CN102043405A - Controller test box - Google Patents
Controller test box Download PDFInfo
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- CN102043405A CN102043405A CN2009101976068A CN200910197606A CN102043405A CN 102043405 A CN102043405 A CN 102043405A CN 2009101976068 A CN2009101976068 A CN 2009101976068A CN 200910197606 A CN200910197606 A CN 200910197606A CN 102043405 A CN102043405 A CN 102043405A
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Abstract
The invention discloses a controller test box which comprises a display unit, a signal input unit, a communication interface unit, a power supply circuit, terminals, an impulse input unit, functional circuits and a double-path pulse signal generating unit, wherein the terminals correspond to the functional circuits, the multiplexing terminals are connected with the required functional circuits through band switches; the double-path pulse signal generating unit is matched with the impulse input unit for use; and all the assemblies are arranged in the test box. Through integrating all the parts in the test box and using the band switches, all required functional circuits are selected, therefore, a simulating system for rapidly building and debugging a correction control program is realized.
Description
Technical field
The present invention relates to the PLC automatic control technology field of engineering machinery, more particularly, relate to a kind of controller chamber.
Background technology
One section control program is write by the slip-stick artist will set up simulation system in the laboratory after finishing, and program downloaded in the controller, through repeatedly debug and revise meet the demands substantially after, download to debugging and modification in the actual Be Controlled system again, meet the demands fully just to calculate up to the control effect and finish.This wherein, the foundation of simulation system bothers very much, connect a lot of lines, connect various sensors, some can't directly use sensor, such as temperature sensor, and pressure transducer, its measuring amount implements difficult in the laboratory, engineers will be built ball bearing made using or replace sensor to produce controlled and similar to sensor signal signal with D.C. regulated power supply with potentiometer this time.Lead-out terminal generally uses miniature bulb or solenoid valve to monitor the digital quantity or the pwm signal of output.If system is very complicated, will connect more line, for preventing short circuit, wiring place must use insulating tape to wrap, and after program and system are revised, changes also very inconvenient, even it is can use terminal row screwdriver wiring in case of necessity, but still pretty troublesome.
Summary of the invention
In view of this, the invention provides a kind of controller chamber, to realize fast construction and to revise the simulation system that control program is debugged.
For achieving the above object, the invention provides following technical scheme:
A kind of controller chamber comprises display unit, signal input unit, communication interface unit, feed circuit, terminal, pulse input block, functional circuit and two-way pulse signal generating unit;
Described terminal is all to the proper function circuit, and multiplexing described terminal connects required functional circuit by the waver choosing;
Described two-way pulse signal generating unit and described pulse input block are used;
Above-mentioned all component all is arranged in the described chamber.
Preferably, in the embodiment of the invention, display device is used light emitting diode or bulb shows signal in the described controller chamber.
Preferably, in the embodiment of the invention, the analog quantity voltage input in the described signal input unit realizes that to 5V reference voltage dividing potential drop 0-5V is adjustable by the 1K potentiometer; The input of analog quantity electric current is with 1K potentiometer and terminal series connection, with the power supply of 5V reference voltage; The analog quantity resistance circuit disconnects the circuit of 5V reference voltage for the analog quantity voltage circuit.
Preferably, in the embodiment of the invention, two pulse signals in the described two-way pulse signal generating unit, adding comparer by the RC concussion produces, select different electric capacity to realize that pulsed frequency 10-10KHz segmentation is adjustable by 10K potentiometer and waver, output signal is wired to pulse input (PI) terminal (if multiplexing terminal is imported in digital quantity and pulse, needing the digital quantity switch is got to vacant state), and its ground wire is communicated with in inside.
Preferably, in the embodiment of the invention, experimental box also is provided with the interface unit of standard communication interface and independent terminals.
The embodiment of the invention, and is used waver to select to connect various required functional circuits by being installed in the chamber all parts are integrated by the present invention.Thereby realized fast construction and revised the simulation system that control program is debugged.Advantage aspect increasing work efficiency is very tangible, has saved wiring and has taken out stitches, and selects potentiometer, connects the trouble of many things such as bulb.
