/O signal and defining work, no longer need to individually to carry out IO to connect firmly
The design of line point table, can be directly generated IO hardwire point table by engineer station.The process of engineering design is simplified, engineering design is improved
Efficiency, reduce design error probability.
Secondly, cabinet arrangement is simple, installation is simple.It is master control cabinet and IO cabinet on the right side of interior of equipment cabinet, institute side is wiring
The standard terminals plate module of cylindricality formula, compared with traditional dedicated I/O module, I/O terminal modular form DCS, without considering further that
The problems such as installation site of I/O terminal module, layout.Cabinet arrangement is allowed to design simpler, installation, wiring in cabinet etc.
Work, which is carried out, to be easier.
Detailed description of the invention
Fig. 1 is IO cabinet and terminal plate module mode of connection overall schematic.
Fig. 2 is the redundancy IO bus schematic diagram of IO cabinet.
Fig. 3 is I/O module and terminal connections schematic layout pattern.
Fig. 4 is distribution of the external hard-wired signals in binding post of AIU module.
Fig. 5 is wiring type code library sample.
System realizes the work flow diagram of automatic distribution IO hardwire when Fig. 6 is Project Configuration.
Specific embodiment
Specific implementation of the invention is described further below in conjunction with attached drawing and example.It should be noted that these have
The explanation of body only allows those of ordinary skill in the art to be more easier, clearly understands the present invention, rather than limitation of the invention
It explains.
This DCS system that the distribution of IO hardwire can be realized based on software configuration proposed by the present invention.This system includes
Two kinds of cabinets of master control cabinet and IO cabinet, terminal plate module, engineer station and associated external component.Wherein external module is main
Including power switch and power distribution interface.
Design standard cabinet, all cabinets are to install on the right side in interior of equipment cabinet, are institute on the left of cabinet outside cabinet
There is the terminal plate module of the IO hardwire at connection scene.Terminal plate module uses standardized designs, and the back side is binding post, with IO
The binding post at the cabinet back side is hardwire in cabinet.The front of terminal plate module is also binding post, and the IO hardwire from scene connects
It is connected to front connection column.
Master control cabinet is divided into bilateral symmetry two parts from middle line, and each part can include controller module NPU, outside
Portion communication module CMU, IO bus module BSU, maintenance management module MNU.External communication module CMU is used for and other control stations
Or server communication, IO bus module BSU are communicated for this master control cabinet with IO cabinet, maintenance management module MNU is for applying
Fill, diagnose under program etc..Bilateral symmetry two parts can be configured as needed to dual redundant controller or single controller.It is configured to
When redundant fashion, the two-part type of modules in left and right is identical with quantity.
IO cabinet includes I/O communication module I CU and several I O function modules.Each IO cabinet maximum supports 14 IO function
It can module.The I/O communication module I CU and IO bus module BSU of master control cabinet is connected based on universal serial bus, the number for I/O module
According to the communication with controller module NPU.When controller is configured to dual redundant, the I/O communication module of each IO cabinet then needs
Two pieces of configuration.The IO bus of IO cabinet inside is redundant bus, ensure that each I O function module and two I/O communication modules it
Between normal communication.As shown in Figure 2.
It is a that master control cabinet configures a controller module NPU, b external communication module CMU, c IO bus module BSU, d
Maintenance management module MNU.Wherein a=1 or 2, b=a*B, B >=1, c=a*C, C >=1.The external communication module CMU is used for
The communication of our station and other stations, B are the quantity of the external communication module of each controller module NPU configuration, and numerical value depends on
The quantity of PERCOM peripheral communication.IO bus module BSU is communicated for master control cabinet with IO cabinet, and C is that each controller module NPU matches
The quantity for the IO bus module set, numerical value depend on the quantity of IO cabinet.
Each IO cabinet includes a I/O communication module I CU and e I O function module.Wherein I/O communication module I CU and master control
The IO bus module BSU of cabinet is connected based on universal serial bus, and the IO module data for this cabinet is with controller module NPU's
Communication.
I O function module includes Analog input mModule AIU, digital quantity input module DIU, temperature collecting module TIU, mould
Analog quantity output module AOU, digital output module DOU.
All I O function modules plug meter before being on IO cabinet.The back side of IO cabinet is each IO functional module slot
Position is designed with the post that position determines.The number of channels n that various I O function modules are included is all different, Mei Getong
The signal variable of type when road has corresponded to configuration, the maximum possible wiring points that the signal variable of each type is included
Amount is q.Therefore, the maximum possible hardwire point quantity m=n*q that every kind of I O function module is included.Every kind of I O function module institute
The maximum possible hardwire point quantity m for including is all different.In IO cabinet, the binding post quantity at each its back side of slot position is according to five
Maximum hardwire point quantitative design in seed type I O function module.What each channel may include in each I O function module is all
Hardwire point, binding post position are determining.Each terminal plate module designs for standard, thereon the quantity of binding post and IO machine
The binding post quantity at each slot position back side of case is equal.
