CN110278138A - The communication system and method for kinds of goods management - Google Patents
The communication system and method for kinds of goods management Download PDFInfo
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- CN110278138A CN110278138A CN201910571388.3A CN201910571388A CN110278138A CN 110278138 A CN110278138 A CN 110278138A CN 201910571388 A CN201910571388 A CN 201910571388A CN 110278138 A CN110278138 A CN 110278138A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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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
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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
- H04L12/40169—Flexible bus arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/16—Threshold monitoring
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
- G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
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Abstract
The present invention provides the communication systems and method of a kind of kinds of goods management, it is related to communication technique field, the system includes: the host computer communication being connected and external communication terminal, carry multistage node under host computer communication, wherein, multiple nodes of the carry under host computer communication are father node, and node of the carry under each father node is child node；Whole status informations are integrated into state data packets, and state data packets are sent to even higher level of node for acquiring the status information of next stage whole node by child nodes at different levels；Father node, for the state data packets from next stage child node to be sent to host computer communication；Host computer communication, for state data packets to be transmitted to external communication terminal；It is also used to receive the inventory information of external communication terminal, and inventory information is transmitted to downwards destination node by nodes at different levels step by step.The present invention can extend RS485 bus can carry node quantity, thus alleviate to kinds of goods or shelf management the problem of.
Description
Technical field
The present invention relates to communication technique fields, more particularly, to the communication system and method for a kind of kinds of goods management.
Background technique
The communication modes of existing kinds of goods or shelf management mostly use RS485 bus, and which is able to satisfy kinds of goods type not
More few situations of management node in other words, but when kinds of goods type is more and needs multinode communication management, due to tradition
Limitation of the RS485 bus to number of nodes can there are problems that being unable to satisfy kinds of goods or shelf management.
Summary of the invention
The purpose of the present invention is to provide the communication system of kinds of goods management and methods, can carry section to extend RS485 bus
The quantity of point, thus the problem of alleviating to kinds of goods or shelf management.
The communication system of kinds of goods management provided by the invention, comprising: the host computer communication and external communication terminal being connected, institute
State carry multistage node under host computer communication, wherein multiple nodes of the carry under the host computer communication are father node, and carry is in every
Node under a father node is child node；The child nodes at different levels will be complete for acquiring the status information of next stage whole node
Status information described in portion is integrated into state data packets, and the state data packets are sent to even higher level of node；The father node,
For the state data packets from next stage child node to be sent to the host computer communication；The host computer communication, being used for will
The state data packets are transmitted to the external communication terminal；It is also used to receive the inventory information of the external communication terminal, and
The inventory information is transmitted to downwards destination node by nodes at different levels step by step；Wherein, include in the inventory information and institute
State the associated address identification message of destination node.
Further, each node is provided with cyclic redundancy check code CRC check data bit；Each node
It is also used to extract address identification message from inventory information, associated destination node is determined according to the address identification message,
The inventory information is transmitted to downwards the destination node step by step according to the CRC check data bit.
Further, the child node, which is also used to verify the CRC check data bit of the even higher level of node of institute's carry, is
It is no correct, if correctly, the inventory information is transmitted to downwards the destination node step by step；If mistake, to described upper one
Grade node, which is sent, retransmits notice, so that the even higher level of node retransmits the inventory information.
Further, the even higher level of node is also used to count the retransmission number of the inventory information, when described heavy
When new transmission times is more than preset times threshold value, the fault message of communication line is generated, and by the transmitting fault information to institute
Host computer communication is stated, so that the host computer communication, which sends maintenance to the external communication terminal according to the fault message, reminds letter
Breath；Wherein, the even higher level of node includes the father node or the child node.
Further, during described by the transmitting fault information to the host computer communication, the upper level section
Point is used for: the fault message is transmitted to the host computer communication by communication link according to the pre-stored data step by step upwards；Wherein, institute
State at least one node or at least one node link that communication link includes ordered arrangement.
Further, during described by the transmitting fault information to the host computer communication, the host computer communication
For: error detection data packet is sent to each node according to prefixed time interval, and receives the node based on described
The fault message of error detection data packet passback.
Further, every first nodes are addressed by independent addressing mode.
Further, electronic display is provided on each node.
