CN113890792A - Method for determining parallel second-generation communication gateways of hot rolling second-stage system - Google Patents
Method for determining parallel second-generation communication gateways of hot rolling second-stage system Download PDFInfo
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- CN113890792A CN113890792A CN202111164674.1A CN202111164674A CN113890792A CN 113890792 A CN113890792 A CN 113890792A CN 202111164674 A CN202111164674 A CN 202111164674A CN 113890792 A CN113890792 A CN 113890792A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention provides a method for determining a second-generation communication gateway for hot rolling secondary system parallel, belonging to the technical field of hot rolling automatic control. The method comprises the following steps: establishing a gateway system consisting of MRS and NGS, wherein the MRS and the NGS respectively represent a text transfer server and a gateway server; one network card of MRS is set as IP address of MSC and then is accessed to old L2 exchanger for simulating MSC and L1 communication; wherein, MSC represents old L2 server, L1 represents basic automation system, L2 represents process control system; setting one network card of NGS as all IP addresses of L1, and accessing to a new switch for simulating communication between L1 and MSC and PCS; wherein PCS represents the new L2 server; MRS and NGS are directly connected; the function is transferred in MRS configuration message, and MSC and PCS switching function is configured on NGS. By adopting the invention, the parallel operation of the new L2 and the old L2 can be realized under the condition of not modifying any network configuration and program of the original L1 and L2.
Description
Technical Field
The invention relates to the technical field of hot rolling automatic control, in particular to a method for determining a second-generation communication gateway for hot rolling secondary system parallelism.
Background
The existing communication gateway design for hot rolling secondary system transformation belongs to a first generation gateway, and is successfully applied to certain CSP hot rolling secondary transformation in China, and the gateway can independently upgrade and transform an L2 system under the condition that the L1 system is kept to be changed, so that online debugging during transformation is facilitated, and the influence on production brought by debugging is reduced to the minimum.
In the aspect of the existing paper, the paper "communication gateway design for hot continuous rolling secondary system modification" (metallurgy automation, 2015,39(03):91-94) realizes the parallel of two sets of L2 systems through one gateway server in order to realize the data communication between L1 and the new and old L2 systems. According to the thesis "CSP hot continuous rolling secondary control system transformation and upgrade" (metallurgy automation, 2015,39(03):62-66), in order to facilitate debugging and optimization of a new system, a communication gateway server technology is adopted to realize parallel operation and online switching of a new system and an old system. The above communication gateway design requires 1 gateway server, then sets the IP of the gateway server as the IP of the model server of the old L2 system, and configures the same communication text as the old L2 system to simulate the old L2 system to communicate with the L1 system. In order to avoid IP collision, the model server of the old L2 system needs to be replaced with another IP in the same network segment, and the communication configuration of the model server of the old L2 system is modified again to establish communication with the L1 system simulated by the gateway server.
Disclosure of Invention
The embodiment of the invention provides a method for determining a second-generation communication gateway for hot rolling secondary system parallel, which can realize the parallel operation of new and old L2 under the condition of not modifying any network configuration and program of original L1 and L2. The technical scheme is as follows:
the embodiment of the invention provides a method for determining a second-generation communication gateway for hot rolling of a secondary system, which comprises the following steps:
establishing a gateway system consisting of MRS and NGS, wherein the MRS and the NGS respectively represent a text transfer server and a gateway server;
one network card of MRS is set as IP address of MSC and then is accessed to old L2 exchanger for simulating MSC and L1 communication; wherein, MSC represents old L2 server, L1 represents basic automation system, L2 represents process control system;
setting one network card of NGS as all IP addresses of L1, and accessing to a new switch for simulating communication between L1 and MSC and PCS; wherein PCS represents the new L2 server;
MRS and NGS are directly connected;
the function is transferred in MRS configuration message, and MSC and PCS switching function is configured on NGS.
