CN210573270U - Process instrument system - Google Patents
Process instrument system Download PDFInfo
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- CN210573270U CN210573270U CN201921275239.4U CN201921275239U CN210573270U CN 210573270 U CN210573270 U CN 210573270U CN 201921275239 U CN201921275239 U CN 201921275239U CN 210573270 U CN210573270 U CN 210573270U
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Abstract
The utility model provides a process instrumentation system, include: the system comprises a sensor subsystem, a transmitter subsystem, a display subsystem and a first switch module; a sensor subsystem, comprising: a first processor, at least one sensor, and a first communication interface; a transmitter subsystem, comprising: the second processor, the second communication interface, the third communication interface and the fourth communication interface; a display subsystem, comprising: the human-computer interface processor, the display and the fifth communication interface; the first switch module is respectively connected with the display and the second processor; when the first switch module is disconnected, the first switch module triggers the display to be turned off and triggers the second processor to stop outputting the data to be displayed to the third communication interface; when the first switch module is closed, the first switch module triggers the display to be opened and triggers the second processor to output data to be displayed to the third communication interface. The utility model provides a process instrument system can reduce the resource that process instrument system consumed.
Description
Technical Field
The utility model relates to the field of electronic technology, in particular to process instrument system.
Background
Process instrumentation systems are usually composed of a Sensor subsystem (SSS), a Transmitter subsystem (TASS) and a Display subsystem (DSS), which communicate with one another. The sensor subsystem is mainly used for collecting industrial data through sensors, such as: temperature, pressure, flow, level, etc. The transmitter subsystem is mainly used for converting the industrial data, sending the converted industrial data to an upper-layer control system, generating data to be displayed and outputting the data to be displayed to the display subsystem. The display subsystem is mainly used for displaying data to be displayed sent by the transmitter subsystem.
In the existing process instrument system, as long as industrial data is sent from the sensor subsystem, the transmitter subsystem can convert the industrial data into data to be displayed and send the data to the display subsystem. The data to be displayed is mainly bitmap data or dot matrix data, and for the transmitter subsystem, more resources, such as resources of a CPU, a memory, and the like, are consumed for transmitting the data to be displayed to the display subsystem.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a process instrumentation system can reduce the resource of process instrumentation system consumption.
An embodiment of the utility model provides a process instrumentation system, include:
the system comprises a sensor subsystem, a transmitter subsystem, a display subsystem and a first switch module;
wherein the sensor subsystem comprises: a first processor, at least one sensor, and a first communication interface;
the at least one sensor is connected with the first processor, and the first processor is connected with the first communication interface;
the transmitter subsystem, comprising: the second processor, the second communication interface, the third communication interface and the fourth communication interface;
the second processor is respectively connected with the second communication interface, the third communication interface and the fourth communication interface, the second communication interface is connected with the first communication interface, and the fourth communication interface is connected with an external control system;
the display subsystem, comprising: a Human Machine Interface (HMI) processor, a display, and a fifth communication Interface;
the human-computer interface processor is respectively connected with the fifth communication interface and the display, and the fifth communication interface is connected with the third communication interface;
the first switch module is connected with the display, and the first switch module is connected with the second processor;
when the first switch module is switched off, the first switch module triggers the display to be turned off and triggers the second processor to stop outputting data to be displayed to the third communication interface;
when the first switch module is closed, the first switch module triggers the display to be opened, and triggers the second processor to output the data to be displayed to the third communication interface.
Alternatively,
the process instrumentation system further comprises: a second switch module;
the second switch module is connected with the second processor;
when the second switch module is turned off, the second switch module triggers the second processor to stop outputting the data to be displayed to the third communication interface.
Alternatively,
the process instrumentation system further comprises: a third switch module;
the third switch module is connected with the human-computer interface processor;
when the third switch module is disconnected, the third switch module triggers the human-computer interface processor to stop receiving the data to be displayed transmitted through the fifth communication interface;
when the third switch module is closed, the third switch module triggers the human-computer interface processor to receive the data to be displayed transmitted through the fifth communication interface.
Alternatively,
the display subsystem further comprises: at least one light emitting diode;
the at least one light emitting diode is connected with the human-computer interface processor.
Alternatively,
the display subsystem further comprises: an industrial internet of things interface for connecting the internet of things adapter;
the industrial Internet of things interface is connected with the human-computer interface processor.
