CN207114725U - Proximity switch control assembly testboard - Google Patents
Proximity switch control assembly testboard Download PDFInfo
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- CN207114725U CN207114725U CN201721165159.4U CN201721165159U CN207114725U CN 207114725 U CN207114725 U CN 207114725U CN 201721165159 U CN201721165159 U CN 201721165159U CN 207114725 U CN207114725 U CN 207114725U
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Abstract
The utility model discloses proximity switch control assembly testboard, the testboard includes cabinet, the control panel that is arranged on cabinet and is arranged at the power module of cabinet inside, signal input module, signal output module, load blocks；Display module, the indicating module being connected with load blocks of access power module are provided with the control panel；The MUT module under test is connected with power module, signal input module, signal output module, load blocks respectively.Its signal input module includes being positioned proximate to switch sensor input signal interface, discrete magnitude input signal interface, ARINC429 signaling interfaces, RS232 signaling interfaces, and these interfaces set using testboard can be simultaneously tested the performance of a variety of proximity switch control assemblies by shirtsleeve operation step.
Description
Technical field
Proximity switch control assembly testing field is the utility model is related to, is that proximity switch control assembly is surveyed specifically
Test stand.
Background technology
Proximity switch is also known as contactless proximity switch, is preferable electronic switch quantity sensor.When metal detection body approaches
The induction region of switch, switch just can be contactless, no pressure, no-spark, send electrical command rapidly, accurate response goes out fitness machine
The position of structure and stroke, that is, in general Stroke Control is used in, its positioning precision, operating frequency, service life, mounting and adjusting
Convenience and the applicable ability to adverse circumstances, it is that common mechanical formula travel switch institute is incomparable.It is widely used in
The industries such as lathe, metallurgy, chemical industry, light textile and printing.In automatic control system can be used as it is spacing, count, location control and from
Dynamic link of protection etc..
According to the characteristic of proximity switch, its application in aviation field is also of crucial importance, and such proximity switch must
Must possess high precision and high stability, just can guarantee that other air equipment energy normal operations, so we are opened such approach
The performance of the control assembly of pass, which is tested, to be also necessary.
Therefore a kind of proximity switch control assembly testboard is provided to carry out test to proximity switch control assembly be very
It is necessary.
Utility model content
The purpose of this utility model is to provide proximity switch control assembly testboard, can passed through using testboard simple
Operating procedure the performance of a variety of proximity switch control assemblies is tested.
The utility model is achieved through the following technical solutions：Proximity switch control assembly testboard, is connected with MUT module under test
The test of MUT module under test performance is carried out afterwards.The testboard includes cabinet, the control panel being arranged on cabinet and is arranged at
The power module of cabinet inside, signal input module, signal output module, load blocks；It is provided with and connects on the control panel
Enter display module, the indicating module being connected with load blocks of power module；The MUT module under test respectively with power module, signal
Input module, signal output module, load blocks are connected；
The signal input module include approach switch sensor input signal circuit, discrete magnitude input signal circuit,
ARINC429 signal circuits, RS232 signal circuits；The signal output module includes discrete magnitude output signal circuit；
The approach switch sensor input signal circuit, pass through the approach switch sensor input signal on control panel
Interface is connected with MUT module under test and sends simulation approach switch sensor signal to MUT module under test；
The discrete magnitude input signal circuit, connected by the discrete magnitude input signal interface on control panel and MUT module under test
Connect and send discrete magnitude input signal to MUT module under test；
The ARINC429 signal circuits, it is connected simultaneously with MUT module under test by the ARINC429 signaling interfaces on control panel
ARINC429 signals are sent to MUT module under test；
The RS232 signal circuits, it is connected by the RS232 signaling interfaces on control panel with MUT module under test and to tested
Component sends RS232 signals；
The discrete magnitude output signal circuit, connected by the discrete magnitude output signal interface on control panel and MUT module under test
Connect and receive the discrete magnitude output signal of MUT module under test transmission.
Its operation principle is：Electric power source pair of module testboard is powered, power module initially introduce for 220V alternating currents
Pressure, the adjustable DC voltages of 0~32V and other types voltage can be converted into by carrying out conversion by electric power source pair of module voltage
Deng.At the same time, signal input module is then responsible for inputting correlated inputs signal, for example the approach switch sensor simulated is defeated
Enter signal, input signal is transported to MUT module under test, after MUT module under test receives input signal, and the action signal of response is passed
Load blocks are given, load blocks are output to the instruction that indicating module carries out test result after receiving response action signal, together
When the relevant parameter that is exported to its test result of display module show, so as to efficiently accomplish proximity switch control assembly
Properties are tested.
