CN202600466U - Self-networking and programmable signal collecting, processing and output device - Google Patents
Self-networking and programmable signal collecting, processing and output device Download PDFInfo
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- CN202600466U CN202600466U CN 201220249886 CN201220249886U CN202600466U CN 202600466 U CN202600466 U CN 202600466U CN 201220249886 CN201220249886 CN 201220249886 CN 201220249886 U CN201220249886 U CN 201220249886U CN 202600466 U CN202600466 U CN 202600466U
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Abstract
The utility model provides a self-networking and programmable signal collecting, processing and output device which comprises a switching value collecting unit, an analog quantity collecting unit, a coding pulse collecting unit, a signal processing unit and a signal output unit. The self-networking and programmable signal collecting, processing and output device has the advantages of simultaneously collecting various signal quantities such as the switching value, the analog quantity and speed feedback signals to achieve monitoring of various states of a crane in operation and ensuring safe and stable operation of the crane due to the fact that all input variables can perform independent programming output control; being capable of increasing the number of monitored objects unlimitedly by building a master station unit and a slave station unit, and achieving self-networking monitoring.
Description
Technical field
The utility model relates to industrial control field, more particularly, but relates to the programmable signal acquisition process output unit of a kind of MANET in crane field.
Background technology
Crane is a kind of through VTOL (vertical take off and landing) or VTOL (vertical take off and landing) and move horizontally the electromechanical equipment that takes weight.Its electric-control system generally comprises: OPS, and distribution, main hoisting, pair hoists, cart, dolly, secondary dolly etc.; Be applied to elevating translational and have single motor operation again, the different situations of bi-motor operation and the operation of four motors.Along with the continuous development of technology,, need monitor the operating various amounts of crane for ensureing the safe and stable operation of crane.Prior art mainly realizes the monitoring to the crane operational process through following three kinds of modes: 1, application number is that 200620107219.2 utility model patent provides a kind of switch acquisition module; 2, application number is that 200920308097.7 utility model patent provides a kind of 16 road analog data acquisition controlling boxes; 3, realize monitoring through the PLC programmable logic controller (PLC) to the crane operational process.
Above-mentioned two patented technology schemes can only realize single signals collecting, i.e. the switching value signals collecting.Yet; Continuous development along with technology; Need the input/output variable quantity of monitoring more and more; And only can not satisfy industry requirement for the input and output of pilot switch amount, be that the monitoring demand of coded pulse signal is also more and more urgent for the monitoring of analog quantity and to feedback speed signal.Only the switch amount signals collecting can not satisfy the especially monitoring requirement of crane industry of industry spot; Can not realize the MANET logic control, can't deal with data, therefore can not be applicable to widely in the existing industry scene that its limitation is arranged.The PLC programmable logic controller (PLC) comprises power supply, CPU, input/output module and expansion module, can realize the collection of a large amount of switching values, analog quantity.But its function realizes all coming from modular assemblyization, and the volume that takes up room is bigger; And exist a frame at most with the restriction of 8 functional modules; Continue increase and need to increase expansion module; The electric-control system that is directed to the crane industry needs the big characteristics of acquired signal amount, adopts PLC control will cause cost higher, and is bigger to the economic pressures of enterprise.Moreover, along with the arrival of cybertimes, the communication between the various signals, logic control, resource sharing have been inexorable trends.
Summary of the invention
The technical matters that the utility model will solve is, to the prior art defective, provides the little price of volume low, can gather multiple signal and can realize the apparatus and method that the programmable signal acquisition process of MANET is exported, to satisfy the demand of existing industry.
But the utility model provides a kind of MANET programmable signal acquisition process output unit, it is characterized in that, comprise the signal acquisition process output unit and select positioning treatment apparatus, wherein,
The signal acquisition process output unit comprises: the switch acquisition unit of gathering the switching value signal; Gather the analog acquisition unit of electric current and voltage analog signal; The coded pulse collecting unit of picking rate feedback signal; The signal processing unit that is connected with switch acquisition unit, analog acquisition unit and coded pulse collecting unit respectively, the signal output unit that is connected with signal processing unit;
The selection positioning treatment apparatus comprises: the communication control module that is connected communication with signal processing unit; The addressing module of the signal acquisition process output unit being carried out the master-salve station fixed-position addressing that is connected with communication control module; The confession signal acquisition process output unit that is connected with the addressing module selects to connect DP master station module and DP slave station module, the DP group-net communication interface that carries out group-net communication that is connected with DP slave station module with the DP master station module.