The means of communication of kinds of goods management provided by the invention, the method are applied to the communication system of above-mentioned kinds of goods management
System, the method are executed by host computer communication, comprising: receive the state data packets that father node uploads；Wherein, the state data packets
It is the status information of child node acquisition next stage whole node, is obtained after all status informations are integrated；By institute
It states state data packets and is transmitted to external communication terminal, and receive the inventory information of the external communication terminal, and by the goods
Product information is transmitted to downwards destination node by nodes at different levels step by step；Wherein, include in the inventory information and the target section
The associated address identification message of point.
Further, each node is provided with cyclic redundancy check code CRC check data bit；It is described by the goods
The step of product information is transmitted to downwards destination node by nodes at different levels step by step, comprising: address mark is extracted from inventory information
Information determines associated destination node according to the address identification message, according to the CRC check data bit by the kinds of goods
Information is transmitted to downwards the destination node step by step.
The communication system and method for kinds of goods management provided by the invention, the system include: the host computer communication that is connected and outer
Portion's communicating terminal, carry multistage node under host computer communication, wherein multiple nodes of the carry under host computer communication are father node, are hung
The node being loaded under each father node is child node；Child nodes at different levels will for acquiring the status information of next stage whole node
Whole status informations are integrated into state data packets, and state data packets are sent to even higher level of node；Father node, for that will come from
The state data packets of next stage child node are sent to host computer communication；Host computer communication is external logical for being transmitted to state data packets
Interrogate terminal；It is also used to receive the inventory information of external communication terminal, and inventory information is transmitted downwards step by step by nodes at different levels
To destination node.The present invention by the carry multistage node under host computer communication, and under every grade of node carry downstream site it is logical
Connection type is interrogated, so that each node can only be communicated with its even higher level of node and next stage node, without direct with phase
Adjacent node is communicated, and can substantially reduce the quantity of carry node on individual node in this way, by can carry in RS485 bus
Number of nodes be multiplied, thus alleviate to kinds of goods or shelf management the problem of.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the communication system architectures block diagram of kinds of goods management provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the communication system of kinds of goods management provided in an embodiment of the present invention；
Fig. 3 is the means of communication flow chart of kinds of goods management provided in an embodiment of the present invention；
Fig. 4 is inventory information transmission method flow chart provided in an embodiment of the present invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Currently, traditional RS485 bus will limit number of nodes, it is based on this, a kind of kinds of goods provided in an embodiment of the present invention
The communication system and method for management, can extend RS485 bus can carry node quantity, thus alleviate to kinds of goods or goods supporting pipe
The problem of reason.
For the communication convenient for understanding the present embodiment, first to a kind of kinds of goods management disclosed in the embodiment of the present invention
System describes in detail.
Embodiment one:
A kind of communication system of kinds of goods management shown in referring to Fig.1, the system include: 104 He of host computer communication being connected
External communication terminal 102, the lower carry multistage node 106 of host computer communication 104, wherein multiple sections of the carry under host computer communication 104
Point 106 is father node, and node 106 of the carry under each father node is child node.
In the present embodiment, external communication terminal 102 can be the equipment such as mobile phone, tablet computer and the computer of employee.
The rank of the node 106 of the lower institute's carry of host computer communication 104 for ease of understanding, can refer to the communication of kinds of goods management as shown in Figure 2
The structural schematic diagram of system, in Fig. 2, host computer communication 104 can be RS485 host computer communication；Father node may include level-one section
Point 1, first nodes 2 ... and first nodes n；The child node of first nodes 1 may include two-level node 1-1, two-level node 1-
2 ... and two-level node 1-n；The next stage node of two-level node 1-1 may include three-level node, level Four node ... and N grades
Node.
Based on the communication system of above-mentioned kinds of goods management, working principle include: every first nodes to carry on it
The data of next stage node are integrated and are handled, specifically:
Whole status informations are integrated into state for acquiring the status information of next stage whole node by child nodes at different levels
Data packet, and state data packets are sent to even higher level of node.
Father node, for the state data packets from next stage child node to be sent to host computer communication.
Such as, the status number of the n node of two-level node 1-1 to two-level node 1-n of the first nodes 1 to carry on it
According to being integrated and being analyzed, the status data on these nodes is integrated into a state data packets and is sent to RS485 communication master
Machine.The working method of child nodes at different levels down is also in this way, each node only can be with its even higher level of node and next stage node
It is communicated, is communicated without direct with adjacent node, carry node on individual node can be substantially reduced in this way
Quantity, can by RS485 bus can the number of nodes of carry be multiplied.
Host computer communication, for state data packets to be transmitted to external communication terminal.In practical applications, host computer communication is by shape
After state data packet is transmitted to external communication terminal, external communication terminal can be analyzed and processed state data packets, thus real
Now to the supervision of kinds of goods/shelf.
