CN106953813A - A kind of GOOSE message receive-transmit system and its control method - Google Patents
A kind of GOOSE message receive-transmit system and its control method Download PDFInfo
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- CN106953813A CN106953813A CN201710150672.4A CN201710150672A CN106953813A CN 106953813 A CN106953813 A CN 106953813A CN 201710150672 A CN201710150672 A CN 201710150672A CN 106953813 A CN106953813 A CN 106953813A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2416—Real-time traffic
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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
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0681—Configuration of triggering conditions
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Abstract
The invention discloses a kind of GOOSE message receive-transmit system and its control method, wherein, GOOSE message receive-transmit system includes peripheral module, data processing module and ethernet control module, wherein, peripheral module includes LCD MODULE, data memory module, communication alert module and keyboard input module, and data memory module is used for the historical data for recording GOOSE data sets member change;The triggering alarm when communication occurs to interrupt or message is lost of communication alert module;LCD MODULE is used to realize man-machine interaction with keyboard input module;Data processing module is connected between peripheral module and ethernet control module;Data processing module is connected with ethernet control module by 16 channel parallel data lines;Ethernet control module realizes the Ethernet that transmission rate is 100Mbps using the 100Base FX fibre-optic transmission system (FOTS)s for meeting ISO/IEC8802 3 on optical fiber.The present invention can not only realize GOOSE message Special Mapping mode, while can also ensure that the real-time and reliability of GOOSE message transmission.
Description
Technical field
The present invention relates to packet sending and receiving control technology field, in particular to a kind of GOOSE message receive-transmit system and its
Control method.
Background technology
GOOSE is a kind of rapid message transmission mechanism specified in IEC61850, in transformer station smart electronicses set
Important Real time signal is transmitted between standby.GOOSE message is generally used for the information such as transmission tripping operation, combined floodgate, locking,
Belong to rapid message type in IEC61850 standards, so being carried in IEC61850 to the real-time and reliability of GOOSE message
Higher requirement is gone out.
The real-time and reliability transmitted in order to ensure GOOSE message are, it is necessary to rationally design circuit, and pass through programming reality
The Special Mapping mode of existing GOOSE message.At present, how GOOSE is ensured while GOOSE message Special Mapping mode is realized
The real-time and reliability of message transmissions, are those skilled in the art's technical issues that need to address.
The content of the invention
The present invention provides a kind of GOOSE message receive-transmit system, to while GOOSE message Special Mapping mode is realized
Ensure the real-time and reliability of GOOSE message transmission.
To reach above-mentioned purpose, the invention provides a kind of GOOSE message receive-transmit system, it includes:Peripheral module, data
Processing module and ethernet control module, wherein,
The peripheral module includes LCD MODULE, data memory module, communication alert module and keyboard input module,
The data memory module is used for the historical data for recording GOOSE data sets member change;Communication alert module works as communication
Triggering alarm when interruption or message are lost;LCD MODULE is used to realize man-machine interaction with keyboard input module;
The data processing module is connected between the peripheral module and the ethernet control module;
The data processing module is connected with ethernet control module by 16 channel parallel data lines;
The ethernet control module is using the 100Base-FX fibre-optic transmission system (FOTS)s for meeting ISO/IEC8802-3, in light
The Ethernet that transmission rate is 100Mbps is realized on fibre.
In one embodiment of this invention, the data processing module includes two STM32F407, the data processing mould
Block is used to control the initialization of ethernet control module completion network interface card, transmission/reception of message and to the liquid in peripheral module
Brilliant display module, data memory module, communication alert module and the data of keyboard input module transmission/reception are handled and controlled
System.
In one embodiment of this invention, the ethernet control module include ethernet controller DM9000AEP and with
Too net connector HR911105A, ethernet controller DM9000AEP can realize 100Mbps traffic rate, to complete
The quick of GOOSE message sends and receives, and ethernet connector HR911105A is used to avoid DM9000AEP by twisted-pair feeder
DC voltage and high-frequency signal interference.