Preferably, when the addressing module navigated to the DP master station module with the addressing of signal acquisition process output unit, the DP master station module also was connected with host computer through the PC communication interface.
Preferably, signal processing unit adopts fpga chip.
Preferably, also comprise the watchdog circuit that the signal processing unit running status is monitored in real time, and/or when power-down conditions occurring, carry out the power down storage unit of data storage, said watchdog circuit and/or power down storage unit are connected with signal processing unit.
Preferably, the switch acquisition unit comprises: 75 way switch amount acquisition module interfaces, with the light-coupled isolation module that 75 way switch amount acquisition module interfaces are connected, the switching value treatment circuit that is connected with the light-coupled isolation module; The analog acquisition unit comprises: 10 road analogue collection module interfaces, and the magnetic coupling isolation module that is connected with 10 road analogue collection module interfaces, the analog quantity that is connected with magnetic coupling isolation module is handled the A/D modular converter; The coded pulse collecting unit comprises: 6 tunnel coded pulse acquisition module interfaces, with the light-coupled isolation module that 6 tunnel coded pulse acquisition module interfaces are connected, the pulse signal that is connected with the light-coupled isolation module is handled holding circuit.
Preferably, also comprise with the switch acquisition unit being connected, when the switching value signal of being gathered is sent to signal processing unit, the switching value of being gathered is carried out the display unit that state shows through the LED lamp; Be connected with the analog acquisition unit, when the analog signals of being gathered is sent to signal processing unit, the display unit that the electric current of being gathered and voltage analog signal are shown through display interface; Be connected with the coded pulse collecting unit, the speed pulse signal gathered is handled be sent to signal processing unit in, the display unit that the speed pulse signal of being gathered is shown through display interface.
Preferably, signal output unit comprises level shifting circuit, relay drive circuit that is connected with level shifting circuit and the 30 way switch amount output circuits that are connected with relay drive circuit.
But implement the programmable signal acquisition process output unit of MANET of the utility model; Have following beneficial effect: (1) is gathered the multiple semaphore of switching value, analog quantity and feedback speed signal simultaneously and is realized the operating various amounts of crane are monitored; Each input variable can carry out ensureing the safe and stable operation of crane from main programming output control; (2) through setting up main station unit and slave station unit, can unlimited extension monitored object quantity, realize the MANET monitoring.For example; When the switching value of actual needs monitoring greater than 75 way switch amounts; Perhaps the analog quantity of actual needs monitoring is greater than 10 tunnel analog quantitys; When perhaps the feedback speed signal of actual needs monitoring is greater than 6 road feedback speed signal amounts, can adopt a main station unit and a slave station unit, then the collection capacity of semaphore doubles.
Description of drawings
But Fig. 1 is the structural representation of the programmable signal acquisition process output unit of the MANET of the utility model;
Fig. 2 is the main station unit structural drawing of the utility model one embodiment;
Fig. 3 is the structural drawing of the slave station unit of the utility model one embodiment;
But Fig. 4 is the topology diagram of the programmable signal acquisition process output unit of the MANET of the utility model;
But Fig. 5 is the networking structure synoptic diagram of the programmable signal acquisition process output unit of the MANET of the utility model.