In order to preferably realize the utility model, further, the approach switch sensor input signal circuit includes
The branch of a plurality of separate analogue approach switch sensor input signal, main resistance, the electricity by being serially connected of any one branch
Sense forms, and value, the value of inductance of resistance are incomplete same in different branches.Using resistance, inductance series connection analog sensor signal
Input, different resistance values and inductance value diverse location, it is controlled by switch, can be tetra- kinds in SHORT, OPEN, NEAR, FAST
Switched in state.Increase instrument connection simultaneously, extension instrument measures, altogether the identical Sensor Analog Relay System circuit in 57 tunnels.Together
When proximity switch analog signal conditioned circuit all the way is provided.So as to realize the accurate simulation of approach switch sensor input information.
In order to preferably realize the utility model, further, the branch is the separate branch in 57 tunnels.By setting
Multiple separate branches are put, the input of different simulation approach switch sensor signals can be carried out, so as to greatly increase
Test scope is tested, improves practicality.
In order to preferably realize the utility model, further, the load blocks include two groups of separate 8-995
Load, 8-678 loads；Include connecing the 8-995 loading interfaces of 8-995 loads on the control panel, meet the 8- of 8-678 loads
678 loading interfaces and load switching switch；The input of the load switching switch connects testing component and load switches switch
Two inputs connect 8-995 loading interfaces, 8-678 loading interfaces respectively, and the hilted broadsword of the load switching switch is born in 8-995
Carry, switch over operation between 8-678 loads, 8-995 loads or 8-678 loads are connected with testing component.Will by setting
8-995 is loaded and 8-678 is loaded to be responded to input signal, so as to effectively learn whether control assembly performance is complete
It is good, reach test purpose.
In order to preferably realize the utility model, further, the indicating module includes setting on the control panel
8-995 loads output indicator and 8-678 load output indicators, and the 8-995 load output indicators load phase with 8-995
Connection, 8-678 loads are connected with 8-678 load output indicators.Can be simply directly by the light on and off state of indicator lamp
Learn test result.
In order to preferably realize the utility model, further, the 8-995 load output indicators and 8-678 loads
Output indication modulated structure is identical, is mainly formed in parallel by resistance with Light-Emitting Diode so as to refer to load signal output
Show.It is the steady operation that indicator lamp can be achieved by simple circuit structure, i.e. simplified circuit structure has saved cost again.
In order to preferably realize the utility model, further, the display module includes setting on the control panel
As 0~10V ammeter, the D.C. voltmeter and ammeter are respectively connected to the D.C. voltmeter and amount that range is 0~50V
Power module.By setting the D.C. voltmeter and measure the ginseng for turning into 0~10V ammeter to test result that range is 0~50V
Number is shown, test result can be more clearly from analyzed within effective test scope.
In order to preferably realize the utility model, further, be additionally provided with the control panel respectively with power supply mould
Leakage current test interface, voltage-regulation knob, 28V power supplys verification holes, FLT/GND BUS power switches, the BUS#3 electricity of block connection
Source switch, 220VAC power switches.Pass through FLT/GND BUS power switches, BUS#3 power switches, 220VAC power switches, electricity
Pressure adjusting knob can realize the input of different size variety classes power supply, voltage, so as to give difference must not power supply signal, with
It is easy to test different types of control assembly.
In order to preferably realize the utility model, further, the cabinet is standard 10U cabinets.To make test data
Accurately and reliably, using 10U standard PC cases, and it is built-in with fan in 10U standard PC cases and is radiated, ensure that the work of testboard
Make stability.
The utility model compared with prior art, has advantages below and beneficial effect：
(1) the utility model passes through FLT/GND BUS power switches, BUS#3 power switches, 220VAC power switches, electricity
Pressure adjusting knob can realize the input of different size variety classes power supply, voltage, so as to give difference must not power supply signal, with
It is easy to test different types of control assembly.
(2) the utility model by be positioned proximate to switch sensor input signal interface, discrete magnitude input signal interface,
ARINC429 signaling interfaces, RS232 signaling interfaces, have access to different types of input signal, for different control assemblies
Input different signals to be tested, so as to realize a tractor serves several purposes.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is control panel figure of the present utility model.
Fig. 3 is approach switch sensor input signal circuit schematic diagram of the present utility model.