Controlling party is received and dispatched present invention also offers a kind of GOOSE message being applied in above-mentioned GOOSE message receive-transmit system
Method, it comprises the following steps:
S1:Ethernet controller DM9000AEP is initialized, STM32F407 FSMC pins and configuration are set first
DM9000AEP control mouth line, then sets the initial value of DM9000AEP internal registers by STM32F407 again;
S2:Control GOOSE message is transmitted, and the register inside DM9000AEP is controlled by STM32F407, is set
Data memory module in message content and transmission time interval, peripheral module is recorded simultaneously to the GOOSE message of transmission
Storage;
S3:Control GOOSE message is received, and STM32F407 determines whether packet by reading frame reception mark, such as
Fruit has then read data packet content and the data memory module in Decoding Analysis, peripheral module is carried out to GOOSE message to receiving
GOOSE message stored, the communication alert module in peripheral module is monitored to communication, in the event of communication disruption or
Message frame losing then triggers communication alert module and alarmed.
In one embodiment of this invention, step S1 includes following sub-step:
S11:DM9000AEP control mouth lines are configured, it is multiplexing recommending output mode to set STM32F407 FSMC pins;
S12:FSMC parallel ports accessing time sequence is configured, NOR/SRAM is initialized, the NOR/SRAM storage regions specified are enabled;
S13:DM9000AEP is subjected to software-reset, closes and interrupts enable;
S14:The value of write-in PHY registers, setting MAC Address, broadcast register and multicast register are set;
S15:Open to interrupt and enable, enable to receive and interrupt;
S16:Read chip id, judge whether it is identical with being pre-designed value, if yes then enter step S17, if otherwise
Into step S18;
S17:Initialize successfully, carry out subsequent step;
S18:Initialization failure, restarts initialization, return to step S11.
In one embodiment of this invention, step S2 includes following sub-step:
S21:GOOSE message framing and pretreatment;
S22:Whether detection data set member conjugates, if yes then enter step S24, if otherwise entering step
S23;
S23:SqNum adds 1, and StNum keeps constant, synchronous current time to GOOSE message;
S24:SqNum is reset, and StNum adds 1, synchrodata set member value and current time to GOOSE message;
S25:Judge whether data packet length exceedes maximum length, if yes then enter step S27, if otherwise entering step
Rapid S26;
S26:Next frame transmission pointer position is calculated, and GOOSE message data are moved into internal memory from system;
S27:The package is invalid packets, calculates next frame transmission pointer position and return to step S21;
S28:DM9000AEP packets transmission control register is controlled to send GOOSE message.
In one embodiment of this invention, step S3 includes following sub-step:
S31:Interrupt identification is removed, frame is read and receives mark;
S32:Judgment frame receives whether mark is 01H, if yes then enter step S33, if otherwise entering step S34;
S33:Packet is effective data packets, read data packet relevant information and length;
S34:Judgment frame receives whether mark is 00H, if yes then enter step S35, if otherwise entering step S36;
S35:It is not received by packet, return to step S31.
S36:Initialization failure, reinitializes DM9000AEP, return to step S31;
S37:Data packet length is judged whether between 64~1356 bytes, if yes then enter step S38, if otherwise
Into step S39;
S38:ASN.1/BER decodings are carried out to packet, StNum and SqNum is read, read in GOOSE message data set
Hold;
S39:Skip the packet, return to step c1;
S310:Judge whether StNum and SqNum changes correctly, if yes then enter step S311, if otherwise entering step
Rapid S312;
S311:According to GOOSE message data set contents, respective handling is made to event;
S312:Send message dropping alarm, return to step S31;
S313:In GOOSE message data immigration system in internal memory, next bag pointer position, return to step S31 will be calculated.
