CN103049052A - Modularized remote terminal unit (RTU) and rapid customization method thereof - Google Patents
Modularized remote terminal unit (RTU) and rapid customization method thereof Download PDFInfo
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Abstract
The invention discloses a modularized remote terminal unit (RTU) and a rapid customization method thereof. The modularized RTU comprises an ontology module, a power module, a general input/output (I/O) interface module and a special function interface module, an external interface of the ontology module is divided into a general I/O interface area and a special function interface area which is used for being connected with other modules, a special function module comprises a special function signal I/O interface area and interface areas, the interface areas are cascaded among the modules, the modules are detachably connected, the ontology module and other modules are connected through the special function interface area, other modules are mutually connected through the interfaces areas which are cascaded among the modules, and automatic identification and configuration after module assembly are completed by the ontology module. According to the modularized RTU and the rapid customization method thereof, a basic interface unit of the RTU is generalized, the management of a central processing unit is intelligentized, the general and intelligentized ontology module is constructed, other external device modules can be customized according to specific applications and detachably assembled and disassembled on the basis of the ontology module, the rapid and flexible assembly of the RTU is achieved, and application functions are rapidly added and reduced.
Description
Technical field
The present invention relates to remote-terminal unit (Remote Terminal Units, RTU), relate in particular to a kind of modular RTU and quick method for customizing thereof.
Background technology
Along with development of modern industry, adopt the method for the various environmental parameters of personal monitoring's collection site, be difficult to satisfy the needs of production run.Particularly in the engineering fields such as real-time monitoring, this problem performance is particularly outstanding.For addressing this problem, the remote-terminal unit (Remote Terminal Units, RTU) with characteristics such as various field parameter acquisition, telecommunication, the bad environment of adaptation arises at the historic moment.RTU integrates remote signalling, remote measurement, distant control function, and is used widely in various data acquisitions and supervision control (Supervisory Control And Data Acquisition, SCADA) system.
Usually, RTU is comprised of several major parts such as CPU (central processing unit), communications interface unit, storage unit, simulating signal input-output unit, switching signal input-output unit, digital signal input-output unit, power supply units.In addition, according to practical application request, the RTU product that has has also increased some specific functions, such as functions such as video, hardware redundancies.
Because monitoring target and rig-site utilization environment is different, existing RTU is Various Functions also, and is various informative.But without exception, all be highly to use to be correlated with on the structure, close-coupled, extended capability is poor.Do not accomplish that flexible function truly fast expands, be difficult to satisfy the new features that the modern project application demand is changeable, the construction period is short.Although, the more rich RTU product of some functions is arranged on the market, these products just are cured to interiors of products with each function when dispatching from the factory, the user can not selectively remove redundancy feature, cause equipment cost to increase and the energy consumption increase, the user also is difficult to integrate these redundancy features, causes the wasting of resources.Above effects limit the flexible Application of existing RTU product.
Summary of the invention
For the deficiency that prior art exists, the present invention proposes a kind of modularization RTU and quick method for customizing thereof of flexibly practical function expansion.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of modular RTU, comprise body module, power module, general purpose I/O interface module, special function interface module that the kernel software system is installed, wherein, body module is provided with the first general purpose I/O interface area, the first specific function I/O interface area and the first order and connects oral region, described the first specific function I/O interface area is provided with power interface and other specific functions I/O interface, and the first order connects the interface of oral region and the interface of the first general purpose I/O interface area is conducted; General purpose I/O interface module is provided with the second general purpose I/O interface area and the second level connects oral region, and the interface that the second general purpose I/O interface area and the second level connect oral region is conducted; The special function interface module is provided with the second specific function I/O interface area corresponding with the first specific function I/O interface area and the third level connects oral region; Power module links to each other with removably with body module by power interface; General purpose I/O interface module links to each other with body module, specific function I/O interface module or other general purpose I/O interface module removably by the interface in subtending port district; Subtending port corresponding on the interface of specific function I/O interface module by subtending port district and specific function I/O interface area and the body module links to each other with removably with specific function I/O interface.Described removably is that the flat cable plug connects or the base plate assembly and connection.