Alternatively,
the first switch module is connected with a communication control pin of the second processor, wherein when the communication control pin is at a high level, the second processor outputs a signal to a communication pin connected with the third communication interface, and when the communication control pin is at a low level, the second processor stops outputting the signal to the communication pin connected with the third communication interface;
when the first switch module is disconnected, the first switch module outputs a low level to the communication control pin;
when the first switch module is closed, the first switch module outputs a high level to the communication control pin.
Alternatively,
the first switch module includes: the display switch and the rectification voltage stabilizing circuit;
the display switch is arranged on a power supply line of the display;
the display switch is connected with the input end of the rectification voltage stabilizing circuit through the power supply line;
the output end of the rectification voltage stabilizing circuit is connected with a communication control pin of the second processor;
when the display switch is switched off, the power supply line stops supplying power to the display screen, the power supply line stops outputting electric signals to the input end of the rectification voltage stabilizing circuit, and the output end of the rectification voltage stabilizing circuit outputs low level;
when the display switch is closed, the power supply line supplies power to the display screen, the power supply line outputs an electric signal to the input end of the rectification voltage stabilizing circuit, and the output end of the rectification voltage stabilizing circuit outputs a high level.
Alternatively,
the second switch module is connected in series between the first switch module and the second processor.
Alternatively,
the display subsystem further comprises: an artificial intelligence chip;
and the artificial intelligence chip is connected with the fifth communication interface.
The embodiment of the utility model provides an in, when first switch module is by the disconnection, the display is closed, the display can't show, first switch module can trigger the second treater and stop waiting to show data to third communication interface output, that is to say, under first switch module's control, under the condition that the display does not show, the transmitter subsystem also can not wait to show data to the transmission of display subsystem, the transmitter subsystem need not to wait to show data and consume the resource because the transmission, and then has reduced the resource of process instrument system consumption.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a process instrumentation system according to one embodiment of the present invention;
FIG. 2 is a schematic diagram of another process instrumentation system provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram of yet another process instrumentation system provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a first switch module according to an embodiment of the present invention;
fig. 5 is a schematic diagram of yet another process instrumentation system according to an embodiment of the present invention.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
As shown in FIG. 1, an embodiment of the present invention provides a process instrumentation system, including:
the system comprises a sensor subsystem 1, a transmitter subsystem 2, a display subsystem 3 and a first switch module 4;
wherein, the sensor subsystem 1 comprises: a first processor 11, at least one sensor 12 and a first communication interface 13;
the at least one sensor 12 is connected to the first processor 11, and the first processor 11 is connected to the first communication interface 13;
the transmitter subsystem 2 includes: a second processor 21, a second communication interface 22, a third communication interface 23 and a fourth communication interface 24;
the second processor 21 is connected to the second communication interface 22, the third communication interface 23 and the fourth communication interface 24, respectively, the second communication interface 22 is connected to the first communication interface 13, and the fourth communication interface 24 is connected to an external control system;
the display subsystem 3 includes: a human-machine interface processor 31, a display 32 and a fifth communication interface 33;
the human-computer interface processor 31 is respectively connected with the fifth communication interface 33 and the display 32, and the fifth communication interface 33 is connected with the third communication interface 23;
the first switch module 4 is connected with the display 32, and the first switch module 4 is connected with the second processor 21;
when the first switch module 4 is turned off, the first switch module 4 triggers the display 32 to be turned off, and triggers the second processor 21 to stop outputting the data to be displayed to the third communication interface 23;
when the first switch module 4 is closed, the first switch module 4 triggers the display 32 to be opened, and triggers the second processor 21 to output the data to be displayed to the third communication interface 23.
The embodiment of the utility model provides an in, when first switch module is by the disconnection, the display is closed, the display can't show, first switch module can trigger the second treater and stop waiting to show data to third communication interface output, that is to say, under first switch module's control, under the condition that the display does not show, the transmitter subsystem also can not wait to show data to the transmission of display subsystem, the transmitter subsystem need not to wait to show data and consume the resource because the transmission, and then has reduced the resource of process instrument system consumption.
In addition, the display can be turned on and off through the first switch module, and the second processor can stop outputting data to be displayed to the third communication interface under the condition that the display is turned off, so that the power consumption of the whole process instrument system is greatly reduced.