The GOOSE message receive-transmit system and its control method that the present invention is provided can not only realize that GOOSE message is special and reflect
Mode is penetrated, while can also ensure that the real-time and reliability of GOOSE message transmission, can not only more rapidly, more specification be passed
Defeated GOOSE message, additionally it is possible to effectively overcome electromagnetic interference.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the configuration diagram of the GOOSE message receive-transmit system of one embodiment of the invention;
Fig. 2 is the flow chart that ethernet controller DM9000AEP is initialized;
Fig. 3 is the flow chart that GOOSE message is sent;
Fig. 4 is the flow chart that GOOSE message is received.
Description of reference numerals:1- peripheral modules;11- LCD MODULEs;12- data memory modules;13- communication alert moulds
Block;14- keyboard input modules;2- data processing modules;3- ethernet control modules.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not paid
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is the configuration diagram of the GOOSE message receive-transmit system of one embodiment of the invention, as shown in figure 1, of the invention
The GOOSE message receive-transmit system of offer includes:Peripheral module 1, data processing module 2 and ethernet control module 3, wherein,
Peripheral module 1 includes LCD MODULE 11, data memory module 12, communication alert module 13 and key-press input mould
Block 14, data memory module 12 is used for the historical data for recording GOOSE data sets member change;Communication alert module 13 is when communication
Triggering alarm when generation is interrupted or message is lost;The display module of liquid crystal 11 is used to realize man-machine friendship with keyboard input module 14
Mutually;
Data processing module 2 is connected between peripheral module 1 and ethernet control module 3;
Data processing module 2 is connected with ethernet control module 3 by 16 channel parallel data lines;
Ethernet control module 3 is using the 100Base-FX fibre-optic transmission system (FOTS)s for meeting ISO/IEC8802-3, on optical fiber
Realize the Ethernet that transmission rate is 100Mbps.
As shown in figure 1, data processing module 2 includes two STM32F407, data processing module 2 is used to control Ethernet
Control module completes the initialization of network interface card, transmission/reception of message and the LCD MODULE in peripheral module, data is deposited
Storage module, communication alert module and the data of keyboard input module transmission/reception are handled and controlled.
As shown in figure 1, ethernet control module 3 includes ethernet controller DM9000AEP and ethernet connector
HR911105A, ethernet controller DM9000AEP can realize 100Mbps traffic rate, to complete the fast of GOOSE message
Speed sends and receives, and ethernet connector HR911105A is used to avoid DM9000AEP by DC voltage on twisted-pair feeder and high frequency
Signal is disturbed.
Fail the detail showed in explanation Fig. 1 in addition:STM32F407 and ethernet controller DM9000AEP leads to
Cross FSMC (flexible static storage controller) interface to be connected, and use software reset.On the DM9000AEP that operation needs are used
Pin have SD0~SD15, IOW, IOR, INT0, CMD and CS, reading signal lines IOR and processor reading signal lines FSMC_NOE phases
Connect, write signal line IOW connects with processor write signal line FSMC_NWE, and chip selection signal line CS is connected with FSMC_NE2, and this three
Effectively, CMD ports are connected the equal low level of root signal wire with FSMC_A18, data/address bus SD0~SD15 and FSMC_D0~FSMC_
D15 is connected.Using chief components of the DM9000AEP as ethernet control module, it is possible to achieve 100Mbps communication
Speed.When generating GOOSE message, packing transmission is carried out using ISO/IEC8802-3 frame format.Using HR911105A conducts
Network connector, can limit the interference of direct current signal and high frequency voltage.