Above-mentioned body module comprises processor unit, communication unit, storage unit, movable storage medium interface, general purpose I/O interface, special function interface and the power interface that the kernel software system is installed, general purpose I/O interface, special function interface lay respectively at the first general purpose I of body module/O interface area, the first specific function I/O interface area, and communication unit, storage unit, movable storage medium interface, general purpose I/O interface, special function interface all are connected with processor unit with power interface.
Above-mentioned the first and second general purpose I/O interface module comprises polytype universal signal input/output interface module, analog input and output module, switching value input/output module, pulsed quantity input/output module are arranged, the mixing input/output module of dissimilar universal signals is also arranged.
Above-mentioned special functional module comprises at least a near field communication interface module, Ports Serial Communication Ports, audio interface module, usb interface module and the video interface module.
According to the application port demand of external unit signal, after general purpose I/O interface module, special functional module and body module assembled, finished the identification of Knockdown block after powering on by body module.
The quick method for customizing of above-mentioned RTU comprises step:
Step 2, application port demand according to the external unit signal, at the second general purpose I of general purpose I/O interface module/O interface area the second general purpose I/O interface is set, connects oral region in the second level second level connecting port is set, and with the second general purpose I/O interface and second level connecting port conducting;
Step 4 is at the power module deploy power interface corresponding with body module;
Step 6, external signal is mounted on the signaling interface in the device external signaling interface district corresponding with its application port function, described device external signaling interface district is the second specific function I/O interface area of the second general purpose I/O interface area and the special function interface module of first general purpose I/O interface area of body module and the first specific function I/O interface area, general purpose I/O interface module;
Step 7, the rear body module that powers on is finished identification and the configuration of Knockdown block automatically according to the general purpose I that connects/O interface module and special functional module, and each module is managed the external signal that is mounted on this module port automatically.
In the step 6, adopt fastening adapter that the interface of external signal port with device external signaling interface district is connected.
In the step 7, identification and the configuration of automatically finishing Knockdown block are specially:
Body module is identified loading and the unloading of power module, general purpose I/O interface module, special function interface module automatically, and to the unified configuration of the initial parameter of load-on module, test the function of each carry module, and adjust device external signal port parameter according to test case.
Compared with prior art, the present invention has following beneficial effect:
1, the RTU among the present invention has broken among traditional RTU, and every kind of RTU can only be towards a kind of design limitation of application-specific.But the software and hardware cutting of this RTU, different application demands can realize by different combinations, highly versatile has enlarged the range of application of system.
2, function is customizable.According to the different demands of monitoring target and rig-site utilization environment, by module combinations flexibly, software and hardware resources is reconfigured, reach the customizable purpose of function.
3, building module combined method.RTU combined method of the present invention adopts the modularization framework of loose coupling, and it is convenient to dismantle, and easily tackles the variation of engineering application demand, has improved system for field design and installation efficient.
4, interconnection is simple between the module.Two kinds of connected modes are arranged, connect by backplane bus or data cable, it is convenient to connect.
5, parameter can dispose automatically.Adopt the intelligent processing method module, after installing additional and removing module, software is automatically identified and is disposed, and need not manual intervention.
6, low energy consumption.The method of on-demand customization has reduced the unnecessary redundancy of software and hardware, reduces the operation energy consumption of system, and is more energy-conservation than traditional RTU.
7, low cost.Unnecessary device resource waste has been avoided in system's required design, as required combination, and the height reusability of module of software and hardware has reduced application cost simultaneously.
8, working service is simple.Because intermodule coupling shatter value is high, the problem that occurs in the operational process is found easily, is located and isolates, and on-site maintenance is changed convenient and swift, reduces the later maintenance difficulty, effectively reduces the mean time between maintenance.
Description of drawings
Fig. 1 is the body module vertical view;
Fig. 2 is the logical organization frame diagram of body module;
Fig. 3 is the power supply interface module vertical view;
Fig. 4 is the logical organization frame diagram of power supply interface module;
Fig. 5 is the vertical view of video interface module;
Fig. 6 is the logical organization frame diagram of video interface module;
Fig. 7 is the vertical view of general purpose I/O interface module;
Fig. 8 is the logical organization frame diagram of general purpose I/O interface module;
Fig. 9 is the vertical view of near field communication interface module;
Figure 10 is the logical organization frame diagram of near field communication interface module;
Figure 11 is the assembly drawing of implementation of the present invention.
