CN102638590A - Method for configuring communication addresses of indoor units, air-conditioning system and air-conditioning indoor unit - Google Patents
Method for configuring communication addresses of indoor units, air-conditioning system and air-conditioning indoor unit Download PDFInfo
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- CN102638590A CN102638590A CN2012101264830A CN201210126483A CN102638590A CN 102638590 A CN102638590 A CN 102638590A CN 2012101264830 A CN2012101264830 A CN 2012101264830A CN 201210126483 A CN201210126483 A CN 201210126483A CN 102638590 A CN102638590 A CN 102638590A
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Abstract
The invention discloses a method for configuring communication addresses of indoor units, an air-conditioning system and an air-conditioning indoor unit. The method comprises the following steps: in each cycle, each indoor unit sends a competition data frame, and each indoor unit monitors competition data frames sent by other indoor units, wherein the competition data frame sent by each indoor unit carries a communication address needed to be competed by the indoor unit; in each cycle, for each indoor unit, whether the communication address is successfully competed by the indoor unit or not in the cycle is judged according to the communication addresses needed to be competed in the competition data frames sent by the indoor unit and the other indoor units in the cycle, the indoor unit sends a competition data frame which carries the successfully-competed communication address in the next cycle if the communication address is successfully competed by the indoor unit in the cycle, otherwise, the indoor unit sends a competition data frame which carries another communication address needed to be competed in the next cycle; and for each indoor unit, the communication address successfully competed by the indoor unit is configured as the communication address of the indoor unit.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly, relate to a kind of collocation method, air-conditioning system and indoor apparatus of air conditioner of indoor set address.
Background technology
Machine can connect many different interior machines usually in the China and foreign countries of on-line system more than.Interior machine quantity can reach 128 at most.For the communication that guarantees inside and outside machine is normal, every interior machine all must have one unique and with other in the unduplicated address of machine.Residing zone of machine is different with mounting means in these, if adopt the manual address of setting all to make troubles to after sale Installation and Debugging and maintenance.
At present each producer adopts hardware to solidify the address usually during the machine address in realizing automatically setting and sets realization through software by outer machine.When adopting hardware to solidify the address realization, the computer board chip all had unique address number before machine dispatched from the factory in each, and in the time of can realizing installing after sale can not conflict in the address.Set when realizing by outer machine through software, need machine address in the outer machine testing, send out the competition instruction and give interior machine, interior machine receives after the instruction change address automatically.
When adopting hardware to solidify the address realization, the computer plate need increase a special Address Recognition chip, and hardware cost can increase.And set when realizing by outer machine through software, need the leading interior machine address of outer machine automatic setting process.Need repeatedly confirming repeatedly of inside and outside machine during this, increased software design difficulty and complexity, and the time spent is long.
Need inside and outside machine repeatedly repeatedly to confirm in the assignment procedure of machine address to correlation technique China and foreign countries machine in leading and need not propose effective solution at present as yet by the problem of additional hardware chip.
Summary of the invention
Need in the assignment procedure of machine address in leading inside and outside machine repeatedly to confirm repeatedly and need be by the problem of additional hardware chip to correlation technique China and foreign countries machine; The present invention proposes a kind of collocation method, air-conditioning system and indoor apparatus of air conditioner of indoor set address; Can judge address conflict and automatic setting address voluntarily by interior machine, overcome the problem that cost is too high or the time spent is long of automatic setting address commonly used.
Technical scheme of the present invention is achieved in that
According to an aspect of the present invention, a kind of collocation method of indoor set address is provided, has it is characterized in that, a plurality of indoor sets carry out the competition of address at least one cycle.
This collocation method comprises:
In each cycle; Each indoor set sends the competition Frame, and the competition Frame of each other indoor sets transmission of indoor set monitoring, wherein; For each indoor set, carry the address that this indoor set need be competed in the competition Frame that this indoor set sends;
In each cycle; For each indoor set; Judge according to the address of needs competition in the competition Frame of this indoor set in this cycle and other indoor sets transmissions whether this indoor set competes this address success in this cycle; If competition success in this cycle is carried the address of this competition success in the competition Frame that this indoor set sends in following one-period, otherwise this indoor set sends the competition Frame that carries other addresses that need compete in following one-period;
For each indoor set, this indoor set is successfully competed the address that address is configured to this indoor set.
