CN202602164U - Switch cabinet intelligent control display device based on graphics - Google Patents
Switch cabinet intelligent control display device based on graphics Download PDFInfo
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- CN202602164U CN202602164U CN 201220284479 CN201220284479U CN202602164U CN 202602164 U CN202602164 U CN 202602164U CN 201220284479 CN201220284479 CN 201220284479 CN 201220284479 U CN201220284479 U CN 201220284479U CN 202602164 U CN202602164 U CN 202602164U
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Abstract
The utility model discloses a switch cabinet intelligent control display device based on graphics. The switch cabinet intelligent control display device comprises a central processing unit (CPU) module, a liquid crystal touching module, a light emitting diode (LED) module and a communication module, wherein the CPU module is used for execution of scheduling of a Linux operation system, the liquid crystal touching module is used for displaying of position information of a contactor and the like, graphic menus and virtual meters, and setting of module parameters, the LED module is used for indicating whether the device operates normally or not and whether electric primary equipment is electrified or not, and is used for indication of protection actions and on-off states, and the communication module is used for collecting of information of a protection assembly, an electrification displaying assembly, a temperature and humidity assembly and a breaker online detecting assembly, and simultaneously can be connected with an automatic system through a radio station (RS) 485 or an Ethernet interface to receive or forward the information. The switch cabinet intelligent control display device is simple in structure, simplifies panel wire connection, perfects indication function and safety performance of on-off states and, and meanwhile is easy to install and debug.
Description
Technical field
The utility model relates to a kind ofly controls display unit based on patterned switch cubicle intelligence, belongs to the power system automation technology field.
Background technology
Switch cubicle intelligence is controlled display unit; Can be complete with Medium Voltage Switchgear; Accomplish measurement, protection, control, demonstration, the communication function of each switch gap of medium voltage network, also can carry out intelligentized transformation to traditional switch cubicle, country is intelligent to primary equipment to satisfy, visual requirement.Domestic popular intelligent actuation means is just concentrated, integrated the equipment on the conventional switch cabinet instrument door at present, improves electrified level, and is intelligent far from.Adopt charactron to add MCU mostly; On the basis of positioning indicator, increase and measure and the Temperature and Humidity Control function, the equipment degree of integration is lower, and communication interface adopts the RS485 mode more; Low and the communication protocol disunity of Bus Speed can't satisfy country's 12 requirements for the intelligent grid standard.Secondly, it is lower that traditional intelligence behaviour shows the plant automation level, mostly can't be integrated with the protection measure and control device, and the equipment wiring is complicated, and the resource repeated configuration is safeguarded and the maintenance difficulty.
The utility model content
The utility model technical problem to be solved is to realize that switch cubicle intelligence controls the function of the graphical man-machine interface of display unit, provides a kind of simple in structure and switch cubicle intelligence that running status is stable to control display unit.
The utility model another technical problem to be solved provides a kind of switch cubicle intelligence that is easy to install, debug, safeguard and controls display unit.
For solving the problems of the technologies described above, the utility model provides a kind ofly controls display unit based on patterned switch cubicle intelligence, comprising:
CPU module: be used to carry out the scheduling of (SuSE) Linux OS;
It is characterized in that, also comprise:
Lcd touch module: link to each other with the CPU module, be used for the demonstration of contactor positional information, graphical menu, virtual instrument, the setting of module parameter; The lcd touch module comprises based on the man-machine graphic interface of Linux+QTE (linux system and embedded QT programming language), can to the user operation-interface be provided with the mode of figure, realizes that the state of equipment shows and control;
Led module: link to each other with the CPU module, be used to indicate this device whether to move normally, protection action indication, the whether charged indication of on off state and electric primary equipment;
Communication module: link to each other with the CPU module, be used to collect the information of protection assembly, charged display module, humiture assembly and the online detection components of circuit breaker, link to each other with automated system through RS485 or Ethernet interface simultaneously, with said message pick-up and forwarding.