Such as digital quantity input module DIU, contain 16 independent digital data acquisition channels, it can be configured to 16
Independent BI categorical variable.Each BI categorical variable may include C, several in tri- hardwire points of NO, NC.Therefore one
Maximum possible wiring point quantity=16*3=48 that a digital quantity input module DIU is included.
The five respective maximum possible wiring point quantity of seed type I O function module are calculated, it is as follows：
mAIU=8*4=32,
mDIU=16*3=48,
mTIU=4*4+4*2=24,
mAOU=8*3=24
mDOU=16*2=32
The maximum value 48 in the five respective maximum possible wiring point quantity of seed type I O function module is taken, as each IO function
It can the corresponding external cabling post design quantity of module slot position.In the external cabling column arrangement of IO cabinet back side design I O function module
For 3*16, every 3 column binding post of row, 16 row altogether.The then unlike signal wiring point in each channel of each type I O function module
Position be it is fixed, be illustrated in figure 4 each channel signal of AIU module in the position of binding post.It is connect as needed for each AIU
Terminal is 32, therefore for AIU module, rear 16 binding post free time of I O function module slot position do not do distribution and use.
The terminal plate module of design standard.It is responsible for accessing cabinet external signal hardwire, terminal back in terminal board front
It is responsible for the binding post at the connection IO cabinet back side.Binding post in each standard terminals plate module is arranged as 8*6, i.e., every row 8 connect
Terminal, 6 row, just corresponds to the binding post quantity of an I O function module slot position altogether.In practical application, match according to device configuration
It sets using how many IO cabinets, each cabinet distributes how many IO functional modules, then the terminal of system Automated Design distribution respective numbers
Plate module.If the available free binding post of corresponding I O function module, then the binding post of terminal board corresponding position can also be done the free time
Processing.As shown in Figure 3.
DCS product further includes engineer station, and for designing the control logic algorithm in controller, engineer station has group
State, configuration, in-service monitoring, diagnosis, information such as import and export at the functions.
Engineer station includes a wiring type code library.Each signal variable is required to define wiring type generation when configuration
Code.One wiring type code defines all wiring point information that the signal can include and the corresponding IO function used of the signal
It can module model.The I O function module of one model may use several wiring type code.
As shown in figure 5, the engineer station of configuration is associated with wiring type code library.In wiring type code library, Mei Gejie
Line type code can include signal variable type, wiring Code Number, signal variable description, signal variable name, relating module type
Etc. information.Variable specifies wiring Code Number, then the hardwire that variable correspondence includes just is determined.
Engineer station after completing device configuration and variable configuration, can according to the I/O channel information that Project Configuration configures and
The wiring information of signal automatically configures the terminal board quantity used, and distributes the I/O module back side associated by each signal automatically
Terminal connections column position and terminal board module wiring terminal position automatically generate IO hardwire point table.
As shown in fig. 6, system realizes that the process distributed automatically is as follows when carrying out Project Configuration using engineer station：
Device configuration is carried out first.Newly-built station, the information such as distribution station number.IO cabinet is configured, according to first up and then down in cabinet
It is configured, each cabinet at most configures three IO cabinets.Then the functional module of each slot position of each cabinet, function mould are configured
Block IO cabinet slot position according to order-assigned from right to left be 1 to 14.After the completion of this step, system makes needed for then automatically configuring
Standard terminals plate module corresponds each I O function module and terminal plate module number, such as third IO cabinet
On the corresponding terminal plate module number=2*14+7=35 of the 7th slot position I/O module.The line number of terminal plate module according on to
Under sequence distribute automatically, each terminal board has 6 row wiring rods, and then line number is 1 to 6 to first terminal plate module, second end
Then line number is 7 to 12 to daughter board module.By taking the 7th slot position I/O module on third IO cabinet as an example, the associated terminal of the I/O module
Template die block number is 35, and line number is 205~210.The row number of terminal plate module is sorted alphabetically from A to H.
Second step carries out IO variable configuration, defines IO variable and the variable to each each channel of I O function module
Wiring Code Number.
Third step, system is according to cabinet number, I O function module model, slot number, variable channel number, variable wiring Code Number
External cabling position corresponding to auto-associating IO variable.It is created that IO variable inventory and IO hardwire inventory.
Below with a design example explanation.
