CN103760894B - Digital control system full-automatic test system - Google Patents
Digital control system full-automatic test system Download PDFInfo
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- CN103760894B CN103760894B CN201410036120.7A CN201410036120A CN103760894B CN 103760894 B CN103760894 B CN 103760894B CN 201410036120 A CN201410036120 A CN 201410036120A CN 103760894 B CN103760894 B CN 103760894B
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Abstract
The present invention relates to digital control system, a kind of digital control system full-automatic test system is disclosed, comprise testing circuit board and the tested device being connected with testing circuit board, testing circuit board is provided with universal input/output interface test circuit, servo-driver and spindle encoder interface test circuitry and servo-driver and hand-operated encoder interface test circuitry. The present invention no longer needs special tester to carry out test operation, test process full-automation, not only can test digital control system all functions, for example, realize the hardware capability test to digital control system input/output interface, servo-driver interface, spindle encoder interface and hand-operated encoder interface; Coordinate after the special test software moving in digital control system, can also automatically show test results, most probable fault rootstock is analyzed and provided to abnormal function.
Description
Technical field
The present invention relates to digital control system, related in particular to a kind of digital control system full-automatic test system.
Background technology
Digital control system has very high requirement to the reliability and stability of product, existing numerical control products testMethod is all based on automanual test platform, use special testing equipment, and this testing equipment makesUsed time, also needs to coordinate tester's manual operations, realizes the test to digital control system. The survey of the methodExamination coverage rate and accuracy rate still rely on tester's quality and qualification, cause its testing efficiency lower.Therefore need to research and develop a kind of use and do not need that people participates in, full-automatic testing equipment completely, improve surveyExamination efficiency, test coverage and accuracy rate etc.
Summary of the invention
The object of the present invention is to provide a kind of use not need that people participates in, full-automatic numerical control completelySystem full-automatic test system.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
Digital control system full-automatic test system, comprises testing circuit board and the tested dress being connected with testing circuit boardPut, testing circuit board is provided with universal input/output interface test circuit, servo-driver and spindle encoderInterface test circuitry and servo-driver and hand-operated encoder interface test circuitry;
Universal input/output interface test circuit for test tested device general input/output port function whether justOften;
Servo-driver and spindle encoder interface test circuitry for test tested device servo-driver interface andWhether the function of spindle encoder is normal;
Servo-driver and hand-operated encoder interface test circuitry for test tested device servo-driver interface andWhether the function of hand-operated encoder is normal;
Universal input/output interface test circuit comprises universal input interface and connects together with universal input interface directGeneral output interface, servo-driver and spindle encoder interface test circuitry comprise first of servo-driverPulse output interface and spindle encoder together with the first pulse output interface of servo-driver is direct-connectedPulse input interface, servo-driver and hand-operated encoder interface test circuitry comprise second of servo-driverPulse output interface and hand-operated encoder together with the second pulse output interface of servo-driver is direct-connectedPulse input interface.
As preferably, tested device back is provided with and universal input interface, general output interface, servo-driveThe first pulse output interface of device, the second pulse output interface of servo-driver, the pulse of spindle encoderThe pulse input interface interface one to one of input interface and hand-operated encoder, the interface in tested device is equalBy connection cable and interface corresponding being connected one by one on testing circuit board.
As preferably, universal input interface and general output interface have 25 pins respectively, and universal input connectsThe pin of mouthful first row from top to bottom respectively label be 1 to 13, universal input interface second row pin from upper toLower label is respectively 14 to 25, the pin of general output interface first row from top to bottom respectively label be 14 to25, general output interface second row pin from top to bottom respectively label be 1 to 13, universal input interface and logicalWith two pin, two pin, two pipes that label is 3 that label is 2 that label is 14 on output interfacePin, two pin, two pin, two pins, two that label is 5 that label is 17 that label is 16Individual label is 6 pin, two pin, two pin, two labels that label is 20 that label is 19Be that 8 pin, two labels pin that is 9, two labels pin that is 22, two labels are 23The pin that pin that pin that pin, two labels are 11, two labels are 12, two labels are 25 is equalIn parallel between two, the rear power supply that is 24V with voltage again with pull-up resistor series connection in parallel is connected.