Further, setting one of the network cards of the NGS as all IP addresses of L1 for communicating with the MSC and the PCS, and then accessing the new switch, for simulating the communication of L1 with the MSC and the PCS includes:
one network card of the NGS is set as all IP addresses of L1 and then is accessed to a new switch, the MSC and the PCS are accessed to the new switch, and the NGS simulates L1 to communicate with the MSC and the PCS; wherein, the IP address of the PCS is set as the IP address of the L2 which is not occupied by the same network segment.
Further, the MRS and NGS direct connections include:
and configuring another network card of the MRS and another network card of the NGS as IP addresses which are not in the same network segment with the existing L1 and L2 and are directly connected.
Further, the configuring another network card of the MRS and another network card of the NGS as IP addresses that are not in the same network segment as existing L1 and L2, and the directly connecting includes:
setting the other network card of MRS as IP address of different network segment of L2 and connecting with the same network segment of NGS;
and setting the other network card of the NGS as an IP address of a different network segment of the L1 and then connecting the other network card with the same network segment of the MRS.
Further, the transferring function in the MRS configuration message includes:
for the set message sent to the L1 by the L2, a direct message channel and a relay message channel are required to be configured on the MRS; the direct message channel is that the channel of the server sends a message to another server after receiving the message, the relay message channel is that the channel of the server sends another channel of the server after receiving the message, the direct message is a set message sent from the NGS and received by the direct connection network card, and the relay message is forwarded to the L1 after receiving the set message sent from the direct message channel.
Further, the configuring the MSC and PCS handover functions on the NGS includes:
for the telegraph text sent to the L1 by the MSC and the PCS, the set telegraph text of the MSC or the set telegraph text of the PCS is determined and forwarded on the NGS through the gateway switching interface;
and after receiving the set message of the MSC or the set message of the PCS, the NGS sends the received set message to a direct message channel directly connected with the network card to the MRS.
Further, the method further comprises:
for the set message sent to the L2 by the L1, the set message sent by the L1 is received by the direct message channel and then forwarded to the relay message channel, the NGS is sent by the direct network card, and the NGS is simultaneously and respectively forwarded to the MSC and the PCS.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
in the embodiment of the invention, a gateway system consisting of MRS and NGS is established, wherein the MRS and the NGS respectively represent a text transfer server and a gateway server; one network card of MRS is set as IP address of MSC and then is accessed to old L2 exchanger for simulating MSC and L1 communication; wherein, MSC represents old L2 server, L1 represents basic automation system, L2 represents process control system; setting one network card of NGS as all IP addresses of L1, and accessing to a new switch for simulating communication between L1 and MSC and PCS; wherein PCS represents the new L2 server; MRS and NGS are directly connected; the function is transferred in MRS configuration message, and MSC and PCS switching function is configured on NGS. By adopting the invention, the parallel operation of the new L2 and the old L2 can be realized under the condition of not modifying any network configuration and program of the original L1 and L2.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a second-generation communication gateway determination method for hot rolling secondary system parallelism according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating an operating principle of a second-generation communication gateway according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a new and old L2 parallel network topology according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to fig. 3, an embodiment of the present invention provides a method for determining a second-generation communication gateway for hot-rolling secondary system parallelism, including:
s101, establishing a gateway system consisting of an MRS and an NGS, wherein the MRS and the NGS respectively represent a text transfer server and a gateway server;
in this embodiment, the hardware configuration includes: MRS and NGS.
S102, setting one network card of MRS as IP address (for example, 10.15.2.25) of MSC, then connecting to old L2 exchanger (namely: old exchanger in figure 2) and L1 to complete network connection, MRS is used to simulate MSC and L1 communication; wherein, MSC represents old L2 server, L1 represents basic automation system, L2 represents process control system;
in this embodiment, MRS simulates MSC: in MRS, one network card is configured as the IP address of the MSC, and L2 can realize analog communication with L1.
S103, setting one network card of the NGS as all IP addresses (specifically, IP addresses of an L1 controller, such as 10.15.1. X) of L1, and then accessing a new switch, wherein the NGS is used for simulating communication between L1 and MSC and PCS, so that network communication between L1 and new and old L2 servers is realized; wherein PCS represents the new L2 server;
in this embodiment, the NGS simulates all controllers of L1: one network card is configured to be the IP addresses of all L1 controllers, and then the MSC and PCS can realize analog communication with L1.