Wherein, In each cycle; The competition Frame that each indoor set sends further comprises random number, and an indoor set judges that whether address that this indoor set will compete in this cycle domestic demand clashes with the address that other indoor sets need be competed in one-period;
And the indoor set that the address of competition clashes is competed the address identical with this cycle in following one-period, and in the competition Frame that sends, carries the random number of reselecting.
In one-period, an indoor set judges that the condition that address that whether address that this indoor set will compete in this cycle domestic demand need be competed with other indoor sets clashes comprises:
This indoor set is corresponding identical respectively with address and random number that at least one indoor set in other indoor sets need be competed.
In addition; Identical at address that a plurality of indoor sets need be competed and under the random number condition of different in the competition Frame that sends; Each indoor set all with its with this a plurality of indoor sets in other indoor sets random number of sending compare, confirm to compete the successful indoor set of this address according to pre-defined rule and comparative result.
In one-period an indoor set judge this indoor set in this cycle whether the condition of competition success comprise: the address that this indoor set need be competed is different with the address that other indoor sets need be competed.
Wherein, For each indoor set; If this indoor set is the same address success of competition continuously in the cycle of predetermined quantity, then definite this indoor set is competed this address, and this indoor set is configured to this address of competition success in a plurality of cycles the address of this indoor set.
And a plurality of indoor sets send the competition Frame in response to the outer machine data frame from off-premises station, and wherein, off-premises station is machine data frame outside a plurality of indoor sets send periodically.
A kind of configuration-system of indoor set address is provided according to another aspect of the present invention.
This configuration-system comprises: comprise off-premises station and a plurality of indoor set, wherein, a plurality of indoor sets carry out the competition of address at least one cycle;
Wherein, each indoor set in a plurality of indoor sets comprises:
Sending module was used in each cycle, sent the competition Frame, wherein, for each indoor set, carried the address that this indoor set need be competed in the competition Frame that the sending module of this indoor set sends;
Monitor module, be used to monitor the competition Frame that other indoor sets send in each cycle;
Judge module was used in each cycle, in the competition Frame that sends according to indoor set and other indoor sets at this module place in this cycle the address of needs competition judge this indoor set whether in this cycle this address of competition successful; If competition success in this cycle; Carry the address of this competition success in the competition Frame that then judge module notice sending module sends in following one-period, otherwise judge module notice sending module sends the competition Frame that carries other addresses that need compete in following one-period;
Configuration module, indoor set is successfully competed under the situation of address at the place, the address of success competition is configured to the address of this indoor set.
According to another aspect of the present invention, a kind of indoor apparatus of air conditioner is provided.
This indoor set comprises:
Sending module was used in each cycle, sent the competition Frame, wherein, for each indoor set, carried the address that this indoor set need be competed in the competition Frame that the sending module of this indoor set sends;
Monitor module, be used to monitor the competition Frame that other indoor sets send in each cycle;
Judge module was used in each cycle, in the competition Frame that sends according to indoor set and other indoor sets at this module place in this cycle the address of needs competition judge this indoor set whether in this cycle this address of competition successful; If competition success in this cycle; Carry the address of this competition success in the competition Frame that then judge module notice sending module sends in following one-period, otherwise judge module notice sending module sends the competition Frame that carries other addresses that need compete in following one-period;
Configuration module, indoor set is successfully competed under the situation of address at the place, the address of success competition is configured to the address of this indoor set.
Wherein, In each cycle; Further comprise random number in the competition Frame of each indoor set through the sending module transmission; And judge module is used for also in each cycle judging that whether address that the place indoor set will compete in this cycle domestic demand clashes with the address that other indoor sets need be competed;
And, if judging the address of competition, judge module clashes, then judge module notice sending module sends the competition Frame that carries the address identical with this cycle in following one-period, and in this competition Frame, carries the random number of reselecting.
In one-period; If indoor set is corresponding identical respectively with address and random number that this indoor set of other indoor sets and at least one indoor set in other indoor sets need be competed, then judge module judges that the address that this indoor set and other indoor sets need be competed clashes.