As preferably, the pulse input interface of spindle encoder has 9 pin, the pulse of spindle encoderThe pin of input interface first row from top to bottom respectively label be 1 to 5, the pulse input interface of spindle encoderSecond row pin from top to bottom respectively label be 6 to 9; The first pulse output interface of servo-driver is total15 pin, the pin of the first pulse output interface first row of servo-driver from top to bottom respectively label be9 to 15, the first pulse output interface second row pin of servo-driver from top to bottom respectively label be 1 to 8;The pin that wherein the first pulse output interface label of servo-driver is 6 and the pulse of spindle encoder inputInterface label is that 2 pin connects, the pin that the first pulse output interface label of servo-driver is 14 withThe pin that the pulse input interface label of spindle encoder is 6 connects, the first pulse output of servo-driverInterface label is that the pin that 15 pin is 7 with the pulse input interface label of spindle encoder is connected, servoThe pin that the first pulse output interface label of driver is 8 and the pulse input interface label of spindle encoderBe that 3 pin connects.
As preferably, the pin that the first pulse output interface label of servo-driver is 9 and label are 11The pin that is 5 with label again after being connected with pull-up resistor after pin parallel connection is connected, the pin that label is 3 and markNumber be that 11 pin is connected.
As preferably, the second pulse output interface of servo-driver has 15 pin, servo-driverThe pin of the second pulse output interface first row from top to bottom respectively label be 9 to 15, of servo-driverTwo pulse output interface second row pins from top to bottom respectively label be 1 to 8; The pulse input of hand-operated encoderInterface has 9 pin, and the pin of the pulse input interface first row of hand-operated encoder is marked respectively from top to bottomNumber be 1 to 5, the pulse input interface second row pin of hand-operated encoder from top to bottom respectively label be 6 to 9;The pin that the second pulse output interface label of servo-driver is 6 and the pulse input interface of hand-operated encoderLabel is 2 pin connection, the pin that the second pulse output interface label of servo-driver is 14 and handThe pin that the pulse input interface label of encoder is 7 connects, the second pulse output interface of servo-driverLabel is that the pin that 15 pin is 3 with the pulse input interface label of hand-operated encoder is connected, servo-driveThe pin that the second pulse output interface label of device is 8 and the pulse input interface label of hand-operated encoder are 8Pin connect.
As preferably, the pin that the second pulse output interface label of servo-driver is 9 and label are 11The pin that is 5 with label again after being connected with pull-up resistor after pin parallel connection is connected, the pin that label is 3 and markNumber be that 11 pin is connected.
Interface on testing circuit board of the present invention is all together direct-connected between two, for every a pair of together direct-connectedInterface, the electrical characteristic compatibility of its input and output, therefore in the time of a signal of digital control system output,Testing circuit board can receive this signal, by coordinating corresponding testing software, can test out correspondingOutput, input signal to whether working properly, if the fault of existence, so testing software can occur thereforeThe signal of barrier, to recording and showing, helps maintenance personal to carry out accident analysis; Use this test dress automaticallyPostpone, no longer needs special tester to carry out test operation, and test process full-automation, not only canDigital control system all functions are tested, for example, realize digital control system input/output interface, servo-driveThe hardware capability test of device interface, spindle encoder interface and hand-operated encoder interface; Coordinate in digital control systemAfter the special test software of operation, can also automatically show test results, abnormal function is analyzedAnd provide most probable fault rootstock.
Brief description of the drawings
Fig. 1 is structure chart of the present invention.
Fig. 2 is the circuit diagram of the first universal input interface together with direct-connected with the first general output interface.
Fig. 3 is the circuit diagram of the second universal input interface together with direct-connected with the second general output interface.
Fig. 4 is that the pulse input interface of spindle encoder and the first pulse output interface of servo-driver are direct-connectedCircuit diagram together.
Fig. 5 is that the second pulse output interface of servo-driver and the pulse input interface of hand-operated encoder are direct-connectedCircuit diagram together.