Aforesaidly control display unit based on patterned switch cubicle intelligence; It is characterized in that; Said CPU modular circuit comprises: AM3505 chip, reset circuit, crystal oscillating circuit, built-in house dog, SYS_BOOT (system start-up mode) select loop, outside spread F lash loop, DDR2 SDRAM extension loop, external SD card extension loop
Said reset circuit plays interface with AM3505 chip thermogravimetric and links to each other, and produces systematic reset signal, and this circuit of said reset circuit also comprises the peripheral circuit loop that resets, and produces the peripheral circuit reset signal through AM3505 chip GPIO mouth;
Said crystal oscillator loop comprises a high speed crystal oscillator that is used to provide the 26MHZ of main system clock, and the low speed crystal oscillator that is used to produce the auxiliary system clock of AM3505 chip internal;
Said SYS_BOOT (system start-up mode) selects the loop to comprise 6 braces that can switch, and switches through high-low level to produce different coding signal, the Starting mode of corresponding CPU switching;
Said outside spread F lash loop comprises the NOR Flsah chip of one piece of ternary latch and one piece of 64MB; Latch links to each other with AM3505 chip GPMC interface; Be used to latch the cpu data signal, write the Flash chip, the Flash chip is used for the storage system boot files;
Said DDR2 SDRAM extension loop comprises two pieces of DDR2 SDRAM chips, and said DDR2 SDRAM chip links to each other with AM3505 chip internal expansion sdram interface, constitutes 32 256MB internal memories jointly;
Said external SD extension loop comprises SD expansion card and one piece of SD card connector of one piece of 8G; The SD cartoon is crossed connector and is linked to each other with AM3505 chip MMC control loop and produce the memory space of 8GB; Said memory space is used for the storage system backup file, linux kernel file and application file;
This CPU modular circuit at first reads kernel that Flash or SD card deposit and boot files to the DDR2 sdram memory, carries out computing and processing through the AM3505 chip then, accomplishes the traffic control of (SuSE) Linux OS.
Aforesaidly control display unit based on patterned switch cubicle intelligence, it is characterized in that: described lcd touch module comprises the very color liquid crystal display screen of 8 cun 1024*768 resolution, and one touches the outer screen of control; The liquid crystal booster circuit; Backlight control circuit, reset circuit, TSC2004 touch-control IC; Regulating circuit and LVDS bus
Said LCD screen links to each other with AM3505 chip display subsystem through the LVDS bus, is used to receive the shows signal of AM3505 output;
The outer screen of said touch control is through TSC2004 touch-control IC and AM3505 chip internal I
2The C bus links to each other, and in order to produce the four-wire resistance type control signal, accomplishes touch control function;
Said booster circuit and regulating circuit link to each other with LCDs, in order to produce the power supply and the sequential voltage signal of liquid crystal;
Said backlight control circuit links to each other with LCDs LED luminous lamp tube, in order to liquid crystal display LED-backlit power supply and control signal to be provided.
This module adopts graphical liquid crystal display to add the mode that touches control man-machine Fabric Interface is provided.
Aforesaidly control display unit based on patterned switch cubicle intelligence; It is characterized in that: described led module circuit comprises STM32F103 chip, crystal oscillating circuit, reset circuit, the built-in house dog of MCU, the built-in Flash of MCU and the built-in SRAM of MCU; The AC sampling loop; LED indicates loop, relay output loop
Said STM32F103 chip installs charged demonstration aiding CPU for this, and the STM32F103 chip links to each other with the AM3505 chip through high-speed serial bus, is used for detecting and judging whether switch cubicle is charged;
Said crystal oscillator loop links to each other with STM32F103 chip clock interface, in order to clock signal to be provided;
Said AC sampling loop links to each other with STM32F103 chip internal AD translation interface, is used for the charged signal of sense switch cabinet;
Whether said LED indication loop links to each other with STM32F103 chip internal I/O mouth, be used in reference to showing device and move normally, protection action indication;
Said relay output loop links to each other with STM32F103 chip internal I/O mouth, is used to export charged demonstration block signal.
This led module is through sense switch cabinet electrified sensor voltage signal; Through isolation transformer, operational amplifier, RC filter circuit; Sending into charged demonstration aiding CPU sampling after the isolation of the detection signal of the charged indication sensor of switch cubicle process, amplification, the filtering; Through the charged and block signal of IO mouth control relay output switch cubicle of charged demonstration aiding CPU, this aiding CPU is sent into the output of AM3505 chip to sampled data through high-speed serial bus simultaneously at last.
Aforesaidly control display unit based on patterned switch cubicle intelligence; It is characterized in that: described communication module circuit comprises three 10/100M Ethernet interfaces; An Ethernet interface is connected generation through the DM9161AEP chip with CPU inside modules MAC Address; Be used to protect the measurement and control unit communication, collect the information of protection assembly, humiture assembly and the online detection components of circuit breaker, two other Ethernet interface is connected expansion through the DM9000BI chip with CPU inside modules IO mouth; Be used for being connected with automated system, the message transmission of collecting the protection measurement and control unit is to supervisory control system or scheduling; 4 UART mouths, UART1 and UART4 are two RS485 serial ports, are used for device and upper machine communication; UART3 is one road RS232 serial port, as the device terminal interface; UART4 is used for device host CPU and charged demonstration aiding CPU internal communication.
