CN109474585A - Knitting Machinery long-range control method Internet-based and system - Google Patents
Knitting Machinery long-range control method Internet-based and system Download PDFInfo
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- CN109474585A CN109474585A CN201811276175.XA CN201811276175A CN109474585A CN 109474585 A CN109474585 A CN 109474585A CN 201811276175 A CN201811276175 A CN 201811276175A CN 109474585 A CN109474585 A CN 109474585A
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- 238000009940 knitting Methods 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000003993 interaction Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000000977 initiatory effect Effects 0.000 claims description 5
- 238000012790 confirmation Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 5
- 230000006855 networking Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/143—Termination or inactivation of sessions, e.g. event-controlled end of session
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/143—Termination or inactivation of sessions, e.g. event-controlled end of session
- H04L67/145—Termination or inactivation of sessions, e.g. event-controlled end of session avoiding end of session, e.g. keep-alive, heartbeats, resumption message or wake-up for inactive or interrupted session
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- General Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
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Abstract
Knitting Machinery long-range control method Internet-based provided by the invention sends instruction according to practical condition or equipment situation by upper layer MES system by administrative staff, achievees the purpose that upper layer remotely controls and system administration；Request/response information exchange mode is used between server and Knitting Machinery；The first step, server initiate session management, if allowing, then are remotely controlled and system administration；If refusal, closes session；After allowing session, server can be transmitted system and open/deactivate information, and whether control Knitting Machinery enables；After allowing session, system upgrade information, the upgrading of active control management system is can be transmitted in server；The case where after allowing session, server can be transmitted system time synchronization information, the error of preventing portion timesharing area.The present invention is reached the control management remotely to Knitting Machinery, is simplified the difficulty of management, improved work efficiency by the active control of server.
Description
Technical field
The invention belongs to Knitting Machinery networking technology field, in particular to a kind of Knitting Machinery Internet-based is long-range
Control method and system.
Background technique
With the development of internet technology, industry internet just starts tide in the world.Currently, knitting technology
Although coming into the mechanical automation production phase, the networking of Knitting Machinery is not widelyd popularize, some old
Knitting Machinery networking hardware function it is more weak.Although beginning trying Knitting Machinery networking, its device systems one by one
Management aspect is still based on field management, it is difficult to is managed collectively.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of Knitting Machinery Internet-based remotely to control
Method and system can be realized the long-range control to Knitting Machinery.It is specific the technical solution adopted is as follows:
A kind of Knitting Machinery long-range control method Internet-based, comprising the following steps:
Server initiates a session request；
Knitting Machinery receives response and carries out the authentication of the Knitting Machinery after session request success；
After authentication success, server carries out the interaction of function code to Knitting Machinery.
Optionally, the authentication the following steps are included:
Requesting party sends connection code；
Responder verifies the correctness of the connection code；
If correct, the requesting party sends connection password request；
The responder returns to connection password；
The server verifies the correctness of the connection password.
Optionally, the interaction of the function code includes:
The server sends proprietary protocol data frame to Knitting Machinery, is that each parameter setting is only in proprietary protocol
The parameter codes of one nothing two.
Optionally, by the proprietary protocol data frame, server carries out parameter setting to Knitting Machinery, state is arranged,
It is one such or several that transmission system opens/deactivate information, transmission system upgrade information, transmission system time synchronization information.
Optionally, further includes: the Knitting Machinery or the server initiate or respond to disconnect request.
Optionally, authentication success after further include heartbeat inspecting, the heartbeat inspecting the following steps are included:
When the Knitting Machinery not sent data in the first preset time, server sends heartbeat and keeps checking letter
Number, checking whether the Knitting Machinery is in can interaction mode；If the Knitting Machinery has replied heartbeat hold acknowledge signal,
Then keep the connection between the Knitting Machinery and server；If the heartbeat is kept after checking that signal is sent, the knitting machine
Tool does not reply the heartbeat hold acknowledge signal in the second preset time, then the server sends the heartbeat again and keeps
Check signal；If the server transmission heartbeat keeps checking that signal number has reached preset times, do not receive yet
The heartbeat hold acknowledge signal, the server disconnect the connection with the Knitting Machinery.
A kind of Knitting Machinery tele-control system Internet-based, including server and Knitting Machinery；
The Knitting Machinery and the server include session request module, for initiation or response session request；
The Knitting Machinery and the server include authentication module, for carrying out institute after session request success
State the authentication of Knitting Machinery；
The Knitting Machinery and the server include information exchange module, for carrying out function after authentication success
The interaction of energy code.