Fig. 4 is discrete magnitude input signal circuit schematic diagram of the present utility model.
Embodiment
Embodiment 1：
The proximity switch control assembly testboard of the present embodiment, as shown in Figure 1：Proximity switch control assembly testboard, with
The test of MUT module under test performance is carried out after MUT module under test connection.The testboard includes cabinet, the chain of command being arranged on cabinet
Plate and it is arranged at the power module of cabinet inside, signal input module, signal output module, load blocks；The chain of command
Display module, the indicating module being connected with load blocks of access power module are provided with plate；The MUT module under test respectively with
Power module, signal input module, signal output module, load blocks are connected；
The signal input module include approach switch sensor input signal circuit, discrete magnitude input signal circuit,
ARINC429 signal circuits, RS232 signal circuits；The signal output module includes discrete magnitude output signal circuit；
The approach switch sensor input signal circuit, pass through the approach switch sensor input signal on control panel
Interface is connected with MUT module under test and sends simulation approach switch sensor signal to MUT module under test；
The discrete magnitude input signal circuit, connected by the discrete magnitude input signal interface on control panel and MUT module under test
Connect and send discrete magnitude input signal to MUT module under test；
The ARINC429 signal circuits, it is connected simultaneously with MUT module under test by the ARINC429 signaling interfaces on control panel
ARINC429 signals are sent to MUT module under test；
The RS232 signal circuits, it is connected by the RS232 signaling interfaces on control panel with MUT module under test and to tested
Component sends RS232 signals；
The discrete magnitude output signal circuit, connected by the discrete magnitude output signal interface on control panel and MUT module under test
Connect and receive the discrete magnitude output signal of MUT module under test transmission.
One voltmeter of rearrangeable switch power sources in parallel wherein in power module and one is connected again by two ammeters
In parallel group of composition, it is then MUT module under test input voltage.Its approach switch sensor signal is by signaling switch to tested group
Part inputs the analog signal of approach switch sensor.Its A429 signal and RS232 signals are carried out simultaneously with discrete magnitude input signal
It is input to MUT module under test.
After signal is received, on the one hand output discrete output signal, another aspect signal output extremely load MUT module under test
Module and its indicator lamp of load blocks connection are shown.
Its operation principle is：Electric power source pair of module testboard is powered, power module initially introduce for 220V alternating currents
Pressure, the adjustable DC voltages of 0~32V and other types voltage can be converted into by carrying out conversion by electric power source pair of module voltage
Deng.At the same time, signal input module is then responsible for inputting correlated inputs signal, for example the approach switch sensor simulated is defeated
Enter signal, input signal is transported to MUT module under test, after MUT module under test receives input signal, and the action signal of response is passed
Load blocks are given, load blocks are output to the instruction that indicating module carries out test result after receiving response action signal, together
When the relevant parameter that is exported to its test result of display module show, so as to efficiently accomplish proximity switch control assembly
Properties are tested.
Embodiment 2：
The cabinet of testboard described in the present embodiment is standard 10U cabinets, and cabinet includes rear board, control panel.
HCSN-68-01 feed cables interface, HCSN-68-02 sensor signal input cables are provided with the rear board
Interface, HCSN-68-03 discrete magnitude input cables interface, HCSN-68-04 discrete magnitudes output test cable interface.
As shown in Fig. 2 multiple switch, multigroup instrument connection, multigroup indicator lamp are set on the control panel.
It is described switch include 220VAC power switches, BUS#3 power switches, FLT/GND BUS power switches, high level I,
High level II, the discrete signal input adjusting switch in " input of centrifugation signal " region, PX01-PX57 switches.Wherein
PX01-PX57 switches input controlling switch for 57 road approach switch sensor signals.Above-mentioned switching declaration such as table 1.
Table 1
The 220VAC power switches, BUS#3 power switches, FLT/GND BUS power switches connect with power module respectively
Connect, be operated the control of voltage.
The high level I, high level II are connected between power module and discrete magnitude input signal circuit respectively, are carried out discrete
Measure the control of input high level signal or the control of discrete magnitude input low level signal.
Discrete signal input adjusting switch in " discrete signal input " region, access discrete magnitude input signal electricity
Road, for adjusting the control of discrete magnitude input signal.
PX01~PX57 switches, corresponding 57 tunnels are connected by resistance, inductance respectively forms simulation approach switch sensor
The branch of signal.