Among the figure, 1-general purpose I/O interface area, 2a, 2b-subtending port district, 3a, 3b-vision signal switching interface district, 3-video signal interface district, 4a, 4b-power state signal interface area, 5-power input interface district.
Embodiment
The present invention is with the universalization of base interface unit, the core processing unit intellectual management of RTU, made up the body module of a universal intelligent, take this body module as the basis, other external unit modules can be according to concrete applied customization, increase and decrease fast termination function, realize the quick flexible assembling of RTU.
The present invention will be further described below in conjunction with embodiment.
This implementation RTU comprises body module, power module, general purpose I/O interface module and the special function interface module that the kernel software system is installed.Body module is provided with the first general purpose I/O interface area, the first specific function I/O interface area and the first order and connects oral region, the first order connects the interface of oral region and the interface of the first general purpose I/O interface area is conducted, and described the first specific function I/O interface area is provided with power interface and other specific functions I/O interface; General purpose I/O interface module is provided with the second general purpose I/O interface area and the second level connects oral region, and the interface that the second general purpose I/O interface area and the second level connect oral region is conducted; The special function interface module is provided with the second specific function I/O interface area corresponding with the first specific function I/O interface area and the third level connects oral region; The rest may be inferred for subsequent expansion; Power module links to each other with removably with body module by power interface; General purpose I/O interface module links to each other with body module, special function interface module or other general purpose I/O interface module removably by the interface in subtending port district; Subtending port corresponding on the interface of special function interface module by subtending port district and special function interface district and the body module links to each other with removably with special function interface.Described removably is that the flat cable plug connects or the base plate assembly and connection.
Body module comprises processor unit, communication unit, storage unit, general purpose I/O interface, specific function I/O interface and power interface, also comprises the interface of movable storage medium, is used for carrying out data transmission with extraneous movable storage medium.Communication unit, storage unit, movable storage medium interface, general purpose I/O interface, special function interface all are connected with processor unit with power interface, and general purpose I/O interface, specific function I/O interface lay respectively at the first general purpose I of body module/O interface area, the first specific function I/O interface area.Storage unit in the body module comprises the RAM(random access memory) and the Flash(flash memory).The external interface pin of body module comprises general purpose I/O interface pin, specific function I/O interface pin and subtending port pin, general purpose I/O interface pin and subtending port pin adopt conductor to be communicated with, the general purpose I of the general purpose I of external unit/O signal by subtending port and body module/O interface pin is communicated with, and the special I/O signal of external unit then directly connects the specific function I/O interface pin of body module.
General purpose I/O interface module is the expansion to general purpose I in the body module/O interface, general purpose I/O interface module is provided with general purpose I/O interface area and subtending port district, the general purpose I of general purpose I/O interface module/O interface pin is located at general purpose I/O interface area, and the subtending port district is provided with to carry out the subtending port pin of intermodule cascade.The general purpose I of external unit by its I/O signal pins and general purpose I/O interface module/O interface pin uses wire to connect one to one, the subtending port pin can be connected with special function interface module or other general purpose I/O interface module according to practical application request, to realize the intermodule cascade.
In this implementation, power module is provided with mutual conduction power output interface and power state signal interface, see Fig. 3 and Fig. 4, the interface in power input interface district 5 connects power supply, the interface of power state signal interface area 4a connects the interface of power state signal interface area 4b corresponding on the body module, the power state signal interface belongs to specific function I/O interface, therefore is arranged on the specific function I/O interface area of body module.
In this implementation, the special function interface module comprises near field communication interface module and two special I/O interface modules of video interface module, each special function interface module includes specific function I/O interface pin and is used for the subtending port pin of intermodule cascade, specific function I/O interface pin is located at the specific function I/O interface area of special function interface module, and subtending port is arranged on the subtending port district of special functional module.During the carry external unit, use conductor to connect one to one the distinctive signal pin of external unit and the specific function I/O interface pin of special function interface module, the special function interface module can be by the subtending port pin corresponding connection of subtending port pin with other modules (can be body module, general purpose I/O interface module or other special function interface modules), to realize the cascade of intermodule.
All connect with removably between body module, power module, general purpose I/O interface module and the special functional module among the present invention, for example, by flat cable plug connection or by the base plate assembly and connection.