Optionally, the authentication module includes:
Code transmission unit is connected, for sending connection code；
Code authentication unit is connected, for verifying the correctness of the connection code；
Password request unit, for when the connection code is correct, sending connection password request；
Password return unit, for returning to connection password；
The authentication module of the server further includes cryptographic check unit, for verifying the connection password just
True property.
Optionally, the information exchange module of the server includes:
Heartbeat keeps inspection unit: for sending when the Knitting Machinery not sent data in the first preset time
Heartbeat keeps checking signal, and checking whether the Knitting Machinery is in can interaction mode；
Heartbeat confirmation unit: for keeping institute after receiving the heartbeat hold acknowledge signal that the Knitting Machinery is replied
State the connection between Knitting Machinery and server；If the heartbeat is kept after checking that signal is sent, do not connect in the second preset time
When receiving the heartbeat hold acknowledge signal that the Knitting Machinery is replied, the server sends the heartbeat again and keeps
Check signal；If the server transmission heartbeat keeps checking that signal number has reached preset times, do not receive yet
The heartbeat hold acknowledge signal, the server disconnect the connection with the Knitting Machinery.
Optionally, to include: the server send proprietary protocol to Knitting Machinery to the information exchange module of the server
Data frame is the unique parameter codes of each parameter setting in proprietary protocol.
Knitting Machinery long-range control method Internet-based provided by the invention is actively initiated by server, by managing
Personnel are sent instruction, reach upper layer and remotely control and be by upper layer MES system according to practical condition or equipment situation
The purpose of reason under the overall leadership；Request/response information exchange mode is used between server and Knitting Machinery；The first step, server are initiated
Session management if allowing, then is remotely controlled and system administration；If refusal, closes session；After allowing session, server
Transmittable system opens/deactivates information, and whether control Knitting Machinery enables；After allowing session, system upgrade letter is can be transmitted in server
Breath, the upgrading of active control management system；After allowing session, system time synchronization information, preventing portion timesharing is can be transmitted in server
The case where area malfunctions.The present invention is reached the control management remotely to Knitting Machinery, is simplified by the active control of server
The difficulty of management, improves work efficiency.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
A specific embodiment of the invention is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the Knitting Machinery long-range control method flow chart Internet-based of one embodiment of the invention；
Fig. 2 is the Knitting Machinery long-range control method flow chart Internet-based of another embodiment of the present invention；
Fig. 3 is the Knitting Machinery tele-control system schematic block diagram Internet-based of one embodiment of the invention；
Fig. 4 is the Knitting Machinery tele-control system schematic block diagram Internet-based of one embodiment of the invention.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new reality can be formed between various embodiments described below or between each technical characteristic in any combination
Apply example.
A kind of Knitting Machinery long-range control method Internet-based and system, the system include server and knitting machine
Tool, when server and Knitting Machinery needs remotely controlled when, execute the Knitting Machinery remote control method Internet-based
Method, this method are specifically as shown in Figure 1, comprising the following steps:
S11, session request: server initiates a session request；Specifically, administrative staff pass through upper layer MES system
(Manufacturing Execution System, manufacturing execution system), according to practical condition or equipment situation, to
Knitting Machinery initiates a session request, and to send instruction, achievees the purpose that upper layer remotely controls and system administration Knitting Machinery.
The server initiates session management, if allowing, then is remotely controlled and system administration；If refusal, closes session.
S12, authentication: after session request success in step S11, the authentication of Knitting Machinery is carried out；
S13, information exchange: after authentication success in step S12, server carries out function code to Knitting Machinery
Interaction.
Specifically, please referring to Fig. 2 and Fig. 4, after completing certification permission session, server can carry out parameter setting, additional to join
Number is the value that parameter codes and needs are arranged.Such as, if parameter codes 0x01010001 represents the parameter codes of setting yield,
1000 be setting value, and combination issues.After Knitting Machinery receives, the parameter to be modified is locked according to parameter codes, by Knitting Machinery
On value be revised as setting value.If successfully modified, otherwise device replied success replys failure.
After completing certification permission session, server can carry out state setting, and additional parameter is state code.Such as, shutdown
State code 0x01, then additionally issue 0x01.After Knitting Machinery receives, itself permission state is modified.If successfully modified, equipment
It replys successfully, otherwise, replys failure.