The instrument connection includes " RS232 " domain test hole, " ARINC429 " domain test hole, " discrete signal input " area
Domain test hole, " discrete signal output " domain test hole, " input of approach switch sensor signal " domain test hole, 28V voltages
Instrument connection, GND, " electric leakage current test " region 28V voltage testers hole, " electric leakage current test " region GND.Above-mentioned instrument connection explanation is such as
Table 2.
Table 2
" RS232 " the domain test hole is RS232 communication interfaces, and the RS232 signal circuits are connect by RS232 communications
Mouth connects MUT module under test.
" ARINC429 " the domain test hole is ARINC429 communication interfaces, and the ARINC429 signal circuits pass through
ARINC429 communication interfaces connect MUT module under test.
" discrete signal input " the domain test hole is discrete magnitude input signal interface, the discrete magnitude input signal electricity
Road connects MUT module under test by discrete magnitude input signal interface.
" discrete signal output " the domain test hole is discrete magnitude output signal interface, the discrete magnitude output signal electricity
Road connects MUT module under test by discrete magnitude output signal interface.
" input of approach switch sensor signal " the domain test hole is approach switch sensor input signal interface, institute
State approach switch sensor input signal circuit and MUT module under test is connect by approach switch sensor input signal interface.
The indicator lamp include 220VAC power supply indicators, BUS#3 power supply indicators, FLT/GND BUS power supply indicators,
Indicator lamp in " 8-678 loads " region, indicator lamp in " 8-995 loads " region.Above-mentioned indicator lamp explanation such as table 3.
| Indicator lamp | Explanation |
| 220VAC power supply indicators | 220VAC power supply instructions |
| BUS#3 power supply indicators | BUS#3 power supply instructions |
| FLT/GND BUS power supply indicators | FLT/GND BUS power supply instructions |
| Indicator lamp in " 8-678 loads " region | PN：8-678 output indications |
| Indicator lamp in " 8-995 loads " region | PN：8-995 output indications |
Table 3
Embodiment 3：
The present embodiment does further optimization on the basis of embodiment 1, as shown in Figure 3：The approach switch sensor is defeated
Entering signal circuit includes the branch of a plurality of separate analogue approach switch sensor input signal, and any one branch is mainly by mutual
Resistance, the inductance of series connection form, and value, the value of inductance of resistance are incomplete same in different branches.Using resistance, inductance series connection mould
Intend sensor signal input, different resistance values and inductance value diverse location, be controlled by switch, can SHORT, OPEN,
Switched in tetra- kinds of states of NEAR, FAST.Increase instrument connection simultaneously, extension instrument measures, altogether the identical sensing in 57 tunnels
Device analog circuit.Proximity switch analog signal conditioned circuit all the way is provided simultaneously.So as to realize approach switch sensor input letter
The accurate simulation of breath.
The branch is the separate branch in 57 tunnels.By setting multiple separate branches, difference can be carried out
Simulation approach switch sensor signal input, so as to greatly increase test test scope, improve practicality.
The discrete magnitude input signal circuit from figure as shown in figure 4, be not difficult to learn, discrete magnitude input signal electricity here
Road has two functions, and one of function is corresponding to behind 28V power supply signals are added to by each corresponding switch
Pin gets on.Another function is exactly that GND ground signallings are added to below on corresponding pin by each respective switch, real
It is exactly that pin is grounded by corresponding switch accordingly below on border.
The load blocks include two groups of separate 8-995 loads, 8-678 loads；Include on the control panel
Connect the 8-995 loading interfaces of 8-995 loads, the 8-678 loading interfaces for connecing 8-678 loads and load switching switch；The load
The input of switching switch connects testing component and two inputs of load switching switch meet 8-995 loading interfaces, 8-678 respectively
Loading interfaces, the hilted broadsword of the load switching switch switches over operation between 8-995 loads, 8-678 loads, by 8-995
Load or 8-678 loads are connected with testing component.Input signal is made by setting 8-995 loads and 8-678 loads
Response, so as to effectively learn whether control assembly performance is intact, reaches test purpose.
Wherein, all loads realize that discrete output voltage is 28VDC on pin using fixed resistance.Its load group with
Corresponding to institute galvanization situation it is as follows：
8-678 is loaded：Load 1：10mA, 2 groups；Load 2：50mA, 11 groups；Load 3：100mA, 2 groups；Load 4：150mA,
20 groups；Load 5：200mA, 2 groups；Load 6：500mA, 4 groups.