Can use interface layout on the I/O interface type design general purpose I/O interface model of external unit according to reality, when the change external unit, unload former general purpose I/O interface module, load again the module that is fit to and get final product.
In order intuitively generically to show core of the present invention, elaborate mentality of designing, building process and the use procedure of RTU of the present invention below in conjunction with several specific embodiments.
One, body module
The structure of body module is take minimization system as principle.The hardware of body module mainly comprises CPU, RAM, ROM, communication unit and power supply unit, and ROM is used for storage kernel software system image and data.In addition, for program upgrade and large data storage, the mobile memory medium interface can be set on the body module be used for connecting movable storage medium, such as SD, MMC, SDHC card, to import the historical large data of ROMPaq installation kit or storage.Simultaneously, to I/O, functional interface and the associated bus lines of CPU, corresponding with quantity, specification and the function of the subtending port of general purpose I/O interface module and special functional module.
Body module CPU pin with the standard pin form (as, 2.54mm straight cutting or 1.27mm straight cutting) encapsulate and draw, when drawing, need according to the functional regional division of interface in general purpose I/O interface module and the special functional module pin of body module to be carried out the functional area correspondence.Body module, general purpose I/O interface module and special functional module all adopt the interface of same size, and for example, the interface spacing all is 2.54mm or 1.27mm straight cutting, by flat cable plug connection or by the base plate assembly and connection.
After general purpose I/O interface module or special functional module are loaded on the body module by removably, load the body module supply module, and the operation of passing through body module is indicated, such as the LED lamp or/and hummer or/and liquid crystal display, the whether conducting of testing hardware circuit, and adjust accordingly according to test result.
Two, general purpose I/O interface module
Determine the specification of general purpose I/O interface module according to the specification of final RTU product, and plan the interface layout on general purpose I/O interface module.Interface layout is two parts: the subtending port district and the general purpose I that is provided with general purpose I/O interface/O interface area that are provided with subtending port, described general purpose I/O interface is used for connecting the external unit signal, the interface pin of subtending port district and general purpose I/O interface area connects one to one according to transmission of signal-type, sees Fig. 7～8.General purpose I/O interface and subtending port all adopt the unified standard specification, and the subtending port pin is used for linking to each other with body module processor interface bus pin, and general purpose I/O interface pin is used for linking to each other with external unit general purpose I/O interface pin.
According to body module processor pin type and put in order in the module-cascade interface area deployment interface of general purpose I/O interface module; The port application demand all according to the external signal for the treatment of carry is in the device external signaling interface district of general purpose I/O interface module deployment interface; The module-cascade interface of general purpose I/O interface module and the interface in general purpose I/O interface area are connected one to one according to pin function, be about to the identical pin of pin function and connect.
Three, special function interface module
In this implementation, the special function interface module comprises near field communication interface module and video interface module.Determine the specification of special functional module according to the specification of final RTU product, and plan the interface layout on the special functional module.Interface layout is two parts: the specific function I/O interface area and the subtending port district that is provided with subtending port that are provided with specific function I/O interface.The interface pin in subtending port district is used for linking to each other with body module processor interface bus pin, the interface pin of specific function I/O interface area is used for linking to each other with outside specific installation I/O interface pin, such as power supply, video camera, Zigbee, digital device etc., the interface pin internal condition transmission of signal-type of above-mentioned two interface areas connects one to one, and is about to the identical pin of transmission of signal-type and connects.
According to body module processor pin type interface on the special functional module is divided into the interface of specific function signal I/O interface and intermodule cascade, according to body module processor pin type and put in order in the module-cascade interface area deployment interface of special functional module.According to the port application demand of the external signal for the treatment of carry, in the device external specific function signal I/O of special functional module interface area deployment interface.
The below will be take the Samsung S3C2440(body module processor based on ARM9) specify the deployment of interface on general purpose I/O interface module and the special function interface module as example.