The embodiment of the utility model provides a process instrumentation's working process as follows:
the sensor collects industrial data and sends the industrial data to the first processor, and the first processor sends the industrial data to the second communication interface through the first communication interface;
the second communication interface sends the industrial data to the second processor, after the second processor finishes processing, the converted industrial data is sent to an upper control system through a fourth communication interface, data to be displayed is generated, and the data to be displayed is sent to a third communication interface;
the third communication interface sends the data to be displayed to the fifth communication interface, the fifth communication interface sends the data to be displayed to the human-computer interface processor, and the human-computer interface processor displays the content corresponding to the data to be displayed through the display.
Wherein, the control system includes: programmable logic controllers, PC control systems, etc. The system can interact with the programmable logic controller and the PC controller system through the fourth communication interface, can send converted industrial data and the like to the programmable logic controller and the PC controller system through the fourth communication interface, and can also receive control commands sent by the programmable logic controller and the PC controller system through the fourth communication interface.
When the first switch module is switched off, the display screen is closed, the second processor is triggered to stop sending the data to be displayed, and when the first switch module is closed, the display screen is opened, and the second processor is triggered to send the data to be displayed.
As shown in fig. 2, to facilitate control of the transmitter subsystem, in an embodiment of the present invention, the process instrumentation further comprises: a second switch module 5;
the second switch module 5 is connected with the second processor 21;
when the second switch module 5 is turned off, the second switch module 5 triggers the second processor 21 to stop outputting the data to be displayed to the third communication interface 23.
The embodiment of the utility model provides an in, whether can send the data of waiting to show through the second switch module alone to the second treater and control. Under the condition that the load of the transmitter subsystem is high, the second processor can be triggered by the second switch module to stop sending the data to be displayed, so that the load of the transmitter subsystem is reduced.
As shown in fig. 3, in order to control the display subsystem more conveniently, in an embodiment of the present invention, the process instrumentation system further comprises: a third switch module 6;
the third switch module 6 is connected with the human-computer interface processor 31;
when the third switch module 6 is turned off, the third switch module 6 triggers the human-machine interface processor 31 to stop receiving the data to be displayed transmitted through the fifth communication interface 33;
when the third switch module 6 is closed, the third switch module 6 triggers the human-machine interface processor 31 to receive the data to be displayed transmitted through the fifth communication interface 33.
The embodiment of the present invention provides a control method for displaying data, which can control whether the third processor receives the data to be displayed through the third switch module. Under the condition that the load of the display subsystem is high, the third processor can be triggered by the third switch module to stop receiving the data to be displayed so as to reduce the load of the third processor.
In an embodiment of the present invention, the third switch module may be connected to a power supply voltage and the other end is connected to a communication control pin of the human-machine interface processor. When the third switch module is disconnected, the third switch module outputs a low level to the communication control pin, and the human-computer interface processor stops receiving the data to be displayed sent by the communication pin connected with the fifth communication interface. When the third switch module is closed, the third switch module outputs a high level to the communication control pin, and the human-computer interface processor receives data to be displayed sent by the communication pin connected with the fifth communication interface.
In an embodiment of the present invention, the display subsystem 3 further includes: at least one light emitting diode 34;
the at least one light emitting diode 34 is connected to the human interface processor 31.
The embodiment of the utility model provides an in, can indicate the state through emitting diode, specifically, human-computer interface treater is when confirming to take place certain state, lights the emitting diode that this state corresponds. For example: and when the human-computer interface processor determines that the pressure exceeds the pressure threshold, the light-emitting diode corresponding to the state is lightened.
In an embodiment of the present invention, the display subsystem 3 further includes: an industrial internet of things interface 35 for connecting an internet of things adapter;
the industrial internet of things interface 35 is connected with the human-computer interface processor 31.
The embodiment of the utility model provides an in, reserved industry thing networking interface on showing the subsystem, can connect the thing networking adapter through this industry thing networking interface.
In addition, the industrial internet of things interface can also be used as a parameterization or diagnosis interface.
In an embodiment of the present invention, the first switch module 4 is connected to a communication control pin of the second processor 21, wherein when the communication control pin is at a high level, the second processor 21 outputs a signal to the communication pin connected to the third communication interface 23, and when the communication control pin is at a low level, the second processor 21 stops outputting a signal to the communication pin connected to the third communication interface 23;
when the first switch module 4 is turned off, the first switch module 4 outputs a low level to the communication control pin;
when the first switch module 4 is closed, the first switch module 4 outputs a high level to the communication control pin.