The toponym that in accompanying drawing, each number designation refers to is as follows: wherein 1-1-testing circuit board, 1-2-The first universal input interface, the general output interface of 1-3-the first, 1-4-the second universal input interface, 1-5-The first pulse output interface of the second general output interface, 1-6-servo-driver, 1-7-spindle encoderThe second pulse output interface, the 1-9-hand-operated encoder of pulse input interface, 1-8-servo-driverPulse input interface, 1-10-tested device, 1-11-connection cable.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Embodiment 1
Digital control system full-automatic test system, as shown in Figure 1, comprises testing circuit board 1-1 and electric with testThe tested device 1-10 that road plate 1-1 connects, testing circuit board 1-1 is provided with universal input/output interface testCircuit, servo-driver and spindle encoder interface test circuitry and servo-driver and hand-operated encoder interfaceTest circuit;
Tested device 1-10 is digital control system;
Universal input/output interface test circuit is used for the merit of the general input/output port of testing tested device 1-10Can whether normal, universal input/output interface test circuit comprise universal input interface and with universal input interfaceDirect-connected general output interface together; Its principle is utilize the universal input interface of tested digital control system and lead toBy the identical feature of output interface quantity, directly, by general output interface access universal input interface, examine simultaneouslyConsider the electrical characteristic of general output interface, be aided with necessary pull-up resistor. Like this, when digital control system is specialUnder the control of testing software, in a signal of general output interface output, after test circuit,Corresponding universal input interface can detect that whether the function of this general output interface is normal. Due to generalInput interface and general output interface are corresponding one by one in test circuit, and therefore this process has also detected simultaneouslyWhether universal input interface is normal. Test result is by aobvious at the LCD of tested digital control system by special test softwareShow screen display out, for maintenance personal's reference.
Servo-driver and the spindle encoder interface test circuitry servo-drive for testing tested device 1-10Whether the function of device interface and spindle encoder is normal, servo-driver and spindle encoder interface test circuitryComprise the first pulse output interface 1-6 of servo-driver and the first pulse output interface with servo-driverThe pulse input interface 1-7 of the direct-connected spindle encoder together of 1-6;
Servo-driver and the hand-operated encoder interface test circuitry servo-drive for testing tested device 1-10Whether the function of device interface and hand-operated encoder is normal, servo-driver and hand-operated encoder interface test circuitryComprise the second pulse output interface 1-8 of servo-driver and the second pulse output interface with servo-driverThe pulse input interface 1-9 of the direct-connected hand-operated encoder together of 1-8;
Servo-driver and spindle encoder interface test circuitry and servo-driver and hand-operated encoder interface are surveyedPrinciple and the work of examination circuit are similar; Its principle is to utilize pulse output and the main shaft of servo-driverThe electrical characteristic of the pulse input of encoder or the pulse of hand-operated encoder input is identical, and servo-driverThe identical feature of digital quantity input/output interface. Test circuit directly connects the pulse output of servo-driverMouth is connected to the pulse input interface 1-7 of spindle encoder or the pulse input interface 1-9 of hand-operated encoder is upper,When digital control system is under the control of special test software, export one at the pulse output interface of servo-driverWhen pulse signal, after test circuit, the pulse input interface 1-7 of corresponding spindle encoderOr the pulse input interface 1-9 of hand-operated encoder can detect this pulse signal, judge thus pulse outputWhether normal with input function. For the digital quantity input/output interface of the pulse output interface of servo-driverTest, be the digital quantity input and output interface quantity phase of utilizing the pulse output interface of servo-driverSame feature directly by digital output mouth signal access digital quantity input port, is considered the electricity of delivery outlet simultaneouslyGas characteristic, is aided with necessary pull-up resistor, and its test philosophy is identical with universal input/output interface test philosophy.Pulse output and input function, and the test result of digital output and input function, by by special testSoftware shows on the LCD display of tested numerical control, for maintenance personal's reference.
For every a pair of direct-connected interface together, the electrical characteristic compatibility of its input and output, therefore works as numerical controlWhen a signal of system output, testing circuit board 1-1 can receive this signal, by coordinating phaseThe testing software of answering, can test out corresponding output, input signal to whether working properly, if existedFault, testing software can be by the signal breaking down to recording and showing so, helps maintenance personal to enterRow accident analysis.