The GOOSE message receiving and sending control method being applied in above-mentioned GOOSE message receive-transmit system that the present invention is provided includes
Following steps:
S1:Ethernet controller DM9000AEP is initialized, STM32F407 FSMC pins and configuration are set first
DM9000AEP control mouth line, then sets the initial value of DM9000AEP internal registers, to ensure by STM32F407 again
DM9000AEP is initialized successfully;
Fig. 2 is the flow chart that ethernet controller DM9000AEP is initialized, as shown in Fig. 2 step S1 includes following sub-step
Suddenly:
S11:DM9000AEP control mouth lines are configured, it is multiplexing recommending output mode to set STM32F407 FSMC pins;
S12:FSMC parallel ports accessing time sequence is configured, NOR/SRAM is initialized, the NOR/SRAM storage regions specified are enabled;
S13:DM9000AEP is subjected to software-reset, closes and interrupts enable;
S14:The value of write-in PHY registers, setting MAC Address, broadcast register and multicast register are set;
S15:Open to interrupt and enable, enable to receive and interrupt;
Specifically, in step S15, GOOSE message is received using interrupting, by the INT0 connections of DM9000AEP interrupt signals
Onto STM32F407ZGT6 PC0, then PC0 is connected on interrupt line, interruption is set to trailing edge triggering, robs and is dominant
First level is 0, and sub- priority is 1.When DM9000AEP receives message, it can trigger and interrupt and call message receiver function to incite somebody to action
The message received is stored in the specified location of internal memory.
S16:Read chip id, judge whether it is identical with being pre-designed value, if yes then enter step S17, if otherwise
Into step S18;
S17:Initialize successfully, carry out subsequent step;
S18:Initialization failure, restarts initialization, return to step S11.
S2:Control GOOSE message is transmitted, and the register inside DM9000AEP is controlled by STM32F407, is set
The GOOSE message of 12 pairs of transmissions of data memory module in message content and transmission time interval, peripheral module 1 is recorded
And store;
Fig. 3 is the flow chart that GOOSE message is sent, as shown in figure 3, step S2 includes following sub-step:
S21:GOOSE message framing and pretreatment;
S22:Whether detection data set member conjugates, if yes then enter step S24, if otherwise entering step
S23;
S23:SqNum adds 1, and StNum keeps constant, synchronous current time to GOOSE message;
S24:SqNum is reset, and StNum adds 1, synchrodata set member value and current time to GOOSE message;
Specifically, in step S23 and step S24, synchronous current time to GOOSE message, using in STM32F407
Portion's real-time clock (RTC) calculates the time.
S25:Judge whether data packet length exceedes maximum length, if yes then enter step S27, if otherwise entering step
Rapid S26;
Specifically, in step S25, judge whether data packet length exceedes maximum length, under normal circumstances GOOSE message
APDU length is at least about 120 bytes.After being formed with ethernet data frame, other necessary fields are added.Wherein lead code
Field accounts for 7 bytes;Destination address field (DAF) and source address field respectively account for 6 bytes;Priority flag field, frame school searching section account for 4 words
Section;Ethernet type value field, APPID fields, length field, the field of reserved bit 1 and the field of reserved bit 2 respectively account for 2 bytes;Frame rises
Beginning field accounts for 1 byte.So Ethernet data frame length is at least about 160 bytes or so.With the increase of institute's transmitted data amount,
Length per frame GOOSE message can also increase therewith, it is generally the case that the length of GOOSE message is about 200 bytes or so.Root
The need under different situations, maximum length can be modified.
S26:Next frame transmission pointer position is calculated, and GOOSE message data are moved into internal memory from system;
S27:The package is invalid packets, calculates next frame transmission pointer position and return to step S21;
S28:DM9000AEP packets transmission control register is controlled to send GOOSE message.
S3:Control GOOSE message is received, and STM32F407 determines whether packet by reading frame reception mark, such as
Fruit, which has then read data packet content and carries out the data memory module 12 in Decoding Analysis, peripheral module 1 to GOOSE message, docks
The GOOSE message of receipts is stored, and 13 pairs of communications of communication alert module in peripheral module 1 are monitored, in the event of communication
Interrupt or message frame losing then triggers communication alert module 13 and alarmed.