In addition, the cost aspect, the D.C. regulated power supply that system debug that the present invention is simply integrated will be used and the partial function of signal generator, and its cost is more much lower than these two equipment.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The controller chamber structural representation that Fig. 1 provides for the embodiment of the invention;
The DO/PWM output unit schematic diagram that Fig. 2 provides for the embodiment of the invention;
The analog quantity that Fig. 3 provides for the embodiment of the invention (R/V/A) input block schematic diagram;
Digital quantity/analog quantity that Fig. 4 provides for the embodiment of the invention (V) input block schematic diagram;
The two-way pulse signal generator schematic diagram that Fig. 5 provides for the embodiment of the invention;
The controller chamber conspectus that Fig. 6 provides for second embodiment of the invention;
The DI/DO-unit schematic diagram that Fig. 7 provides for second embodiment of the invention;
The DI/DO/PWM unit schematic diagram that Fig. 8 provides for second embodiment of the invention;
The DI/AI that Fig. 9 provides for second embodiment of the invention (V/A) unit schematic diagram;
The two-way pulse signal generation circuit schematic diagram that Figure 10 provides for second embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The invention discloses a kind of controller chamber, to realize fast construction and to revise the simulation system that control program is debugged.
Embodiment one
At TTC200, TTC100 and TTC110 controller are with its all possible system schema and the switch of using, potentiometer and light emitting diode are integrated in one the instrument container, use dedicated connector to connect controller, and power to controller by chamber, only the waver position need be set can build simulation system, changes the waver position and can revise simulation system.
See also Fig. 1, the controller chamber structural representation that Fig. 1 provides for the embodiment of the invention.
The embodiment of the invention is by 37 output units, 12 road pulse signal generating unit, 8 digital quantity/pulses, 4 digital quantity input blocks, 8 analog quantitys (R/V/A) input block, 12 digital quantity/analog quantitys (V) input block, 1 LIN, 1 RS232,2 CAN, 2 TTP communication units, and other reference power source, with reference to ground, independent terminals such as ground are formed, and output unit is specially: 8 DO/PWM (2.5A) unit, 20 DO (4A) unit, 4 DO/PWM (4A) unit, 3 DO (15A) unit and 2 AO unit.
Signal input aspect: the digital quantity input realizes that with the toggle switch of a third gear terminal connects power ground or unsettled, the analog quantity voltage input realizes that to 5V reference voltage dividing potential drop 0-5V is adjustable by the 1K potentiometer, the input of analog quantity electric current is with 1K potentiometer and terminal series connection, power with the 5V reference voltage, utilize the inner 220 Europe resistance to earth of input terminal, when resistance 1.22k-0.22k even variation, corresponding just is the electric current of the variation of 4-20mA, (can realize the current signal of 0-20mA) if adopt the circuit identical with 0-5V voltage, this is also simpler than using simple current source circuit, and does not allow the restriction of opening a way.The 5V power supply that the 0-1K resistance signal only need cut off voltage signal circuit gets final product, and this is with the realization of coming in addition of waver (including double switch).Pulse signal is a two-way, adding comparer by simple RC concussion produces, select different electric capacity to realize that pulsed frequency 10-10KHz segmentation is adjustable by 10K potentiometer and waver, during use as signal generator, be connected to the PI terminal with lead from signal output and get final product (toggle switch of PI terminal will be got to OFF (unsettled) state earlier), ground wire is conducting in inside.
See also Fig. 2, the DO/PWM output unit schematic diagram that Fig. 2 provides for the embodiment of the invention.
Current-limiting resistance of LED series connection, insert output loop, when lead-out terminal has 24V high level or pwm signal output, pilot lamp is bright, when the following low level of lead-out terminal output 4V, the leakage current that electric leakage bypass R2 forms is reduced to below the 1.5V voltage on the LED, so that LED does not work.D1 is unidirectional conducting diode, prevents that the high level terminal from pouring in down a chimney to low level lead-out terminal electric current by electric leakage bypass R2, can control all output LED by the S1 switch and whether light.