The S3C2440 chip has GPIO, ADC general purpose I/O interface and Camera, SPI, IIS-BUS, IIC-BUS, LCD, Interrupt, USB HOST, the special function interface such as USB Device, UART, then dispose GPIO and ADC general purpose I/O interface at the general purpose I of general purpose I/O interface module/O interface area, dispose Camera, SPI, IIS-BUS, LCD, the specific function I/O interfaces such as Interrupt, UART at the specific function I/O of special function interface module interface area.Each specific function I/O interface of body module interface area and the special function interface of S3C2440 chip connect one to one in order.Each specific function I/O interface for the body module interface area, they are drawn out to the device external signaling interface district of general purpose I/O interface module and special functional module, when special function interface is drawn, each special function interface pin is divided discharging by its position on the S3C2440 chip, can from the same or different corresponding connections of special functional module pin.
Four, the identification of Knockdown block and configuration
Body module also comprises identification and the configuration feature of Knockdown block, and this function is used for to being carried in general purpose I on the bus/O interface module and special function interface module automatically identification and configuration, and this function is finished by device management component in the body module.The driving of the integrated total interface module drive of body module (comprising general purpose I/O interface module and specific function I/O interface module), device management component are integrated these interface modules and are driven, and add corresponding interface module port configuration management.When having module to be loaded on the port, device management component identifies loading module, and opens corresponding Port Management function, adjusts each module parameter.Device management component mainly contains two effects, and the one, monitor the ruuning situation of each port, the 2nd, the parameter value of port is carried out corresponding configuration.
After RTU of the present invention powered on, when having module to be connected on the bus, the device management component of moving on the body module was identified the module of loading, and the port that module is loaded is unified configuration.The management of docking port module is divided into general purpose I/O interface module management and specific function I/O interface module is managed two classes.General purpose I/O interface module is managed take a complete general purpose I/O interface module as set, manage take individual interface as unit, when the general purpose I that is connected to equipment/O interface module is loaded on the RTU, device management component has identified general purpose I/O interface module and has been loaded, then set this I/O interface mappings by the operator by device management component, and use the parameter management module in the device management component to carry out corresponding parameter adjustment; That the set that consists of all I/O interfaces of this specific function manages as base unit to specific function I/O interface, when the different I/O interface module of the special function that is connected to equipment is loaded into RTU, device management component has automatically identified the different I/O interface module of special energy and has been loaded, and then sets this specific function I/O set of interfaces mapping (can include a plurality of specific function I/O set of interfaces on the different I/O interface module of special energy) by the operator by device management component.
Take serial ports and ADC port as example, specific as follows to both management:
Relate generally to parameter in the communication of serial ports: baud rate, data bit, parity checking, position of rest etc., after the Ports Serial Communication Ports that is connected to serial communication equipment is linked on the RTU, device management component has recognized Ports Serial Communication Ports and has been loaded, can add the administration configuration to all serial ports on this Ports Serial Communication Ports on the device management component, then the operator sets the serial-port mapping relation of access, can adjust the required parameter value of serial equipment by the parameter management module subsequently, then by the parameter management module these parameter values are converted into the register value of a series of correspondences, and write register.
The ADC port is the passage of analog input, relate generally to the parameters such as sample frequency, because the ADC port is general purpose I/O port, when the general purpose I that is connected to the analog signals input/O interface module is loaded on the RTU, device management component has detected general purpose I/O interface module and has been loaded, device management component can be added the management function to this general purpose I/O interface module all of the port, the operator sets the port mapping of this simulating signal by device management component, then use the parameter management module of device management component to adjust the corresponding ports sample frequency, this sample frequency is converted into the register value of a series of correspondences automatically by the parameter management inside modules, and writes register.
When using, need to test one by one whether can correctly gather required information to the functional requirement of system according to the application port demand of external unit.During test, carry out according to the principle that module is progressively added.Because be by kernel software systematic unity management bottom hardware resource, and hardware all is modular design, so, need not use the online programming mode that system module is carried out functional test.Access the operating system of body module by the mode of terminal or Web Server, then move the hardware resource access control method that the kernel software systematic unity provides, each external unit is carried out functional test, if any problem, adopt the parameter management module to adjust correlation parameter.
When using, need to test one by one whether can correctly gather required information to the functional requirement of system according to the application port demand of external unit.During test, carry out according to the principle that module is progressively added.Because be by kernel software systematic unity management bottom hardware resource, and hardware all is modular design, so, need not use the online programming mode that system module is carried out functional test.Access the operating system of body module by the mode of terminal or Web Server, then move the hardware resource access control method that the kernel software systematic unity provides, each external unit is carried out functional test, if any problem, adopt the parameter management module to adjust correlation parameter.
