CN105307196A - Wireless public network communication testing system and method for acquisition terminal - Google Patents
Wireless public network communication testing system and method for acquisition terminal Download PDFInfo
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- CN105307196A CN105307196A CN201510624538.4A CN201510624538A CN105307196A CN 105307196 A CN105307196 A CN 105307196A CN 201510624538 A CN201510624538 A CN 201510624538A CN 105307196 A CN105307196 A CN 105307196A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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Abstract
The invention relates to a wireless public network communication testing system and method for an acquisition terminal. An electromagnetic shielding darkroom is arranged in a testing box; a running track is arranged on a lower part in the electromagnetic shielding darkroom; a tray runs on the running track through a stepping motor; a tray jack is top-mounted on a lower bottom of the tray; the tray jack is driven by a docking motor; an acquisition terminal under test can be placed into the tray; a comprehensive tester and a signal interference device are fixedly arranged above the electromagnetic shielding darkroom; a coupling antenna is fixedly arranged at a top end of the electromagnetic shielding darkroom below the comprehensive tester; an alarm lamp and a display are arranged on the testing box; and an electrical unit, a PLC (Programmable Logic Controller) control unit, a power supply system and a control unit are also arranged in the testing box. The system consists of the electrical unit, a mechanical structural unit, a power supply system, a control unit, a docking unit, a jacking positioning unit and an automatic conveying unit. Through adoption of the wireless public network communication testing system and method, seamless coupling of an automatic assembly line is realized, and a precedent of realization of whole performance detection of a wireless public network communication module on the whole acquisition terminal is set.
Description
Technical field
The invention belongs to power domain, relate to the test that in intelligent power grid technology, acquisition terminal communicates to wireless public network, especially a kind of acquisition terminal wireless public network communication test system and method.
Background technology
The desirability that intelligent grid develops as information-intensive society city intelligentization is that the important energy source of intelligent city's development ensures basis and forerunner, the important content that Ye Shi intelligent city builds.Acquisition terminal wireless public network communication quality detects and only carries out functional detection in uplink communication unit producer at present, acquisition terminal supplier of Guo Wang company does not almost carry out wireless public network communication test to acquisition terminal before dispatching from the factory, network metering center, Guo Wang each province is complete, the comprehensive embodiment of neither one also, particularly detects etc. on complete machine for the applications of wireless technology of acquisition terminal complete detection and simulation practical communication environment.
Understood by industry, at present domestic there is no a set of checkout gear realize to the communication of acquisition terminal wireless public network realize automatic intelligent detect, traditional acquisition terminal calibrating streamline does not relate to the detection of wireless public network communication yet, particularly cannot accomplish to simulate actual application scenarios to collect the data of radiofrequency signal, analyze and judge whether to meet state's net 1374.3-2013 communication unit technology specification and 1379.4-2013 communication unit inspection technology specification, thus can not the wireless public network communication quality installing front acquisition terminal be assessed, avoid risk from source.How receiving link in full inspection, realizing the test of acquisition terminal wireless public network communication automation system is a problem demanding prompt solution.
Retrieved by patent document, find following pertinent literature:
1, a kind of automatic checkout system of intelligent grid data collecting terminal and method (CN102540133A), this system comprises: background data base, industrial computer, detection frock; Back-end data library storage detects configuration parameter and test result information; Industrial computer receives the request detected measured terminal detecting frock and send, and reads detect configuration parameter from background data base, sends detection message to detection frock; Receive and obtain test result information stored in background data base according to the testing result that detects frock passback and be sent to detection frock; Detect frock and send to industrial computer the request of detection, receive detection message; If detection message needs to detect frock process, then process detection message, passback testing result; If detection message needs measured terminal to test oneself process, then by detection message repeating to measured terminal, testing result is returned to industrial computer by detecting frock by measured terminal; Receive test result information and show.
2, a kind of acquiring electric energy information terminal filed overall checkout equipment (CN202794497U), it contains processor, described processor is respectively arranged with RS458 detection interface, wireless module detects interface, power line carrier module detects interface, analog input and output interface is connected with On-off signal output interface, further, described processor is also connected with red transceiver, power supply, wireless communication module, Ethernet and display respectively.Described power supply is the duplicate supply that external mains-supplied and powered battery are formed.Described wireless communication module is wireless public network/GPS module.