Embodiment
The electric-control system of crane industry mainly comprises: OPS, and distribution, main hoisting, pair hoists, cart, dolly dispatch control system; There is single motor operation again in the method for operation, the situation of bi-motor operation and the operation of four motors.This just brings needs the state variable of acquisition monitoring quantity huger; Along with the development of technology, to the stability of motor operation, the monitoring of real-time is also progressively paid attention to by the user, and this need just to require monitoring motor travelling speed encoder feedback, and simulating signal stator voltage electric current etc.But Fig. 1 is the structural representation of the programmable signal acquisition process output unit of the MANET of the utility model, and is as shown in the figure.But the programmable signal acquisition process output unit of the MANET of the utility model comprises the signal acquisition process output unit and selects positioning treatment apparatus; Wherein, The signal acquisition process output unit comprises: the switch acquisition unit of gathering the switching value signal; Gather the analog acquisition unit of electric current and voltage analog signal; The coded pulse collecting unit of picking rate feedback signal, the signal processing unit that is connected with switch acquisition unit, analog acquisition unit and coded pulse collecting unit respectively, the signal output unit that is connected with signal processing unit.Signal processing unit adopts fpga chip, compares with PLC, and fpga chip speed has clear superiority.The selection positioning treatment apparatus comprises: the communication control module that is connected communication with signal processing unit; The addressing module of the signal acquisition process output unit being carried out the master-salve station fixed-position addressing that is connected with communication control module; The confession signal acquisition process output unit that is connected with the addressing module selects to connect DP master station module and DP slave station module, the DP group-net communication interface that carries out group-net communication that is connected with DP slave station module with the DP master station module.When the addressing module navigates to the DP master station module with the addressing of signal acquisition process output unit; Promptly select positioning treatment apparatus that this device is chosen as main station unit; At this moment, this device is defined as first device, the DP master station module of first device also is connected with host computer through the PC communication interface.
The addressing module is connected with DP slave station module two tunnel with the DP master station module, and the DP master station module is connected with DP group-net communication interface with DP slave station module two tunnel.But in the programmable signals collecting output system of whole networking, select the selection module of positioning treatment apparatus to connect the DP master station module in first device, DP group-net communication interface connects host computer.Select the selection module of positioning treatment apparatus to connect DP slave station module in other devices, DP group-net communication interface is connected with main station unit through fieldbus.
But in a programmable signal acquisition process output unit of MANET, only there is a main station unit, can has a plurality of slave stations unit simultaneously, the workshop number decision that the number of slave station unit is monitored as required.The signal processing unit of first device and communication control module use the sheet choosing, bus signal control such as read/write through 8 two-way simultaneous data lines; Can adopt periodicity and aperiodicity and realize data transmission with mode.Communication control module sends protocol contents+CRC16 verification that each slave station cells D P address+(customization) slave station is sent to main website to signal processing unit; Signal processing unit transmits purpose slave station cells D P address+(customization) main website to communication control module and is sent to the protocol contents+CRC16 verification of slave station.
Endless loop appears in the program of carrying out in the signal processing logic unit, also is provided with signal processing unit to be connected the watchdog circuit that the signal processing unit running status is monitored in real time.For fear of the loss of data that accident power-off causes, also be provided with signal processing unit and be connected, the power down storage unit of storage data when being used for power down.
The switch acquisition unit comprises: 75 way switch amount acquisition module interfaces, with the light-coupled isolation module that 75 way switch amount acquisition module interfaces are connected, the switching value treatment circuit that is connected with the light-coupled isolation module; The analog acquisition unit comprises: 10 road analogue collection module interfaces, and the magnetic coupling isolation module that is connected with 10 road analogue collection module interfaces, the analog quantity that is connected with magnetic coupling isolation module is handled the A/D modular converter; The coded pulse collecting unit comprises: 6 tunnel coded pulse acquisition module interfaces, with the light-coupled isolation module that 6 tunnel coded pulse acquisition module interfaces are connected, the pulse signal that is connected with the light-coupled isolation module is handled holding circuit.This device also comprises with the switch acquisition unit and being connected, and when the switching value signal of being gathered is sent to signal processing unit, the switching value of being gathered is carried out the display unit that state shows through the LED lamp; Be connected with the analog acquisition unit, when the analog signals of being gathered is sent to signal processing unit, the display unit that the analog signals of being gathered is shown through display interface; Be connected with the coded pulse collecting unit, the speed pulse signal gathered is handled be sent to signal processing unit in, the display unit that the speed pulse signal of being gathered is shown through display interface.