Fig. 4 is the flow chart that GOOSE message is received, as shown in figure 4, step S3 includes following sub-step:
S31:Interrupt identification is removed, frame is read and receives mark;
S32:Judgment frame receives whether mark is 01H, if yes then enter step S33, if otherwise entering step S34;
S33:Packet is effective data packets, read data packet relevant information and length;
S34:Judgment frame receives whether mark is 00H, if yes then enter step S35, if otherwise entering step S36;
S35:It is not received by packet, return to step S31.
S36:Initialization failure, reinitializes DM9000AEP, return to step S31;
S37:Data packet length is judged whether between 64~1356 bytes, if yes then enter step S38, if otherwise
Into step S39;
S38:ASN.1/BER decodings are carried out to packet, StNum and SqNum is read, read in GOOSE message data set
Hold;
S39:Skip the packet, return to step c1;
S310:Judge whether StNum and SqNum changes correctly, if yes then enter step S311, if otherwise entering step
Rapid S312;
Specifically, in step S310, when SqNum was received in GOOSE message than last time in the GOOSE message being currently received
Just big 1 and StNum keeps constant to SqNum, or the GOOSE that SqNum resets and is currently received in the GOOSE message being currently received
In message StNum received than last time in GOOSE message StNum just big 1 when, judge that other own without occurring message dropping
Situation can all send message dropping alarm.
S311:According to GOOSE message data set contents, respective handling is made to event;
S312:Send message dropping alarm, return to step S31;
S313:In GOOSE message data immigration system in internal memory, next bag pointer position, return to step S31 will be calculated.
The GOOSE message receive-transmit system and its control method that the present invention is provided can not only realize that GOOSE message is special and reflect
Mode is penetrated, while can also ensure that the real-time and reliability of GOOSE message transmission, can not only more rapidly, more specification be passed
Defeated GOOSE message, additionally it is possible to effectively overcome electromagnetic interference.
One of ordinary skill in the art will appreciate that:Accompanying drawing be module in the schematic diagram of one embodiment, accompanying drawing or
Flow is not necessarily implemented necessary to the present invention.
One of ordinary skill in the art will appreciate that:The module in device in embodiment can be according to embodiment description point
It is distributed in the device of embodiment, respective change can also be carried out and be disposed other than in one or more devices of the present embodiment.On
A module can be merged into by stating the module of embodiment, can also be further split into multiple submodule.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It still may be used
To be modified to the technical scheme described in previous embodiment, or to which part technical characteristic progress equivalent;And
These modifications are replaced, and the essence of appropriate technical solution is departed from the spirit and model of embodiment of the present invention technical scheme
Enclose.
Claims (7)
1. a kind of GOOSE message receive-transmit system, it is characterised in that including:Peripheral module, data processing module and Ethernet control
Module, wherein,
The peripheral module includes LCD MODULE, data memory module, communication alert module and keyboard input module, described
Data memory module is used for the historical data for recording GOOSE data sets member change;Communication alert module is interrupted when communication
Or message triggering alarm when losing;LCD MODULE is used to realize man-machine interaction with keyboard input module;
The data processing module is connected between the peripheral module and the ethernet control module;
The data processing module is connected with ethernet control module by 16 channel parallel data lines;
The ethernet control module is using the 100Base-FX fibre-optic transmission system (FOTS)s for meeting ISO/IEC8802-3, on optical fiber
Realize the Ethernet that transmission rate is 100Mbps.
2. GOOSE message receive-transmit system according to claim 1, it is characterised in that the data processing module includes two
Individual STM32F407, the data processing module is used to control ethernet control module to complete the initialization of network interface card, the hair of message
Send/receive and to the LCD MODULE in peripheral module, data memory module, communication alert module and keyboard input module
The data of transmission/reception are handled and controlled.
3. GOOSE message receive-transmit system according to claim 2, it is characterised in that the ethernet control module includes
Ethernet controller DM9000AEP and ethernet connector HR911105A, ethernet controller DM9000AEP can be realized
100Mbps traffic rate, is sent and received, ethernet connector HR911105A is used to keep away with completing the quick of GOOSE message
Exempt from DM9000AEP to be disturbed by DC voltage on twisted-pair feeder and high-frequency signal.