Tested device 1-10 back is provided with and of universal input interface, general output interface, servo-driverThe second pulse output interface 1-8 of one pulse output interface 1-6, servo-driver, the pulse of spindle encoderThe pulse input interface 1-9 interface one to one of input interface 1-7 and hand-operated encoder, tested device 1-10On interface all by connection cable 1-11 and interface corresponding being connected one by one on testing circuit board 1-1.
The direct-connected circuit of each interface is specific as follows:
As shown in Figures 2 and 3, universal input interface and general output interface have 25 pins respectively, logicalWith the pin of input interface first row from top to bottom respectively label be 1 to 13, universal input interface the second combPin from top to bottom respectively label be 14 to 25, the pin of general output interface first row label respectively from top to bottomBe 14 to 25, general output interface second row pin from top to bottom respectively label be 1 to 13, universal inputTwo pin, two pin, two labels that label is 2 that label is 14 on interface and general output interfaceBe that 3 pin, two labels pin that is 16, two labels pin that is 17, two labels are 5Pin that pin that pin that pin, two labels are 6, two labels are 19, two labels are 20,Two pin, two pin, two pin, two labels that label is 22 that label is 9 that label is 8Be that pin, two labels that 23 pin, two labels pin that is 11, two labels are 12 are 25Pin all in parallel between two, connect and be 24V with voltage again power supply is connected with pull-up resistor after in parallel. GeneralInput interface comprises the first universal input interface 1-2 and the second universal input interface 1-4, general output interface bagDraw together the first general output interface 1-3 and the second general output interface 1-5. The first universal input interface 1-2 is for watchingTake the common input interface of driver, the common output that the first general output interface 1-3 is servo-driver connectsMouthful. The power supply that the pin that the second general output interface 1-5 label is 18 is 24V with voltage is connected.
As shown in Figure 4, the pulse input interface 1-7 of spindle encoder has 9 pin, spindle encoderPulse input interface 1-7 first row pin from top to bottom respectively label be 1 to 5, the arteries and veins of spindle encoderRush input interface 1-7 second row pin from top to bottom respectively label be 6 to 9; The first pulse of servo-driverOutput interface 1-6 has 15 pin, the pipe of the first pulse output interface 1-6 first row of servo-driverPin from top to bottom respectively label be 9 to 15, first pulse output interface 1-6 the second comb of servo-driverPin from top to bottom respectively label be 1 to 8; Wherein the first pulse output interface 1-6 label of servo-driver is6 pin is connected with the pin that the pulse input interface 1-7 label of spindle encoder is 2, servo-driverThe pin that the first pulse output interface 1-6 label is 14 and the pulse input interface 1-7 label of spindle encoderBe that 6 pin connects, pin and main shaft that the first pulse output interface 1-6 label of servo-driver is 15The pin that the pulse input interface 1-7 label of encoder is 7 connects, the first pulse output of servo-driverThe pin that the pulse input interface 1-7 label of the pin that interface 1-6 label is 8 and spindle encoder is 3 connectsConnect.
The pin that the pin that the first pulse output interface 1-6 label of servo-driver is 9 and label are 11 alsoThe pin that is 5 with label again after being connected with pull-up resistor after connection is connected, and the pin that label is 3 and label are 11Pin be connected.
As shown in Figure 5, the second pulse output interface 1-8 of servo-driver has 15 pin, servo drivingThe pin of the second pulse output interface 1-8 first row of moving device from top to bottom respectively label be 9 to 15, servoThe second pulse output interface 1-8 second row pin of driver from top to bottom respectively label be 1 to 8; Hand volumeThe pulse input interface 1-9 of code device has 9 pin, the pulse input interface 1-9 first of hand-operated encoderRow pin from top to bottom respectively label be 1 to 5, pulse input interface 1-9 second comb of hand-operated encoderPin from top to bottom respectively label be 6 to 9; The second pulse output interface 1-8 label of servo-driver is 6Pin is connected with the pin that the pulse input interface 1-9 label of hand-operated encoder is 2, of servo-driverThe pin that two pulse output interface 1-8 labels are 14 and the pulse input interface 1-9 label of hand-operated encoder are7 pin connects, pin and hand volume that the second pulse output interface 1-8 label of servo-driver is 15The pin that the pulse input interface 1-9 label of code device is 3 connects, and the second pulse output of servo-driver connectsThe pin that the pin that mouth 1-8 label is 8 is 8 with the pulse input interface 1-9 label of hand-operated encoder is connected.
