CN212483645U - Test signal generator - Google Patents
Test signal generator Download PDFInfo
- Publication number
- CN212483645U CN212483645U CN202021032096.7U CN202021032096U CN212483645U CN 212483645 U CN212483645 U CN 212483645U CN 202021032096 U CN202021032096 U CN 202021032096U CN 212483645 U CN212483645 U CN 212483645U
- Authority
- CN
- China
- Prior art keywords
- plc
- input
- circuit board
- signal output
- pnp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model discloses a test signal generator relates to electrical performance test technical field. This test signal generator, including the circuit board, the first half of front surface of circuit board is close to one side edge equidistance and is provided with four first PNP signal output terminal, the first half of front surface of circuit board is close to opposite side edge equidistance and is provided with four first PLC input terminals, the front surface latter half of circuit board is close to one side edge equidistance and is provided with four second PNP signal output terminal. According to the test signal generator, the four first PLC signal input indicating lamps, the four second NPN signal output indicating lamps and the four second PLC signal input indicating lamps realize the LED diagnosis function, the DI channel of the IO module is tested by controlling the output of the PNP and the NPN, and in use, the accuracy of electrical performance test can be effectively improved.
Description
Technical Field
The utility model relates to an electrical performance test technical field specifically is test signal generator.
Background
In the bus type IO module test, a PNP/NPN test signal needs to be input to each digital input channel, but in the prior art, a proximity switch is connected to the input channel, and the proximity switch is driven by a mechanical device to give a signal, so that the accuracy of the electrical performance test is reduced in use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a test signal generator, in the use, with PNP return circuit simulation test signal, and the output point of giving through PLC of signal is controlled, accuracy that can effectual improvement electrical performance test.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the test signal generator comprises a circuit board, wherein the upper half part of the front surface of the circuit board is provided with four first PNP signal output terminals close to the equal distance of one side edge, the upper half part of the front surface of the circuit board is provided with four first PLC input terminals close to the equal distance of the other side edge, the lower half part of the front surface of the circuit board is provided with four second PNP signal output terminals close to the equal distance of one side edge, the lower half part of the front surface of the circuit board is provided with four second PLC input terminals close to the equal distance of the other side edge, one sides of the front surface of the circuit board close to the four first PNP signal output terminals are provided with first NPN signal output indicating lamps, one sides of the front surface of the circuit board close to the four first PLC input terminals are provided with second NPN signal output indicating lamps, and a second PLC signal input indicator lamp is arranged on one side of the front surface of the circuit board, which is close to the second PLC input terminal.
In order to carry out the transmission of signal, as the utility model discloses test signal generator is preferred, four first PNP signal output terminal, four first PLC input terminal, four second PNP signal output terminal and four second PLC input terminal's output respectively with the input electric connection of circuit board.
In order to carry out the transmission of signal, as the utility model discloses test signal generator is preferred, four the output of first PNP signal output terminal respectively with the input electric connection of four first NPN signal output pilot lamps.
In order to transmit signals, the output ends of the four first PLC input terminals are electrically connected with the input ends of the four first PLC signal input indicating lamps respectively.
In order to carry out the transmission of signal, as the utility model discloses test signal generator is preferred, four the output of second PNP signal output terminal respectively with the input electric connection of four NPN signal output pilot lamps.
In order to carry out the transmission of signal, as the utility model discloses the test signal generator is preferred, four the output of second PLC input terminal respectively with the input electric connection of four second PLC signal input pilot lamps.
The utility model provides a test signal generator. The method has the following beneficial effects:
the test signal generator comprises four first PNP signal output terminals, four first PLC input terminals, four second PNP signal output terminals and four second PLC input terminals, wherein the four first PNP signal output terminals, the four first PLC input terminals, the four second PNP signal output terminals and the four second PLC input terminals are used for connecting a digital quantity input (DI) channel of a module to be tested, the first PLC input terminals and the second PLC input terminals are used for connecting output signals of a PLC and controlling PNP or NPN signal output, four first PLC signal input indicating lamps, four first NPN signal output indicating lamps and four second PLC signal input indicating lamps, the LED diagnosis function is achieved, the DI channel of an IO module is tested by controlling the output of the PNP and the NPN, and in use, the accuracy of electrical performance test can be effectively improved.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a circuit diagram of the present invention.