3, a kind of intelligent grid acquisition terminal function detecting system (CN202840692U), comprise single machine unit and the one 485 coupled interface unit, 2 485 interface unit, 3 485 interface unit, 232 interface units, network card chip and display unit, one 485 interface unit is connected with host computer through 485 turn of 232 converting unit, network card chip is connected with host computer through router, second, one PWM output of the 3 485 interface unit and 232 interface units and single machine unit, 2nd PWM output, remote signalling output, door node signal output, pulse output end and active, passive switching signal output is connected with intelligent grid acquisition terminal to be checked respectively, the meritorious pulse of intelligent grid acquisition terminal to be checked and standard scale, idle pulse is connected with single machine unit respectively with output terminal of clock pulse.
Contrasted by technical characteristic, above-mentioned patent document is not identical with the present patent application in technological architecture.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of the acquisition terminal wireless public network communication test system and the method that realize the test of acquisition terminal wireless public network communication automation system are provided.
The object of the invention is to be achieved through the following technical solutions:
A kind of acquisition terminal wireless public network communication test system, comprise test casing, streamline, test casing is arranged on the side of streamline, tested acquisition terminal carried by streamline, it is characterized in that: install electromagnetic shielding dark room in described test casing, in electromagnetic shielding dark room, bottom is provided with orbit, orbit is run by stepping motor and has pallet, this pallet is gone to the bottom and is top-loaded with pallet jacking device, and this pallet jacking device is driven by motor of plugging into, and can put tested acquisition terminal in pallet; Above electromagnetic shielding dark room, be fixed with comprehensive tester and signal disturbing device, the electromagnetic shielding dark room top below comprehensive tester is fixed with coupled antenna; Test casing is provided with alarm lamp and display, in test casing, electric unit, PLC control unit, electric power system and control unit is also installed.
And, described electromagnetic shielding dark room is provided with shield door, the inboard of shield door is fixed with plane wave absorbing thin film plate, is all fixed with pyramid inhales ripple plate in top board, sidewall and access panel inboard, and this pyramid inhales wave head inhaled by the ripple plate effective electromagnetic wave absorption in tip by its uniform pyramid-shaped of making.
And described countermeasure set is communicated with the coupled antenna in shielded box by radio frequency line and plug, this countermeasure set is connected with control unit by gpib bus.
And, the structure of described coupled antenna is, grounding disc is shaped with the cross coupling slot of a cross square crossing, a radiation patch is being fixedly mounted with to should plane cover the grounding disc of cross coupling slot, this radiation patch adopts circular patch, is fixedly mounted with an air dielectric layer between radiation patch and grounding disc; Be fixedly mounted with a FR4 feed substrate at grounding disc bottom surface, the axis position along radiation patch below feed substrate is fixedly mounted with a microstrip feed line.
And the two-arm of the cross coupling slot that described grounding disc is outputed is equal, and microstrip feed line and the angle of eccentricity of the two-arm of cross coupling slot are identical 45 degree, its open end is 7 millimeters to the distance of central point.
A kind of acquisition terminal wireless public network communication test method, step is:
(1) power on preparation: power on to acquisition terminal wireless public network intelligent checking system, and now, industrial PC, Agilent 8960, Agilent signal source E4438C and station PLC can complete and power on and start shooting; When industrial PC has been started shooting, systems axiol-ogy software will start automatically, after having started, the initial setting up to Agilent 8960, Agilent signal source E4438C can be completed successively, and open testing software and test station plc communication port, test station and radio-frequency (RF) switch communication port, testing software and extraneous PLC server communication port successively, and then automatically complete that test macro powers on, initial setting up and a series of preparation of open communication port;
(2) acquisition terminal enters to detect station PLC action: when acquisition terminal controls the jacking transferring before logistics to acquisition terminal wireless public network Intelligent Measurement station by PLC, PLC sends to test station the request of putting in storage, time after test station PLC receives the request of putting in storage and in storehouse without sense terminals, test station PLC is to streamline PLC transmission permission warehouse entry instruction; Now, detect the station PLC pallet arrival horizontal checkout position that completes that stepping belt has rotated forward pallet warehouse entry, stepping motor has advanced successively, pallet jacking completes that pallet arrives vertical test position, clamping of plugging into completes binding post and puts in place;
(3) wireless public network detects: the systems axiol-ogy software of main control computer is detected PLC state in detection station by control line always, after detection station PLC completes above-mentioned action, can send acquisition terminal to bit instruction to inspection software; Now, testing software controls to detect station PLC by control line and powers on to left side terminal in shielded box, and the coupling plate on the left of switching to that simultaneously opened the light by radio frequency completes the preparation before to the test of left side acquisition terminal; Then, as simulation main website and acquisition terminal, Agilent 8960 is carried out that foundation is conversed, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, is terminated call nine test items and test;
(4), after completing left side acquisition terminal test, testing software controls to detect station PLC by control line and disconnects left side terminal supplying power in shielded box and power on to right side termination, is opened the light by radio frequency simultaneously and switches to right side coupling plate; Then, control Agilent 8960 to simulate main website and complete to set up with right side termination and converse, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, terminate the test of call nine test items; After having tested, test result can be kept at local main control computer and be sent to extraneous PLC server by testing software, and announcement server delivers from godown;
(5) acquisition terminal goes out to detect station PLC action: after completing in pallet left and right acquisition terminal respectively and detecting, and testing software to be sent request to detection station PLC by control line and deliver from godown; Now, detect station PLC complete respectively plug into loosened that binding post is withdrawn, pallet has declined pallet arrival vertically gone out bin location, stepping motor retreated that pallet arrival level goes out bin location, stepping belt has reversed, and pallet delivers from godown.