After completing certification and allowing session, server can be transmitted system open/deactivate information, enable information if sending, additional ginseng
Number sends 0x01；Information is deactivated if sending, additional parameter sends 0x02.Knitting Machinery itself set according to opening/deactivating information
It sets, returns successfully.
After completing certification permission session, system upgrade information is can be transmitted in server, and additional parameter is upgrade file name.Needle
After loom tool receives, own files catalogue is checked, the upgrade file, then reply success, and upgraded if it exists；Otherwise it returns
Multiple failure.
After completing certification permission session, system time synchronization information is can be transmitted in server, and additional parameter is place time zone.
After Knitting Machinery receives, time-zone information is corrected, is returned successfully.
Step S14, disconnect: Knitting Machinery or server initiate or respond to disconnect request.Knitting Machinery and server
It actively initiates to disconnect request, when Knitting Machinery actively initiates to disconnect request, server response disconnects request；Conversely, when service
When device actively initiates to disconnect request, Knitting Machinery response disconnects request.After connection between the two disconnects, conversation end.It is whole
In a conversation procedure, request/response information exchange mode, i.e. question-response side are used between server and Knitting Machinery completely
Formula is interacted using one-to-one function code.
According to MES system, for server by actively initiating a session request, responder according to the actual situation, carries out response.
If allowing, in next step；If refusal, conversation end.After completing management instruction, initiated under normal circumstances by server
Request is disconnected, Knitting Machinery response disconnects request.
Further, in one embodiment, authentication S12 the following steps are included:
Requesting party sends connection code；
Responder verifies the correctness of the connection code；
If correct, the requesting party sends connection password request；
The responder returns to connection password；
The server verifies the correctness of the connection password.
In the present embodiment, after session request allows, authentication is carried out.Authentication herein is two-way authentication, the first step
Requesting party sends connection code, goes the correctness of verification connection code to carry out next step certification if allowing by responder；If not permitting
Xu Ze stops session management, terminates session.Authentication second step requesting party sends connection password request, and responder, which returns, to be connected
Password is connect, the correctness of verification connection password is gone by server, if correctly, it is formal to open session, carry out information exchange；If
Mistake then stops session management, terminates session.Server and Knitting Machinery can both be used as requesting party, also square in response.
Server and Knitting Machinery can actively initiate cipher authentication, and responder according to the actual situation, carries out response.If authenticating successfully,
Then carry out next step information exchange；If unsuccessful, conversation end.
Further, in one embodiment, step S13 information exchange includes: that Knitting Machinery sends proprietary protocol data
Frame.It should be each parameter setting unique parameter codes, including type of alarm, state code etc. in proprietary protocol.
In the present embodiment, Knitting Machinery responds the proprietary protocol data frame that server is sent.Server sends private
During having protocol data frame, if the function code mistake that the server is sent, Knitting Machinery recovery function mistake；If
The parameter and set information mistake that server is sent, Knitting Machinery reply parameter mistake；If server receives proprietary protocol number
According to frame data frame physical length and the inconsistent data frame actual length that reports of Knitting Machinery when, it is wrong that server replys data
Accidentally.Wherein, it may be incorrect by packet splicing, packet loss, report length that data frame physical length is inconsistent with data frame actual length
Situations such as caused by.The instruction that Knitting Machinery is sent can also add the parameter that instructs head, need to pass in addition to function code.
Further, information exchange may include heartbeat inspecting in step S13.The heartbeat inspecting the following steps are included:
When Knitting Machinery not sent data in the first preset time, server heartbeat keeps checking signal, checks needle
Whether loom tool is in can interaction mode；If Knitting Machinery has replied heartbeat hold acknowledge signal, prove at the Knitting Machinery
In can interaction mode, keep the connection between the Knitting Machinery and server；If heartbeat is kept after checking that signal is sent, needle
Loom tool does not reply heartbeat hold acknowledge signal in the second preset time, then server sends the heartbeat again and keeps checking
Signal；If server transmission heartbeat keeps checking that signal number has reached preset times, heartbeat is not received yet and keeps confirmation
Signal then proves, the Knitting Machinery be in can not interaction mode, server disconnects the connection with Knitting Machinery, kicks out of the knitting
It is mechanical.Wherein the first preset time, the second preset time and preset times can be set by experiment and knitting requirements,
And Knitting Machinery heartbeat judgement can be improved by the setting of the first preset time, the second preset time and preset times
Accuracy.