Aforesaidly control display unit based on patterned switch cubicle intelligence; It is characterized in that: also comprise graphical man-machine interface based on the HMI of Linux+QTE; One is the linux kernel of core with ARM Cortex A8; Application program has adopted the graphical development framework of QT/E, sets up the cross development environment of QT/E on the PC, adopts C Plus Plus to carry out the exploitation of Application Program Interface.Agreement based on the Ethernet application layer realizes the integrated of HMI and protection measurement and control unit.Patterned man-machine interface comprises: main menu, protection parameter interface, circuit breaker parameters interface, humiture parameter interface etc.
The controlling the display unit operation principle based on patterned switch cubicle intelligence and be of the utility model: carry out communication through ethernet communication interface and protection observing and controlling assembly, charged display module, humiture assembly and circuit breaker on-line monitoring assembly; Each assembly aiding CPU is handled the data of needs monitoring and is packed; Through the communications protocol of configure dedicated, be transferred to intelligence to each amount of information with the ethernet communication cable and control display unit then.Device is patrolled and examined each measurement and control unit through the scheduling based on (SuSE) Linux OS, with the form of a patterned HMI, on liquid crystal display screen, shows each item measured data; Simultaneously, with the mode that touches, to sending instructions under each observing and controlling assembly.
The beneficial effect that the utility model reached:
The utility model utilizes the powerful performance of ARM Cortex A8 processor, makes the built-in Linux operating system operation become possibility, adopts the graphical development framework of QT/E on this basis, makes exploitation and safeguards more convenient.Simultaneously, a large amount of employing technical grades, the chip of high integration and components and parts install stablely, reliable, can adapt to transformer station, the running environment that power plant etc. are abominable.The form that adopts display module to separate with measurement and control unit, between the connection of use Ethernet, data transmission bauds is fast, has also simplified wiring, has beautified the panel of switch cubicle.Configuration various communication interfaces and communications protocol can be easily integrated with each observing and controlling assembly of switch cubicle, and performance is powerful, is convenient to maintenance, and the while has also been reduced user's use cost.Add the mode of touch operation with graphical menu, the man-machine interface with the user is provided, easy and simple to handle, directly perceived, be easy to use.A large amount of employing ethernet mediums is as the principal mode of transfer of data, and measured communications protocol can be good at satisfying country's 12 requirements for intelligent grid.
Description of drawings
Fig. 1 is the utility model is controlled display unit based on patterned switch cubicle intelligence an overall structure sketch map;
Fig. 2 is the utility model is controlled display unit based on patterned switch cubicle intelligence a CPU module diagram one;
Fig. 3 is the utility model is controlled display unit based on patterned switch cubicle intelligence a CPU module diagram two;
Fig. 4 is the utility model is controlled display unit based on patterned switch cubicle intelligence a CPU module diagram three;
Fig. 5 is the utility model is controlled display unit based on patterned switch cubicle intelligence a lcd touch module diagram;
Fig. 6 is the utility model is controlled display unit based on patterned switch cubicle intelligence a led module sketch map;
Fig. 7 is the utility model is controlled display unit based on patterned switch cubicle intelligence a communication module sketch map;
Fig. 8 is the utility model is controlled the Linux+QTE of display unit based on patterned switch cubicle intelligence a HMI graphic interface sketch map.
Embodiment
Be described further below in conjunction with the embodiment of accompanying drawing the utility model.
Fig. 1 is the utility model is controlled display unit based on patterned switch cubicle intelligence an overall structure sketch map.A kind ofly control display unit based on patterned switch cubicle intelligence; It adopts the AM3505 high-performance processor of TI company technical grade based on ARM Cortex A8 kernel, and whole device is made up of CPU module, lcd touch module, led module, communication module, patterned HMI.Wherein the CPU module selects circuit such as loop, outside spread F lash and DDR2 SDRAM, the expansion of external SD card to form by AM3505 chip, reset circuit, crystal oscillating circuit, built-in house dog, SYS_BOOT (system start-up mode), so that the operating system of operation embedded Linux kernel.The lcd touch module is made up of touch control chip, touch pad, LCD, the chip that boosts, backlight control chip, LVDS bus, is used to provide the man-machine interface interface of input and output.Led module is made up of 10 luminous LED diodes, charged demonstration detection loop, blocking relay, is used for running status, alarm and the charged show state of display unit.Communication module comprises the Ethernet interface of three 10/100M, and one is used for the communication with measurement and control unit CPU, and other two are used for and the automated system communication, two RS485 serial ports, a RS232 debug port.