Host computer communication is above-mentioned from node to the Data Integration in host direction in addition to may be implemented, can also realize from host to
The data of node direction are transmitted.Host computer communication is also used to receive the inventory information of external communication terminal, and inventory information is passed through
Nodes at different levels are transmitted to downwards destination node step by step.It wherein, include address mark associated with destination node in inventory information
Information, inventory information can also include the information such as outbound, storage and the inventory of kinds of goods.
In a kind of concrete implementation mode, electronic display may be provided on each node.When RS485 host computer communication
After inventory information is transmitted to destination node step by step downwards by nodes at different levels by bus, destination node can be to inventory information
The processing such as information sifting, format conversion are carried out, processing result are shown in installed electronic display.
Either during from node to the Data Integration in host direction, or in the data from host to node direction
In transmittance process, each node can be utilized, and can be connected electronic display progress information and be shown that each node is suitable
In traditional RS485 signal repeater.
The communication system of kinds of goods management provided by the present embodiment, comprising: the host computer communication and external communication being connected are whole
It holds, carry multistage node under host computer communication, wherein multiple nodes of the carry under host computer communication are father node, and carry is in each
Node under father node is child node；Child nodes at different levels, for acquiring the status information of next stage whole node, by whole states
Information is integrated into state data packets, and state data packets are sent to even higher level of node；Father node, for next stage will to be come from
The state data packets of node are sent to host computer communication；Host computer communication, for state data packets to be transmitted to external communication terminal；Also
Target section is transmitted to step by step downwards by nodes at different levels for receiving the inventory information of external communication terminal, and by inventory information
Point.The present embodiment by the carry multistage node under host computer communication, and under every grade of node carry downstream site communication connection
Mode, so that each node can only be communicated with its even higher level of node and next stage node, without direct and adjacent section
Point communicated, the quantity of carry node on individual node can be substantially reduced in this way, by RS485 bus can carry node
Quantity is multiplied, thus the problem of alleviating to kinds of goods or shelf management.
It is that uniquely, not may occur in which in view of traditional RS485 bus protocol needs each node address when being communicated
It repeats, this makes addressed nodes quantity by the limitation of address size.In the present embodiment, every first nodes can be by only
Vertical addressing mode is addressed.Node is set to repeat identical address in addressing by independent addressing mode, such as
Address is from 1 to 100 in first nodes, and two-level node address also may be encoded as 1 to 100, and the node being mounted in bus in this way exists
The extension of geometric multiple can be obtained under identical address size in identical situation.
The problem of to prevent data from going out active data during RS485 bus transfer, the present embodiment can be each
CRC (Cyclic Redundancy Check, cyclic redundancy check code) verification data bit namely each section are added on node
CRC check data bit has can be set in point.Based on this, inventory information is transmitted to downwards step by step by nodes at different levels above-mentioned
It may include: that each node is also used to extract address identification message from inventory information, according to address during destination node
Identification information determines associated destination node, and inventory information is transmitted to downwards target step by step further according to CRC check data bit
Node.
In practical applications, if destination node is father node, father node can directly receive the goods from host computer communication
Product information.
In one implementation, child node, which is also used to verify the CRC check data bit of the even higher level of node of institute's carry, is
It is no correct, if correctly, inventory information is transmitted to downwards destination node step by step；If mistake, weight is sent to even higher level of node
It sends out public notice, so that even higher level of node retransmits inventory information.
Specifically, in direction of communication of the host computer communication to node, what next stage node can send even higher level of node
CRC check data bit in inventory information is compared with the CRC check data bit of this node.If comparison result matches
It determines that the CRC check data bit of even higher level of node is correct, and inventory information is continued to be transmitted to next stage node again, equally
, then next stage node also will do it the comparison of CRC check data bit, until inventory information to be transmitted to downwards to target section step by step
Point.The CRC check data bit of determining even higher level of node is wrong if comparison result mismatches, at this point, next stage node
Even higher level of node can be notified to retransmit inventory information.
Even higher level of node notifies after retransmitting inventory information that even higher level of node can be with according to the repeating transmission of next stage node
For counting the retransmission number of inventory information, when retransmitting number more than preset times threshold value, communication line is indicated
There is exception, the fault message of communication line can be generated, and by transmitting fault information to host computer communication, so that host computer communication root
Maintenance prompting message is sent to external communicating terminal according to fault message, administrator is notified to handle the node to go wrong.