No. 1 station of newly-built control station, configures an extension IO cabinet, and 1 slot position of cabinet configures one piece of AIU module, the module
First channel configuration variables 001MD, the wiring type code of variable is CW101.
One piece of DIU module, first channel configuration variables 001SN of the module, the wiring type of variable are configured in 2 slot positions
Code is CW001.
In conjunction with the wiring type code library of Fig. 5, then system automatically create variable IO variable inventory and IO hardwire it is clear
It is single as follows.
1 IO variable inventory example of table
2 IO hardwire inventory example of table
The above is exemplary embodiment of the invention, not does limitation in any form to the present invention.It should refer to
Out, anyone skilled in the art can also make several improvements without departing from the principles of the present invention
And retouching, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (4)
1. a kind of the collecting and distributing control system DCS that IO hardwire distributes automatically, main packet can be realized based on software configuration configuration
It includes：Master control cabinet, IO cabinet, terminal plate module and engineer station；Wherein,
Master control cabinet includes a controller module NPU, and b external communication module CMU, c IO bus module BSU, d is safeguarded
Management module MNU, b=a*B, B >=1, c=a*C, C >=1, B are the external communication modules of each controller module NPU configuration
Quantity, C are the quantity of the IO bus module of each controller module NPU configuration；
IO cabinet includes a I/O communication module I CU and e I O function module；The IO bus of I/O communication module I CU and master control cabinet
Module BSU is connected based on universal serial bus, for the data of I/O module and the communication of controller module NPU, each I O function module
Comprising n number of channels, the signal variable of type when each channel corresponds to configuration, all I O function modules are in IO cabinet
On be before plug meter；
IO cabinet further includes the post determined for the position of each I O function module slot position setting；
Terminal plate module front is connected to cabinet external signal hardwire, and the back side is connected to the post of IO cabinet；
The engineer station is used to design control logic algorithm in controller module NPU, have configuration, configuration, in-service monitoring,
Diagnosis, information import and export function；
The engineer station includes a wiring type code library, and each wiring type code includes the signal variable class
Type, wiring Code Number, signal variable description, signal variable name, relating module type, each wiring Code Number correspond to unique one
A signal variable；
The engineer station is according to IO cabinet number, I O function module model, slot number, variable channel number, variable wiring code
Number I/O signal variable is associated with automatically with corresponding external cabling position, is created that IO variable inventory and IO hardwire are clear
It is single, and the terminal board quantity used is automatically configured, I/O module rear terminal wiring associated by each signal variable is distributed automatically
Column position and terminal board module wiring terminal position.
2. DCS according to claim 1, which is characterized in that the post quantity is according to each I O function module
In maximum hardwire point quantity setting, terminal plate module binding post distribution in order from top to bottom from left to right with IO cabinet
Post it is corresponding.
3. DCS according to claim 1, the I O function module includes Analog input mModule AIU, and digital quantity inputs mould
Block DIU, temperature collecting module TIU, analog output module AOU, digital output module DOU.
4. a kind of method for realizing that IO hardwire distributes automatically in collecting and distributing control system DCS based on software configuration configuration, packet
Include following steps：
The first step, being arranged in the master control cabinet of DCS includes a controller module NPU, b external communication module CMU, c IO total
Wire module BSU, d maintenance management module MNU, b=a*B, B >=1, c=a*C, C >=1, B are each controller module NPU configurations
External communication module quantity, C is the quantity of the IO bus module of each controller module NPU configuration；
Second step, the IO cabinet that DCS is arranged includes a I/O communication module I CU and e I O function module；Also, I/O communication module
The ICU and IO bus module BSU of master control cabinet is connected based on universal serial bus, the data and controller module NPU for I/O module
Communication, each I O function module includes n number of channels, the signal variable of type when each channel corresponds to configuration；
Third step, setting IO cabinet are the post that each I O function module slot position is designed with that position determines；
Cabinet external signal hardwire is accessed in terminal plate module front by the 4th step, and the back side connects the post of IO cabinet；
5th step designs wiring type code library, and in wiring type code library, each wiring type code includes signal variable
Type, wiring Code Number, signal variable description, signal variable name, relating module type, and refer to signal variable described in each
As soon as fixed wiring Code Number, the then hardwire that variable correspondence includes are determined；
6th step is closed automatically according to IO cabinet number, I O function module model, slot number, variable channel number, variable wiring Code Number
Join external cabling position corresponding to IO variable, is created that IO variable inventory and IO hardwire inventory；
7th step realizes that IO hardwire distributes automatically according to IO variable inventory and IO hardwire inventory.
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| CN108845548B (en) | 2021-01-05 |
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