Take the ADC analog input as example, use the analog quantity sampling routine of a test usefulness of terminal operating, if find that in test sampled data quantity is less than actual incoming frequency, illustrate that then default sample frequency is excessively low, adopt corresponding parameter management module that a larger sample frequency is set, test again, until test data is errorless.
The external function that need to increase for run duration, only need choose corresponding external unit, application port function according to external unit is mounted on function division interface corresponding to corresponding module, then adopts corresponding parameter management module to adjust correlation parameter, and test run gets final product.
The present invention will be further described below in conjunction with the concrete module in the accompanying drawing 1～8.
Fig. 1 is the vertical view of body module implementation, Fig. 2 is its logical organization block diagram, wherein, 1 district expression general purpose I/O interface area, expression subtending port district, 2a district, 3a district, 4b district are specific function I/O interface area, wherein, 3a district expression vision signal switching interface district, 4b district expression power state signal interface area, set interface all links to each other with CPU in the body module interface area.
Fig. 3 is the vertical view of power supply interface module implementation, Fig. 4 is its logical organization block diagram, wherein, expression power input interface district, 5 districts, interface wherein is used for linking to each other with power supply, the 4a district is the power state signal interface area, and interface wherein is used for connecting power state signal interface 4b corresponding on the body module, and the interface of power input interface district and power state signal interface area is interconnected in the power supply interface module.
Fig. 5 is the vertical view of video interface module implementation, Fig. 6 is its logical organization block diagram, wherein, 1 district is general purpose I/O interface area, 2a and 2b district are the subtending port district, and 3 districts are the video signal interface district, and the 3b district is vision signal switching oral region, the interface mutual conduction in general purpose I/O interface area and subtending port district, the interface mutual conduction of video signal interface district and vision signal switching oral region.
Fig. 7 is the vertical view of general purpose I/O interface module implementation, Fig. 8 is its logical organization block diagram, and wherein, 1 district is general purpose I/O interface area, 2a and 2b district are the subtending port district, the interface in general purpose I/O interface area and 2a subtending port district all with the interface mutual conduction in 2b subtending port district.
Fig. 9 is near field communication interface module vertical view, and Figure 10 is its logical organization block diagram, and wherein, 1 district is general purpose I/O interface area, and 2a and 2b district are the subtending port district, the interface in general purpose I/O interface area and 2a subtending port district all with the interface mutual conduction in 2b subtending port district.
Assemble above-mentioned body module, power supply interface module, video interface module, general purpose I/O interface module and near field communication interface module, all modules are all carried out assembly and connection with removably, and are specific as follows:
With the interface in the 2b of video interface module and 3b district respectively with the 2a of body module and the corresponding connection of interface in 3a district, because the interface mutual conduction in 3 districts and 3b district, therefore the vision signal of external unit is communicated with the vision signal switching pin in 3b district by the video signal interface pin in 3 districts, thereby enters the CPU of body module; Behind the assembling video interface module, the general purpose I/subtending port in O interface module 2b district is linked to each other the subtending port in the general purpose I of external unit/O signaling interface connection universal I/O interface module 2a district with the subtending port in the 2a district of video interface module; The interface in the 4a district of power module is linked to each other with the interface in body module 4b district, then, the interface near field communication interface modules 1 district and the interface in power supply interface module 4a district are conducted, and external unit is connected by the interface of adapter with near field communication interface module 2a district.Synoptic diagram is seen Figure 11 after the assembling, and wherein, I is body module, and II is power supply interface module, and III is video interface module, and IV is general purpose I/O interface module.
When needs load other modules, can load by the subtending port in general purpose I/O interface module 2a district according to actual conditions, also can carry out module loading by the subtending port of near field communication interface module.