In the embodiment, one network card of the NGS is set as all IP addresses of L1 and then is accessed to a new switch, and the MSC and the PCS are accessed to the new switch, so that the NGS realizes network connection with a new L2 server and an old L2 server, and the NGS is used for simulating communication between the L1 and the MSC and the PCS; wherein, the IP address of the PCS is set as the IP address of the L2 which is not occupied by the same network segment.
In this embodiment, the NGS is used to simulate the L1 to communicate with the new and old L2 servers, so that one of the network cards is configured to communicate with the MSC and PCS, and all IP addresses of the L1 are used to establish communication connection with the new and old L2 servers.
S104, directly connecting the MRS and the NGS;
in this embodiment, another network card of the MRS and another network card of the NGS are configured as IP addresses that are not in the same network segment as the existing L1 and L2, and are directly connected to each other, which may specifically include the following steps:
setting another network card of the MRS as an IP address (for example, 192.168.6.12) of a different network segment from L2 and then connecting the other network card of the MRS with a network card of the same network segment of the NGS (for example, a network card with an IP address of 192.168.6.11);
and setting the other network card of the NGS as an IP address of a different network segment of the L1 and then connecting the other network card with the same network segment of the MRS.
In this embodiment, the MRS analog MSC is networked with L1, the NGS analog L1 is networked with the MSC and the PCS, and the MRS and the NGS are directly connected via a network card of 192.168.6 network segment.
In this embodiment, another network card of the MRS and the NGS is configured as other network segment IP and then directly connected to achieve the purpose of interconnecting the NGS and the MRS, so that the network segment connecting the NGS and the MRS is physically isolated, and data between the NGS and the MRS can be transmitted through the directly connected network card.
And S105, transferring the function in an MRS configuration message, and configuring the MSC and PCS switching function on the NGS.
In this embodiment, the text transfer program is configured on the MRS to implement the text transfer function: for the set message sent by L2 to L1, a direct message channel and a relay message channel need to be configured on the MRS, where the direct message is the set message received by the direct network card and sent from the NGS, and the relay message is the set message forwarded to L1 after the message relay program receives the set message sent by the direct message channel. For the set message sent to the L2 by the L1, the message relay program forwards the set message sent by the L1 to the relay message channel after the set message is received by the direct message channel, the NGS is sent by the direct network card, and the NGS is simultaneously and respectively forwarded to the MSC and the PCS.
In this embodiment, the direct text channel means that the channel of the server sends a text message to another server after receiving the text message; the relay text channel is another channel which is sent to the server after the channel of the server receives the text.
In this embodiment, a gateway switching program is configured on the NGS to implement the MSC and PCS switching functions: for the set messages sent to the L1 by the new and old L2 servers, the set messages of the new L2 server or the set messages of the old L2 server are manually determined and forwarded on the NGS through a gateway switching interface, so that the switching function of the set messages of the new and old L2 servers in one key is realized, the parallel test of the new and old L2 servers is facilitated, and after the NGS receives the set messages of the new or old L2 server, the received set messages are sent to a direct message channel of a direct connection network card to be sent to the MRS; for the message sent by L1 and L2, the program is received by the direct message channel and then respectively forwarded to the old and new L2 servers.
For better understanding of the present invention, a second generation communication gateway determination method for hot rolling secondary system parallelism provided by the embodiment of the present invention is described by taking a field application as an example:
the on-site application function comprises two servers of NGS and MRS, after the NGS and the MRS are configured according to the steps S101-105, direct connection network cards (192.168.6.11 and 192.168.6.12) of the NGS and the MRS are connected, then network cables of the MSC and the PCS are accessed to a new switch, then a multi-IP network card (10.15.1. X-10.15.4. X) of NGS simulation L1 is also accessed to the new switch, and finally, an L2 network card (10.15.2.25) of the MRS simulation is accessed to an old switch to realize interconnection with L1.
