CN209327819U - A kind of pulsed quantity signal input part daughter board - Google Patents
A kind of pulsed quantity signal input part daughter board Download PDFInfo
- Publication number
- CN209327819U CN209327819U CN201821955237.5U CN201821955237U CN209327819U CN 209327819 U CN209327819 U CN 209327819U CN 201821955237 U CN201821955237 U CN 201821955237U CN 209327819 U CN209327819 U CN 209327819U
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- China
- Prior art keywords
- pulsed quantity
- signal input
- quantity signal
- daughter board
- input part
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Abstract
The utility model discloses a kind of pulsed quantity signal input part daughter boards, are related to industrial control system apparatus field.Including connection terminal module, signal conditioning circuit, module link block, first side of connection terminal module is connected with live pulsed quantity input signal, connecting terminal side second side connects the input terminal of the signal conditioning circuit, the output end of the signal conditioning circuit is connected with the module link block, and pulsed quantity signal is transmitted to external module by cable by the module link block.The utility model facilitates the wiring and adjustment of live pulsed quantity input signal；So that system installation and in the debugging stage it is time saving and energy saving, be not easy to make mistakes, fault point can be preferably minimized；Not only beautiful but also quick, and very convenient inspection and replacement in the day-to-day operation maintenance after putting into operation.
Description
Technical field
The utility model relates to industrial control system apparatus field more particularly to a kind of pulsed quantity signal input part daughter boards.
Background technique
DCS control system (Distributed Control System, scattered control system) is with modern large-scale work
The continuous complex control system risen and the increasingly complexity of process control requirements is come into being of industry production automation, it is main special
Sign centralized management and decentralised control.For being mainly used in the control system of thermal power generation unit, power station control system etc. at present
It requires to acquire a large amount of on-site signal, and these signals is handled and monitored, and by control logic to field device
It is controlled.
The on-site signal of the usually DCS system of scale has thousands of contacts at present, and the acquisition of signal and transmission are whole
It is again particularly important, therefore wiring heavy workload in a control system, fault point is more, and to the maintenance of system and checks work
Make inconvenience all at current urgent problem.
Therefore, those skilled in the art is dedicated to developing a kind of pulsed quantity input signal terminal plate.
Utility model content
In view of the above drawbacks of the prior art, technical problem to be solved in the utility model is in DCS system
Pulsed quantity input signal, how to facilitate the wiring and adjustment of live pulsed quantity input signal so that system install and adjust
It is time saving and energy saving in the examination stage, it is not easy to make mistakes, fault point can be preferably minimized, it is not only beautiful but also quick, and after putting into operation
Day-to-day operation very convenient inspection and replacement when safeguarding.
To achieve the above object, the utility model provides a kind of pulsed quantity signal input part daughter board.Including connecting terminal
Module, signal conditioning circuit, module link block.The first side of connection terminal module is connected with live pulsed quantity input signal, connects
Line terminals side second side connection signal treatment loop input terminal, signal conditioning circuit output end are connected with module link block, mould
Pulsed quantity input signal is transmitted to external module by cable by part link block.
Further, the pulsed quantity signal input part daughter board further includes status indicator lamp, described in status indicator lamp reflection
Connection terminal module on off operating mode.
Further, the pulsed quantity signal input part daughter board further includes self- recoverage security circuit, self- recoverage security circuit
Can prevent external forceful electric power seals in damage module, and there is self- recoverage insurance function in each channel, effectively protects circuit peace
Entirely.
Further, the connection terminal module includes 32 fence type connecting terminals, receives the pulsed quantity letter in 16 channels
Number input signal.
Further, the signal conditioning circuit includes double contact pin and diode.
Further, the double contact pin is the double contact pin of 2x4.
Further, the diode is 1n4005.
Further, the signal conditioning circuit has double contact pin wire jumper, realizes that " NPN is defeated by different contact pin wire jumpers
Enter ", " PNP input " and " active input ".
Further, module link block is 37 core D type sockets.
Further, the quantity of the D type socket is two.
The technical effect that the utility model obtains is as follows:
Facilitate the wiring and adjustment of live pulsed quantity input signal；
So that system installation and in the debugging stage it is time saving and energy saving, be not easy to make mistakes, fault point can be preferably minimized；
Not only beautiful but also quick, and very convenient inspection and replacement in the day-to-day operation maintenance after putting into operation.
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Detailed description of the invention
Fig. 1 is the circuit diagram of a preferred embodiment of the utility model；
Fig. 2 is the terminal connections schematic diagram of a preferred embodiment of the utility model.
Specific embodiment
Multiple preferred embodiments that the utility model is introduced below with reference to Figure of description, keep its technology contents clearer
Be easy to understand.The utility model can be emerged from by many various forms of embodiments, the protection of the utility model
Range is not limited only to the embodiment mentioned in text.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and the utility model is not
Limit the size and thickness of each component.Apparent in order to make to illustrate, some places suitably exaggerate the thickness of component in attached drawing.