And; Judge under the random number condition of different in the competition Frame of the identical and transmission of address that at least one indoor set of indoor set and other need compete at judge module; The random number that judge module will belong to indoor set and other at least one indoor set transmissions compares, and whether competes this address success according to pre-defined rule and this indoor set of comparative result.
In addition, if judge module is judged indoor set same address success of competition continuously in the cycle of predetermined quantity at place, then configuration module is configured to the address of competition success in a plurality of cycles the address of this indoor set.
The present invention is through the method for the fast automatic setting of indoor apparatus of air conditioner; Judge voluntarily and detect address conflict and automatic setting address by indoor set; Can accomplish the competition of address fast, avoid information interaction repeatedly, guarantee normally carrying out of communication; And need not to reduce the cost of equipment by the additional hardware chip.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use among the embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart according to the collocation method of the indoor set address of the embodiment of the invention;
Fig. 2 is according to the control flow chart in the collocation method of the indoor set address of the embodiment of the invention;
Fig. 3 is according to the communication sequential chart in the collocation method of the indoor set address of the embodiment of the invention;
Fig. 4 is the block diagram according to the air-conditioning system of the embodiment of the invention;
Fig. 5 is the block diagram according to the indoor apparatus of air conditioner of the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills obtained belongs to the scope that the present invention protects.
According to embodiments of the invention, a kind of collocation method of indoor set address is provided, make a plurality of indoor sets at least one cycle, carry out the competition of address.
As shown in Figure 1, comprise according to the collocation method of the indoor set address of the embodiment of the invention:
Step S101, in each cycle, each indoor set sends the competition Frame; And each indoor set is monitored the competition Frame that other indoor sets send; Wherein, for each indoor set, carry the address that this indoor set need be competed in the competition Frame that this indoor set sends;
Step S103; In each cycle; For each indoor set; Judge according to the address of needs competition in the competition Frame of this indoor set in this cycle and other indoor sets transmissions whether this indoor set competes this address success in this cycle; If competition success in this cycle is carried the address of this competition success in the competition Frame that this indoor set sends in following one-period, otherwise this indoor set sends the competition Frame that carries other addresses that need compete in following one-period;
Step S105 for each indoor set, successfully competes this indoor set against the address that address is configured to this indoor set.
Wherein, In each cycle; The competition Frame that each indoor set sends further comprises random number, and an indoor set judges that whether address that this indoor set will compete in this cycle domestic demand clashes with the address that other indoor sets need be competed in one-period;
And the indoor set that the address of competition clashes is competed the address identical with this cycle in following one-period, and in the competition Frame that sends, carries the random number of reselecting.
In one-period; One indoor set judges that whether this indoor set at address that this cycle domestic demand will be competed with the condition that address that other indoor sets need be competed clashes can be: address that this indoor set and at least one indoor set in other indoor sets need be competed and random number corresponding respectively identical (promptly; The address that carries in the Frame that two or more indoor sets send is mutually the same, and the random number of carrying in the Frame of these indoor sets transmissions is mutually the same).
In addition; Identical at address that a plurality of indoor sets need be competed and under the random number condition of different in the competition Frame that sends; Each indoor set all with its with this a plurality of indoor sets in other indoor sets random number of sending compare, confirm to compete the successful indoor set of this address according to pre-defined rule and comparative result.Wherein, pre-defined rule can be with sending the indoor set of the less indoor set of the random number of carrying in the competition Frame as competition success.Certainly, also can be with sending the indoor set of the bigger indoor set of the random number of carrying in the competition Frame as competition success.
In addition, if the address that the address that this indoor set need be competed and other indoor sets need be competed is different, also can judge this indoor set competition success in this cycle.
That is to say,, just can know that also whether successfully and/or whether compete and clash this indoor set and other indoor sets to the competition of address because each indoor set can both be known the competition Frame that other indoor sets send.
Wherein, For each indoor set; If this indoor set is the same address success of competition continuously in the cycle of predetermined quantity, then definite this indoor set is competed this address, and this indoor set is configured to this address of competition success in a plurality of cycles the address of this indoor set.
If an indoor set is competed the failure of address in one-period, this indoor set following one-period domestic demand to compete other addresses, and carry the address that is different from the competition of this cycle in the competition Frame that in following one-period, sends.When selecting the address that following one-period need compete, can select according to address order from small to large, can certainly select according to other orders or certain specific policy.