The second-generation communication gateway determining method for hot rolling secondary system parallel provided by the embodiment of the invention is successfully applied to the upgrade and modification of a secondary system of a certain CSP hot continuous rolling production line in China.
To sum up, the method for determining the parallel second-generation communication gateway for the hot rolling secondary system according to the embodiment of the present invention at least has the following beneficial effects:
1) by the gateway system formed by combining the message transfer server MRS and the gateway server NGS, the parallel operation of the new L2 and the old L2 can be realized under the condition of not modifying any network configuration and program of the original L1 and L2, the difficulty of transformation can be reduced to the greatest extent, and the stability of the parallel gateway system is improved;
2) a soft handoff function with a one-click gateway handoff function to decide to send new or old L2 server setup messages to L1.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A method for hot rolling secondary system parallelization second generation communication gateway determination, comprising:
establishing a gateway system consisting of MRS and NGS, wherein the MRS and the NGS respectively represent a text transfer server and a gateway server;
one network card of MRS is set as IP address of MSC and then is accessed to old L2 exchanger for simulating MSC and L1 communication; wherein, MSC represents old L2 server, L1 represents basic automation system, L2 represents process control system;
setting one network card of NGS as all IP addresses of L1, and accessing to a new switch for simulating communication between L1 and MSC and PCS; wherein PCS represents the new L2 server;
MRS and NGS are directly connected;
the function is transferred in MRS configuration message, and MSC and PCS switching function is configured on NGS.
2. The method of claim 1, wherein the step of setting one of the network cards of the NGS as all IP addresses of L1 for communication with the MSC and PCS and accessing the new switch to simulate the L1 for communication with the MSC and PCS comprises:
one network card of the NGS is set as all IP addresses of L1 and then is accessed to a new switch, the MSC and the PCS are accessed to the new switch, and the NGS simulates L1 to communicate with the MSC and the PCS; wherein, the IP address of the PCS is set as the IP address of the L2 which is not occupied by the same network segment.
3. The method of claim 1, wherein the MRS and NGS direct connections comprise:
and configuring another network card of the MRS and another network card of the NGS as IP addresses which are not in the same network segment with the existing L1 and L2 and are directly connected.
4. The method of claim 3, wherein the step of configuring and directly connecting the additional network card of the MRS and the additional network card of the NGS to IP addresses which are not in the same network segment as existing L1 and L2 comprises:
setting the other network card of MRS as IP address of different network segment of L2 and connecting with the same network segment of NGS;
and setting the other network card of the NGS as an IP address of a different network segment of the L1 and then connecting the other network card with the same network segment of the MRS.
5. The method of claim 1, wherein the transferring function in the MRS configuration message comprises:
for the set message sent to the L1 by the L2, a direct message channel and a relay message channel are required to be configured on the MRS; the direct message channel is that the channel of the server sends a message to another server after receiving the message, the relay message channel is that the channel of the server sends another channel of the server after receiving the message, the direct message is a set message sent from the NGS and received by the direct connection network card, and the relay message is forwarded to the L1 after receiving the set message sent from the direct message channel.
6. The method of claim 1, wherein configuring MSC and PCS switching functions on an NGS comprises:
for the telegraph text sent to the L1 by the MSC and the PCS, the set telegraph text of the MSC or the set telegraph text of the PCS is determined and forwarded on the NGS through the gateway switching interface;
and after receiving the set message of the MSC or the set message of the PCS, the NGS sends the received set message to a direct message channel directly connected with the network card to the MRS.