Advantage of the present invention and good effect are:
1, native system reaches Aulomatizeted Detect to testing equipment by the integrated of equipment and software application, and the multiple work of actual field can be simulated, the property indices of testing equipment more accurately, achieve the system test of wireless public network communication module in acquisition terminal, also can test the interference free performance of acquisition terminal wireless public network communication module, and realize the assessment of acquisition terminal wireless public network communication module communication quality simultaneously.
2, native system is made up of electric unit, mechanical structure unit, electric power system and control unit, unit of plugging into, jacking positioning unit, automatic delivery unit, achieve with automatic assembly line without slot coupling, started the precedent that wireless public network communication module realizes full Performance Detection on acquisition terminal complete machine.
3, the shielded anechoic chamber of native system can realize suppressing wireless public network radio signal (operating frequency and transmitting power etc.), provides relatively pure radio dark room conditions, reduces the interference of extraneous radio wave to test environment; The all FPDP of electromagnetic shielding box and power supply signal all adopt electromagnetic interface filter, shield door adopts stepping motor pressing mode, ensure the performance of shielding, adopt RFCD RF coupling device to be used for importing into and carrying out performance test of the signal of acquisition terminal wireless public network communication simultaneously, be applicable to the wireless signal of 300MHz-3GHz operating frequency range, the absorbing material of its interior edge taper is greater than 20dB, can to the suppression of wireless signal realization more than 70dB; Main control software, streamline and checkout equipment PLC are by the operating mode pattern to acquisition terminal wireless public network communication module, realize the transfer of Long-distance Control acquisition terminal, location, jacking, plug into, function such as ON/OFF shielding chamber door etc., the full-automation of acquisition terminal in electromagnetic shielding box.
4, the coupled antenna of native system have employed the feeding classification of evolved password to realize wide band characteristic, compared to coaxial line or feed microstrip line, aperture-coupled has some significant advantages: feed place is without the need to solder joint, and the adjustable parameter for impedance matching is many; The substrate that feed structure and radiation patch adopt is separated from one another, and different dielectric materials and dielectric thickness can be selected independently to meet the needs of feed structure to radiation patch; By the adjustment coupling length in gap or the length of microstrip feed line open end, more easily impedance matching etc. can be reached with radiation patch than other feeding classifications, this antenna is exactly the feature utilizing the substrate of its feed structure and radiation patch separated from one another, adopt lower, that thickness the is larger radiation substrate of dielectric constant to reduce the Q value of antenna, thus reach the object of Bandwidth.
Accompanying drawing explanation
Fig. 1 is the perspective view of present system;
Fig. 2 is the structural front view of present system;
Fig. 3 is the left side view of Fig. 2;
Fig. 4 is the rearview of Fig. 2;
Fig. 5 is the cross-sectional view of the shielded anechoic chamber of present system;
Fig. 6 is the perspective view of the wallboard installation absorbing material of Fig. 5;
Fig. 7 is the structural front view of the coupled antenna of present system;
Fig. 8 is that the A-A of Fig. 7 is to cross-sectional view;
Fig. 9 is the structural representation removing radiation patch and dielectric layer of Fig. 7;
Figure 10 is the rearview of Fig. 7;
Figure 11 is method of testing flow chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are further described; The present embodiment is descriptive, is not determinate, can not limit protection scope of the present invention thus.