In the figure: 1. a circuit board; 2. a first PNP signal output terminal; 3. a first NPN signal output indicator lamp; 4. a second PNP signal output terminal; 5. a second NPN signal output indicator lamp; 6. a second PLC signal input indicator light; 7. a second PLC input terminal; 8. a first PLC signal input indicator lamp; 9. a first PLC input terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the test signal generator comprises a circuit board 1, wherein four first PNP signal output terminals 2 are equidistantly arranged on the upper half part of the front surface of the circuit board 1 close to one side edge, four first PLC input terminals 9 are equidistantly arranged on the upper half part of the front surface of the circuit board 1 close to the other side edge, four second PNP signal output terminals 4 are equidistantly arranged on the lower half part of the front surface of the circuit board 1 close to one side edge, four second PLC input terminals 7 are equidistantly arranged on the lower half part of the front surface of the circuit board 1 close to the other side edge, first NPN signal output indicating lamps 3 are respectively arranged on one sides of the front surface of the circuit board 1 close to the four first PNP signal output terminals 2, first PLC signal input indicating lamps 8 are respectively arranged on one sides of the front surface of the circuit board 1 close to the four first PNP signal output terminals 9, second NPN signal output indicating lamps 5 are respectively arranged on one sides of the front surface of the, one side of the front surface of the circuit board 1 close to the second PLC input terminal 7 is provided with a second PLC signal input indicator lamp 6.
In this embodiment: the PNP/NPN signal generator adopts a triode as a core component, outputs PNP/NPN signals and is used for detecting a digital quantity input channel, each path of second PLC input terminal 7 and first PLC input terminal 9 is provided with three output connectors for connecting the digital quantity input channel of a tested module, each path of first PNP signal output terminal 2 and second PNP signal output terminal 4 is provided with two input connectors for connecting the digital quantity output channel (dry contact) of the PLC and controlling the output of an NPN/NPN signal source, and the input and output interface of the generator is provided with a first NPN signal output indicator lamp 3, a first PLC signal input indicator lamp 8, a second NPN signal output indicator lamp 5 and a second PLC signal input indicator lamp 6 for indicating whether input signals are given and whether output signals are sent to the tested module.
Specifically, the output ends of the four first PNP signal output terminals 2, the four first PLC input terminals 9, the four second PNP signal output terminals 4, and the four second PLC input terminals 7 are electrically connected to the input end of the circuit board 1, respectively.
In this embodiment: through first PNP signal output terminal 2, first PLC input terminal 9, second PNP signal output terminal 4 and second PLC input terminal 7 and circuit board 1 electric connection, in the use, can carry out the transmission of signal, be convenient for test electric property.
Specifically, the output ends of the four first PNP signal output terminals 2 are electrically connected to the input ends of the four first NPN signal output indicator lamps 3, respectively.
In this embodiment: because the first PNP signal output terminal 2 is electrically connected to the first NPN signal output indicator lamp 3, during testing, the first NPN signal output indicator lamp 3 is lighted to indicate whether an input signal is given and whether an output signal is sent to the module under test.
Specifically, the output ends of the four first PLC input terminals 9 are electrically connected to the input ends of the four first PLC signal input indicator lamps 8, respectively.
In this embodiment: because first PLC input terminal 9 and first PLC signal input pilot lamp 8 electric connection, when the test, through shining of first PLC signal input pilot lamp 8 for whether instruction input signal gives and whether output signal sends for the module under test.
Specifically, the output ends of the four second PNP signal output terminals 4 are electrically connected to the input ends of the four second NPN signal output indicator lamps 5, respectively.
In this embodiment: because the second PNP signal output terminal 4 is electrically connected to the second NPN signal output indicator lamp 5, during testing, the second NPN signal output indicator lamp 5 is lighted to indicate whether an input signal is given and whether an output signal is sent to the module under test.
Specifically, the output ends of the four second PLC input terminals 7 are electrically connected to the input ends of the four second PLC signal input indicator lamps 6, respectively.
In this embodiment: because second PLC input terminal 7 and second PLC signal input pilot lamp 6 electric connection, when the test, through shining of second PLC signal input pilot lamp 6 for whether instruction input signal gives and whether output signal sends for the module under test.