The pin that the pin that the second pulse output interface 1-8 label of servo-driver is 9 and label are 11 alsoThe pin that is 5 with label again after being connected with pull-up resistor after connection is connected, and the pin that label is 3 and label are 11Pin be connected.
Pull-up resistor is that resistance is the resistance of 4.7K.
Testing process is as follows:
1, connect after each structure, digital control system powers on.
2, the test special-purpose software in operation digital control system.
3, enter after testing software, test starts automatically, once starts test according to three test circuits, first surveysThen examination universal input interface and general output interface are the first pulse output interface 1-6 of servo-driverWith the pulse input interface 1-7 of spindle encoder, be finally the second pulse output interface 1-8 of servo-driverPulse input interface 1-9 with hand-operated encoder.
4,, in automatic testing process, software automatically shows and records the normal and abnormal interface in test, and shows in real timeIllustrate.
5, after three test circuits are completed, the test result of total interface can obtain.
In a word, the foregoing is only preferred embodiment of the present invention, allly do according to the present patent application the scope of the claimsEqualization change and modify, all should belong to the covering scope of patent of the present invention.
Claims (7)
1. digital control system full-automatic test system, comprises testing circuit board (1-1) and and test circuitThe tested device (1-10) that plate (1-1) connects, testing circuit board (1-1) is provided with generalInput/output interface test circuit, servo-driver and spindle encoder interface test circuitry and watchTake driver and hand-operated encoder interface test circuitry;
It is defeated that universal input/output interface test circuit is used for testing the universal input of tested device (1-10)Whether the function of outlet is normal;
Servo-driver and spindle encoder interface test circuitry are used for testing tested device (1-10)Whether the function of servo-driver interface and spindle encoder is normal;
Servo-driver and hand-operated encoder interface test circuitry are used for testing tested device (1-10)Whether the function of servo-driver interface and hand-operated encoder is normal;
It is characterized in that: universal input/output interface test circuit comprises universal input interface and with generalInput interface direct-connected general output interface together, servo-driver and spindle encoder interfaceTest circuit comprises the first pulse output interface (1-6) and and servo-drive of servo-driverThe pulse input of the direct-connected spindle encoder together of the first pulse output interface (1-6) of deviceInterface (1-7), servo-driver and hand-operated encoder interface test circuitry comprise servo-driverThe second pulse output interface (1-8) and with the second pulse output interface (1-8) of servo-driverThe pulse input interface (1-9) of direct-connected hand-operated encoder together.
2. digital control system full-automatic test system according to claim 1, is characterized in that: quiltSurveying device (1-10) back is provided with and universal input interface, general output interface, servo-driveThe first pulse output interface (1-6) of device, the second pulse output interface (1-8) of servo-driver,The pulse input interface (1-7) of spindle encoder and the pulse input interface (1-9) of hand-operated encoderInterface one to one, the interface in tested device (1-10) is all by connection cable (1-11)With interface corresponding being connected one by one on testing circuit board (1-1).
3. digital control system full-automatic test system according to claim 1, is characterized in that: logicalThere are respectively 25 pins, universal input interface first with input interface and general output interfaceRow pin from top to bottom respectively label be 1 to 13, universal input interface second row pin fromTop to bottm label is 14 to 25 respectively, and the pin of general output interface first row divides from top to bottomOther label is 14 to 25, general output interface second row pin from top to bottom respectively label be 1To 13, pin that on universal input interface and general output interface, two labels are 14, twoLabel is 2 pin, two pin, two pins, two that label is 16 that label is 3Individual label be 17 pin, two labels pin that is 5, two labels pin that is 6,Pin that pin that pin that two labels are 19, two labels are 20, two labels are 8,Pin that pin that pin that two labels are 9, two labels are 22, two labels are 23,Two pin, two pin, two pipes that label is 25 that label is 12 that label is 11Pin is all in parallel between two, and the rear power supply that is 24V with voltage again with pull-up resistor series connection in parallel is connected.