7. The method of claim 1, wherein the method further comprises:
for the set message sent to the L2 by the L1, the set message sent by the L1 is received by the direct message channel and then forwarded to the relay message channel, the NGS is sent by the direct network card, and the NGS is simultaneously and respectively forwarded to the MSC and the PCS.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2310783A1 (en) * | 1999-06-16 | 2000-12-16 | Telcordia Technologies, Inc. | Pcs-to-mobile ip internet working |
| US6512774B1 (en) * | 1999-03-18 | 2003-01-28 | 3Com Corporation | Fail over with multiple network interface cards |
| CN201550116U (en) * | 2009-06-04 | 2010-08-11 | 宝山钢铁股份有限公司 | Network communication converter |
| CN201596678U (en) * | 2009-11-10 | 2010-10-06 | 武汉钢铁(集团)公司 | Hot rolling process control middleware system |
| CN102122157A (en) * | 2010-12-27 | 2011-07-13 | 北京建龙重工集团有限公司 | Redundancy architecture control system and method thereof capable of keeping original system function and performance |
| JP2012027834A (en) * | 2010-07-27 | 2012-02-09 | Hitachi Ltd | Production plant monitoring device and system, rolling plant monitoring device and system, production plant remote monitoring method, and rolling plant remote monitoring method |
| CN104267613A (en) * | 2014-09-15 | 2015-01-07 | 东北大学 | Metal rolling process automatic control hardware-in-loop simulation platform and method for experiment |
| CN107798444A (en) * | 2016-08-31 | 2018-03-13 | 鞍钢股份有限公司 | Hot-rolled strip steel MES system parallel debugging data acquisition method |
| CN109388072A (en) * | 2017-08-14 | 2019-02-26 | 上海梅山钢铁股份有限公司 | A kind of building method of the analogue system based on hot rolling L2 Process Control System |
| CN110262374A (en) * | 2019-06-18 | 2019-09-20 | 北京金自天正智能控制股份有限公司 | A kind of development platform of rolling process control system |
| CN112953818A (en) * | 2021-01-29 | 2021-06-11 | 大冶特殊钢有限公司 | Communication system and method based on intelligent gateway equipment |
-
2021
- 2021-09-30 CN CN202111164674.1A patent/CN113890792B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6512774B1 (en) * | 1999-03-18 | 2003-01-28 | 3Com Corporation | Fail over with multiple network interface cards |
| CA2310783A1 (en) * | 1999-06-16 | 2000-12-16 | Telcordia Technologies, Inc. | Pcs-to-mobile ip internet working |
| CN201550116U (en) * | 2009-06-04 | 2010-08-11 | 宝山钢铁股份有限公司 | Network communication converter |
| CN201596678U (en) * | 2009-11-10 | 2010-10-06 | 武汉钢铁(集团)公司 | Hot rolling process control middleware system |
| JP2012027834A (en) * | 2010-07-27 | 2012-02-09 | Hitachi Ltd | Production plant monitoring device and system, rolling plant monitoring device and system, production plant remote monitoring method, and rolling plant remote monitoring method |
| CN102122157A (en) * | 2010-12-27 | 2011-07-13 | 北京建龙重工集团有限公司 | Redundancy architecture control system and method thereof capable of keeping original system function and performance |
| CN104267613A (en) * | 2014-09-15 | 2015-01-07 | 东北大学 | Metal rolling process automatic control hardware-in-loop simulation platform and method for experiment |
| CN107798444A (en) * | 2016-08-31 | 2018-03-13 | 鞍钢股份有限公司 | Hot-rolled strip steel MES system parallel debugging data acquisition method |
| CN109388072A (en) * | 2017-08-14 | 2019-02-26 | 上海梅山钢铁股份有限公司 | A kind of building method of the analogue system based on hot rolling L2 Process Control System |
| CN110262374A (en) * | 2019-06-18 | 2019-09-20 | 北京金自天正智能控制股份有限公司 | A kind of development platform of rolling process control system |
| CN112953818A (en) * | 2021-01-29 | 2021-06-11 | 大冶特殊钢有限公司 | Communication system and method based on intelligent gateway equipment |
Non-Patent Citations (3)
| Title |
|---|
| TIEKE LI: "An Optimal Two-stage Algorithm for Slab Design Problem with Flexible Demands", 《2007 IEEE INTERNATIONAL CONFERENCE ON AUTOMATION AND LOGISTICS》 * |
| 荆丰伟;宋勇;顾仲熙;石俊龙;邓槟杰;: "热连轧二级系统改造的通信网关设计", 冶金自动化, no. 03 * |
| 顾仲熙;: "马钢CSP轧机过程自动化系统改造通信管理设计", 金属世界, no. 03 * |
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