In scheme of the present invention; The process of a plurality of indoor set competition addresses is periodically to carry out; And a plurality of indoor sets can be according to regularly and spontaneous initiation competition also can be sent the competition Frame in response to the outer machine data frame from off-premises station; Wherein, off-premises station can be periodically outside a plurality of indoor sets send the machine data frame.
As shown in Figure 2; After the electrical chip initialization on the indoor apparatus of air conditioner; The outer machine data frame that reception is sent from outer machine; OU FR (time point of the transmission of this Frame can be with reference to Fig. 3, and can comprise in this Frame that off-premises stations such as pressure, frequency need Periodic Notice to give the parameter of a plurality of indoor sets) for example.Indoor set sends the address and competes the identification data frame automatically then, for example AUTO_FR (time point of transmission can with reference to Fig. 3).Indoor set exists the address in EEPROM (Electrically Erasable Programmable Read-Only Memory the abbreviates EEPROM as) chip to send data successively with current, for example IN1 FR～INn FR.Indoor set can be monitored the data in other indoor set on the bus simultaneously after having sent the data of oneself.According to the address that comprises in the indoor set Frame, can judge whether the indoor set address has conflict.After all indoor sets sent Frame, indoor and outdoor machine finished the epicycle communication.
In the next round communication, off-premises station continues machine data frame, for example OU FR outside indoor set sends.If indoor set has detected the indoor set address conflict in last round of communication, can continue to send address of indoor unit and compete identification data frame, for example AUTO_FR automatically.In all indoor sets; There is not the indoor set of address conflict to continue to use current address transmission data; (address is by arranging from small to large and the indoor set of address conflict is competed the residue address that is not identified on the use bus successively; For example: 0,1,2......), machine data frame in the dispatcher's office.After this took turns the communication end, next round communication meeting continued to judge.If address conflict does not take place, then indoor and outdoor machine gets into the normal communication stage.When N continuous time (for example, N can be 3 times, 4 times, 5 times or more times, can set as the case may be) no address of indoor unit conflict and competition success, the address of the current use of indoor set can be write in the eeprom chip of oneself, carries out the address preservation.
According to embodiments of the invention, a kind of air-conditioning system is provided also.
As shown in Figure 4, comprise according to the air-conditioning system of the embodiment of the invention: comprise off-premises station 1 and a plurality of indoor sets 2, wherein, a plurality of indoor sets carry out the competition of address at least one cycle;
Wherein, each indoor set in a plurality of indoor sets comprises:
Sending module 21 was used in each cycle, sent the competition Frame, wherein, for each indoor set, carried the address that this indoor set need be competed in the competition Frame that the sending module 21 of this indoor set sends;
Monitor module 22, be used to monitor the competition Frame that other indoor sets send in each cycle;
Judge module 23 was used in each cycle, need in the competition Frame that sends based on indoor set and other indoor sets at this module place in this cycle the address of competition judge this indoor set whether in this cycle this address of competition successful; If competition success in this cycle; Then carry the address of this competition success in the competition Frame that judge module 23 notice sending modules 21 send in following one-period, otherwise judge module 23 notice sending modules 21 send the competition Frame that carries other addresses that need compete in following one-period;
Configuration module 24, indoor set is successfully competed under the situation of address at the place, the address of success competition is configured to the address of this indoor set.
According to embodiments of the invention, a kind of indoor apparatus of air conditioner is provided also.
This indoor set comprises:
Sending module 51 was used in each cycle, sent the competition Frame, wherein, for each indoor set, carried the address that this indoor set need be competed in the competition Frame that the sending module 51 of this indoor set sends;
Wherein, In each cycle; Further comprise random number in the competition Frame of each indoor set through sending module 51 transmissions; And judge module 53 is used for also in each cycle judging that whether address that the place indoor set will compete in this cycle domestic demand clashes with the address that other indoor sets need be competed;
And; If judge module 53 judges that the address of competition clashes; Then judge module 53 notice sending modules 51 send the competition Frame that carries the address identical with this cycle in following one-period, and in this competition Frame, carry the random number of reselecting.