Breaker signal (containing master control power circuit breaker, motor isolating switch) is gathered through the switch acquisition module interface in the switch acquisition unit; Gather contactor signal (containing the forward and reverse contactor of stator, rotor contactor); Gather OPS's gear signal (contain the start and stop button, boarding request, bridge are thrown light on down etc.), and gather other signals (for example: electromotor brake contactor signal, car bumper device signal, rail clamping device signal, the anti-skidding signal of wind resistance).Analogue collection module is gathered motor stator voltage, current signal through the analogue collection module interface, gathers the signals such as weight signal, anemoscope signal, the forward and reverse crashproof signal of cart that hoist.The coded pulse acquisition module is gathered signals such as major-minor lifting motor pulse encoder input signal, big vehicle motor pulse encoder input signal through coded pulse acquisition module interface.
During the crane operation, begin to gather switching value signal, electric current and voltage analog signal and feedback speed signal.The switching value signal of needs collection is inserted the switch value input interface of said unit; Through behind the optical coupling isolation circuit; With signal be input to the LED light circuit control corresponding pilot lamp light the indication this road signals collecting work; Signal is input to the switching value treatment circuit simultaneously, through being input to the switching value input pin of signal processing unit after the processing and amplifying.The analog quantity input interface that the electric current and the voltage analog signal of needs collection inserted said unit; Behind magnetic coupling isolation module; Signal is input to the signal collected monitoring numerical value of demonstration in display panel; The signal that will pass through simultaneously after the magnetic coupling is isolated is sent to analog quantity processing electric current A/D modular converter, is linked into the analog quantity input pin of signal processing unit through the analog quantity treatment circuit.The velocity pulse code device signal of needs collection is inserted the pulse encoder signal input interface of said unit; After the light-coupled isolation processing; Signal is input to the signal collected monitoring numerical value of demonstration in the display panel, will passes through signal after the light-coupled isolation simultaneously and be sent to pulse signal and handle the coded pulse signal input pin that is linked into signal processing unit after holding circuit is handled.Through said signal processing unit programming calculation process; Export signal to level shifting circuit; Input to relay drive circuit through amplifying, make relay produce corresponding actions, connect 30 way switch amount output interface circuits; And then accomplish the signal output function, in the output signal, carry out state and show through the LED lamp.
Signal processing unit adopts the fpga chip of (260MHZ) central processing element, high capacity logical block at a high speed; Use the SOCP Builder structure NIOS nuclear in the software, add SDRAM, LCD according to demand; TIMER; Functional module such as FLASH and PIO is used C/C++ language and NIOS system library file edit parallel communications, man-machine interface; The main functional parts code that the output of signals collecting and logic is handled, use principle figure design and Verilog language Mixed Design are write the peripheral input and output logic of part, and the two comprehensively finally obtains the program of firing of said unit required function in addition.Realize signal collected between the logic control output function.
Fig. 2 is the main station unit structural drawing of the utility model one embodiment, and is as shown in the figure.Main station unit comprises the FPGA central processing element; The communication control module PIC32 single-chip microcomputer that is connected with the FPGA central processing element; The BCD dial-up addressing module that is connected with communication control module PIC32 single-chip microcomputer, the DP master station module that is connected with BCD dial-up addressing module, the DP of the main website communication interface that is connected with the DP master station module; The PC communication interface that is connected with main website DP communication interface, the host computer PC monitoring module that is connected with the PC communication interface.Acquisition module is gathered the status information of A shop traveller, comprises distribution, lead, the status information of pair, cart, dolly, and the status information that collects is sent to the FPGA central processing element carries out analyzing and processing.Information after the FPGA central processing element will be handled is sent to communication control module PIC32 single-chip microcomputer.The BCD dial-up selects module to connect the DP master station module, and the DP master station module is sent to the host computer PC monitoring module through the DP of main website communication interface and PC communication interface with information and exports and show, through the host computer PC monitoring module A shop traveller is controlled simultaneously.Also can control the A shop traveller through OPS.