8-995 is loaded：Load 1：20mA, 6 groups；Load 2：100mA, 11 groups；Load 3：200mA, 29 groups；Load 4：1A, 4
Group.
The indicating module includes setting 8-995 load output indicators and 8-678 load outputs on the control panel
Indicator lamp, the 8-995 load output indicators are connected with 8-995 loads, 8-678 loads and 8-678 load output indications
Lamp is connected.Test result can simply directly be learnt by the light on and off state of indicator lamp.
The 8-995 load output indicators are identical with 8-678 load output indication modulated structures, mainly by resistance and hair
Light diode is formed in parallel so as to indicate load signal output.It is that indicator lamp can be achieved by simple circuit structure
Steady operation, i.e. simplified circuit structure have saved cost again.
The display module includes the D.C. voltmeter for setting range to be on the control panel 0~50V and amount turn into 0~
10V ammeter, the D.C. voltmeter and ammeter are respectively connected to power module.By setting the direct current that range is 0~50V
Voltmeter and amount show as 0~10V ammeter to the parameter of test result, can be with effective test scope
More clearly from analyze test result.
The leakage current test interface being connected respectively with power module, voltage-regulation rotation are additionally provided with the control panel
Button, 28V power supplys verification holes, FLT/GND BUS power switches, BUS#3 power switches, 220VAC power switches.Pass through FLT/GND
BUS power switches, BUS#3 power switches, 220VAC power switches, voltage-regulation knob can realize different size variety classes
The input of power supply, voltage, so as to give difference must not power supply signal, in order to test different types of control assembly.Its work
Principle is：0~32VDC adjustable DC power supplys required during measured piece test can be provided, and voltage x current monitoring gauge outfit is provided；Carry
Inputted for approach switch sensor signal；The input of various discrete amount is provided；Detection discrete magnitude output indicator is provided；There is provided from
Dissipate amount output loading；Various signal input/output instrument connections are provided.User of service operates all kinds of switches in testboard panel, leads to
The show value and instruction lamp on/off state crossed on observation voltage/current table, the items of proximity switch control assembly can be efficiently accomplished
Performance test.
Wherein, leakage current test interface is used for the test instrumentation of connecting test Leakage Current size, and voltage-regulation is regulation
28VDC output voltage sizes, 28V power supplys verification holes are used for testing output 28V voltages, and FLT/GND BUS power switches are used
To control the output of output 28V power supplys, BUS#3 power switches control the road power supply output, 220VAC power switches to be used for controlling
The input of 220V power supplys.
The other parts of the present embodiment are same as Example 1, therefore repeat no more.
Embodiment 4：
Need first to follow the steps below to testboard when testing proximity switch control assembly in the present embodiment
Preparation before examining and testing, to ensure that subsequently the test to control assembly can be accurate.
1) prepare before test
1st step：Front panel " 220VAC " switch is thrown down, all toggle switch thrown down or centre position, exact p-value
On platform without excess wire or other conductive materials after, by feed cable by workshop 220VAC plant-grid connection testboards.
2nd step：Front panel " 220VAC " switch is thrown, confirms that 220VAC indicator lamps and gauge outfit will switches after all lighting
Throw down.
3rd step：Measured piece is connected to testboard by logical test cable.
2) test
4th step：Front panel " 220VAC " switch is thrown, then tested according to testing process on CMM handbooks.
3) test is completed
5th step：Front panel " 220VAC " switch is thrown down.
6th step：All lines are disconnected, equipment is preserved by regulation.
In addition also need to pay attention to following points for attention when in use：
1) be powered before confirm front panel " 220VAC ", " BUS#3 ", " FLT/GND BUS " switch throw down, conscientiously check ensure
There is no the Excess conductive things such as the wire of suspension on testboard.
2) measured piece plug please don't be plugged, switches off all or throw down after being completed, disconnect all cables.
3) " 220VAC " switch when being in an emergency, is please first closed.
Power failure：
1) 220VAC power supply indicators do not work：Check whether 220VAC power lines break, whether insurance burns, and indicator lamp is
No damage.