Wherein, the even higher level of node that above-mentioned statistics retransmits number both can be father node, or child node.
For ease of understanding, the present embodiment provides the above-mentioned two ways for uploading fault message, is described as follows:
(1) mode is passively uploaded.During by transmitting fault information to host computer communication, even higher level of node is used for: root
Fault message is transmitted to host computer communication step by step upwards according to pre-stored communication link；Wherein, communication link includes orderly arranging
At least one node or at least one node link of column.Specifically, record has expression to pass in the flash memory of each node
The communication link in defeated path；The communication link may include by the complete ordered arrangement of host computer communication level-one child node to the end
At least one node or at least one node link.The communication link can also be reference with each node, including by leading to
At least one node or at least one node link of news host to the ordered arrangement between the next stage node of each node；It is all
Such as by taking three-level node 1-1 as an example, the communication link recorded in three-level node 1-1 includes by host computer communication to n level Four node (1-
1 to 1-n) node or node link between.The reason of next stage node is recorded is: each node can know its needs
The address of node transmitted downwards.The superior and the subordinate address of node that the communication link can also be connected including each node, such as three
The communication link recorded in grade node 1-1 includes two-level node 1-1 and n level Four address of node；The communication link amount of storage
It is small, and can satisfy upward, downward data transmission.
It since inventory information is issued by host computer communication, is transmitted by grade grade and reaches destination node, every first nodes receive goods
Product information can return reply data packet, and fault message is to be transmitted by reply data packet.Meet in this way
The case where principal and subordinate's mechanism of standard RS485 bus is not in node active transmission data.
(2) active upload mode.During by transmitting fault information to host computer communication, host computer communication is used for: according to
Prefixed time interval sends error detection data packet, and the event that receiving node is returned based on error detection data packet to each node
Hinder information.
To sum up, the communication system of kinds of goods management provided in this embodiment, by the carry multistage node under host computer communication, and
The communication connection mode of carry downstream site under every grade of node, so that each node only can be with its even higher level of node and next stage
Node is communicated, and is communicated without direct with adjacent node, can substantially reduce carry section on individual node in this way
Point quantity, extension RS485 bus can carry node quantity, thus alleviate to kinds of goods or shelf management the problem of.Further
, node is addressed by independent addressing mode, can by RS485 bus can the number of nodes of carry be multiplied.
Further, the problem of losing data is prevented by the way that CRC check data bit is arranged in data transmission procedure.
Embodiment two:
The communication system of kinds of goods management provided by one based on the above embodiment, the present embodiment provides a kind of as shown in Figure 3
Kinds of goods management the means of communication, this method is applied to the communication system of above-mentioned kinds of goods management, and this method held by host computer communication
Row, comprising:
Step S302 receives the state data packets that father node uploads；Wherein, state data packets are child node acquisition next stage
The status information of whole nodes obtains after being integrated whole status informations；
State data packets are transmitted to external communication terminal by step S304, and receive the kinds of goods letter of external communication terminal
Breath, and inventory information is transmitted to downwards destination node by nodes at different levels step by step；Wherein, include in inventory information and target section
The associated address identification message of point.
The means of communication of kinds of goods management provided in this embodiment, are executed by host computer communication, this method comprises: receiving father node
The state data packets of upload；Wherein, state data packets are the status informations of child node acquisition next stage whole node, by whole shapes
What state information obtained after being integrated；State data packets are transmitted to external communication terminal, and receive external communication terminal
Inventory information, and inventory information is transmitted to downwards destination node by nodes at different levels step by step；Wherein, include in inventory information with
The associated address identification message of destination node.In the present invention host computer communication by father node and child node to state data packets and
Inventory information is transmitted, and this data transfer mode reduces the limitation of transmission node, can effectively improve efficiency of transmission, from
And the problem of alleviating to kinds of goods or shelf management.
In some embodiments, each node is provided with CRC check data bit；Referring to Fig. 4, inventory information is passed through
Nodes at different levels are transmitted to downwards the step of destination node step by step, comprising: step S402 extracts address mark letter from inventory information
Breath, determines associated destination node according to address identification message；Step S404, according to CRC check data bit by inventory information
It is transmitted to destination node step by step downwards.
In some embodiments, inventory information is transmitted to downwards by destination node according to CRC check data bit step by step
Step, comprising: whether the CRC check data bit that child node verifies the even higher level of node of institute's carry is correct, if correctly, by kinds of goods
Information is transmitted to downwards destination node step by step；If mistake, is sent to even higher level of node and retransmit notice, so that even higher level of node weight
It is new to send inventory information.