In one-period; If indoor set is corresponding identical respectively with address and random number that this indoor set of other indoor sets and at least one indoor set in other indoor sets need be competed, then judge module 53 judges that the address that this indoor set and other indoor sets need be competed clashes.
And; Judge under the random number condition of different in the competition Frame of the identical and transmission of address that at least one indoor set of indoor set and other need compete at judge module 53; The random number that judge module 53 will belong to indoor set and other at least one indoor set transmissions compares, and whether competes this address success according to pre-defined rule and this indoor set of comparative result.
In addition, if judge module 53 is judged indoor set same address success of competition continuously in the cycle of predetermined quantity at place, then configuration module is configured to the address of competition success in a plurality of cycles the address of this indoor set.
In sum, by means of technique scheme of the present invention, through the method for the fast automatic setting of multi-online indoor machine; Judge address conflict and automatic setting address voluntarily by indoor set; Guarantee normally carrying out of communication, can accomplish the competition of address fast, avoid information interaction repeatedly; Guarantee normally carrying out of communication; And need not by the additional hardware chip, and the cost that can reduce manual setting address and hardware automatic setting, the efficient and the quality of raising software automatic setting.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the collocation method of an indoor set address is characterized in that, a plurality of indoor sets carry out the competition of address at least one cycle, and wherein, this collocation method comprises:
In each cycle; Each indoor set sends the competition Frame, and the competition Frame of each other indoor sets transmission of indoor set monitoring, wherein; For each indoor set, carry the address that this indoor set need be competed in the competition Frame that this indoor set sends;
In each cycle; For each indoor set; Judge according to the address of needs competition in the competition Frame of this indoor set in this cycle and other indoor sets transmissions whether this indoor set competes this address success in this cycle; If competition success in this cycle is carried the address of this competition success in the competition Frame that this indoor set sends in following one-period, otherwise this indoor set sends the competition Frame that carries other addresses that need compete in following one-period;
For each indoor set, this indoor set is successfully competed the address that address is configured to this indoor set.
2. collocation method according to claim 1; It is characterized in that; In each cycle; The competition Frame that each indoor set sends further comprises random number, and an indoor set judges that whether address that this indoor set will compete in this cycle domestic demand clashes with the address that other indoor sets need be competed in one-period;
And the indoor set that the address of competition clashes is competed the address identical with this cycle in following one-period, and in the competition Frame that sends, carries the random number of reselecting.
3. collocation method according to claim 2 is characterized in that, in one-period, an indoor set judges that the condition that address that whether address that this indoor set will compete in this cycle domestic demand need be competed with other indoor sets clashes comprises:
This indoor set is corresponding identical respectively with address and random number that at least one indoor set in other indoor sets need be competed.
4. collocation method according to claim 2; It is characterized in that; Identical at address that a plurality of indoor sets need be competed and under the random number condition of different in the competition Frame that sends; Each indoor set all with its with this a plurality of indoor sets in other indoor sets random number of sending compare, confirm to compete the successful indoor set of this address according to pre-defined rule and comparative result.
5. collocation method according to claim 1 is characterized in that, in one-period an indoor set judge this indoor set in this cycle whether the condition of competition success comprise:
The address that this indoor set need be competed is different with the address that other indoor sets need be competed.
6. collocation method according to claim 1; It is characterized in that; For each indoor set; If this indoor set is the same address success of competition continuously in the cycle of predetermined quantity, then definite this indoor set is competed this address, and this indoor set is configured to the address of competition success in said a plurality of cycles the address of this indoor set.
7. collocation method according to claim 1; It is characterized in that; Said a plurality of indoor set sends the competition Frame in response to the outer machine data frame from said off-premises station, and wherein, said off-premises station is machine data frame outside said a plurality of indoor sets transmissions are said periodically.