In the embodiment of the present invention, when the first switch module is disconnected, the communication control pin of the second processor is at a low level, and the second processor stops outputting the signal to the communication pin connected to the third communication interface, that is, the second processor stops outputting the data to be displayed to the third communication interface. When the first switch module is closed, the communication control pin of the second processor is at a high level, and the second processor outputs a signal to the communication pin connected to the third communication interface, that is, the second processor outputs data to be displayed to the third communication interface.
In an embodiment of the present invention, the first switch module 4 includes: a display switch 41 and a rectifying and voltage stabilizing circuit 42;
the display switch 41 is provided on the power supply line 7 of the display 32;
the display switch 41 is connected with the input end of the rectifying and voltage stabilizing circuit 42 through the power supply line 7;
the output end of the rectifying and voltage stabilizing circuit 42 is connected with a communication control pin of the second processor 21;
when the display switch 41 is turned off, the power supply line 7 stops supplying power to the display screen 32, the power supply line 7 stops outputting an electric signal to the input end of the rectification and voltage stabilization circuit 42, and the output end of the rectification and voltage stabilization circuit 42 outputs a low level;
when the display switch 41 is closed, the power supply line 7 supplies power to the display screen 32, the power supply line 7 outputs an electric signal to the input end of the rectification and voltage stabilization circuit 42, and the output end of the rectification and voltage stabilization circuit 42 outputs a high level.
In the embodiment of the present invention, the display switch is disposed on the power supply line of the display, and if the display switch is turned off, the power supply line is turned off, and the power supply line cannot supply power to the display, and cannot provide an electrical signal for the rectification voltage-stabilizing circuit; if the display switch is closed, the power supply line can power the display and provide an electrical signal to the rectifying and voltage stabilizing circuit.
In the embodiment of the present invention, the display switch can be realized by a button switch.
As shown in fig. 4, an embodiment of the present invention provides a first switch module, where the first switch module 4 includes: a switch 41 and a rectifying regulator circuit 42 are shown. The figure also shows the display 32, the second processor 21 and the power supply line 7 of the display 32, and the connection relationship of the first switch module 4 and the power supply line 7 of the display 32, the second processor 21 and the display 32.
In an embodiment of the invention, the second switch module is connected in series between the first switch module and the second processor.
Specifically, based on the first switch module shown in fig. 4, the second switch module is disposed between the output end of the rectification and voltage-stabilizing circuit and the second processor, specifically, the output end of the rectification and voltage-stabilizing circuit is connected to a first end of the second switch module, and a second end of the second switch module is connected to a communication control pin of the second processor.
When the first switch module is disconnected, the power supply line is disconnected, an electric signal cannot be provided for the rectification voltage stabilizing circuit, the rectification voltage stabilizing circuit outputs a low level, and a communication control pin of the second processor is at the low level no matter the second switch module is closed or disconnected.
When the first switch module is closed, the power supply line can provide an electric signal for the rectification and voltage stabilization circuit, the rectification and voltage stabilization circuit outputs a high level, at this time, if the second switch module is closed, the communication control pin of the second processor is at the high level, and if the second switch module is disconnected, the communication control pin of the second processor is at the low level.
In an embodiment of the present invention, the display subsystem further includes: an artificial intelligence chip;
the artificial intelligence chip is connected to the fifth communication interface 33.
The embodiment of the utility model provides an in, can strengthen process instrumentation's throughput through artificial intelligence chip. Specifically, the artificial intelligence chip can predict according to history and trend information, and send out an alarm signal if predicting that an event needing to be alarmed is possibly sent.
The intelligence of the process instrument system can be greatly improved through the artificial intelligence chip.
Of course, the transmitter subsystem is provided with a ROM in cooperation with the second processor, and various industrial data, parameter values, system status, and other information are stored in the ROM. The size of the ROM can be configured as desired.
In the display subsystem, a ROM is provided in cooperation with the human-machine interface processor, and industrial data, a UI library, status information, failure information, menus, and the like are stored in the ROM. The size of the ROM can be configured as desired.