4. digital control system full-automatic test system according to claim 1, is characterized in that: mainThe pulse input interface (1-7) of shaft encoder has 9 pin, the pulse of spindle encoderThe pin of input interface (1-7) first row from top to bottom respectively label be 1 to 5, main shaft compileCode device pulse input interface (1-7) second row pin from top to bottom respectively label be 6 to 9;The first pulse output interface (1-6) of servo-driver has 15 pin, servo-driverThe first pulse output interface (1-6) first row pin from top to bottom respectively label be 9 to15, the first pulse output interface (1-6) second row pin of servo-driver divides from top to bottomOther label is 1 to 8; Wherein the first pulse output interface (1-6) label of servo-driverThe pin that pulse input interface (1-7) label that is 6 pin and spindle encoder is 2 connectsConnect pin and main shaft that the first pulse output interface (1-6) label of servo-driver is 14The pin that pulse input interface (1-7) label of encoder is 6 connects, servo-driverThe pin that the first pulse output interface (1-6) label is 15 and the pulse of spindle encoder inputThe pin that interface (1-7) label is 7 connects, the first pulse output interface of servo-driver(1-6) pulse input interface (1-7) label of the pin that label is 8 and spindle encoder is3 pin connects.
5. digital control system full-automatic test system according to claim 4, is characterized in that: watchThe pin that the first pulse output interface (1-6) label that takes driver is 9 and label are 11The pin that is 5 with label again after being connected with pull-up resistor after pin parallel connection is connected, and label is 3Pin is connected with the pin that label is 11.
6. digital control system full-automatic test system according to claim 1, is characterized in that: watchThe the second pulse output interface (1-8) that takes driver has 15 pin, servo-driverThe pin of the second pulse output interface (1-8) first row from top to bottom respectively label be 9 to 15,The second pulse output interface (1-8) second row pin of servo-driver is marked respectively from top to bottomNumber be 1 to 8; The pulse input interface (1-9) of hand-operated encoder has 9 pin, handShake encoder pulse input interface (1-9) first row pin from top to bottom respectively label be1 to 5, pulse input interface (1-9) the second row pin of hand-operated encoder is distinguished from top to bottomLabel is 6 to 9; The second pulse output interface (1-8) label of servo-driver is 6Pin is connected with the pin that pulse input interface (1-9) label of hand-operated encoder is 2, watchesPin and hand-operated encoder that the second pulse output interface (1-8) label that takes driver is 14Pulse input interface (1-9) label be 7 pin connects, the second arteries and veins of servo-driverRush pin that output interface (1-8) label is 15 and the pulse input interface of hand-operated encoder(1-9) pin that label is 3 connects, the second pulse output interface (1-8) of servo-driverLabel is the pipe that pulse input interface (1-9) label of 8 pin and hand-operated encoder is 8Pin connects.
7. digital control system full-automatic test system according to claim 6, is characterized in that: watchThe pin that the second pulse output interface (1-8) label that takes driver is 9 and label are 11The pin that is 5 with label again after being connected with pull-up resistor after pin parallel connection is connected, and label is 3Pin is connected with the pin that label is 11.
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| CN201410036120.7A CN103760894B (en) | 2014-01-24 | 2014-01-24 | Digital control system full-automatic test system |
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| CN2519336Y (en) * | 2002-01-11 | 2002-10-30 | 田明儒 | Computer serial interface test apparatus |
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| US6859755B2 (en) * | 2001-05-14 | 2005-02-22 | Rosemount Inc. | Diagnostics for industrial process control and measurement systems |
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| CN101556305A (en) * | 2008-04-10 | 2009-10-14 | 福建升腾资讯有限公司 | Automatic diagnostic method and equipment of parallel ports of embedded type equipment |
| CN101776875A (en) * | 2009-12-31 | 2010-07-14 | 卧龙电气集团股份有限公司 | Automatic factory test method and device for servo driver |
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