Fig. 2, Fig. 3, Fig. 4 are the utility model is controlled display unit based on patterned switch cubicle intelligence CPU modular circuit sketch mapes.
Circuit shown in Figure 2 comprises: cpu reset circuit, crystal oscillating circuit, SYS_BOOT (system start-up mode) select circuit.
The cpu reset circuit comprises system power-on reset circuit and peripheral chip electrify restoration circuit two parts.Above-mentioned said CPU electrify restoration circuit links to each other with positive supply through pull-up resistor, to produce systematic reset signal; The peripheral chip reset circuit is isolated through a slice ternary output buffered gate and CPU, produces the peripheral circuit reset signal through CPU I/O mouth simultaneously.Above-mentioned said crystal oscillating circuit comprises the high speed crystal oscillator of a 26MHz, links to each other with the clock input interface of CPU, so that main system clock to be provided.Above-mentioned said SYS_BOOT (system start-up mode) selects circuit, comprises that 6 groups of voltages switch brace, and every group of brace can switch two kinds of level states of height, produces different coding, the Starting mode of control system through switching.
Circuit shown in Figure 3 comprises: external Flash expanded circuit and external SD card expanded circuit two parts.Above-mentioned said external Flash expanded circuit comprises the NOR Flash chip of a D-latch and a 64MB; The Flash chip links to each other with CPU general target storage control through D-latch; By address and the data-signal that latches CPU sends, the read-write of control Flash.Above-mentioned said SD card expanded circuit comprises one piece of MMC connector and one piece of 8GB SD storage card.The SD cartoon is crossed connector and is linked to each other with the inner MMC control interface of CPU, reads and write SD card data.
Circuit shown in Figure 4 comprises: two 1G bit DDR2 memories, they are connected on the address and data/address bus of CPU through the DDR2 control interface of CPU, the parallel connection, constitute 32 DDR2 inner high speed of 256MB holder jointly.
Fig. 5 is the utility model is controlled display unit based on patterned switch cubicle intelligence a lcd touch modular circuit sketch map.Above-mentioned said lcd touch circuit comprises: booster circuit, TSC2004 resistive touch control chip, LED-backlit control circuit, LVDS bus circuit.Power supply produces liquid crystal working power and sequential voltage signal through booster circuit, the inner I of TSC2004 chip and CPU
2The C bus links to each other, and through touching the outer screen of control senses touch control signal, after the computing of TSC2004 chip, is transferred to CPU and handles, and is used for locating the finger touch signal.LCD backlight control circuit links to each other with CPU LCD backlight control pin, through the brightness of CPU control LCD backlight LED.
Fig. 6 is the utility model is controlled display unit based on patterned switch cubicle intelligence a led module sketch map.Above-mentioned said led module circuit comprises: charged demonstration aiding CPU loop, AC sampling loop, LED indication loop, relay output loop.Above-mentioned said charged demonstration aiding CPU loop comprises: STM32F103 chip, crystal oscillating circuit, reset circuit, the built-in house dog of MCU, the built-in Flash of MCU and the built-in SRAM of MCU.This circuit links to each other with the CPU module through high-speed serial bus, as the aiding CPU of judging that switch cubicle is whether charged; The AC sampling loop comprises: signal condition loop, computing amplifying return circuit, AD change the loop.The voltage signal that the switch cubicle electrified sensor detects is sent into the A/D convertor circuit of CPU after rectification, filtering, amplification in capacitance partial pressure input instrument transformer, carry out voltage sample; LED indication loop comprises: whether 10 luminous LED lights link to each other with the inner I/O mouth of STM32F103, be used in reference to showing device and move normally, protection action indication; The relay output loop comprises: relay and driving FET.Output through the inner I/O control relay of STM32F103.
Fig. 7 is the utility model is controlled display unit based on patterned switch cubicle intelligence a communication module sketch map.Above-mentioned said communication module circuit comprises: three 10/100M Ethernet interfaces.An Ethernet interface is connected generation through the DM9161AEP chip with CPU inside modules MAC Address, is used to protect the measurement and control unit communication, collects the information of protection assembly, humiture assembly and the online detection components of circuit breaker; Two other Ethernet interface is connected expansion with CPU inside modules IO mouth through DM9000BI, be used for being connected with automated system, above-mentioned message transmission to supervisory control system or scheduling; 4 UART mouths.UART1 and UART4 are two RS485 serial ports, are used for device and upper machine communication; UART3 is one road RS232 serial port, as the device terminal interface; UART4 is used for device host CPU and the inner serial communication of charged demonstration aiding CPU.