Additionally, to reduce the load on the transmitter subsystem, the display rendering task may be done in the human interface processor, rather than in the second processor. Therefore, the transmitter subsystem can send information such as industrial data to the display subsystem instead of rendered bitmap data or dot matrix data and the like which need to be displayed, communication data between the transmitter subsystem and the display subsystem are reduced, workload of the transmitter subsystem is greatly reduced, and risks caused by overload of a CPU are reduced. After the transmitter subsystem sends information such as industrial data to the display subsystem, the display subsystem may invoke a UI library in the display subsystem's ROM to render the entire screen of the display.
As shown in fig. 5, an embodiment of the present invention provides a process instrumentation system, including:
the system comprises a sensor subsystem 1, a transmitter subsystem 2, a display subsystem 3 and a first switch module 4;
wherein, sensor subsystem 1 includes: a first processor 11, at least one sensor 12 and a first communication interface 13;
the at least one sensor 12 is connected to the first processor 11, the first processor 11 being connected to the first communication interface 13;
the second processor 21 is respectively connected with a second communication interface 22, a third communication interface 23, a fourth communication interface 24 and a ROM 25 of the transmitter subsystem 2, the second communication interface 22 is connected with the first communication interface 13, and the fourth communication interface 24 is connected with an external control system;
a display subsystem 3 comprising: a human-machine interface processor 31, a display 32, a fifth communication interface 33, at least one light emitting diode 34, an industrial internet of things interface 35 and a ROM 36 of the display subsystem 3;
the human-computer interface processor 31 is respectively connected with the display 32, the fifth communication interface 33, the at least one light emitting diode 34, the industrial internet of things interface 35 and the ROM 36 of the display subsystem 3, and the fifth communication interface 33 is connected with the third communication interface 23;
the first switching module 4 is connected to the display 32 and the first switching module 4 is connected to the second processor 21.
The utility model provides a pair of process instrument system has following beneficial effect at least:
1. the embodiment of the utility model provides an in, when first switch module is by the disconnection, the display is closed, the display can't show, first switch module can trigger the second treater and stop waiting to show data to third communication interface output, that is to say, under first switch module's control, under the condition that the display does not show, the transmitter subsystem also can not wait to show data to the transmission of display subsystem, the transmitter subsystem need not to wait to show data and consume the resource because the transmission, and then has reduced the resource of process instrument system consumption.
2. The embodiment of the utility model provides an in, can open and close the display through first switch module, under the condition of closing the display, can make the second treater stop waiting to show data to third communication interface output, like this, greatly reduced whole process instrumentation system's consumption.
3. The embodiment of the utility model provides an in, whether can send the data of waiting to show through the second switch module alone to the second treater and control. Under the condition that the load of the transmitter subsystem is high, the second processor can be triggered by the second switch module to stop sending the data to be displayed, so that the load of the transmitter subsystem is reduced.
4. The embodiment of the present invention provides a control method for displaying data, which can control whether the third processor receives the data to be displayed through the third switch module. Under the condition that the load of the display subsystem is high, the third processor can be triggered by the third switch module to stop receiving the data to be displayed so as to reduce the load of the third processor.
5. The embodiment of the utility model provides an in, reserved industry thing networking interface on showing the subsystem, can connect the thing networking adapter through this industry thing networking interface, this industry thing networking interface can also be used as parameterization or diagnosis interface, and it is more convenient to insert the thing networking with process instrumentation system to it expands process instrumentation system more to make things convenient for.
6. The embodiment of the utility model provides an in, artificial intelligence chip can predict according to history and trend information, if foresee probably to send the incident that needs the warning, then sends alarm signal. The processing capacity of the process instrument system can be enhanced through the artificial intelligence chip, and the intelligence of the process instrument system can be greatly improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
Finally, it is to be noted that: the above description is only the preferred embodiment of the present invention, which is only used to illustrate the technical solution of the present invention, and is not used to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.