The present invention adds electric leakage bypass (TTC200 with light emitting diode string resistance, the lead-out terminal of TTC100 and TTC110 controller also has the voltage about 4V when output low level, this voltage is enough to make light emitting diode little bright, increasing the electric leakage bypass is exactly in order to drag down level voltage) replace bulb, not only make things convenient for the integrated of system, make the chamber outward appearance more beautiful, function does not change fully, and its life-span is also more lasting than bulb.
See also Fig. 3, the analog quantity that Fig. 3 provides for the embodiment of the invention (R/V/A) input block schematic diagram.
Analog quantity (R/V/A) input block uses the 1K potentiometer to realize by the different modes of connection, and as shown in Figure 3, adopting toggle switch to select is resistance or voltage/current signals, and is determined the mode of connection of potentiometer by other one tunnel of toggle switch.Potentiometer is earth-free during original current signal, but in order to simplify circuit structure, adopts the same mode of connection with voltage, still can realize the function that requires.
See also Fig. 4, digital quantity/analog quantity that Fig. 4 provides for the embodiment of the invention (V) input block schematic diagram.
Digital quantity adopts the third gear toggle switch to select to connect high level, and low level still is unsettled, and analog quantity (V) adopts the 10K potentiometer to build bleeder circuit and realizes 0-10V voltage.
See also Fig. 5, the two-way pulse signal generator schematic diagram that Fig. 5 provides for the embodiment of the invention.
Based on RC integrating circuit making alive comparer, comparer output connects forward and the negative input that negative feedback branch of a positive feedback is clipped to comparer, forms the principle of concussion square wave.Because this circuit, adopt single power supply, comparer positive input be biased circuit herein voltage rise near the 1/2Vcc.The frequency of the size adjustment output square wave (broad pulse) by regulating feedback resistance Rf is selected capacitance size by the third gear selector switch, thus the pulsed frequency scope of selecting signal to take place.
Digital quantity/pulse input adopts toggle switch to select to connect low level or unsettled, and switch is taken unsettled when connecing the pulse input.
Embodiment two
At the EPEC2024 controller with its all possible system schema and the switch used, potentiometer and light emitting diode are integrated in the instrument container, use dedicated connector to connect controller, and power to controller by chamber, only the waver position need be set can build simulation system, changes the waver position and can revise simulation system.
See also Fig. 6, the controller chamber conspectus that Fig. 6 provides for the embodiment of the invention.
The present invention is by 4 DI/DO-unit, 24 DI/DO/PWM unit, 1 two-way pulse signal generating unit, 8 DI/PI unit, 4 DI unit, 8 DI-/AI (V/A) unit, 2 CAN buses, and other reference power source, current feedback is formed etc. independent terminals.
Signal input aspect: it is still unsettled that the digital quantity input realizes that with a toggle switch terminal connects power supply (or ground connection), the analog quantity voltage input realizes that to 5V reference voltage dividing potential drop 0-5V is adjustable by the 1K potentiometer, the input of analog quantity electric current is with 1K potentiometer and terminal series connection, power with the 5V reference voltage, utilize the inner 220 Europe resistance to earth of input terminal, when resistance 1.22k-0.22k even variation, corresponding just is the electric current of the variation of 4-20mA, (can realize the current signal of 0-20mA) if adopt the circuit identical with 0-5V voltage, this is also simpler than using simple current source circuit, and does not allow the restriction of opening a way.Pulse signal is a two-way, adding comparer by simple RC concussion produces, select different electric capacity to realize that pulsed frequency 10-10KHz segmentation is adjustable by 10K potentiometer and waver, during use as signal generator, be connected to the PI terminal with lead from signal output and get final product (PI terminal stir will get to OFF earlier be vacant state), ground wire is conducting in inside.
See also Fig. 7, the DI/DO unit schematic diagram that Fig. 7 provides for the embodiment of the invention.
Waver selects terminal as still output of input, and input adopts toggle switch to realize connecing high level or unsettled, and the LED series limiting resistor is adopted in output, and anode connects power supply, and the negative electrode connecting terminal is realized the output of negative sense digital quantity.
The present invention replaces bulb with light emitting diode string resistance, not only makes things convenient for the integrated of system, makes the chamber outward appearance more beautiful, and function does not change fully, and its life-span is also more lasting than bulb.