Fig. 8 is the utility model is controlled the Linux+QTE of display unit based on patterned switch cubicle intelligence a HMI graphic interface sketch map.The embedded OS of Linux 2.6 kernels is adopted at this patterned HMI interface, based on the GUI shape library of QT/Embedded, adopts the interface of windows style.Each interface menu adopts the form of application software submodule to realize, comprises: switch cubicle instrument display interface, switch cabinet one-time conceptual scheme display interface, switch cubicle photon row display interface, protection parameter menu, circuit breaker parameters menu, humiture parameter menu and main menu.Protection SOE information adopts the form of timely push type message to push, and is timely, eye-catching, be convenient to watch.
The utility model is controlled display unit based on patterned switch cubicle intelligence; 32 arm processors of the high performance technical grade of TI company have been adopted; Jumbo RAM and Flash have been disposed; And can enable the stable built-in Linux operating system that moves fast through external SD card extension storage space.The processor speed of service is fast, and processing procedure is advanced, and heating and power consumption are all smaller, can adapt to abominable running environment such as transformer station and power plant.Adopt the operation interface of graphical menu, easy to operate, directly perceived, also meet current social device intelligenceization, graphical, networked development trend.Adopt Ethernet to be connected between the utility model and each functional unit, simplified the wiring of equipment on the switch cubicle instrument door, be convenient to maintenance.
The above-mentioned execution mode of the utility model has following characteristics:
1. adopt 8 cun high clear colorful touch display screens, can show the operational factor of high-voltage board each several part very easily;
2. adopt the communication modes of Ethernet, communication speed is fast, and it is convenient to insert;
3. possess functional interfaces such as the charged demonstration of Medium Voltage Switchgear, temperature/humidity control, protection observing and controlling, switch on-line monitoring, contact wireless temperature measurement; Adopt the form of plug-in unit between each functional unit; Can increase and reduce configuration very easily, also simplify amount of equipment on the switch cubicle simultaneously;
4. patterned human-computer interaction interface is easy to use;
5. adopt the Development Framework of Linux+QT/E, running software is stable, is convenient to upgrading and maintenance;
6. each equipment room connects with communication modes, and most of wiring places in the switch cabinet instrument room, only has communication and power line on the instrument door, has simplified the wiring of switch cubicle equipment;
7. the controlling display unit based on patterned switch cubicle intelligence and realized protection, observing and controlling and communicating integral of the utility model has wide market application prospect.
The protection range of the utility model is not limited to the protection range in the embodiment, and the distortion that does not need creative work that embodiment is made all belongs to the protection range of the utility model.
Claims (5)
1. control display unit based on patterned switch cubicle intelligence for one kind, comprising:
CPU module: be used to carry out the scheduling of (SuSE) Linux OS;
It is characterized in that, also comprise:
Lcd touch module: link to each other with the CPU module, be used for the demonstration of contactor positional information, graphical menu, virtual instrument, the setting of module parameter; The lcd touch module comprises the man-machine graphic interface based on linux system and embedded QT programming language, can to the user operation-interface be provided with the mode of figure, realizes that the state of equipment shows and control;
Led module: link to each other with the CPU module, be used to indicate this device whether to move normally, protection action indication, the whether charged indication of on off state and electric primary equipment;
Communication module: link to each other with the CPU module, be used to collect the information of protection assembly, charged display module, humiture assembly and the online detection components of circuit breaker, link to each other with automated system through RS485 or Ethernet interface simultaneously, with said message pick-up and forwarding.
