CN106130857A - Two-wire power supply and communication system and method - Google Patents
Two-wire power supply and communication system and method Download PDFInfo
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- CN106130857A CN106130857A CN201610736947.8A CN201610736947A CN106130857A CN 106130857 A CN106130857 A CN 106130857A CN 201610736947 A CN201610736947 A CN 201610736947A CN 106130857 A CN106130857 A CN 106130857A
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- control device
- main control
- communication
- controlled plant
- power supply
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40045—Details regarding the feeding of energy to the node from the bus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
Abstract
A kind of two-wire power supply and communication system, this system is provided with main control device, this main control device is connected with multiple controlled plants respectively by two buses, and described main control device is that multiple controlled plant is powered by two buses and multiple by controlled plant two-way communication with described by binary digital signal modulation.Present invention also offers a kind of method realizing two-wire power supply and communication.The main control device of the present invention is that controlled plant is powered by two buses, and carries out two-way communication by binary digital signal modulation and controlled plant, simultaneously by adjusting the time T sending binary digit " 0 "2With T0Ratio change delivery and adjust send a byte data time interval change communication speed, the present invention not only can meet power supply and the communication of the slightly larger equipment of power, and can avoid arranging that complicated communication network and cable pair order wire interfere so that simple and reliable for structure, easy construction, low cost.
Description
[technical field]
The present invention relates to two-wire power supply and communication system and method, particularly relate to one can power simultaneously and communicate and
Connect up two-wire power supply simple, that difficulty of construction is little and communication system and method.
[background technology]
In extensive building system, major part controlled plant is by host computer control, and it not only needs host supplying power, also needs
Want and main-machine communication.It is by arranging extremely complex communication network that tradition realizes the method for power supply and communication, will order wire
Separating wiring with service cable line, this not only easily causes service cable line and interferes order wire, and connection
Sufficiently complex, easy wrong line so that engineering construction difficulty increases, cost is high.Therefore, power supply and the cloth of communication how are simplified
Line, reduces difficulty of construction and cost just becomes a kind of objective demand.
[summary of the invention]
Present invention seek to address that the problems referred to above, and provide one can power simultaneously and communicate, and wiring is simple, difficulty of construction
Little, the two-wire power supply of low cost and communication system.
Present invention also offers a kind of method realizing two-wire power supply and communication.
For realizing the purpose of the present invention, the invention provides a kind of two-wire power supply and communication system, this system is provided with master control
Equipment, this main control device is connected with multiple controlled plants respectively by two buses, and described main control device is total by two
Line is that multiple controlled plant is powered, and multiple by controlled plant two-way communication with described by binary digital signal modulation.
Described main control device sends binary data " 1 " and " 0 " when communicating with controlled plant to controlled plant, wherein,
When sending binary data " 1 ", it modulates the transmission time is T1, output voltage is the pulse signal of supply voltage；When sending out
When sending binary data " 0 ", it modulates the transmission time is T2, output voltage be zero pulse signal and the transmission time be T0-
T2, output voltage is the pulse signal of supply voltage.
Send the time T of binary data " 0 " to controlled plant by adjusting described main control device2With T0Ratio can change
Become the main control device delivery to controlled plant, send a byte data by adjusting described main control device to controlled plant
Time interval can change the communication speed between main control device and controlled plant, described T1=T0, and T2≤1/2T0。
Described main control device is when receiving the communication data of controlled plant, and main control device is modulated on the basis of supply voltage
Several transmission times are T3, output voltage is the pulse signal of communication voltage, and during transmission that output voltage is supply voltage
Between be T4。
Described main control device is main frame or distribution electric installation, and described controlled plant is the emergency lighting being distributed in each floor
Lamp, display lamp, alarm device, emergency power supply and distribution electric installation a kind of or the combination that it is multiple.
Described main control device is provided with control module, communication module, supply module and signal dispatcher module, described communication mould
Block, supply module and signal dispatcher module are connected with control module respectively, and described control module is total by communication module and two
Line respectively with multiple controlled plant two-way communications, described control module is respectively multiple controlled by supply module and two buses
Equipment is powered.
Described controlled plant is provided with telecommunication circuit and power supply circuits, and described telecommunication circuit and power supply circuits are total with two respectively
Line connects.
Present invention also offers a kind of method realizing two-wire power supply and communication, the method comprises the steps:
A, main control device are that controlled plant is powered and carries out two-way communication with controlled plant by two buses；
B, when main control device need communicate to controlled plant time, main control device by binary digital signal modulation with controlled
Equipment communicates, and sends binary data " 1 " and " 0 " to controlled plant, and wherein, when sending binary data " 1 ", master control sets
It is T for modulating the transmission time1, output voltage is the pulse signal of supply voltage；When sending binary data " 0 ", master control
The equipment modulation transmission time is T2, output voltage be zero pulse signal and the transmission time be T0-T2, output voltage is power supply electricity
The pulse signal of pressure；
C, when main control device does not sends data and receives the communication data of controlled plant, main control device is at supply voltage
On the basis of to modulate several transmissions time be T3, output voltage is the detection pulse signal of communication voltage, if through T3After time,
Main control device does not receives the communication data of controlled plant, then being overturn by output voltage is supply voltage, and the transmission time is T4；If
At T3In time, main control device receives the communication data of controlled plant, and when controlled plant has sent the data of a byte
After, output voltage upset is supply voltage by main control device, and the transmission time is T4, until having received the communication number of controlled plant
According to.
In step b, send the time T of binary data " 0 " to controlled plant by adjusting described main control device2With T0's
Ratio can change the main control device delivery to controlled plant, sends a word by adjusting described main control device to controlled plant
The time interval of joint number evidence can change the communication speed between main control device and controlled plant, described T1=T0, and T2≤1/2T0。
In step c, described supply voltage is 13V～40V, and described communication voltage is 6V～9V.
The contribution of the present invention is, it efficiently solves, and the wiring of existing communication electric power system is complicated, difficulty of construction is big, cost
High problem.The main control device of the present invention is that controlled plant is powered by two buses, and is modulated by binary digital signal
Two-way communication is carried out, simultaneously by adjusting T actual time sending binary digit " 0 " with controlled plant2With theoretical time T0's
Ratio can change the main control device delivery to controlled plant, sends a byte number by adjusting main control device to controlled plant
According to time interval can change the communication speed between main control device and controlled plant.The present invention not only can meet that power is slightly larger to be set
Standby power supply and communication, and can avoid arranging that complicated communication network and cable pair order wire interfere so that structure
Simple and reliable, easy construction, low cost.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structured flowchart of the present invention.
Fig. 3 is the schematic diagram that the main control device of the present invention sends binary data to controlled plant.
Fig. 4 is the schematic diagram of the communication data of the main control device reception controlled plant of the present invention.
Fig. 5 is the method flow diagram realizing two-wire power supply and communication of the present invention.
[detailed description of the invention]
The following example is the present invention to be explained further and supplements, and does not constitutes any limitation the present invention.
Refering to Fig. 1 and Fig. 2, the two-wire power supply of the present invention and communication system include main control device 10, controlled plant 20 and two
Bar bus 30.Wherein, main control device 10 can be master control system, main frame or distribution electric installation etc., and controlled plant 20 is data
Harvester, induction installation, illuminator instruction device, alarm device or distribution electric installation etc. need power supply and and main control device
The equipment of 10 communications.The main control device 10 of the present embodiment is main frame, controlled plant 20 be distributed in each floor emergency light,
Display lamp, alarm device and the combination of one or more of the condition of a disaster detection device.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, main control device 10 powered for controlled plant 20 by two buses 30 and be subject to
Control equipment 20 carries out two-way communication.This main control device 10 includes that control module 11, communication module 12, supply module 13 and information are received
Send out module 14.Wherein, communication module 12, supply module 13 and signal dispatcher module 14 are connected with control module 11 respectively.Work as master
After control equipment 10 connects power supply source, the supply module 13 of main control device 10 is under the control of control module 11, by information transmit-receive mould
Block 14 and two buses 30 are powered for controlled plant 20, and wherein, the voltage of supply module 13 output is supply voltage.When master control sets
Standby 10 needed when controlled plant 20 communicates, and control module 11 is communicated with controlled plant 20 by modulating binary word signal.
In the present embodiment, it is to send binary data " 1 " and " 0 " to controlled plant 20 that main control device 10 communicates with controlled plant 20.Its
In, when main control device 10 sends binary data " 1 " to controlled plant 20, control module 11 modulates in communication module 12
The transmission time is T1, output voltage is the pulse signal of supply voltage, and by signal dispatcher module 14 and two buses 30 to
Controlled plant 20 sends the pulse signal modulated；When main control device 10 sends binary data " 0 " to controlled plant 20, control
It is T that molding block 11 modulates the transmission time in communication module 122, output voltage be zero pulse signal and the transmission time be T0-
T2, output voltage is the pulse signal of supply voltage, and passes through signal dispatcher module 14 and two buses 30 to controlled plant 20
Send the pulse signal modulated.Wherein, T0For sending the theoretical time of binary data " 0 ", T2For sending binary data
The actual time of " 0 ".During owing to sending binary data " 0 ", its output voltage is zero, it is impossible to power for controlled plant 20, main
The control module 11 of control equipment 10 is by shortening to T by the time sending binary data " 0 "2, and be T in the time0-T2In, will
Output voltage is adjusted to supply voltage, during to ensure to send binary data " 0 ", also can power for controlled plant 20.This enforcement
In example, T1=T0, and T2≤1/2T0, thus while ensureing that main control device 10 communicates with controlled plant 20, main control device 10 is also
Can be that controlled plant 20 is powered.When main control device 10 needs the communication data receiving controlled plant 20, control module 11 is logical
Modulating several transmissions time on the basis of the supply voltage of letter module 12 is T3, output voltage is the pulse letter of communication voltage
Number, and be supply voltage for output voltage between each adjacent communication voltage pulse signal, the transmission time is T4Pulse signal.
In the present embodiment, if main control device 10 needs the communication data receiving controlled plant 20, control module 11 is in communication module 12
Supply voltage on the basis of modulate a transmission time be T3, output voltage is the pulse signal of communication voltage, if through T3Time
After, the signal dispatcher module 14 of main control device 10 does not receives the communication data of controlled plant 20, then control module 11 will communication
The output voltage upset of module 12 is supply voltage, the delivery enough to ensure main control device 10, elapsed time T4After, then adjust
Making a transmission time is T3, output voltage is the pulse signal of communication voltage, so circulates, until need not receive controlled setting
The communication data of standby 20；If at T3In time, the signal dispatcher module 14 of main control device 10 receives what controlled plant 20 sent
During communication data, and after controlled plant 20 has sent the data of a byte, the control module 11 of main control device 10 will communication
The output voltage upset of module 12 is supply voltage, and the transmission time is T4Pulse signal, elapsed time T4After, control module 11
On the basis of the supply voltage of supply module 13, one the transmission time of modulation is T again3, output voltage is the pulse letter of communication voltage
Number, until having received the communication data of controlled plant 20.In the present embodiment, the control module 11 of main control device 10 is sent out by adjusting
Send T actual time of binary data " 0 "2With the theoretical time T sending binary data " 0 "0Ratio change main control device
10 to the delivery of controlled plant 20, and by adjust the time interval sending a byte data change main control device 10 with
Communication speed between controlled plant 20, wherein, T1=T0, and T2≤1/2T0, additionally, supply voltage is 13V～40V, communication
Voltage is 6V～9V, thus ensures that main control device 10 can be that controlled plant 20 is powered while communicating with controlled plant 20.Such as,
When baud rate is 9600, the time sending a binary one Bit data is 104 μ s, i.e. T0=104 μ s, T1=104 μ s, T2
40 μ s can be set to.When sending binary one Bit data " 0 ", there is time of 61.5% bus-powered to supply voltage to.This
Time communication speed fast, power supply capacity is then slightly worse when sending binary one Bit data " 0 " and being the most.For another example, when baud rate it is
When 2400, the time sending a binary one Bit data is 416 μ s, T0=416 μ s, T1=416 μ s, T2It is set to 40 μ equally
S. there is the time of 90% bus-powered to supply voltage in transmission binary one Bit data " 0 ", hence it is evident that power supply capacity compares ripple
Special rate to improve a lot when being 9600, communication speed is slightly slow, but power supply capacity then improves a lot.
As shown in Figure 1, Figure 2 and shown in Fig. 4, main control device 10 is connected with controlled plant 20 by two buses 30.This is controlled sets
Standby 20 include telecommunication circuit 21 and power supply circuits 22, and wherein, telecommunication circuit 21 and power supply circuits 22 are respectively with two buses 30 even
Connect.The supply module 13 of main control device 10 is powered by the power supply circuits 22 that two buses 30 are controlled plant 20.Set when controlled
Standby 20 needed when main control device 10 sends communication data, and the telecommunication circuit 21 of controlled plant 20 detects main control device 10
When output voltage is communication voltage, controlled plant 20 sends communication data by telecommunication circuit 21 to main control device 10, works as transmission
After the data of a complete byte, output voltage upset is supply voltage by main control device 10, and now controlled plant 20 cannot be to master
Control equipment 10 sends communication data, and during until the output voltage of main control device 10 becomes communication voltage, controlled plant 20 just can be to
Main control device 10 sends communication data, so circulates, until the communication data of controlled plant 20 is all sent.Certainly, when
Controlled plant 20 does not has communication data when main control device 10 sends, even if the output voltage of main control device 10 becomes communication electricity
Pressure, main control device 10 also cannot receive any communication data from controlled plant 20.
Refering to Fig. 5, the method realizing two-wire power supply and communication of the present invention comprises the steps:
S10, main control device 10 are powered by two buses 30 for controlled plant 20 and carry out two-way with controlled plant 20
Letter；
In this step, main control device 10 includes control module 11, communication module 12, supply module 13 and signal dispatcher module
14, wherein, communication module 12, supply module 13 and signal dispatcher module 14 are connected with control module 11 respectively, controlled plant 20
Including telecommunication circuit 21 and power supply circuits 22, wherein, telecommunication circuit 21 and power supply circuits 22 are connected with two buses 30 respectively.Main
The control module 11 of control equipment 10 is powered by the power supply circuits 22 that supply module 13 and two buses 30 are controlled plant 20.Main
The control module 11 of control equipment 10 is logical by communication module 12, signal dispatcher module 14 and two buses 30 and controlled plant 20
Letter circuit 21 communicates, and the telecommunication circuit 21 of controlled plant 20 is led to by the communication module 12 of two buses 30 with main control device 10
Letter.
S20, main control device 10 send communication data to controlled plant 20；
In this step, main control device 10 is communicated with controlled plant 20 by binary digital signal modulation, and sets to controlled
Standby 10 send binary data " 1 " and " 0 ", wherein, when sending binary data " 1 ", and the control module 11 of main control device 10
It is T that the output voltage of communication module 12 modulates the transmission time1, output voltage is the pulse signal of supply voltage；Work as transmission
During binary data " 0 ", the output voltage of communication module 12 is modulated the transmission time and is by the control module 11 of main control device 10
T2, output voltage be zero pulse signal and the transmission time be T0-T2, output voltage is the pulse signal of supply voltage.Wherein,
T0For sending the theoretical time of binary data " 0 ", T2For sending the actual time of binary data " 0 ".In the present embodiment, T1
=T0, and T2≤1/2T0, during owing to sending binary data " 0 ", its output voltage is zero, it is impossible to power for controlled plant 20,
The control module 11 of main control device 10 is by shortening to T by the time sending binary data " 0 "2, and be T in the time0-T2In,
Output voltage is become supply voltage, during to ensure to send binary data " 0 ", also can power for controlled plant 20.
S30, controlled plant 20 send communication data to main control device 10.
In this step, when main control device 10 needs the communication data receiving controlled plant 20, the control of main control device 10
It is T that module 11 modulates several transmissions time on the basis of the output voltage of communication module 123, output voltage is communication electricity
The detection pulse signal of pressure.When the telecommunication circuit 21 of controlled plant 20 detects that the output voltage that main control device 10 sends is communication
After the detection pulse signal of voltage, communication data is sent to main control device 10, when being subject to by two buses 30 by telecommunication circuit 21
When control equipment 20 does not has information to be sent to main control device 10, even if controlled plant 20 detects the arteries and veins that output voltage is communication voltage
Rush signal, send information without to main control device 10.In the present embodiment, work as T3In time, main control device 10 is not received by
During the data that controlled plant 20 sends, then the output voltage of communication module 12 is overturn as sending out by the control module 11 of main control device 10
Sending the time is T4, output voltage is the pulse signal of supply voltage, to ensure the main control device 10 delivery for controlled plant 20,
Through T4After time, it is T that the output voltage of communication module 12 is changed into the transmission time by the control module 11 of main control device 10 again3,
Output voltage is the detection pulse signal of communication voltage, until main control device 10 is without receiving the communication information of controlled plant 20.
And work as T3In time, when main control device 10 receives the data that controlled plant 20 sends, then main control device 10 receives controlled setting
During 1 byte data that standby 20 send, the output voltage of communication module 12 is overturn as sending by the control module 11 of main control device 10
Time is T4, output voltage is the pulse signal of supply voltage, to ensure the main control device 10 delivery for controlled plant 20, warp
Cross T4After time, it is T that the output voltage of the control module 11 of main control device 10 the most just communication module 12 is changed into the transmission time3,
Output voltage is the detection pulse signal of communication voltage, continues to the communication data that controlled plant 20 sends, sets until controlled
The data of standby 20 have all received.In order to ensure the reliability of communication, in the same time, main control device 10 may only receive one
The communication data that controlled plant 20 sends.The supply voltage of the present embodiment is in the range of 13V～40V, the scope of communication voltage
For: 6V～9V, thus while ensureing the communication information that main control device 10 receives controlled plant 20, main control device 10 can be controlled
Equipment 20 is powered.Additionally, according to actual needs, T actual time of binary data " 0 " is sent by adjusting main control device 102
With the theoretical time T sending binary data " 0 "0Ratio change the main control device 10 delivery to controlled plant 20, and
Send the time interval of 1 byte data to controlled plant 20 and change main control device 10 by adjusting main control device 10 and set with controlled
Communication speed between standby 20.Such as, when baud rate is 9600, the time sending a binary one Bit data is 104 μ
S, i.e. T0=104 μ s, T1=104 μ s, T240 μ s can be set to.When sending binary one Bit data " 0 ", there is the time of 61.5%
Bus-powered to supply voltage to.At this moment communication speed is fast, and power supply capacity then compares in transmission binary one Bit data " 0 "
Time many slightly worse.For another example, when baud rate is 2400, the time sending a binary one Bit data is 416 μ s, T0=416 μ
S, T1=416 μ s, T2It is set to 40 μ s equally.The time of 90% is had to supply voltage to sending binary one Bit data " 0 "
Bus-powered, hence it is evident that to improve a lot when power supply capacity is 9600 than baud rate, communication speed is slightly slow, but power supply capacity then improves
A lot.
Taking this, the main control device 10 of the present invention is powered for controlled plant 20 by two buses 30, and passes through binary number
The modulation of word signal and controlled plant 20 carry out two-way communication, simultaneously by adjusting T actual time sending binary digit " 0 "2
With theoretical time T0Ratio can change the main control device 10 delivery to controlled plant 20, by adjust main control device 10 to being subject to
Control equipment 20 sends the time interval of a byte data can change the communication speed between main control device 10 and controlled plant 20.
The present invention not only can meet power supply and the communication of the slightly larger equipment of power, and can avoid arranging complicated communication network and cable
Order wire is interfered so that simple and reliable for structure, easy construction, low cost.
Although being disclosed the present invention by above example, but protection scope of the present invention is not limited thereto,
Under conditions of without departing from present inventive concept, the deformation of being done above each component, replacement etc. all will fall into the right of the present invention
In claimed range.
Claims (10)
1. a two-wire power supply and communication system, it is characterised in that this system is provided with main control device (10), this main control device (10)
It is connected with multiple controlled plants (20) respectively by two buses (30), and described main control device (10) is by two buses
(30) it is multiple controlled plant (20) power supply, and multiple by controlled plant (20) with described by binary digital signal modulation
Two-way communication.
2. two-wire power supply as claimed in claim 1 and communication system, it is characterised in that described main control device (10) is with controlled
Binary data " 1 " and " 0 " is sent to controlled plant (20), wherein, when sending binary data " 1 " during equipment (20) communication
Time, it modulates the transmission time is T1, output voltage is the pulse signal of supply voltage；When sending binary data " 0 ", its
Modulating the transmission time is T2, output voltage be zero pulse signal and the transmission time be T0-T2, output voltage is supply voltage
Pulse signal.
3. two-wire power supply as claimed in claim 2 and communication system, it is characterised in that by adjusting described main control device (10)
The time T of binary data " 0 " is sent to controlled plant (20)2With T0Ratio can change main control device (10) to controlled plant
(20) delivery, sends the time interval of a byte data by adjusting described main control device (10) to controlled plant (20)
The communication speed between main control device (10) and controlled plant (20), described T can be changed1=T0, and T2≤1/2T0。
4. two-wire power supply as claimed in claim 1 and communication system, it is characterised in that described main control device (10) is subject in reception
During the communication data of control equipment (20), it is T that main control device (10) modulates several transmission times on the basis of supply voltage3,
Output voltage is the pulse signal of communication voltage, and the transmission time that output voltage is supply voltage is T4。
5. two-wire power supply as claimed in claim 1 and communication system, it is characterised in that described main control device (10) be main frame or
Distribution electric installation, described controlled plant (20) is for being distributed in the emergency light of each floor, display lamp, alarm device, answering urgent telegram
Source and distribution electric installation a kind of or the combination that it is multiple.
6. two-wire power supply as claimed in claim 1 and communication system, it is characterised in that described main control device (10) is provided with control
Module (11), communication module (12), supply module (13) and signal dispatcher module (14), described communication module (12), power supply mould
Block (13) and signal dispatcher module (14) are connected with control module (11) respectively, and described control module (11) passes through communication module
(12) and two buses (30) respectively with multiple controlled plants (20) two-way communication, described control module (11) passes through supply module
And two buses (30) are respectively multiple controlled plants (20) power supply (13).
7. two-wire power supply as claimed in claim 1 and communication system, it is characterised in that described controlled plant (20) is provided with communication
Circuit (21) and power supply circuits (22), described telecommunication circuit (21) and power supply circuits (22) are connected with two buses (30) respectively.
8. the method being realized two-wire power supply and communication by the two-wire power supply described in claim 1 and communication system, its feature
Being, the method comprises the steps:
A, main control device (10) are that controlled plant (20) is powered and carries out two-way with controlled plant (20) by two buses (30)
Communication；
B, when main control device (10) need communicate to controlled plant (20) time, main control device (10) is adjusted by binary digital signal
System communicates with controlled plant (20), and sends binary data " 1 " and " 0 " to controlled plant (10), wherein, when sending binary system
During data " 1 ", it is T that main control device (10) modulates the transmission time1, output voltage is the pulse signal of supply voltage；Work as transmission
During binary data " 0 ", main control device (10) the modulation transmission time is T2, output voltage is pulse signal and the transmission time of zero
For T0-T2, output voltage is the pulse signal of supply voltage；
C, when main control device (10) does not sends data and receives the communication data of controlled plant (20), main control device (10) supply
Modulating several transmission times on the basis of piezoelectric voltage is T3, output voltage is the detection pulse signal of communication voltage, if through T3
After time, main control device (10) does not receives the communication data of controlled plant (20), then being overturn by output voltage is supply voltage,
The transmission time is T4；If at T3In time, main control device (10) receives the communication data of controlled plant (20), and ought controlled set
After standby (20) have sent the data of a byte, output voltage change upset is supply voltage by main control device (10), sends the time
For T4, until having received the communication data of controlled plant (20).
9. method as claimed in claim 8, it is characterised in that in step b, by adjusting described main control device (10) to controlled
Equipment (20) sends the time T of binary data " 0 "2With T0Ratio can change main control device (10) to controlled plant (20)
Delivery, the time interval sending a byte data to controlled plant (20) by adjusting described main control device (10) can change
Communication speed between main control device (10) and controlled plant (20), described T1=T0, and T2≤1/2T0。
10. method as claimed in claim 8, it is characterised in that in step c, described supply voltage is 13V～40V, described logical
Letter voltage is 6V～9V.
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| CN108377485A (en) * | 2018-02-13 | 2018-08-07 | 广东嘉泰智能技术有限公司 | Multibyte radio transmitting method based on bluetooth Mesh technologies and system |
| CN109714236A (en) * | 2019-02-26 | 2019-05-03 | 北京强联通讯技术有限公司 | The bus-powered and means of communication, device and storage medium |
| CN109889419A (en) * | 2019-02-26 | 2019-06-14 | 北京强联通讯技术有限公司 | The bus-powered and means of communication, device and storage medium |
| CN111739276A (en) * | 2020-07-02 | 2020-10-02 | 上海赞芯电子科技有限公司 | Communication protocol and communication method for electronic fuse |
| CN114866368A (en) * | 2022-04-20 | 2022-08-05 | 上海芯飏科技有限公司 | Two-bus communication system, method and medium for long-distance heavy-load scene |
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| CN111739276A (en) * | 2020-07-02 | 2020-10-02 | 上海赞芯电子科技有限公司 | Communication protocol and communication method for electronic fuse |
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Application publication date: 20161116 |