See also Fig. 8, the DI/DO/PWM unit schematic diagram that Fig. 8 provides for the embodiment of the invention.
Waver selects terminal as still output of input, input adopts toggle switch to realize connecing high level or unsettled, and LED series limiting resistor, anode connecting terminal are adopted in output, plus earth, light emitting diode is bright when terminal output high level or pwm signal.
See also Fig. 9, the DI/AI that Fig. 9 provides for the embodiment of the invention (V/A) unit schematic diagram.
Digital quantity adopts toggle switch to select ground connection or unsettled, and analog quantity (V/A) adopts the 1K potentiometer to realize 0-5V or 0-20mA signal.
See also Figure 10, the two-way pulse signal generation circuit schematic diagram that Figure 10 provides for the embodiment of the invention.
Based on RC integrating circuit making alive comparer, comparer output connects forward and the negative input that negative feedback branch of a positive feedback is clipped to comparer, forms the principle of concussion square wave.Because this circuit, adopt single power supply, comparer positive input be biased circuit herein voltage rise near the 1/2Vcc.The frequency of the size adjustment output square wave (broad pulse) by regulating feedback resistance Rf is selected capacitance size by the third gear selector switch, thus the pulsed frequency scope of selecting signal to take place.
DI/PI adopts toggle switch to select to connect high level or unsettled, and switch is taken vacant state when connecing the pulse input.
All unit are except that same reference power source is got in the part unit in the chamber, all be separate between the unit, the connector of all unit and controller is connected, connect controller after, the functional circuit that needs in each toggle switch selection linkage unit is set respectively, constitutes simulation system.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (5)
1. a controller chamber is characterized in that, comprises display unit, signal input unit, communication interface unit, feed circuit, terminal, pulse input block, functional circuit and two-way pulse signal generating unit;
Described terminal is all to the proper function circuit, and multiplexing described terminal connects required functional circuit by the waver choosing;
Described two-way pulse signal generating unit and described pulse input block are used;
Above-mentioned all component all is arranged in the described chamber.
2. controller chamber as claimed in claim 1 is characterized in that, display device is used light emitting diode or bulb shows signal in the described controller chamber.
3. controller chamber as claimed in claim 1 is characterized in that, the analog quantity voltage input in the described signal input unit realizes that to 5V reference voltage dividing potential drop 0-5V is adjustable by the 1K potentiometer; The input of analog quantity electric current is with 1K potentiometer and terminal series connection, with the power supply of 5V reference voltage; The analog quantity resistance circuit disconnects the circuit of 5V reference voltage for the analog quantity voltage circuit.
4. controller chamber as claimed in claim 1, it is characterized in that, two pulse signals in the described two-way pulse signal generating unit, adding comparer by the RC concussion produces, select different electric capacity to realize that pulsed frequency 10-10KHz segmentation is adjustable by 10K potentiometer and waver, output signal is wired to pulse input (PI) terminal (if multiplexing terminal is imported in digital quantity and pulse, needing the digital quantity switch is got to vacant state), and its ground wire is communicated with in inside.
5. controller chamber as claimed in claim 1 is characterized in that experimental box also is provided with the interface unit of standard communication interface and independent terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101976068A CN102043405A (en) | 2009-10-23 | 2009-10-23 | Controller test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101976068A CN102043405A (en) | 2009-10-23 | 2009-10-23 | Controller test box |
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| Publication Number | Publication Date |
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| CN102043405A true CN102043405A (en) | 2011-05-04 |
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| CN2009101976068A Pending CN102043405A (en) | 2009-10-23 | 2009-10-23 | Controller test box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744423A (en) * | 2014-01-13 | 2014-04-23 | 山东科技大学 | PLC (Programmable Logic Controller) simulation debugger |
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2009
- 2009-10-23 CN CN2009101976068A patent/CN102043405A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744423A (en) * | 2014-01-13 | 2014-04-23 | 山东科技大学 | PLC (Programmable Logic Controller) simulation debugger |
| CN103744423B (en) * | 2014-01-13 | 2017-12-22 | 山东科技大学 | A kind of PLC simulation debuggers |
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Application publication date: 20110504 |