CN111045405A - Switching value switching output terminal board - Google Patents
Switching value switching output terminal board Download PDFInfo
- Publication number
- CN111045405A CN111045405A CN201911295296.3A CN201911295296A CN111045405A CN 111045405 A CN111045405 A CN 111045405A CN 201911295296 A CN201911295296 A CN 201911295296A CN 111045405 A CN111045405 A CN 111045405A
- Authority
- CN
- China
- Prior art keywords
- circuit
- signal
- output
- switching
- terminal board
- 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.)
- Pending
Links
- 238000011084 recovery Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000013024 troubleshooting Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 3
- 238000004886 process control Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 102220005402 rs33939421 Human genes 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33273—DCS distributed, decentralised controlsystem, multiprocessor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Electronic Switches (AREA)
Abstract
The invention discloses a switching value switching output terminal board, which relates to the field of industrial control and comprises an active/passive signal output circuit, an indicator lamp and a protection circuit, a 24 VDC-5 VDC circuit, a DO signal switching circuit, a D-type 37-core terminal wiring circuit and a DO signal output circuit. The active/passive signal output circuit has two DO output modes, the active/passive signal output circuit is connected with the 24 VDC-to-5 VDC circuit through the indicator lamp and the protection circuit, and the output signal is transmitted to the D-type 37-core terminal wiring circuit through the DO signal switching circuit selection channel and is finally output through the DO signal output circuit. The invention improves the signal switching precision, facilitates the measurement and troubleshooting of the DO signal and improves the working efficiency through the seamless switching of the DO signal among all the systems and all the circuits.
Description
Technical Field
The invention relates to the field of industrial control, in particular to a switching value switching output terminal board.
Background
The DCS System (Distributed Control System) has a chinese meaning of "Distributed Control System", which is also called a Distributed Control System. The DCS system is a new Control system developed from the viewpoint of comprehensive automation by integrating process Control and process monitoring together with 4C technology, Computer, Communication, display (CRT) and Control (Control) in order to meet the requirements of large-scale industrial production and increasingly complex process Control. At present, a DCS (distributed control system) control cabinet mainly adopts a traditional wiring mode, and has the disadvantages of complex field wiring, low efficiency and difficult signal fault troubleshooting. The traditional wiring mode cannot meet the requirements of a DCS system for efficiently collecting, switching and transmitting a large amount of DO signals. Therefore, how to perform DO signal acquisition, switching and transmission with high efficiency and high precision is one of the problems to be solved urgently.
Therefore, those skilled in the art have made efforts to develop a terminal block applicable to the DCS system, which can efficiently collect, relay, and transmit the DO signal.
Disclosure of Invention
In view of the above defects in the prior art, the technical problem to be solved by the present invention is how to implement seamless switching of a DO signal between systems and circuits in a DCS field control cabinet, so as to improve the signal switching accuracy and facilitate measurement and troubleshooting of the DO signal. In order to achieve the above purpose, the present invention provides a switching value switching output terminal board, which comprises an active/passive signal output circuit, an indicator lamp and a protection circuit, a 24VDC to 5VDC circuit, a DO signal switching circuit, a D-type 37-core terminal wiring circuit and a DO signal output circuit, wherein the active/passive signal output circuit has two DO output modes, the active/passive signal output circuit is connected with the 24VDC to 5VDC circuit through the indicator lamp and the protection circuit, and an output signal is selected by the DO signal switching circuit, transmitted to the D-type 37-core terminal wiring circuit and finally output through the DO signal output circuit.
Further, the active/passive signal output circuit can realize two DO output modes of 24VDC or 48VDC voltage type and output signal passive type through a double-row pin jumper.
Further, the indicator lamp and the status indicator lamp of the protection circuit may display the on-off state of the relay terminal board.
Furthermore, the self-recovery fuse loop of the indicator light and the protection circuit is provided with a self-recovery fuse, so that the module can be prevented from being damaged due to the fact that external strong electricity is connected in series.
Further, the D-type 37-core terminal wiring circuit transmits the DO signal to the conversion module in the terminal board through the cable, thereby realizing the DO signal switching and the like.
Further, the DO signal switching circuit has 32 paths.
Furthermore, double rows of pins of the DO signal switching circuit are used for selecting a jumper wire.
Further, the switching value output card is connected with the DO signal switching circuit through a D-shaped 37-core terminal wiring circuit.
Further, the input voltage of the 24VDC to 5VDC circuit is 24VDC, the output voltage is 5VDC, and the relay of the DO signal switching circuit is powered.
Further, the DO signal output circuit is used for outputting the switched DO signal with high precision.
The technical effects are as follows:
1. the seamless switching of DO signals among various systems and various circuits on the site of the DCS is realized.