A kind of acquisition terminal wireless public network communication test system, comprise test casing 3, streamline 1, test casing is arranged on the side of streamline, tested acquisition terminal 6 carried by streamline, and install electromagnetic shielding dark room 11 in test casing, in electromagnetic shielding dark room, bottom is provided with orbit 10, orbit is run by stepping motor 9 and has pallet 12, this pallet is gone to the bottom and is top-loaded with pallet jacking device 13, and this pallet jacking device is driven by motor 7 of plugging into, and can put tested acquisition terminal in pallet; Above electromagnetic shielding dark room, be fixed with comprehensive tester 4 and signal disturbing device 15, the electromagnetic shielding dark room top below comprehensive tester is fixed with coupled antenna 5; Test casing is provided with alarm lamp 2 and display 8, in test casing, electric unit, PLC control unit, electric power system and control unit is also installed.
Streamline connects the orbit of automatic delivery unit, the orbit of this automatic delivery unit mainly carries out conveying automatically to measured terminal and exports, tested acquisition terminal is transported to surveyed area in electromagnetic shielding dark room, to be detected complete after then measured terminal is transported to next appointed area.The tested acquisition terminal entering electromagnetic shielding dark room adopts pallet conveying to put in place, the jacking device of jacking unit is by pallet jack-up, accurately located tested acquisition terminal by the motor of plugging into of unit of plugging into, strengthen the reliability and stability of connecting device, location should accurately, rapidly, behind location, electric unit voltage terminal is adopted to tested acquisition terminal, current terminal, auxiliary terminal (verification pulse, multifunctional pulse, communication port) crimping of reliably plugging into, shown in the present embodiment accompanying drawing be two and detect pallet, two tested acquisition terminals can be detected simultaneously, single phase power supply mode is adopted to power to tested acquisition terminal, two acquisition terminal binding posts are plugged into simultaneously, to power on interfering with each other wireless public network communication check to evade two acquisition terminals simultaneously, PLC control system to each acquisition terminal to carry out powering on and power-off according to testing requirement by relay respectively, the upper contracting of all acquisition terminal terminals pressurizeds, and wiring Compression Stability, evenly, reliable, be connected with acquisition terminal by electric unit and power, powered to acquisition terminal by electric power system and control unit afterwards, whole process is controlled by PLC control unit.Enter after electromagnetic shielding dark room test body until measured terminal, close electromagnetic shielding dark room chamber door, to isolate external environmental interference.Power supply unit provides power supply guarantee mainly to measured terminal and testing equipment.After test completes, electromagnetic shielding dark room chamber door is opened, and binding post and measured terminal unclamp, and pallet puts down automatically, is exported by measured terminal, finally measured terminal is transported to next test zone.
In the present invention, the structure of described electromagnetic shielding dark room is see Fig. 5,6, shield door 14 is installed, base plate in the casing of darkroom is run by orbit and has structure for conveying 18, on the conveyor jacking device is installed, jacking device is provided with unit 16 of plugging into, correspondence plug into unit top board in be fixed with RFCD coupled antenna.The inboard of shield door is fixed with plane wave absorbing thin film plate, and this wave absorbing thin film plate can suppress the surface electromagnetic waves such as row ripple, Creeping Wave and guided wave effectively; All be fixed with pyramid in top board, sidewall and access panel inboard and inhale ripple plate 17, this pyramid inhales wave head 19 inhaled by the ripple plate effective electromagnetic wave absorption in tip by its uniform pyramid made.
In the present embodiment accompanying drawing, it is triangular pyramid or rectangular pyramid that described pyramid inhales ripple plate, for ripple plate inhaled by rectangular pyramid in the present embodiment accompanying drawing.
In the present invention, described countermeasure set is communicated with the coupled antenna in shielded box by radio frequency line and plug, this countermeasure set is connected with control unit by gpib bus, the structure of described coupled antenna is see Fig. 7,8,9,10, grounding disc 20 is shaped with the cross coupling slot 24 of a cross square crossing, a radiation patch 22 is being fixedly mounted with to should plane cover the grounding disc of cross coupling slot, this radiation patch adopts circular patch, its radius R=12.8 millimeter, are fixedly mounted with the air dielectric layer 21 that a thickness is 2 millimeters between radiation patch and grounding disc; The FR4 feed substrate 25 that a dielectric constant is 4.4, thickness is 1mm is fixedly mounted with at grounding disc bottom surface, a microstrip feed line 23 is fixedly mounted with along the axis position of radiation patch below feed substrate, the width of this microstrip feed line is 2mm, to ensure that the input impedance of feeder line is 50 ohms.In practical application, consider the aspects such as the firmness of antenna structure and impact resistance, air dielectric layer can be considered to adopt the materials such as the close foam of dielectric constant to fill; The two-arm of the cross coupling slot that grounding disc is outputed is equal, and microstrip feed line and the angle of eccentricity of the two-arm of cross coupling slot are identical 45 degree, and its open end is 7 millimeters to the distance of central point, to ensure that the input impedance of microstrip antenna obtains good coupling.