8. an air-conditioning system is characterized in that, comprises off-premises station and a plurality of indoor set, and wherein, said a plurality of indoor sets carry out the competition of address at least one cycle;
Wherein, each indoor set in said a plurality of indoor set comprises:
Sending module was used in each cycle, sent the competition Frame, wherein, for said each indoor set, carried the address that this indoor set need be competed in the competition Frame that the sending module of this indoor set sends;
Monitor module, be used to monitor the competition Frame that other indoor sets send in each cycle;
Judge module was used in each cycle, in the competition Frame that sends according to indoor set and other indoor sets at this module place in this cycle the address of needs competition judge this indoor set whether in this cycle this address of competition successful; If competition success in this cycle; Carry the address of this competition success in the competition Frame that then said judge module notifies said sending module in following one-period, to send, otherwise said judge module notifies said sending module in following one-period, to send the competition Frame that carries other addresses that need compete;
Configuration module, indoor set is successfully competed under the situation of address at the place, the address of success competition is configured to the address of this indoor set.
9. an indoor apparatus of air conditioner is characterized in that, said indoor set comprises:
Sending module was used in each cycle, sent the competition Frame, wherein, for said each indoor set, carried the address that this indoor set need be competed in the competition Frame that the sending module of this indoor set sends;
Monitor module, be used to monitor the competition Frame that other indoor sets send in each cycle;
Judge module was used in each cycle, in the competition Frame that sends according to indoor set and other indoor sets at this module place in this cycle the address of needs competition judge this indoor set whether in this cycle this address of competition successful; If competition success in this cycle; Carry the address of this competition success in the competition Frame that then said judge module notifies said sending module in following one-period, to send, otherwise said judge module notifies said sending module in following one-period, to send the competition Frame that carries other addresses that need compete;
Configuration module, indoor set is successfully competed under the situation of address at the place, the address of success competition is configured to the address of this indoor set.
10. indoor apparatus of air conditioner according to claim 9; It is characterized in that; In each cycle; Further comprise random number in the competition Frame that each indoor set sends through said sending module, and said judge module is used for also in each cycle, judging that whether address that the place indoor set will compete in this cycle domestic demand clashes with the address that other indoor sets need be competed;
And; If said judge module is judged the address of competition and is clashed; Then said judge module notifies said sending module in following one-period, to send the competition Frame that carries the address identical with this cycle, and in this competition Frame, carries the random number of reselecting.
11. indoor apparatus of air conditioner according to claim 10; It is characterized in that; In one-period; If said indoor set is corresponding identical respectively with address and random number that this indoor set of other indoor sets and at least one indoor set in other indoor sets need be competed, then said judge module judges that the address that this indoor set and other indoor sets need be competed clashes.
12. indoor apparatus of air conditioner according to claim 10; It is characterized in that; Judge under the random number condition of different in the competition Frame that address that at least one indoor set of said indoor set and other need compete is identical and send at said judge module; The random number that said judge module will belong to indoor set and said other at least one indoor sets transmissions compares, and whether competes this address success according to pre-defined rule and this indoor set of comparative result.
13. indoor apparatus of air conditioner according to claim 9; It is characterized in that; If said judge module is judged indoor set same address success of competition continuously in the cycle of predetermined quantity at place, then said configuration module is configured to the address of competition success in said a plurality of cycles the address of this indoor set.
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| CN106789498A (en) * | 2016-12-05 | 2017-05-31 | 广州视源电子科技股份有限公司 | The network address assignment method of Modbus communication networks, from node device and communication system |
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| CN101446438A (en) * | 2008-08-29 | 2009-06-03 | 广东志高空调有限公司 | Method for assigning address to indoor unit of central air-conditioning system, device and system thereof |
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| CN104348922B (en) * | 2013-07-26 | 2018-01-16 | 海尔集团公司 | A kind of line traffic control address of node competing method and circuit |
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| CN105847456A (en) * | 2015-01-13 | 2016-08-10 | 浙江大华技术股份有限公司 | RS485 automatic address distribution method, device and system |
| CN105847456B (en) * | 2015-01-13 | 2019-07-16 | 浙江大华技术股份有限公司 | A kind of RS485 distributes address methods, devices and systems automatically |
| CN106789498A (en) * | 2016-12-05 | 2017-05-31 | 广州视源电子科技股份有限公司 | The network address assignment method of Modbus communication networks, from node device and communication system |
| CN106789498B (en) * | 2016-12-05 | 2019-12-20 | 广州视源电子科技股份有限公司 | Network address allocation method of Modbus communication network, slave node equipment and communication system |
| CN110769078A (en) * | 2019-10-17 | 2020-02-07 | 广东美的制冷设备有限公司 | Address allocation method and system |
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