2. The signal switching precision of the DCS is improved, the measurement, the fault troubleshooting and the like of the DO signal are facilitated, and the working efficiency is improved.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic diagram of an active/passive signal output circuit implemented in accordance with the present invention;
FIG. 2 is a schematic diagram of an indicator light and protection circuit implemented in accordance with the present invention;
FIG. 3 is a schematic diagram of a 24VDC to 5VDC circuit implemented by the present invention;
FIG. 4 is a schematic diagram of a DO signal switching circuit according to the present invention;
FIG. 5 is a schematic diagram of a D-type 37 core terminal wiring implemented in accordance with the present invention;
FIG. 6 is a schematic diagram of a DO signal output terminal implemented by the present invention.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
As shown in fig. 1, in the schematic diagram of the active and passive signal output circuit, PW1 is a power module, 24V is input and output to 48V, and when JP101 is shorted to 1(E24V) and 2 pins (EV), and JP102 is shorted to 1(AGND) and 2 pins (EGND), 24VDC is output by 1(EGND) and 4(EV) pins of JP1 and JP2 in fig. 4. When the JP101 short circuits the 2(EV) and 3(E48V) pins and the JP102 short circuits the 2(EGND) and 3(48GND) pins, 48VDC is output by the 1(EGND) and 4(EV) pins of JP1 and JP2 in FIG. 4.
As shown in fig. 2, in the schematic diagram of the indicator light and the protection circuit, D3 is used for indicating the power state, and F1 is a self-recovery fuse which can protect the input power from overload.
As shown in fig. 3, in the schematic diagram of the 24 VDC-to-5 VDC circuit, U2 is a power module, and the input voltage is 24VDC and the output voltage is 5VDC, which supplies power to pins 1 and 3 of the relay AC 30F.
As shown in fig. 4, in the schematic diagram of the DO signal switching circuit, there are 32 DO signal switching channels, and each channel has the same principle, and only a single channel is described here. JP1 is double row pin, uses as jumper selection, and is wet node when JP1 and JP2 short circuit 1, 2 feet and 3, 4 feet, and is dry node when JP1 and JP2 short circuit 3, 4 feet.
As shown in fig. 5, in the wiring diagram of the D-type 37-core terminal, P1 is a D-type 37-core socket, and the switching value output card (PXI7811) is connected to the DO signal switching circuit through P1.
As shown in fig. 6, in the schematic diagram of the DO signal output terminal, T1 and T2 are 32-way DO signal output terminals, since the T1 and T2 signal ports are defined the same, only the circuit schematic diagram of T1 is shown in this specification, and T1 and T2 are output of the switched DO signal in fig. 4.
While the preferred embodiment of the present invention has been described in detail, the switching value output signal is only one type of signal in the control system, and the signal interface terminal block is not limited to the structure and form mentioned in the present invention, and similar structures can be adopted for other control signals. Many other things can be provided in the signal interface terminal block, such as test lines, indicating structures, etc. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A switching value switching output terminal board is characterized by comprising an active/passive signal output circuit, an indicator lamp and protection circuit, a 24 VDC-to-5 VDC circuit, a DO signal switching circuit, a D-type 37-core terminal wiring circuit and a DO signal output circuit, wherein the active/passive signal output circuit has two DO output modes, the active/passive signal output circuit is connected with the 24 VDC-to-5 VDC circuit through the indicator lamp and the protection circuit, and an output signal is selected through the DO signal switching circuit, transmitted to the D-type 37-core terminal wiring circuit and finally output through the DO signal output circuit.
2. The switching value changeover output terminal board according to claim 1, wherein the active/passive signal output circuit can realize both a "24 VDC or 48VDC voltage type" and an "output signal passive" DO output manner by a double row pin jumper.
3. The switching value changeover output terminal board according to claim 1, wherein the indicator lamp and the status indicator lamp of the protection circuit can display the on-off state of the changeover terminal board.
4. The switching value switching output terminal block according to claim 1, wherein the self-recovery fuse circuit of the indicator lamp and the protection circuit has a self-recovery fuse for preventing the module from being damaged by the external strong current.
5. The switching value switching output terminal board according to claim 1, wherein the D-type 37-core terminal wiring circuit transmits the DO signal to the conversion module in the terminal board through a cable, thereby performing DO signal switching and the like.
6. The switching value switching output terminal board according to claim 1, wherein the DO signal switching circuit has 32 paths in total.
7. The switching value switching output terminal board according to claim 1, wherein the double row pins of the DO signal switching circuit are used for jumper selection.
8. The switching value changeover output terminal board according to claim 1, wherein the switching value output card is connected to the DO signal changeover circuit through the D-type 37-core terminal wiring circuit.
9. The switching value changeover output terminal board according to claim 1, wherein the 24VDC to 5VDC circuit has an input voltage of 24VDC and an output voltage of 5VDC to supply power to the relay of the DO signal changeover circuit.