Fig. 3 is the slave station cellular construction figure of the utility model one embodiment, and is as shown in the figure.The slave station unit comprises the FPGA central processing element; The communication control module PIC32 single-chip microcomputer that is connected with the FPGA central processing element; The BCD dial-up addressing module that is connected with communication control module PIC32 single-chip microcomputer; The DP slave station module that is connected with BCD dial-up addressing module, the DP of the main website communication interface that is connected with DP slave station module.Acquisition module is gathered the status information of B shop traveller, comprises distribution, lead, the status information of pair, cart, dolly, and the status information that collects is sent to the FPGA central processing element carries out analyzing and processing.Information after the FPGA central processing element will be handled is sent to communication control module PIC32 single-chip microcomputer.The BCD dial-up selects module to connect DP slave station module; DP slave station module is connected with main station unit through the DP of main website communication interface; And through main station unit information is sent to the host computer PC monitoring module and exports and show, through the host computer PC monitoring module B shop traveller is controlled simultaneously.Also can control the B shop traveller through OPS.
But Fig. 4 is the topology diagram of the programmable signal acquisition process output unit of the MANET of the utility model.As shown in the figure, can adopt slave station unit (DP slave station) to the driving in each workshop, promptly DP slave station 1-n shown in the figure gathers desired signal.Can increase or reduce the DP slave station according to the situation of user's field demand and monitoring parameter, realize expansion combination fully freely.DP slave station 1-n is connected with main station unit (DP main website) through fieldbus, and the DP main website is connected with host computer.Main website can be installed in OPS, can make like figure user 2 and grasp motor operating state, handled easily.Realize communicating by letter with host computer if desired, show that through group-net communication user 3 can watch the various variablees of being monitored on display, realize real time data monitoring communications function.This device adopts the encapsulation of hierarchy mono-hull, and to realize advantages of small volume, compact conformation is easy to installation and maintenance.
But Fig. 5 is the networking structure synoptic diagram of the programmable signal acquisition process output unit of the MANET of the utility model, and is as shown in the figure.Main station unit comprises unit main website processing module, the output module and the acquisition module that are connected with unit main website processing module.The first slave station unit, N slave station unit, the second slave station unit to the comprise unit slave station processing module, the output module and the acquisition module that are connected with unit slave station processing module.Main station unit is gathered A shop traveller status information, and B shop traveller status information is gathered in the first slave station unit, and C shop traveller status information is gathered in the second slave station unit, and N shop traveller status information is gathered in N slave station unit.The first slave station unit, N slave station unit, the second slave station unit to the are connected with main station unit through the DP bus respectively, and main station unit is connected with host computer.The driving states information in each workshop that host computer output and demonstration main station unit and each slave station unit collect simultaneously can be through the driving situation in each workshop of PC control.The also available driving situation of controlling this workshop through the OPS in each workshop of user.Main station unit adopts RS485 to communicate by letter with the slave station unit, and realization information is transmitted.Adopt RS232 to communicate by letter between main station unit and the host computer, realize that host computer monitors each signal condition in real time.Host computer is installed Anybus Nettool For Profibus monitoring software, can directly realize data monitoring, and is simple to operate.
Be that example is introduced the function that this device is realized field signal acquisition processing output and group-net communication respectively with regard to the main secondary lifting motor rotating speed control that hoists in the crane electric control system below.
The auxiliary battle of main lifting motor forward operation contactor 1KM1 inserted said unit slave station switch value input interface 1; The auxiliary battle of inverted running contactor 1KM2 inserted said unit slave station switch value input interface 2; Main lifting motor speed encoder signal inserts said unit slave station pulse signal input interface A+, A-; The monitoring electric moter voltage inserts said unit slave station analog quantity input interface 1,2 through transformer, and the monitoring current of electric inserts said unit slave station analog quantity input interface 3,4 through mutual inductor; The auxiliary battle of secondary lifting motor forward operation contactor 2KM1 inserted said unit slave station switch value input interface 3; The auxiliary battle of inverted running contactor 2KM2 inserted said unit slave station switch value input interface 4; Secondary lifting motor speed encoder signal inserts said unit slave station pulse signal input interface B+, B-; The monitoring electric moter voltage inserts said unit slave station analog quantity input interface 5,6 through transformer, and the monitoring current of electric inserts said unit slave station analog quantity input interface 7,8 through mutual inductor.Said unit slave station switching value output interface 1 inserts the main operation relay 1K1 coil that hoists; Slave station switching value output interface 2 access pairs in said unit hoist and move relay 2K1 coil.Two close up shop and stop business of relay 1K1 are connected on main forward and reverse contactor coil front end that hoists respectively, and two close up shop and stop business of relay 2K1 are connected on pair forward and reverse contactor coil front end that hoists respectively.