2. according to claim 1ly control display unit based on patterned switch cubicle intelligence; It is characterized in that; Said CPU modular circuit comprises: AM3505 chip, reset circuit, crystal oscillating circuit, built-in house dog, system start-up mode are selected loop, outside spread F lash loop, DDR2 SDRAM extension loop and external SD extension loop
Said reset circuit plays interface with AM3505 chip thermogravimetric and links to each other, and produces systematic reset signal, and said reset circuit also comprises the peripheral circuit loop that resets, and produces the peripheral circuit reset signal through AM3505 chip GPIO mouth;
Said crystal oscillator loop comprises a high speed crystal oscillator that is used to provide main system clock, and the low speed crystal oscillator that is used to produce the auxiliary system clock of AM3505 chip internal;
Said system start-up mode selects the loop to comprise 6 braces that can switch, and switches through high-low level to produce different coding signal, the Starting mode of corresponding CPU switching;
Said outside spread F lash loop comprises the NOR Flsah chip of one piece of ternary latch and one piece of 64MB; Latch links to each other with AM3505 chip GPMC interface; Be used to latch the cpu data signal, write the Flash chip, the Flash chip is used for the storage system boot files;
Said DDR2 SDRAM extension loop comprises two pieces of DDR2 SDRAM chips, and said DDR2 SDRAM chip links to each other with AM3505 chip internal expansion sdram interface, constitutes 32 256MB internal memories jointly;
Said external SD extension loop comprises one piece of SD expansion card and one piece of SD card connector; The SD cartoon is crossed the memory space that connector links to each other with AM3505 chip MMC control loop and produces, and said memory space is used for storage system backup file, linux kernel file and application file.
3. according to claim 1ly control display unit based on patterned switch cubicle intelligence, it is characterized in that: described lcd touch module comprises the very color liquid crystal display screen of 8 cun 1024*768 resolution, and one touches the outer screen of control; The liquid crystal booster circuit; Backlight control circuit, reset circuit, TSC2004 touch-control IC; Regulating circuit and LVDS bus
Said LCD screen links to each other with AM3505 chip display subsystem through the LVDS bus, is used to receive the shows signal of AM3505 output;
The outer screen of said touch control is through TSC2004 touch-control IC and AM3505 chip internal I
2The C bus links to each other, and in order to produce the four-wire resistance type control signal, accomplishes touch control function;
Said booster circuit and regulating circuit link to each other with LCDs, in order to produce the power supply and the sequential voltage signal of liquid crystal;
Said backlight control circuit links to each other with LCDs LED luminous lamp tube, in order to liquid crystal display LED-backlit power supply and control signal to be provided.
4. according to claim 1ly control display unit based on patterned switch cubicle intelligence; It is characterized in that: described led module circuit comprises STM32F103 chip, crystal oscillating circuit, reset circuit, the built-in house dog of MCU, the built-in Flash of MCU and the built-in SRAM of MCU; The AC sampling loop; LED indication loop and relay output loop
Said STM32F103 chip installs charged demonstration aiding CPU for this, and the STM32F103 chip links to each other with the AM3505 chip through high-speed serial bus, is used for detecting and judging whether switch cubicle is charged;
Said crystal oscillator loop links to each other with STM32F103 chip clock interface, in order to clock signal to be provided;
Said AC sampling loop links to each other with STM32F103 chip internal AD translation interface, is used for the charged signal of sense switch cabinet;
Whether said LED indication loop links to each other with STM32F103 chip internal I/O mouth, be used in reference to showing device and move normally, protection action indication;
Said relay output loop links to each other with STM32F103 chip internal I/O mouth, is used to export charged demonstration block signal.
5. according to claim 1ly control display unit based on patterned switch cubicle intelligence; It is characterized in that: described communication module circuit comprises three 10/100M Ethernet interfaces; An Ethernet interface is connected generation through the DM9161AEP chip with CPU inside modules MAC Address; Be used to protect the measurement and control unit communication, collect the information of protection assembly, humiture assembly and the online detection components of circuit breaker, two other Ethernet interface is connected expansion through the DM9000BI chip with CPU inside modules IO mouth; Be used for being connected with automated system, the message transmission of collecting the protection measurement and control unit is to supervisory control system or scheduling; 4 UART mouths, UART1 and UART4 are two RS485 serial ports, are used for device and upper machine communication; UART3 is one road RS232 serial port, as the device terminal interface; UART4 is used for device host CPU and charged demonstration aiding CPU internal communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220284479 CN202602164U (en) | 2012-06-15 | 2012-06-15 | Switch cabinet intelligent control display device based on graphics |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220284479 CN202602164U (en) | 2012-06-15 | 2012-06-15 | Switch cabinet intelligent control display device based on graphics |
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| CN202602164U true CN202602164U (en) | 2012-12-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113626085A (en) * | 2020-05-06 | 2021-11-09 | 中电智能科技有限公司 | Industrial HMI terminal based on full log A40i treater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113626085A (en) * | 2020-05-06 | 2021-11-09 | 中电智能科技有限公司 | Industrial HMI terminal based on full log A40i treater |
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Granted publication date: 20121212 |
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