10. The switching value changeover output terminal board according to claim 1, wherein the DO signal output circuit is adapted to output the switched DO signal with high accuracy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911295296.3A CN111045405A (en) | 2019-12-16 | 2019-12-16 | Switching value switching output terminal board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911295296.3A CN111045405A (en) | 2019-12-16 | 2019-12-16 | Switching value switching output terminal board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111045405A true CN111045405A (en) | 2020-04-21 |
Family
ID=70236977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911295296.3A Pending CN111045405A (en) | 2019-12-16 | 2019-12-16 | Switching value switching output terminal board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111045405A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0489394A2 (en) * | 1990-12-06 | 1992-06-10 | Matsushita Electric Industrial Co., Ltd. | Semiconductor integrated circuit |
| CN2615786Y (en) * | 2003-04-21 | 2004-05-12 | 上海新华控制技术(集团)有限公司 | Modular field signal interface fastener for dispersion controlling system |
| EP2782213A1 (en) * | 2013-03-22 | 2014-09-24 | ALSTOM Transport SA | Monitoring and control system and method for monitoring and controlling |
| CN107208993A (en) * | 2014-12-03 | 2017-09-26 | 通用电气公司 | Universal input and output interface |
| CN107546741A (en) * | 2017-09-01 | 2018-01-05 | 中电普瑞科技有限公司 | A kind of low-voltage network power quality controlling device general purpose controller |
| CN209201394U (en) * | 2018-09-28 | 2019-08-02 | 莱芜钢铁集团电子有限公司 | A kind of DO high-speed wiring terminal block |
| CN209327819U (en) * | 2018-11-26 | 2019-08-30 | 上海新华控制技术集团科技有限公司 | A kind of pulsed quantity signal input part daughter board |
| CN209764909U (en) * | 2018-11-26 | 2019-12-10 | 上海新华控制技术集团科技有限公司 | Special switching terminal board of 37 cores |
-
2019
- 2019-12-16 CN CN201911295296.3A patent/CN111045405A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0489394A2 (en) * | 1990-12-06 | 1992-06-10 | Matsushita Electric Industrial Co., Ltd. | Semiconductor integrated circuit |
| CN2615786Y (en) * | 2003-04-21 | 2004-05-12 | 上海新华控制技术(集团)有限公司 | Modular field signal interface fastener for dispersion controlling system |
| EP2782213A1 (en) * | 2013-03-22 | 2014-09-24 | ALSTOM Transport SA | Monitoring and control system and method for monitoring and controlling |
| CN107208993A (en) * | 2014-12-03 | 2017-09-26 | 通用电气公司 | Universal input and output interface |
| CN107546741A (en) * | 2017-09-01 | 2018-01-05 | 中电普瑞科技有限公司 | A kind of low-voltage network power quality controlling device general purpose controller |
| CN209201394U (en) * | 2018-09-28 | 2019-08-02 | 莱芜钢铁集团电子有限公司 | A kind of DO high-speed wiring terminal block |
| CN209327819U (en) * | 2018-11-26 | 2019-08-30 | 上海新华控制技术集团科技有限公司 | A kind of pulsed quantity signal input part daughter board |
| CN209764909U (en) * | 2018-11-26 | 2019-12-10 | 上海新华控制技术集团科技有限公司 | Special switching terminal board of 37 cores |
Non-Patent Citations (1)
| Title |
|---|
| 姚立波: "工业控制技术及应用", 《工业控制技术及应用》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101322209A (en) | Method for monitoring protection apparatus connected on upriver part of switch apparatus | |
| CN215120824U (en) | Chip communication management system | |
| CN100367619C (en) | Power supply method of communicator and monitoring module | |
| CN111045405A (en) | Switching value switching output terminal board | |
| CN102523141B (en) | Method for networking and cascading electronic equipment by using universal serial port technique | |
| CN115981227A (en) | Intrinsic safety explosion-proof remote redundant IO substation device | |
| CN213754821U (en) | Alarm interface board | |
| EP4300733A1 (en) | New-type bus power distribution micromodule | |
| CN215643917U (en) | Explosion-proof electromagnet module based on CAN communication and control system thereof | |
| CN202050291U (en) | Distribution network automation feeder terminal | |
| CN209764909U (en) | Special switching terminal board of 37 cores | |
| CN209765328U (en) | industrial-grade remote IO module based on EtherCAT | |
| CN209327819U (en) | A kind of pulsed quantity signal input part daughter board | |
| CN102759674B (en) | Universal adapter for testing optocouplers | |
| CN101477922B (en) | Motherboard electric connection construction for controlling protection electric appliance | |
| CN202213598U (en) | ZD6 electric point machine circuit board | |
| CN112820492A (en) | Explosion-proof electromagnet module based on CAN communication and control system thereof | |
| CN216083039U (en) | Valve-controlled power supply monitoring system based on optical signals and power supply control system | |
| CN110890920A (en) | High-voltage chain type SVG (static var generator) -based hybrid ring network communication model | |
| CN216086250U (en) | Power transmitter power supply circuit based on generating set | |
| CN221202229U (en) | Multifunctional power distribution terminal debugging tool | |
| CN216051996U (en) | Relay protection device is examined debug test case surely | |
| CN217849046U (en) | Intelligent ring main unit | |
| CN214542946U (en) | Novel bus distribution micromodule | |
| CN212301775U (en) | Contactor fault intelligent diagnosis device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200421 |
|
| RJ01 | Rejection of invention patent application after publication |