As shown in Figure 1, JX1 is fence type connecting terminal, a device has eight connecting terminals, four channels, this implementation
Example includes 4 same fence type connecting terminal devices.JP1 is double contact pin, makees wire jumper selection and uses.When JP1 jumper
It is active input mode when 6-7 for 2-3；When JP1 jumper is 1-2, when 3-7,4-8, formed with diode D1 in circuit
PNP input mode；When JP1 jumper is 1-5, when 2-6,7-8, NPN input mode is formed with diode D1 in circuit.By
Pulsed quantity signal after wire jumper selection is transmitted to 37 core D type sockets, and 16 channel signals pass through cable by two 37 core D type sockets again
It is connected to two piece of eight channel pulse amount inputting modular unit, carries out the acquisition and counting of signal.D17 is status indicator lamp, plays power supply shape
The effect of state instruction, F17 are self- recoverage security circuit, play overload protective function to electric power loop, F1 is that single channel self- recoverage is protected
Dangerous function, effectively protects circuit safety.
As shown in Fig. 2, 1A, 1B represent first passage connecting terminal, pulsed quantity signal is inputted by connection terminal module.
Pulsed quantity signal is a kind of signal in control system, and for the utility model, signal input part daughter board is unlimited
Due to the structure and form being previously mentioned in the utility model, similar structures can also be used for other control signals.Signal is defeated
Enter and other many contents, such as measurement circuit, instruction structure etc. also can be set in terminal board.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that this field ordinary skill without
It needs creative work according to the present utility model can conceive and makes many modifications and variations.Therefore, it is all in the art
Technical staff passes through logical analysis, reasoning, or a limited experiment according to the design of the utility model on the basis of existing technology can
It, all should be within the scope of protection determined by the claims with obtained technical solution.
Claims (10)
1. a kind of pulsed quantity signal input part daughter board, which is characterized in that including connection terminal module, signal conditioning circuit and module
Link block, first side of connection terminal module are connected with live pulsed quantity input signal, connecting terminal side second side
The input terminal of the signal conditioning circuit is connected, the output end of the signal conditioning circuit is connected with the module link block,
Pulsed quantity signal is transmitted to external module by cable by the module link block.
2. pulsed quantity signal input part daughter board as described in claim 1, which is characterized in that the pulsed quantity signal input terminal
Plate further includes status indicator lamp.
3. pulsed quantity signal input part daughter board as claimed in claim 1 or 2, which is characterized in that the pulsed quantity signal input
Terminal board further includes self- recoverage security circuit, and the self- recoverage security circuit prevents sealing in for external forceful electric power, and each channel has
Self- recoverage insurance function.
4. pulsed quantity signal input part daughter board as described in claim 1, which is characterized in that the connection terminal module includes 32
A fence type connecting terminal receives the pulsed quantity signal input signal in 16 channels.
5. pulsed quantity signal input part daughter board as described in claim 1, which is characterized in that the signal conditioning circuit includes double
Socket needle and diode.
6. pulsed quantity signal input part daughter board as described in claim 1, which is characterized in that the signal conditioning circuit has double
Socket needle wire jumper realizes " NPN input ", " PNP input " and " active input " by different contact pin wire jumpers.
7. pulsed quantity signal input part daughter board as described in claim 1, which is characterized in that the module link block is 37 cores
D type socket.
8. pulsed quantity signal input part daughter board as claimed in claim 7, which is characterized in that the quantity of the D type socket is two
It is a.
9. pulsed quantity signal input part daughter board as claimed in claim 5, which is characterized in that the double contact pin is that 2x4 is double
Contact pin.
10. pulsed quantity signal input part daughter board as claimed in claim 9, which is characterized in that the diode is 1n4005.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821955237.5U CN209327819U (en) | 2018-11-26 | 2018-11-26 | A kind of pulsed quantity signal input part daughter board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821955237.5U CN209327819U (en) | 2018-11-26 | 2018-11-26 | A kind of pulsed quantity signal input part daughter board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209327819U true CN209327819U (en) | 2019-08-30 |
Family
ID=67711469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821955237.5U Active CN209327819U (en) | 2018-11-26 | 2018-11-26 | A kind of pulsed quantity signal input part daughter board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209327819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045405A (en) * | 2019-12-16 | 2020-04-21 | 上海新华控制技术集团科技有限公司 | Switching value switching output terminal board |
-
2018
- 2018-11-26 CN CN201821955237.5U patent/CN209327819U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045405A (en) * | 2019-12-16 | 2020-04-21 | 上海新华控制技术集团科技有限公司 | Switching value switching output terminal board |
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