Operation principle of the present invention is:
In acquisition terminal wireless public network communication automation system test process, when acquisition terminal module arrives the station of wireless public network communication test, after streamline PLC sends warehouse entry request, testing equipment is under the control action of its PLC, progressively complete that motor enters, line stretcher enters, fixed station liter, shield door close, terminal enters action, successfully enter electromagnetic shielding box to realize acquisition terminal, then realized the measurement of acquisition terminal wireless public network communication performance parameter by software control.After measurement completes, software sends test settling signal to testing equipment PLC, send to streamline PLC delivering from godown request by testing equipment PLC again, simultaneously testing equipment PLC completes terminal with this and moves back, shields that chamber door is opened, line stretcher moves back, motor moves back and operates to realize the object that acquisition terminal goes out electromagnetic shielding box.
A kind of acquisition terminal wireless public network communication test method, as shown in figure 11, step is its test flow chart:
(1) power on preparation: power on to acquisition terminal wireless public network intelligent checking system, and now, industrial PC, Agilent 8960, Agilent signal source E4438C and station PLC can complete and power on and start shooting; When industrial PC has been started shooting, systems axiol-ogy software will start automatically, after having started, the initial setting up to Agilent 8960, Agilent signal source E4438C can be completed successively, and open testing software and test station plc communication port, test station and radio-frequency (RF) switch communication port, testing software and extraneous PLC server communication port successively, and then automatically complete that test macro powers on, initial setting up and a series of preparation of open communication port;
(2) acquisition terminal enters to detect station PLC action: when acquisition terminal controls the jacking transferring before logistics to acquisition terminal wireless public network Intelligent Measurement station by PLC, PLC sends to test station the request of putting in storage, time after test station PLC receives the request of putting in storage and in storehouse without sense terminals, test station PLC is to streamline PLC transmission permission warehouse entry instruction; Now, detect the station PLC pallet arrival horizontal checkout position that completes that stepping belt has rotated forward pallet warehouse entry, stepping motor has advanced successively, pallet jacking completes that pallet arrives vertical test position, clamping of plugging into completes binding post and puts in place;
(3) wireless public network detects: the systems axiol-ogy software of main control computer is detected PLC state in detection station by control line always, after detection station PLC completes above-mentioned action, can send acquisition terminal to bit instruction to inspection software; Now, testing software controls to detect station PLC by control line and powers on to left side terminal in shielded box, and the coupling plate on the left of switching to that simultaneously opened the light by radio frequency completes the preparation before to the test of left side acquisition terminal; Then, as simulation main website and acquisition terminal, Agilent 8960 is carried out that foundation is conversed, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, is terminated call nine test items and test;
(4), after completing left side acquisition terminal test, testing software controls to detect station PLC by control line and disconnects left side terminal supplying power in shielded box and power on to right side termination, is opened the light by radio frequency simultaneously and switches to right side coupling plate; Then, control Agilent 8960 to simulate main website and complete to set up with right side termination and converse, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, terminate the test of call nine test items; After having tested, test result can be kept at local main control computer and be sent to extraneous PLC server by testing software, and announcement server delivers from godown;
(5) acquisition terminal goes out to detect station PLC action: after completing in pallet left and right acquisition terminal respectively and detecting, and testing software to be sent request to detection station PLC by control line and deliver from godown.Now, detect station PLC complete respectively plug into loosened that binding post is withdrawn, pallet has declined pallet arrival vertically gone out bin location, stepping motor retreated that pallet arrival level goes out bin location, stepping belt has reversed, and pallet delivers from godown.
It is as shown in the table for every test event of the present invention and index
Claims (6)
1. an acquisition terminal wireless public network communication test system, comprise test casing, streamline, test casing is arranged on the side of streamline, tested acquisition terminal carried by streamline, it is characterized in that: in described test casing, electromagnetic shielding dark room is installed, in electromagnetic shielding dark room, bottom is provided with orbit, orbit is run by stepping motor and has pallet, this pallet is gone to the bottom and is top-loaded with pallet jacking device, this pallet jacking device is driven by motor of plugging into, and can put tested acquisition terminal in pallet; Above electromagnetic shielding dark room, be fixed with comprehensive tester and signal disturbing device, the electromagnetic shielding dark room top below comprehensive tester is fixed with coupled antenna; Test casing is provided with alarm lamp and display, in test casing, electric unit, PLC control unit, electric power system and control unit is also installed.