In the crane industry, major-minor hoists and can not move simultaneously, only with the said cellular logic control of this example summary.When providing the main forward that hoists, OPS moves, the then main forward contactor adhesive that hoists, and said unit slave station switch value input interface 1 obtains signal, and corresponding pilot lamp is bright; Detect main lifting motor electric current and voltage simultaneously, on display panel, show its numerical value, but the logic built defence program is if detection voltage or electric current are higher than a certain setting value or the pulse code signal detection speed surpasses a certain setting value; Then exporting switching value 1 connects; It is electric that 1K1 is got, and breaks off main forward and reverse contactor that hoists, and makes motor out of service; If detect normally, then main lifting motor forward operation; Export switching value interface 2 simultaneously, it is electric to make that 2K1 gets, and breaks off pair forward and reverse contactor coil that hoists, and provides the pair operation that hoists even control instruction this moment, and secondary lifting motor can not get electric startup yet, plays major-minor and plays the logic control that can not move simultaneously.In like manner, hoist when operation providing pair, also as the above-mentioned master operational process that hoists, accomplish signals collecting, logic control is handled, output, monitoring function.
Be that example is sketched said unit group-net communication function to adopt a main station unit and a slave station unit only, ipc monitor can be selected for use.The acquired signal instance is still used the above-mentioned functions instance major-minor signals collecting that hoists of giving an example, and this section is described the group-net communication process emphatically.The master station communication module interface is connected with the DP bus with the slave station communication module interface, and the host computer PC data-interface is connected with the DP bus with the master station communication module interface, realizes the data communication physical connection.Because host computer uses Anybus Nettool For Profibus software, directly can see the variable state at each station, realize monitoring in real time.Two-way interactive between the master-salve station is realized in this unit, and main website and host computer PC two-way interactive can not be realized communication between the slave station.
The master-salve station variable signal that acquisition process is exported driving A respectively, the major-minor of the B that drives a vehicle hoists.Collaborative work between two drivings can be according to the concrete operating position of user and special formulation coding, and here only with the driving A master operation that hoists, the B master that drives a vehicle must not hoist and moved.When OPS provides hoist forward operation of driving A master, promptly main station unit switch value input interface 1 obtains signal, transmits through the DP bus protocol; The slave station unit obtains the master of the main website run signal that hoists, according to the logic built programming, and output interface 1 action; The 1K1 coil of feasible driving B gets electric, breaks off the main forward and reverse contactor that hoists of B driving, even at this moment to the main operating instruction that hoists; Driving B master hoists and also can't move, and realizes communication control process.In the whole service process, host computer can through with being connected of master station communication module, through the transmission of DP bus protocol, monitor each driving running status in real time; Like emergency condition, can change parameter through PC, give the main website signal through both-way communication, stop each mechanism's operation, or other action commands.Realize that the running status of a plurality of shop travellers totally monitors, reach distributed centralized management.
Because each station all is furnished with display panel, can check that each variable status fault lasts, therefore can save ipc monitor according to actual conditions, accomplish the self-organized network communication in unit own.
The utility model is described through embodiment, and those skilled in the art know, under the situation of spirit that does not break away from the utility model and scope, can carry out various changes or equivalence replacement to these characteristics and embodiment.In addition, under the instruction of the utility model, can make amendment to these characteristics and embodiment not to break away from the spirit and the scope of the utility model to adapt to concrete situation and material.Therefore, the utility model does not receive the restriction of specific embodiment disclosed herein, and all fall into the protection domain that embodiment in the application's the claim scope belongs to the utility model.