Further, in one embodiment, Knitting Machinery responds the Monitoring instruction of server, sends operation
Status information is to server.When running state information progress data analysis of the server by big data to receiving, and will analysis
Data afterwards are sent to MES system, it is compared by MES system with maintenance information.Wherein the maintenance of MES system is protected
Feeding information includes last maintenance time, maintenance type, all previous fault type and time of failure, in combination with relevant device
Big data analysis, make the distinctive maintenance inventory of each Knitting Machinery.According to the maintenance inventory, maintenance is generated
Maintenance instruction or compulsory maintenance maintenance instruction can be transmitted system by server and open/deactivate the behaviour such as information, modification status information
Make, carries out Knitting Machinery and suggest maintenance or compulsory maintenance maintenance, so as to greatly improve the use of old Knitting Machinery
Service life realizes that equipment utilization maximizes.And in real factory, many old Knitting Machinery all will not notice maintenance
The problem of maintenance, is uniformly managed by MES system, avoids field experience insufficient or in order to which the cost for saving at the moment is not tieed up
It protects and leads to scrapping in advance for whole equipment.
Further, in one embodiment, it includes open command that step S14, which disconnects request,.After starting session, knitting
Mechanical and server can active transmission open command, safely disconnected.
Knitting Machinery long-range control method Internet-based provided by the invention is actively initiated by server, by managing
Personnel are sent instruction, reach upper layer and remotely control and be by upper layer MES system according to practical condition or equipment situation
The purpose of reason under the overall leadership；Request/response information exchange mode is used between server and Knitting Machinery；The first step, server are initiated
Session management if allowing, then is remotely controlled and system administration；If refusal, closes session；After allowing session, server
Transmittable system opens/deactivates information, and whether control Knitting Machinery enables；After allowing session, system upgrade letter is can be transmitted in server
Breath, the upgrading of active control management system；After allowing session, system time synchronization information, preventing portion timesharing is can be transmitted in server
The case where area malfunctions.The present invention is reached the control management remotely to Knitting Machinery, is simplified by the active control of server
The difficulty of management, improves work efficiency.
Based on above-mentioned Knitting Machinery long-range control method Internet-based, the present invention also provides one kind based on interconnection
The Knitting Machinery tele-control system of net, as shown in figure 3, the system includes server 1 and Knitting Machinery 2；
Knitting Machinery 2 and server 1 include session request module 21,11, for initiation or response session request；
Knitting Machinery 2 and server 1 include authentication module 22,12, for carrying out needle after session request success
The authentication of loom tool 2；
Knitting Machinery 2 and server 1 include information exchange module 23,13, for carrying out letter after authentication success
Breath interaction；
Knitting Machinery 2 and server 1 include disconnecting module 24,14, disconnect request for initiating or responding.
It should be noted that in the present embodiment, the session request module 21 of Knitting Machinery 2, authentication module 22, letter
Breath interactive module 23 and the session request module 11, authentication module 12, information for disconnecting module 24 and server 1 are handed over
Mutual module 13 is identical with 14 functional purpose of module is disconnected, but implementation can be different.
Further, authentication module 12,22 includes:
Code transmission unit is connected, for sending connection code；
Code authentication unit is connected, for verifying the correctness of the connection code；
Password request unit, for when the connection code is correct, sending connection password request；
Password return unit, for returning to connection password；
Particularly, the authentication module 12 of server 1 further includes cryptographic check unit, close for verifying the connection
The correctness of code.
Further, the information exchange module 13 of server 1 includes:
Heartbeat keeps inspection unit: for sending the heart when the not sent data in the first preset time of Knitting Machinery 2
It jumps and keeps checking signal, check the Knitting Machinery 2 whether in can interaction mode；
Heartbeat confirmation unit: for keeping knitting after receiving the heartbeat hold acknowledge signal of the reply of Knitting Machinery 2
Connection between machinery 2 and server 1；If heartbeat is kept after checking that signal is sent, knitting is not received in the second preset time
When the heartbeat hold acknowledge signal that machinery 2 is replied, server 1 sends heartbeat again and keeps checking signal；If server 1 is sent
When heartbeat keeps checking that signal number has reached preset times, heartbeat hold acknowledge signal is not received yet, and server 1 disconnects
With the connection of Knitting Machinery 2.
More than, only presently preferred embodiments of the present invention is not intended to limit the present invention in any form；All
The those of ordinary skill of industry can be shown in by specification attached drawing and above and swimmingly implement the present invention；But all it is familiar with sheet
Technical professional without departing from the scope of the present invention, is made using disclosed above technology contents
The equivalent variations of a little variation, modification and evolution is equivalent embodiment of the invention；Meanwhile all essence according to the present invention
The variation, modification and evolution etc. of technology any equivalent variations to the above embodiments, still fall within technical side of the invention
Within the protection scope of case.