Claims (9)
1. A process instrumentation system comprising:
the system comprises a sensor subsystem (1), a transmitter subsystem (2), a display subsystem (3) and a first switch module (4);
wherein the sensor subsystem (1) comprises: a first processor (11), at least one sensor (12) and a first communication interface (13);
the at least one sensor (12) is connected to the first processor (11), the first processor (11) being connected to the first communication interface (13);
the transmitter subsystem (2) comprising: a second processor (21), a second communication interface (22), a third communication interface (23) and a fourth communication interface (24);
the second processor (21) is respectively connected with the second communication interface (22), the third communication interface (23) and the fourth communication interface (24), the second communication interface (22) is connected with the first communication interface (13), and the fourth communication interface (24) is connected with an external control system;
the display subsystem (3) comprising: a human-machine interface processor (31), a display (32) and a fifth communication interface (33);
the human-computer interface processor (31) is respectively connected with the fifth communication interface (33) and the display (32), and the fifth communication interface (33) is connected with the third communication interface (23);
the first switch module (4) is connected with the display (32), and the first switch module (4) is connected with the second processor (21);
when the first switch module (4) is switched off, the first switch module (4) triggers the display (32) to be turned off and triggers the second processor (21) to stop outputting data to be displayed to the third communication interface (23);
when the first switch module (4) is closed, the first switch module (4) triggers the display (32) to be opened, and triggers the second processor (21) to output the data to be displayed to the third communication interface (23).
2. The process instrumentation system of claim 1,
further comprising: a second switching module (5);
the second switch module (5) is connected with the second processor (21);
when the second switch module (5) is turned off, the second switch module (5) triggers the second processor (21) to stop outputting the data to be displayed to the third communication interface (23).
3. The process instrumentation system of claim 1,
further comprising: a third switch module (6);
the third switch module (6) is connected with the human-computer interface processor (31);
when the third switch module (6) is disconnected, the third switch module (6) triggers the human-computer interface processor (31) to stop receiving the data to be displayed transmitted through the fifth communication interface (33);
when the third switch module (6) is closed, the third switch module (6) triggers the human-computer interface processor (31) to receive the data to be displayed transmitted through the fifth communication interface (33).
4. The process instrumentation system of claim 1,
the display subsystem (3) further comprises: at least one light emitting diode (34);
the at least one light emitting diode (34) is connected to the human interface processor (31).
5. The process instrumentation system of claim 1,
the display subsystem (3) further comprises: an industrial internet of things interface (35) for connecting an internet of things adapter;
the industrial Internet of things interface (35) is connected with the human-computer interface processor (31).
6. The process instrumentation system of claim 1,
the first switch module (4) is connected with a communication control pin of the second processor (21), wherein when the communication control pin is at a high level, the second processor (21) outputs a signal to the communication pin connected with the third communication interface (23), and when the communication control pin is at a low level, the second processor (21) stops outputting the signal to the communication pin connected with the third communication interface (23);
when the first switch module (4) is switched off, the first switch module (4) outputs a low level to the communication control pin;
when the first switch module (4) is closed, the first switch module (4) outputs a high level to the communication control pin.
7. The process instrumentation system of claim 6,
the first switching module (4) comprising: a display switch (41) and a rectification voltage stabilizing circuit (42);
the display switch (41) is arranged on a power supply line (7) of the display (32);
the display switch (41) is connected with the input end of the rectifying and voltage stabilizing circuit (42) through the power supply line (7);
the output end of the rectification voltage stabilizing circuit (42) is connected with a communication control pin of the second processor (21);
when the display switch (41) is turned off, the power supply line (7) stops supplying power to the display (32), the power supply line (7) stops outputting an electric signal to the input end of the rectification and voltage regulation circuit (42), and the output end of the rectification and voltage regulation circuit (42) outputs a low level;
when the display switch (41) is closed, the power supply line (7) supplies power to the display (32), the power supply line (7) outputs an electric signal to the input end of the rectification and voltage stabilization circuit (42), and the output end of the rectification and voltage stabilization circuit (42) outputs a high level.
8. The process instrumentation system of claim 2,
the second switching module (5) is connected in series between the first switching module (4) and the second processor (21).
9. The process instrumentation system of any one of claims 1 to 8,
the display subsystem (3) further comprises: an artificial intelligence chip;
the artificial intelligence chip is connected with the fifth communication interface (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921275239.4U CN210573270U (en) | 2019-08-07 | 2019-08-07 | Process instrument system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921275239.4U CN210573270U (en) | 2019-08-07 | 2019-08-07 | Process instrument system |
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| CN210573270U true CN210573270U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023050217A1 (en) * | 2021-09-29 | 2023-04-06 | 西门子股份公司 | Human-machine interface system, process instrument comprising same, and data processing method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023050217A1 (en) * | 2021-09-29 | 2023-04-06 | 西门子股份公司 | Human-machine interface system, process instrument comprising same, and data processing method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200519 |