Claims (7)
1. but the programmable signal acquisition process output unit of MANET is characterized in that, comprise the signal acquisition process output unit and select positioning treatment apparatus, wherein,
The signal acquisition process output unit comprises: the switch acquisition unit of gathering the switching value signal; Gather the analog acquisition unit of electric current and voltage analog signal; The coded pulse collecting unit of picking rate feedback signal; The signal processing unit that is connected with switch acquisition unit, analog acquisition unit and coded pulse collecting unit respectively, the signal output unit that is connected with signal processing unit;
The selection positioning treatment apparatus comprises: the communication control module that is connected communication with signal processing unit; The addressing module of the signal acquisition process output unit being carried out the master-salve station fixed-position addressing that is connected with communication control module; The confession signal acquisition process output unit that is connected with the addressing module selects to connect DP master station module and DP slave station module, the DP group-net communication interface that carries out group-net communication that is connected with DP slave station module with the DP master station module.
2. but the programmable signal acquisition process output unit of MANET according to claim 1; It is characterized in that; When the addressing module navigated to the DP master station module with the addressing of signal acquisition process output unit, the DP master station module also was connected with host computer through the PC communication interface.
3. but the programmable signal acquisition process output unit of MANET according to claim 2 is characterized in that, signal processing unit adopts fpga chip.
4. but the programmable signal acquisition process output unit of MANET according to claim 3; It is characterized in that; Also comprise the watchdog circuit that the signal processing unit running status is monitored in real time; And/or when power-down conditions occurring, carrying out the power down storage unit of data storage, said watchdog circuit and/or power down storage unit are connected with signal processing unit.
5. but the programmable signal acquisition process output unit of MANET according to claim 4; It is characterized in that; The switch acquisition unit comprises: 75 way switch amount acquisition module interfaces; With the light-coupled isolation module that 75 way switch amount acquisition module interfaces are connected, the switching value treatment circuit that is connected with the light-coupled isolation module; The analog acquisition unit comprises: 10 road analogue collection module interfaces, and the magnetic coupling isolation module that is connected with 10 road analogue collection module interfaces, the analog quantity that is connected with magnetic coupling isolation module is handled the A/D modular converter; The coded pulse collecting unit comprises: 6 tunnel coded pulse acquisition module interfaces, with the light-coupled isolation module that 6 tunnel coded pulse acquisition module interfaces are connected, the pulse signal that is connected with the light-coupled isolation module is handled holding circuit.
6. but the programmable signal acquisition process output unit of MANET according to claim 5; It is characterized in that; Also comprise with the switch acquisition unit and being connected; When the switching value signal of being gathered is sent to signal processing unit, the switching value of being gathered is carried out the display unit that state shows through the LED lamp; Be connected with the analog acquisition unit, when the analog signals of being gathered is sent to signal processing unit, the display unit that the electric current of being gathered and voltage analog signal are shown through display interface; Be connected with the coded pulse collecting unit, the speed pulse signal gathered is handled be sent to signal processing unit in, the display unit that the speed pulse signal of being gathered is shown through display interface.
7. but the programmable signal acquisition process output unit of MANET according to claim 6; It is characterized in that; Signal output unit comprises level shifting circuit, relay drive circuit that is connected with level shifting circuit and the 30 way switch amount output circuits that are connected with relay drive circuit.
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| CN 201220249886 CN202600466U (en) | 2012-05-30 | 2012-05-30 | Self-networking and programmable signal collecting, processing and output device |
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| CN 201220249886 CN202600466U (en) | 2012-05-30 | 2012-05-30 | Self-networking and programmable signal collecting, processing and output device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681456A (en) * | 2012-05-30 | 2012-09-19 | 大连美恒时代科技有限公司 | Device and method capable of self-combining network and programming and used for collecting, processing and outputting signals |
| CN106681185A (en) * | 2016-11-24 | 2017-05-17 | 河钢股份有限公司承德分公司 | Data acquisition and access device |
-
2012
- 2012-05-30 CN CN 201220249886 patent/CN202600466U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681456A (en) * | 2012-05-30 | 2012-09-19 | 大连美恒时代科技有限公司 | Device and method capable of self-combining network and programming and used for collecting, processing and outputting signals |
| CN106681185A (en) * | 2016-11-24 | 2017-05-17 | 河钢股份有限公司承德分公司 | Data acquisition and access device |
| CN106681185B (en) * | 2016-11-24 | 2023-07-25 | 河钢股份有限公司承德分公司 | Data acquisition access device |
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