4. the GOOSE message receiving and sending control method in a kind of GOOSE message receive-transmit system applied to described in claim 3, its
It is characterised by, comprises the following steps:
S1:Ethernet controller DM9000AEP is initialized, STM32F407 FSMC pins and configuration are set first
DM9000AEP control mouth line, then sets the initial value of DM9000AEP internal registers by STM32F407 again;
S2:Control GOOSE message is transmitted, and the register inside DM9000AEP is controlled by STM32F407, sets message
Data memory module in content and transmission time interval, peripheral module is recorded and stored to the GOOSE message of transmission;
S3:Control GOOSE message is received, and STM32F407 determines whether packet by reading frame reception mark, if
Then read data packet content and Decoding Analysis is carried out to GOOSE message, the data memory module in peripheral module is to reception
GOOSE message is stored, and the communication alert module in peripheral module is monitored to communication, in the event of communication disruption or report
Literary frame losing then triggers communication alert module and alarmed.
5. GOOSE message receiving and sending control method according to claim 4, it is characterised in that step S1 includes following sub-step
Suddenly:
S11:DM9000AEP control mouth lines are configured, it is multiplexing recommending output mode to set STM32F407 FSMC pins;
S12:FSMC parallel ports accessing time sequence is configured, NOR/SRAM is initialized, the NOR/SRAM storage regions specified are enabled;
S13:DM9000AEP is subjected to software-reset, closes and interrupts enable;
S14:The value of write-in PHY registers, setting MAC Address, broadcast register and multicast register are set;
S15:Open to interrupt and enable, enable to receive and interrupt;
S16:Read chip id, judge whether it is identical with being pre-designed value, if yes then enter step S17, if otherwise entered
Step S18;
S17:Initialize successfully, carry out subsequent step;
S18:Initialization failure, restarts initialization, return to step S11.
6. GOOSE message receiving and sending control method according to claim 4, it is characterised in that step S2 includes following sub-step
Suddenly:
S21:GOOSE message framing and pretreatment;
S22:Whether detection data set member conjugates, if yes then enter step S24, if otherwise entering step S23;
S23:SqNum adds 1, and StNum keeps constant, synchronous current time to GOOSE message;
S24:SqNum is reset, and StNum adds 1, synchrodata set member value and current time to GOOSE message;
S25:Judge whether data packet length exceedes maximum length, if yes then enter step S27, if otherwise entering step
S26;
S26:Next frame transmission pointer position is calculated, and GOOSE message data are moved into internal memory from system;
S27:The package is invalid packets, calculates next frame transmission pointer position and return to step S21;
S28:DM9000AEP packets transmission control register is controlled to send GOOSE message.
7. GOOSE message receiving and sending control method according to claim 4, it is characterised in that step S3 includes following sub-step
Suddenly:
S31:Interrupt identification is removed, frame is read and receives mark;
S32:Judgment frame receives whether mark is 01H, if yes then enter step S33, if otherwise entering step S34;
S33:Packet is effective data packets, read data packet relevant information and length;
S34:Judgment frame receives whether mark is 00H, if yes then enter step S35, if otherwise entering step S36;
S35:It is not received by packet, return to step S31.
S36:Initialization failure, reinitializes DM9000AEP, return to step S31;
S37:Data packet length is judged whether between 64~1356 bytes, if yes then enter step S38, if otherwise entered
Step S39;
S38:ASN.1/BER decodings are carried out to packet, StNum and SqNum is read, GOOSE message data set contents are read;
S39:Skip the packet, return to step c1;
S310:Judge whether StNum and SqNum changes correctly, if yes then enter step S311, if otherwise entering step
S312;
S311:According to GOOSE message data set contents, respective handling is made to event;
S312:Send message dropping alarm, return to step S31;
S313:In GOOSE message data immigration system in internal memory, next bag pointer position, return to step S31 will be calculated.
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