When the device is used, the digital quantity output channel (dry contact) of the PLC is connected through three output connectors on each path of the second PLC input terminal 7 and the first PLC input terminal 9 and two input connectors on each path of the first PNP signal output terminal 2 and the second PNP signal output terminal 4 to control the output of an NPN/NPN signal source, and the first NPN signal output indicator lamp 3, the first PLC signal input indicator lamp 8, the second NPN signal output indicator lamp 5 and the second PLC signal input indicator lamp 6 are used for indicating whether an input signal is given and whether an output signal is sent to a tested module.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Test signal generator, including circuit board (1), its characterized in that: the circuit board comprises a circuit board (1), wherein the upper half part of the front surface of the circuit board (1) is provided with four first PNP signal output terminals (2) close to the edge of one side at an equal distance, the upper half part of the front surface of the circuit board (1) is provided with four first PLC input terminals (9) close to the edge of the other side at an equal distance, the lower half part of the front surface of the circuit board (1) is provided with four second PNP signal output terminals (4) close to the edge of one side at an equal distance, the lower half part of the front surface of the circuit board (1) is provided with four second PLC input terminals (7) close to the edge of the other side at an equal distance, one side of the front surface of the circuit board (1) close to the four first PNP signal output terminals (2) is provided with a first NPN signal output indicator lamp (3), one side of the front, one side that the front surface of circuit board (1) is close to four second PNP signal output terminal (4) all is provided with second NPN signal output pilot lamp (5), one side that the front surface of circuit board (1) is close to second PLC input terminal (7) all is provided with second PLC signal input pilot lamp (6).
2. The test signal generator of claim 1, wherein: the output ends of the four first PNP signal output terminals (2), the four first PLC input terminals (9), the four second PNP signal output terminals (4) and the four second PLC input terminals (7) are respectively electrically connected with the input end of the circuit board (1).
3. The test signal generator of claim 1, wherein: the output ends of the four first PNP signal output terminals (2) are electrically connected with the input ends of the four first NPN signal output indicator lamps (3) respectively.
4. The test signal generator of claim 1, wherein: the output ends of the four first PLC input terminals (9) are electrically connected with the input ends of the four first PLC signal input indicating lamps (8) respectively.
5. The test signal generator of claim 1, wherein: the output ends of the four second PNP signal output terminals (4) are respectively electrically connected with the input ends of the four second NPN signal output indicator lamps (5).
6. The test signal generator of claim 1, wherein: the output ends of the four second PLC input terminals (7) are respectively electrically connected with the input ends of the four second PLC signal input indicating lamps (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021032096.7U CN212483645U (en) | 2020-06-08 | 2020-06-08 | Test signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021032096.7U CN212483645U (en) | 2020-06-08 | 2020-06-08 | Test signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212483645U true CN212483645U (en) | 2021-02-05 |
Family
ID=74416202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021032096.7U Active CN212483645U (en) | 2020-06-08 | 2020-06-08 | Test signal generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212483645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113934194A (en) * | 2021-09-26 | 2022-01-14 | 超恩智能科技(苏州)有限公司 | Testing device and testing method for DIO interface of industrial personal computer |
-
2020
- 2020-06-08 CN CN202021032096.7U patent/CN212483645U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113934194A (en) * | 2021-09-26 | 2022-01-14 | 超恩智能科技(苏州)有限公司 | Testing device and testing method for DIO interface of industrial personal computer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212483645U (en) | Test signal generator | |
| CN202854270U (en) | Circuit testing apparatus for signal transmission line | |
| CN202794423U (en) | Simple wire on-off detection device | |
| CN202712676U (en) | Core aligning device for cables | |
| CN201527458U (en) | Conductor bundle detecting device | |
| CN202075356U (en) | Detection device for multi-core plug base pin signal line | |
| CN104122481A (en) | Multifunction cable detection device | |
| CN203422741U (en) | Bus signal wiring device | |
| CN209327385U (en) | A kind of photoelectrical coupler test adapter | |
| CN209640434U (en) | A kind of equipment for the vehicle-mounted school VOBC line | |
| CN203688669U (en) | Contact resistance detection circuit of thin-film switch | |
| CN217034210U (en) | Test connector of multifunctional wire harness | |
| CN207263872U (en) | A kind of substation secondary cable sorter | |
| CN220894433U (en) | Optocoupler aging testing device | |
| CN201413380Y (en) | Multifunctional adaptive circuit measurement device | |
| CN214099962U (en) | Flexible flat cable switching assembly | |
| CN215932103U (en) | Electronic flat cable on-off tester | |
| CN204758757U (en) | Signal line break -make detection device | |
| CN204903707U (en) | General test fixture of air conditioner | |
| CN218385906U (en) | Multiport cable test socket support plate | |
| CN209858960U (en) | 32-channel ECON signal acquisition module | |
| CN109117192A (en) | The switching device and Rouser of standby board can be waken up | |
| CN104655971A (en) | Lamp base interface testing tool and testing method | |
| CN218896182U (en) | Wire harness tester | |
| CN210803560U (en) | Guide rail type intelligent electric energy meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |