CN112436970A - Communication method, equipment slave machine, building equipment management system and storage medium - Google Patents
Communication method, equipment slave machine, building equipment management system and storage medium Download PDFInfo
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- CN112436970A CN112436970A CN202011330039.1A CN202011330039A CN112436970A CN 112436970 A CN112436970 A CN 112436970A CN 202011330039 A CN202011330039 A CN 202011330039A CN 112436970 A CN112436970 A CN 112436970A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0246—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols
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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
- H04L12/403—Bus networks with centralised control, e.g. polling
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Abstract
The invention discloses a communication method, a device slave machine, a building device management system and a storage medium, wherein the communication method is used for the device slave machine, and a plurality of device slave machines are connected with a BMS host machine through physical channels; the communication method comprises the following steps: judging whether a BMS request message sent by a BMS host is received within the preset time length at each interval of the preset time length; if yes, generating a BMS response message and an autonomous message according to the BMS request message; and adding the autonomous message into the BMS response message, generating a comprehensive message and sending the comprehensive message to the BMS host. The invention can realize multiple logic channels through a single physical channel, reduce the equipment cost and reduce the complexity of comprehensive wiring.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a communication method, an equipment slave, a building equipment management system, and a storage medium.
Background
The building equipment monitoring system is an important component of an intelligent building. The building equipment monitoring system can monitor, control and automatically manage various electromechanical equipment in a building, such as electric power, air conditioners, lighting, security, fire prevention, ventilation, heating, transportation and the like, so that the building becomes a safe, reliable, healthy, comfortable and warm living environment and an efficient working environment, and the economical efficiency of system operation and the intellectualization of management can be ensured. In the prior art, a traditional control scheme of a building equipment monitoring system needs two sets of wiring systems, and each equipment slave is required to have 2 physical communication channels, 1 completes a BMS monitoring function and 1 completes an autonomous function. Such wiring systems increase the cost and complexity of integrated wiring.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a communication method, a host, a building equipment management system and a storage medium, and aims to solve the technical problems of high cost and complex wiring of comprehensive wiring in the conventional building equipment monitoring system.
In order to accomplish the above object, the present invention provides a communication method for an equipment slave, a plurality of which are connected with a BMS host through a physical channel; the communication method comprises the following steps:
judging whether a BMS request message sent by a BMS host is received within the preset time length at each interval of the preset time length;
if yes, generating a BMS response message and an autonomous message according to the BMS request message;
and adding the autonomous message into the BMS response message, generating a comprehensive message and sending the comprehensive message to the BMS host.
Optionally, the step of generating a BMS response packet and an autonomous packet according to the BMS request packet further includes:
and sending the autonomous message to other equipment slaves connected with the BMS host through a logic channel by a time division multiplexing technology.
Optionally, the step of judging whether to receive the BMS request message sent by the BMS host within the preset duration at each interval of the preset duration further includes:
if the BMS request message is not received within the preset time value, generating delay time according to the time when each equipment slave does not receive the BMS request message, the serial number of the slave equipment and the longest message time of the preset autonomous message;
and generating an autonomous message by the interval delay time, and transmitting the autonomous message to other equipment slaves connected with the BMS host through a logic channel.
Optionally, the delay time length is calculated by the following preset formula:
t＝T+ID*dT；
wherein T represents the time delay, T represents the sum of the time that the slave of the device does not receive the BMS request message, ID represents the serial number of each slave device, and dT represents the longest message time of the autonomous message.
Optionally, the communication method is used for a building equipment management system, the building equipment management system comprises a BMS host and a plurality of equipment slaves, and the equipment slaves are respectively connected with the BMS host through physical channels; the communication method comprises the following steps:
the control BMS host sends a BMS request message to each equipment slave;
controlling each equipment slave to generate BMS response messages and autonomous messages corresponding to the BMS requests;
and controlling each equipment slave to respectively add the autonomous messages into the BMS response messages, generating comprehensive messages and sending the comprehensive messages to the BMS host.
Optionally, the step of controlling each device slave to add an autonomous message to the BMS response message, and generating and sending a comprehensive message to the BMS host includes:
and controlling each equipment slave to respectively send the autonomous message to other equipment slaves through a logic channel by using a time division multiplexing technology.
Optionally, after the step of controlling each device slave to respectively send the autonomous packet to other device slaves through a logical channel by using a time division multiplexing technique, the method includes:
judging whether each equipment slave detects that the BMS request message is received within a preset time value;
if yes, generating delay time according to the time when each equipment slave does not receive the BMS request message, the serial number of the slave equipment and the longest message time of a preset autonomous message;
and controlling the interval delay time of each equipment slave to generate an autonomous message, and transmitting the autonomous message to other equipment slaves through a logic channel.
To achieve the above object, the present invention also provides an equipment slave for communication connection with a BMS host, the equipment slave comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of a communication method as described above.
To achieve the above object, the present invention also provides a construction equipment management system including a BMS host and a plurality of equipment slaves, and a memory, a processor, a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of a communication method as described above.
To achieve the above object, the present invention further provides a computer-readable storage medium having a computer program stored thereon, where the computer program is executed by a processor to implement the steps of the communication method as described above.
According to the communication method, the equipment slave, the building equipment management system and the storage medium, whether the autonomous system needs to be started or not is judged by detecting whether the BMS request message sent by the BMS host is received or not within the preset time value, and if the BMS request message sent by the BMS host is not received within the preset time value, the autonomous system is started; and if the BMS request message sent by the BMS host is received within the preset time, generating a BMS response message and an autonomous message according to the BMS request message. The comprehensive messages are generated by adding the autonomous messages into the BMS response messages and sent to the BMS host, so that the comprehensive messages are transmitted back, meanwhile, the complexity of a wiring system is reduced and the cost of the wiring system is reduced by the transmission of one bus.
Drawings
Fig. 1 is a schematic terminal structure diagram of a hardware operating environment according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a first embodiment and a third embodiment of the communication method of the present invention;
fig. 3 is a flowchart illustrating a fifth embodiment of a communication method according to the present invention;
fig. 4 is a flowchart illustrating a communication method according to a seventh embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a hardware structure of an equipment slave according to various embodiments of the present invention. The communication method adjusting device comprises a communication module 01, a memory 02, a processor 03 and the like. Those skilled in the art will appreciate that the apparatus slave shown in fig. 1 may also include more or fewer components than those shown, or combine certain components, or a different arrangement of components. The processor 03 is connected to the memory 02 and the communication module 01, respectively, and the memory 02 stores a computer program, which is executed by the processor 03 at the same time.
The communication module 01 may be connected to an external device through a network. The communication module 01 may receive data sent by an external device, and may also send data, instructions, and information to the external device, where the external device may be an electronic device such as a mobile phone, a tablet computer, a notebook computer, and a desktop computer.
The memory 02 may be used to store software programs and various data. The memory 02 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function, and the like; the storage data area may store data or information created according to the use of the communication method adjusting apparatus, or the like. Further, the memory 02 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 03, which is a control center of the communication method adjusting apparatus, connects various parts of the entire communication method adjusting apparatus using various interfaces and lines, and performs various functions of the communication method adjusting apparatus and processes data by running or executing software programs and/or modules stored in the memory 02 and calling data stored in the memory 02, thereby performing overall monitoring of the communication method adjusting apparatus. Processor 03 may include one or more processing units; preferably, the processor 03 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 03.
Those skilled in the art will appreciate that the communication method adjustment apparatus configuration shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The present invention also provides a construction equipment management system including a BMS host and a plurality of equipment slaves, and a memory, a processor, a computer program stored on the memory and executable on the processor. A Building Management System (BMS) is a System that performs integrated Management of a Building monitoring System, a public safety System, and the like. The BMS host is the equipment for comprehensively processing and controlling each equipment slave in the building equipment management system. The memory and the processor in the building equipment management system may have the same structure and the same function as those of the memory and the processor in the equipment slave, and certainly, the building equipment management system may further include other components, which are not described in detail herein.
Various embodiments of the method of the present invention are presented in terms of the above-described hardware architecture.
Referring to fig. 2, a first embodiment of a communication method according to the present invention is a communication method for device slaves, a plurality of which are connected to a BMS host through a physical channel; the communication method comprises the following steps:
step S100, judging whether a BMS request message sent by a BMS host is received within a preset time interval;
in this embodiment, the preset time value is the time required for the BMS host to send the request to the device slave, and a person skilled in the art may set different preset time values as needed to implement detection of the BMS request packet, where the device slaves are connected to the BMS host through a physical channel, and the physical channel connection may specifically be through a communication bus connection, for example: and RS485 communication connection.
In this embodiment, each device slave and the BMS host are communicatively connected by only one bus, so that each device slave can simultaneously receive the BMS request message transmitted by the BMS host or cannot simultaneously receive the BMS request message.
Step S200, if yes, generating a BMS response message and an autonomous message according to the BMS request message;
the message is a data unit exchanged and transmitted in the network, that is, a data block to be sent by the device slave or the BMS host at one time, and the message includes complete data information to be sent, and has inconsistent length and unlimited and variable length. In this embodiment, the message format adopts a Modbus RTU message format, and of course, a person skilled in the art may also adopt other message formats to implement the communication method.
And step S300, adding the autonomous message into the BMS response message, generating a comprehensive message and sending the comprehensive message to the BMS host.
Specifically, the autonomous packet may be directly inserted into the front end or the back end of the BMS response packet, or may be inserted into a preset position after the header of the packet. The BMS host can analyze the comprehensive message according to a preset rule to obtain an autonomous message and a BMS response message.
The method and the system realize the judgment of whether the autonomous function needs to be started or not by detecting whether the BMS request message sent by the BMS host is received within the preset time value or not, and start the autonomous function if the BMS request message sent by the BMS host is not received within the preset time value; if the BMS request message sent by the BMS host is received within the preset time, the BMS response message and the autonomous message are generated according to the BMS request message, the autonomous message is added into the BMS response message, the comprehensive message is generated and sent to the BMS host, the return of the comprehensive message is realized, meanwhile, the complexity of a wiring system is reduced through the transmission of one bus, and the cost of the wiring system is reduced.
Further, based on the communication method of the present invention proposed by the first embodiment of the present invention, the present invention proposes a second embodiment, and after the step S200, the method further includes the steps of:
and sending the autonomous message to other equipment slaves connected with the BMS host through a logic channel by a time division multiplexing technology.
The time division multiplexing technology is a technology for transmitting a plurality of digital data, voice and video signals and the like on the same communication bus through cross bit pulses in different channels or time slots, wherein the logic signal represents what the borne autonomous message is, and only when the autonomous message needs to be transmitted, an autonomous message packet is generated and multiplexed into the channel. And the autonomous message is sent to each equipment slave machine through a logic channel by a time division multiplexing technology, so that the autonomy of the system is realized, and the complexity of system wiring is reduced.
Further, referring to fig. 2, based on the communication method of the present invention proposed by the first embodiment of the present invention, the present invention proposes a third embodiment, and after the step S100, the method further includes the steps of:
step S400, if the BMS request message is not received within the preset time value, generating a delay time according to the time when the BMS request message is not received, the serial number of the slave equipment and the longest time message of the preset autonomous message;
step S500, generating an autonomous message at intervals of delay time, and transmitting the autonomous message to other equipment slaves connected with the BMS host through a logic channel;
in this embodiment, the time when the slave device does not receive the BMS request message is the sum of the times when all the slave devices do not receive the BMS request message, for example: the method includes that n equipment slaves connected with the BMS host are provided, the time when the BMS request message is not received is m seconds, then the time when the BMS request message is not received is m × n seconds, the serial number of each slave is a unique serial number preset by a person skilled in the art for each slave, and the serial numbers of the slave are different, for example: the serial number of the device slave 1 is 1, and the serial number of the device slave 2 is 2. The equipment slaves include all equipment slaves, and the other equipment slaves connected with the BMS host include any equipment slave except the equipment slave generating the autonomous message.
Specifically, the delay time is calculated by the following preset formula:
t＝T+ID*dT；
wherein T represents the delay time, T represents the sum of the time that each equipment slave does not receive the BMS request message, ID represents the serial number of each slave equipment, and dT represents the longest message time of the autonomous message.
For example: t is 1 second, ID is 1 to 127 as the serial number of the equipment slave, dT is 200 milliseconds, and the time delay duration corresponding to the slave equipment with the serial number of 60 is 2.2 seconds. Certainly, a person skilled in the art may set a specific value of T by setting different preset durations, set different numbers of device slaves according to the value of ID, and set a value of dT by setting different longest time messages of the autonomous message, so as to implement the delayed sending of the autonomous message.
In the invention, the time delay duration is generated according to the time that each equipment slave does not receive the BMS request message, the serial number of the slave equipment and the longest message time of the preset autonomous message, so that the data required by the calculation of the time delay duration is set; the autonomous message is generated by the interval delay time length, and is transmitted to other equipment slaves through the logic channel, so that the delay transmission of the autonomous message is realized, and the bus collision caused by transmitting the autonomous message at the same time is avoided.
Further, referring to fig. 3, a fifth embodiment is provided for the present invention, and the present invention further provides a communication method, where the communication method is used in a building equipment management system, and the communication method includes the steps of:
step S600, the BMS host is controlled to send BMS request messages to all the equipment slave machines;
step S700, controlling each equipment slave to generate BMS response messages and autonomous messages corresponding to the BMS request;
in this embodiment, the BMS response packet and the autonomous packet adopt a Modbus RTU packet format, specifically, the BMS response packet and the autonomous packet are distinguished by using the device ID, the device slave ID specifically adopts 1 to 127, and the autonomous packet ID specifically adopts 129 to 254, so that a person skilled in the art can set different numbers of device slaves as required to set the device slave ID values to distinguish the BMS response packet and the autonomous packet.
And step S800, controlling each equipment slave to respectively add the autonomous messages into the BMS response messages, generating comprehensive messages and sending the comprehensive messages to the BMS host.
In the invention, the request message and the response message both adopt a Modbus RTU message format, and certainly, a person skilled in the art can also adopt other message formats to implement the communication method; the slave machines of the equipment are controlled to respectively add the autonomous messages into the BMS response messages to generate the comprehensive messages and send the comprehensive messages to the BMS host, so that the comprehensive messages are transmitted back, meanwhile, the complexity of a wiring system is reduced through the transmission of one bus, and the cost of the wiring system is reduced.
Further, based on the communication method of the present invention proposed by the fifth embodiment of the present invention, the present invention proposes a sixth embodiment, and the step S800 is followed by the step of:
and controlling each equipment slave to respectively send the autonomous message to other equipment slaves through a logic channel by using a time division multiplexing technology.
Further, referring to fig. 4, in a communication method according to a sixth embodiment of the present invention, the seventh embodiment of the present invention provides that, after the step of controlling each device slave to respectively send the autonomous packet to the other device slaves through a logical channel by using a time division multiplexing technique, the method further includes the steps of:
step S900, judging whether each equipment slave detects that the BMS request message is received within a preset time value;
step S110, if yes, generating a delay time according to the time when each equipment slave does not receive the BMS request message, the serial number of the slave equipment and the longest message time of a preset autonomous message;
and step S120, controlling the interval delay time of each equipment slave to generate an autonomous message, and transmitting the autonomous message to other equipment slaves through a logic channel.
In the invention, the time delay duration is generated according to the time that each equipment slave does not receive the BMS request message, the serial number of the slave equipment and the longest message time of the preset autonomous message, so that the data required by the calculation of the time delay duration is set; the autonomous message is generated by the interval delay time length, and is transmitted to other equipment slaves through the logic channel, so that the delay transmission of the autonomous message is realized, and the bus collision caused by transmitting the autonomous message at the same time is avoided.
The invention also proposes a computer-readable storage medium on which a computer program is stored. The computer-readable storage medium may be the Memory 02 in the device slave of fig. 1, and may also be at least one of a ROM (Read-Only Memory)/RAM (Random Access Memory), a magnetic disk and an optical disk, and the computer-readable storage medium includes several pieces of information for enabling the device slave or a building device management system to perform the method according to the embodiments of the present invention.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system 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 system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A communication method for an equipment slave, wherein a plurality of said equipment slaves are connected to a BMS host through a physical channel; the communication method comprises the following steps:
judging whether a BMS request message sent by a BMS host is received within the preset time length at each interval of the preset time length;
if yes, generating a BMS response message and an autonomous message according to the BMS request message;
and adding the autonomous message into the BMS response message, generating a comprehensive message and sending the comprehensive message to the BMS host.
2. The communication method according to claim 1, wherein the step of generating the BMS response message and the autonomous message according to the BMS request message further comprises:
and sending the autonomous message to other equipment slaves connected with the BMS host through a logic channel by a time division multiplexing technology.
3. The communication method according to claim 2, wherein the step of determining whether to receive the BMS request message sent by the BMS host within the preset duration every interval of the preset duration further comprises:
if the BMS request message is not received within the preset time value, generating a delay time according to the time when the BMS request message is not received, the serial number of the slave equipment and the longest message time of the preset autonomous message;
and generating an autonomous message by the interval delay time, and transmitting the autonomous message to other equipment slaves connected with the BMS host through a logic channel.
4. The communication method according to claim 3, wherein the delay time duration is calculated by the following predetermined formula:
t＝T+ID*dT；
wherein T represents the time delay, T represents the sum of the time when the slave of the device does not receive the BMS request message, ID represents the serial number of each slave device, and dT represents the longest message time of the autonomous message.
5. A communication method is used for a building equipment management system, and is characterized in that the building equipment management system comprises a BMS host and a plurality of equipment slaves, and the equipment slaves are respectively connected with the BMS host through physical channels; the communication method comprises the following steps:
the control BMS host sends a BMS request message to each equipment slave;
controlling each equipment slave to generate BMS response messages and autonomous messages corresponding to the BMS requests;
and controlling each equipment slave to respectively add the autonomous messages into the BMS response messages, generating comprehensive messages and sending the comprehensive messages to the BMS host.
6. The communication method according to claim 5, wherein the step of controlling each slave device to add an autonomous message to the BMS response message, respectively, and generate and transmit a comprehensive message to the BMS host comprises the steps of:
and controlling each equipment slave to respectively send the autonomous message to other equipment slaves through a logic channel by using a time division multiplexing technology.
7. The communication method according to claim 6, wherein the step of controlling each device slave to transmit the autonomous packet to the other device slaves through a logical channel by using a time division multiplexing technique comprises the following steps:
judging whether each equipment slave detects that the BMS request message is received within a preset time value;
if yes, generating delay time corresponding to each equipment slave according to the time when each equipment slave does not receive the BMS request message, the serial number of the slave equipment and the longest message time of a preset autonomous message;
and controlling the time delay duration corresponding to each equipment slave machine interval to generate an autonomous message, and transmitting the autonomous message to other equipment slave machines through a logic channel.
8. An equipment slave for communicative connection with a BMS host, the equipment slave comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of a communication method according to any of claims 1-4.
9. A construction equipment management system comprising a BMS master and a plurality of equipment slaves, and a memory, a processor, a computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, implements the steps of a communication method according to any of claims 5-7.
10. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the communication method according to one of claims 1 to 4 or one of claims 5 to 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116980499A (en) * | 2023-08-10 | 2023-10-31 | 湖南银杏电池智能管理技术有限公司 | BMS serial port data transmission method based on Modbus communication protocol |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014220623A (en) * | 2013-05-07 | 2014-11-20 | 山洋電気株式会社 | Inter-master-and-slave mutual communication device and its communication method |
| CN109361581A (en) * | 2018-09-11 | 2019-02-19 | 南京南瑞继保电气有限公司 | A kind of one master and multiple slaves formula high-speed serial communication system and the means of communication |
| CN110807712A (en) * | 2019-11-01 | 2020-02-18 | 云南电网有限责任公司电力科学研究院 | Autonomous control method and system for electric power automation terminal |
-
2020
- 2020-11-24 CN CN202011330039.1A patent/CN112436970B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014220623A (en) * | 2013-05-07 | 2014-11-20 | 山洋電気株式会社 | Inter-master-and-slave mutual communication device and its communication method |
| CN109361581A (en) * | 2018-09-11 | 2019-02-19 | 南京南瑞继保电气有限公司 | A kind of one master and multiple slaves formula high-speed serial communication system and the means of communication |
| CN110807712A (en) * | 2019-11-01 | 2020-02-18 | 云南电网有限责任公司电力科学研究院 | Autonomous control method and system for electric power automation terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116980499A (en) * | 2023-08-10 | 2023-10-31 | 湖南银杏电池智能管理技术有限公司 | BMS serial port data transmission method based on Modbus communication protocol |
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