2) exported without 28VDC power supplys：Check whether 28VDC Switching Power Supplies are working properly, and whether switch wire connection is correct.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (9)
1. proximity switch control assembly testboard, carries out the test of MUT module under test performance after being connected with MUT module under test, its feature exists
In：The testboard includes cabinet, the control panel being arranged on cabinet and is arranged at the power module of cabinet inside, signal
Input module, signal output module, load blocks；Be provided with the control panel access power module display module, with
The indicating module of load blocks connection；The MUT module under test respectively with power module, signal input module, signal output module,
Load blocks are connected；
The signal input module include approach switch sensor input signal circuit, discrete magnitude input signal circuit,
ARINC429 signal circuits, RS232 signal circuits；The signal output module includes discrete magnitude output signal circuit；
The power module, it is connected with signal input module, MUT module under test and powers respectively respectively；
The approach switch sensor input signal circuit, pass through the approach switch sensor input signal interface on control panel
It is connected with MUT module under test and sends simulation approach switch sensor signal to MUT module under test；
The discrete magnitude input signal circuit, it is connected simultaneously with MUT module under test by the discrete magnitude input signal interface on control panel
Discrete magnitude input signal is sent to MUT module under test；
The ARINC429 signal circuits, it is connected by the ARINC429 signaling interfaces on control panel with MUT module under test and to quilt
Survey component and send ARINC429 signals；
The RS232 signal circuits, it is connected by the RS232 signaling interfaces on control panel with MUT module under test and to MUT module under test
Send RS232 signals；
The discrete magnitude output signal circuit, it is connected simultaneously with MUT module under test by the discrete magnitude output signal interface on control panel
Receive the discrete magnitude output signal that MUT module under test is sent；
The load blocks, it is connected with the output end of MUT module under test and carries out load feedback.
2. proximity switch control assembly testboard according to claim 1, it is characterised in that：The approach switch sensor
Input signal circuit includes the branch of a plurality of separate analogue approach switch sensor input signal, and any one branch is mainly by phase
Resistance, the inductance mutually connected form, and value, the value of inductance of resistance are incomplete same in different branches.
3. proximity switch control assembly testboard according to claim 2, it is characterised in that：The branch is that 57 tunnels are mutual
Independent branch.
4. proximity switch control assembly testboard according to claim 1, it is characterised in that：The load blocks include two
The separate 8-995 loads of group, 8-678 loads；On the control panel include connect 8-995 load 8-995 loading interfaces,
Connect the 8-678 loading interfaces and load switching switch of 8-678 loads；It is described load switching switch input connect testing component and
Two inputs of load switching switch connect 8-995 loading interfaces, 8-678 loading interfaces respectively, the load switching switch
Hilted broadsword switches over operation between 8-995 is loaded, 8-678 is loaded, and 8-995 loads or 8-678 loads are connected with testing component
Connect.
5. proximity switch control assembly testboard according to claim 4, it is characterised in that：The indicating module includes setting
8-995 load output indicators and 8-678 load output indicators on the control panel is put, the 8-995 loads output refers to
Show that lamp is connected with 8-995 loads, 8-678 loads are connected with 8-678 load output indicators.
6. proximity switch control assembly testboard according to claim 5, it is characterised in that：The 8-995 loads output
Indicator lamp is identical with 8-678 load output indication modulated structures, is mainly formed in parallel by resistance and Light-Emitting Diode so as to negative
Signal output is carried to be indicated.
7. proximity switch control assembly testboard according to claim 1, it is characterised in that：The display module includes setting
Put the ammeter of D.C. voltmeter and amount that range on the control panel is 0 ~ 50V as 0 ~ 10V, the D.C. voltmeter and
Ammeter is respectively connected to power module.
8. proximity switch control assembly testboard according to claim 1, it is characterised in that：Also set on the control panel
It is equipped with the leakage current test interface being connected respectively with power module, voltage-regulation knob, 28V power supplys verification holes, FLT/GND BUS
Power switch, BUS #3 power switches, 220VAC power switches.
9. proximity switch control assembly testboard according to claim 1, it is characterised in that：The cabinet is standard 10U
Cabinet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721165159.4U CN207114725U (en) | 2017-09-12 | 2017-09-12 | Proximity switch control assembly testboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721165159.4U CN207114725U (en) | 2017-09-12 | 2017-09-12 | Proximity switch control assembly testboard |
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| CN207114725U true CN207114725U (en) | 2018-03-16 |
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| CN112748324A (en) * | 2020-12-18 | 2021-05-04 | 中广核核电运营有限公司 | Fixed value station manual operator test detection device |
| CN112748324B (en) * | 2020-12-18 | 2023-08-18 | 中广核核电运营有限公司 | Fixed value station manual operator test detection device |
| CN116500429A (en) * | 2023-03-16 | 2023-07-28 | 深圳市志奋领科技有限公司 | Proximity switch surge testing device and method |
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