Claims (10)
1. modularization RTU is characterized in that:
Comprise body module, power module, general purpose I/O interface module, specific function I/O interface module that the kernel software system is installed, wherein, body module is provided with the first general purpose I/O interface area, the first specific function I/O interface area and the first order and connects oral region, described the first specific function I/O interface area is provided with power interface and other specific functions I/O interface, and the first order connects the interface of oral region and the interface of the first general purpose I/O interface area is conducted; General purpose I/O interface module is provided with the second general purpose I/O interface area and the second level connects oral region, and the interface that the second general purpose I/O interface area and the second level connect oral region is conducted; Specific function I/O interface module is provided with the second specific function I/O interface area corresponding with the first specific function I/O interface area and the third level connects oral region; Power module links to each other with removably with body module by power interface; General purpose I/O interface module links to each other with body module, specific function I/O interface module or other general purpose I/O interface module removably by the interface in subtending port district; Subtending port corresponding on the interface of specific function I/O interface module by subtending port district and specific function I/O interface area and the body module links to each other with removably with specific function I/O interface.
2. modularization RTU as claimed in claim 1 is characterized in that:
Described removably is that the flat cable plug connects or the base plate assembly and connection.
3. modularization RTU as claimed in claim 1 is characterized in that:
Described body module comprises processor unit, storage unit, communication unit, movable storage medium interface, general purpose I/O interface, specific function I/O interface and power interface, and the kernel software system is installed, general purpose I/O interface, specific function I/O interface lay respectively at the first general purpose I of body module/O interface area, the first specific function I/O interface area, and communication unit, storage unit, movable storage medium interface, general purpose I/O interface, specific function I/O interface all are connected with processor unit with power interface.
4. modularization RTU as claimed in claim 1 is characterized in that:
Described the first and second general purpose I/O interface area is provided with the general purpose I of polytype signal/O interface.
5. modularization RTU as claimed in claim 4 is characterized in that:
Described general purpose I/O interface comprises at least a in analog quantity I/O interface, switching value I/O interface, the pulsed quantity I/O interface.
6. modularization RTU as claimed in claim 1 is characterized in that:
Described the first and second general purpose I/O interface area is provided with the general purpose I that signal with different type mixes/O interface.
7. modularization RTU as claimed in claim 1 is characterized in that:
Described special function interface module comprises at least a near field communication interface module, Ports Serial Communication Ports, audio interface module, usb interface module and the video interface module.
8. such as the quick method for customizing of each described modularization RTU in the claim 1～7, it is characterized in that, comprise step:
Step 1, application port demand according to the external unit signal, dispose the first general purpose I/O interface at the first general purpose I of body module/O interface area, the first specific function I/O interface area in body module is disposed the first specific function I/O interface, the first order in body module connects oral region deployment first order connecting port, and with the first general purpose I/O interface and the conducting of first order connecting port, described general purpose I/O signal comprises standard analog amount, switching value, pulsed quantity and digital quantity, and described the first specific function I/O interface comprises power interface;
Step 2, application port demand according to the external unit signal, at the second general purpose I of general purpose I/O interface module/O interface area the second general purpose I/O interface is set, connects oral region in the second level second level connecting port is set, and with the second general purpose I/O interface and second level connecting port conducting;
Step 3, application port demand according to the external unit signal, the second specific function I/O interface area in the special function interface module arranges the second specific function I/O interface corresponding with the interface of the first specific function I/O interface area, connects oral region the third level third level connecting port is set;
Step 4 is at the power module deploy power interface corresponding with body module;
Step 5, by power interface power module is connected to body module with removably, by subtending port general purpose I/O interface module is connected to body module, special functional module or other general purpose I/O interface module with removably, the interface by subtending port district and specific function I/O interface area is connected to the special function interface module on the corresponding interface of body module removably;
Step 6, external signal is mounted on the signaling interface in the device external signaling interface district corresponding with its application port function, described device external signaling interface district is the second specific function I/O interface area of the second general purpose I/O interface area and the special function interface module of first general purpose I/O interface area of body module and the first specific function I/O interface area, general purpose I/O interface module;
Step 7, the rear body module that powers on is finished the identification of Knockdown block automatically according to the general purpose I that connects/O interface module and special functional module.
9. quick method for customizing as claimed in claim 8 is characterized in that:
In the step 7, finish the automatic identification of Knockdown block and be configured being specially:
Body module is identified loading and the unloading of power module, general purpose I/O interface module, specific function I/O interface module automatically, and to the unified configuration of the initial parameter of load-on module, test the function of each carry module, and adjust device external signal port parameter according to test case.
10. quick method for customizing as claimed in claim 8 is characterized in that:
In the step 6, adopt fastening adapter that the interface of external signal port with device external signaling interface district is connected.
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Application publication date: 20130417 |