In some embodiments, even higher level of node retransmits the step of inventory information further include: even higher level of node system
The retransmission number for counting inventory information generates the failure of communication line when retransmitting number more than preset times threshold value
Information, and by transmitting fault information to host computer communication, it is tieed up so that host computer communication is sent according to fault message to external communicating terminal
Repair prompting message；Wherein, even higher level of node includes father node or child node.
In some embodiments, during by transmitting fault information to host computer communication, according to being deposited in advance in node
Fault message is transmitted to host computer communication by the communication link of storage step by step upwards；Wherein, communication link include ordered arrangement at least
One node or at least one node link.
In some embodiments, during by transmitting fault information to host computer communication, host computer communication is according to default
Time interval sends error detection data packet, and the failure letter that receiving node is returned based on error detection data packet to each node
Breath.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of communication system of kinds of goods management characterized by comprising the host computer communication and external communication terminal being connected,
Carry multistage node under the host computer communication, wherein multiple nodes of the carry under the host computer communication be father node, carry in
Node under each father node is child node；
All status informations are integrated by the child nodes at different levels for acquiring the status information of next stage whole node
State data packets, and the state data packets are sent to even higher level of node；
The father node, for the state data packets from next stage child node to be sent to the host computer communication；
The host computer communication, for the state data packets to be transmitted to the external communication terminal；It is also used to receive described outer
The inventory information of portion's communicating terminal, and the inventory information is transmitted to downwards destination node by nodes at different levels step by step；Wherein,
It include address identification message associated with the destination node in the inventory information.
2. system according to claim 1, which is characterized in that each node is provided with cyclic redundancy check code
CRC check data bit；
Each node is also used to extract address identification message from inventory information, determines phase according to the address identification message
The inventory information is transmitted to downwards the destination node according to the CRC check data bit by associated destination node step by step.
3. system according to claim 2, which is characterized in that the child node is also used to verify the upper level section of institute's carry
Whether the CRC check data bit of point is correct, if correctly, the inventory information to be transmitted to downwards to the target section step by step
Point；If mistake, Xiang Suoshu even higher level of node, which is sent, retransmits notice, so that the even higher level of node retransmits the kinds of goods letter
Breath.
4. system according to claim 3, which is characterized in that the even higher level of node is also used to count the inventory information
Retransmission number, when the retransmission number be more than preset times threshold value when, generate the fault message of communication line, and
By the transmitting fault information to the host computer communication, so that the host computer communication is logical to the outside according to the fault message
It interrogates terminal and sends maintenance prompting message；Wherein, the even higher level of node includes the father node or the child node.
5. system according to claim 4, which is characterized in that lead the transmitting fault information to the communication described
During machine, the even higher level of node is used for:
The fault message is transmitted to the host computer communication by communication link according to the pre-stored data step by step upwards；Wherein, described
Communication link includes at least one node or at least one node link of ordered arrangement.
6. system according to claim 4, which is characterized in that lead the transmitting fault information to the communication described
During machine, the host computer communication is used for:
Error detection data packet is sent to each node according to prefixed time interval, and receives the node and is based on the mistake
The accidentally fault message of detecting data packet passback.
7. system according to claim 1, which is characterized in that every first nodes are compiled by independent addressing mode
Location.
8. system according to claim 1, which is characterized in that be provided with electronic display on each node.
9. a kind of means of communication of kinds of goods management, which is characterized in that the method is applied to such as any one of claim 1 to 8 institute
The communication system for the kinds of goods management stated, the method are executed by host computer communication, comprising:
Receive the state data packets that father node uploads；Wherein, the state data packets are child node acquisition next stage whole nodes
Status information, obtained after all status informations are integrated；
The state data packets are transmitted to external communication terminal, and receive the inventory information of the external communication terminal, and
The inventory information is transmitted to downwards destination node by nodes at different levels step by step；Wherein, include in the inventory information and institute
State the associated address identification message of destination node.
10. according to the method described in claim 9, it is characterized in that, each node is provided with cyclic redundancy check code
CRC check data bit；
The described the step of inventory information is transmitted to downwards destination node by nodes at different levels step by step, comprising:
Address identification message is extracted from inventory information, and associated destination node, root are determined according to the address identification message
The inventory information is transmitted to downwards the destination node step by step according to the CRC check data bit.
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