Claims (10)
1. a kind of Knitting Machinery long-range control method Internet-based, which comprises the following steps:
Server initiates a session request；
Knitting Machinery receives response and carries out the authentication of the Knitting Machinery after session request success；
After authentication success, server carries out the interaction of function code to Knitting Machinery.
2. Knitting Machinery long-range control method Internet-based as described in claim 1, which is characterized in that the identity is recognized
Card the following steps are included:
Requesting party sends connection code；
Responder verifies the correctness of the connection code；
If correct, the requesting party sends connection password request；
The responder returns to connection password；
The server verifies the correctness of the connection password.
3. Knitting Machinery long-range control method Internet-based as described in claim 1, which is characterized in that the function generation
Code interaction include:
The server sends proprietary protocol data frame to Knitting Machinery, is that each parameter setting is unique in proprietary protocol
Parameter codes.
4. Knitting Machinery long-range control method Internet-based as claimed in claim 3, which is characterized in that pass through the private
There is protocol data frame, server carries out parameter setting to Knitting Machinery, state is arranged, transmission system opens/deactivate information, sends system
Upgrade information, the transmission system time synchronization information of uniting are one such or several.
5. Knitting Machinery long-range control method Internet-based as described in claim 1, which is characterized in that complete interaction
Afterwards, further includes: the Knitting Machinery or the server initiate or respond to disconnect request.
6. Knitting Machinery long-range control method Internet-based as described in claim 1, which is characterized in that authentication at
Further include heartbeat inspecting after function, the heartbeat inspecting the following steps are included:
When the Knitting Machinery not sent data in the first preset time, server sends heartbeat and keeps checking signal, inspection
Looking into whether the Knitting Machinery be in can interaction mode；If the Knitting Machinery has replied heartbeat hold acknowledge signal, keep
Connection between the Knitting Machinery and server；If the heartbeat is kept after checking that signal is sent, the Knitting Machinery is the
Two preset times do not reply the heartbeat hold acknowledge signal, then the server sends the heartbeat again and keeps checking letter
Number；If the server transmission heartbeat keeps checking that signal number has reached preset times, the heart is not received yet
Hold acknowledge signal is jumped, the server disconnects the connection with the Knitting Machinery.
7. a kind of Knitting Machinery tele-control system Internet-based, which is characterized in that including server and Knitting Machinery；
The Knitting Machinery and the server include session request module, for initiation or response session request；
The Knitting Machinery and the server include authentication module, for carrying out the needle after session request success
The authentication of loom tool；
The Knitting Machinery and the server include information exchange module, for carrying out function generation after authentication success
The interaction of code.
8. Knitting Machinery tele-control system Internet-based as claimed in claim 7, which is characterized in that the identity is recognized
Demonstrate,proving module includes:
Code transmission unit is connected, for sending connection code；
Code authentication unit is connected, for verifying the correctness of the connection code；
Password request unit, for when the connection code is correct, sending connection password request；
Password return unit, for returning to connection password；
The authentication module of the server further includes cryptographic check unit, for verifying the correctness of the connection password.
9. Knitting Machinery tele-control system Internet-based as claimed in claim 8, which is characterized in that the server
Information exchange module include:
Heartbeat keeps inspection unit: for sending heartbeat when the Knitting Machinery not sent data in the first preset time
It keeps checking signal, checking whether the Knitting Machinery is in can interaction mode；
Heartbeat confirmation unit: for keeping the needle after receiving the heartbeat hold acknowledge signal that the Knitting Machinery is replied
Connection between loom tool and server；If the heartbeat is kept after checking that signal is sent, do not received in the second preset time
When the heartbeat hold acknowledge signal that the Knitting Machinery is replied, the server sends the heartbeat again and keeps checking letter
Number；If the server transmission heartbeat keeps checking that signal number has reached preset times, the heart is not received yet
Hold acknowledge signal is jumped, the server disconnects the connection with the Knitting Machinery.
10. Knitting Machinery tele-control system Internet-based as claimed in claim 7, which is characterized in that the service
The information exchange module of device, which includes: the server, sends proprietary protocol data frame to Knitting Machinery, is each in proprietary protocol
A unique parameter codes of parameter setting.
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Application publication date: 20190315 |