2. acquisition terminal wireless public network communication test system according to claim 1, it is characterized in that: described electromagnetic shielding dark room is provided with shield door, the inboard of shield door is fixed with plane wave absorbing thin film plate, all be fixed with pyramid in top board, sidewall and access panel inboard and inhale ripple plate, this pyramid inhales wave head inhaled by the ripple plate effective electromagnetic wave absorption in tip by its uniform pyramid-shaped of making.
3. acquisition terminal wireless public network communication test system according to claim 1, is characterized in that: described countermeasure set is communicated with the coupled antenna in shielded box by radio frequency line and plug, this countermeasure set is connected with control unit by gpib bus.
4. acquisition terminal wireless public network communication test system according to claim 3, it is characterized in that: the structure of described coupled antenna is, grounding disc is shaped with the cross coupling slot of a cross square crossing, a radiation patch is being fixedly mounted with to should plane cover the grounding disc of cross coupling slot, this radiation patch adopts circular patch, is fixedly mounted with an air dielectric layer between radiation patch and grounding disc; Be fixedly mounted with a FR4 feed substrate at grounding disc bottom surface, the axis position along radiation patch below feed substrate is fixedly mounted with a microstrip feed line.
5. acquisition terminal GPRS communication test system according to claim 4, it is characterized in that: the two-arm of the cross coupling slot that described grounding disc is outputed is equal, microstrip feed line and the angle of eccentricity of the two-arm of cross coupling slot are identical 45 degree, and its open end is 7 millimeters to the distance of central point.
6. an acquisition terminal wireless public network communication test method, is characterized in that: step is:
(1) power on preparation: power on to acquisition terminal wireless public network intelligent checking system, and now, industrial PC, Agilent 8960, Agilent signal source E4438C and station PLC can complete and power on and start shooting; When industrial PC has been started shooting, systems axiol-ogy software will start automatically, after having started, the initial setting up to Agilent 8960, Agilent signal source E4438C can be completed successively, and open testing software and test station plc communication port, test station and radio-frequency (RF) switch communication port, testing software and extraneous PLC server communication port successively, and then automatically complete that test macro powers on, initial setting up and a series of preparation of open communication port;
(2) acquisition terminal enters to detect station PLC action: when acquisition terminal controls the jacking transferring before logistics to acquisition terminal wireless public network Intelligent Measurement station by PLC, PLC sends to test station the request of putting in storage, time after test station PLC receives the request of putting in storage and in storehouse without sense terminals, test station PLC is to streamline PLC transmission permission warehouse entry instruction; Now, detect the station PLC pallet arrival horizontal checkout position that completes that stepping belt has rotated forward pallet warehouse entry, stepping motor has advanced successively, pallet jacking completes that pallet arrives vertical test position, clamping of plugging into completes binding post and puts in place;
(3) wireless public network detects: the systems axiol-ogy software of main control computer is detected PLC state in detection station by control line always, after detection station PLC completes above-mentioned action, can send acquisition terminal to bit instruction to inspection software; Now, testing software controls to detect station PLC by control line and powers on to left side terminal in shielded box, and the coupling plate on the left of switching to that simultaneously opened the light by radio frequency completes the preparation before to the test of left side acquisition terminal; Then, as simulation main website and acquisition terminal, Agilent 8960 is carried out that foundation is conversed, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, is terminated call nine test items and test;
(4), after completing left side acquisition terminal test, testing software controls to detect station PLC by control line and disconnects left side terminal supplying power in shielded box and power on to right side termination, is opened the light by radio frequency simultaneously and switches to right side coupling plate; Then, control Agilent 8960 to simulate main website and complete to set up with right side termination and converse, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, terminate the test of call nine test items; After having tested, test result can be kept at local main control computer and be sent to extraneous PLC server by testing software, and announcement server delivers from godown;
(5) acquisition terminal goes out to detect station PLC action: after completing in pallet left and right acquisition terminal respectively and detecting, and testing software to be sent request to detection station PLC by control line and deliver from godown; Now, detect station PLC complete respectively plug into loosened that binding post is withdrawn, pallet has declined pallet arrival vertically gone out bin location, stepping motor retreated that pallet arrival level goes out bin location, stepping belt has reversed, and pallet delivers from godown.
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