CN108462593A - Slave parameter setting method based on RS485 communication systems - Google Patents
Slave parameter setting method based on RS485 communication systems Download PDFInfo
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- CN108462593A CN108462593A CN201710091685.9A CN201710091685A CN108462593A CN 108462593 A CN108462593 A CN 108462593A CN 201710091685 A CN201710091685 A CN 201710091685A CN 108462593 A CN108462593 A CN 108462593A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
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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
- H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
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Abstract
The invention discloses a kind of slave parameter setting methods based on RS485 communication systems in the quick-fried Control System Design technical field of the people.Method includes：Initiator sends address initialization instruction, and all network devices initialize oneself state；Initiator sends the address distribution comprising network device address and instructs, and network device stores network device address according to oneself state；Initiator sends the address lock instruction for including network device address, and network device changes oneself state according to network device address and sends answer signal to initiator；If the initiator receives the answer signal, the step of initiator sends address distribution instruction is returned.The present invention is in the initiation net connected using four-wire system, after network device accesses initiation net, network device address is arranged by initiator, without being network device writing address in advance, time and the cost of demolition site implantation of device have been saved, while having improved the flexibility of field device laying.
Description
Technical field
The invention belongs to the quick-fried Control System Design technical field of the people more particularly to it is a kind of based on RS485 communication systems from
Machine parameter setting method.
Background technology
The slave connection type of existing electronic detonator initiating network mainly uses two-wire system, i.e., main as initiator
Machine is connect by two detonation buses with the slave of network device etc.In addition to this, electronic detonator initiating network also has a kind of base
In the four-wire system connection type of RS485 communication mechanisms, as shown in Figure 1.In this connection type, since blast area and detonation are controlled
Place processed has larger distance (being typically hundreds of meters), needs longer detonation bus, therefore initiator generally passes through two
Detonation bus is connected with the network device (slave) in blast area, can reduce cost in this way.And each network device in blast area it
Between distance be then arranged according to the distance of the row of practical blast hole (or row or section or Kong Yukong), be usually no more than 10
Rice.The daisy chain connection type of four-wire system is used between each network device, i.e., is connected by four lines between each network device.
In four lines being connected with network device, two lines respectively with detonation bus (i.e. the A lines and B lines of RS485) in parallel, line parallel connection
After be grounded, another is interconnection between the device of network.
Since the communication mode based on RS485 between existing initiator and network device is all to broadcast mode,
Realize the communication between initiator and specific network device, it is necessary to make network device that there is unique network address or network mark in advance
Know, includes specific network device in the instruction that initiator is sent in this way when initiator is communicated with specific network device
Network address or network identity, so that it may realize the purpose that initiator is communicated with specific network device.
But network address (or network identity) is written in the device of network in advance, the complexity of field conduct can be increased.Separately
Outside, network address (or network identity) is written in the device of network in advance also can make the use of network device lose flexibility.For example,
To after network device write-in network address (or network identity), for some reason, network device is not used.By the network, device is taken
Another demolition site is in use, need to re-write network address (or network identity).
For the above situation, need network address (or network identity) set-up mode of the network device that four-wire system is connected into
Row improves, to solve the problems, such as that it exists in use.
Invention content
The object of the present invention is to provide a kind of slave parameter setting methods based on RS485 communication systems, for solving
It is asked existing for the parameter setting of the network device of the electronic detonator initiating network of four-wire system connection type based on RS485 communication systems
Topic.
To achieve the goals above, technical solution proposed by the present invention is a kind of slave ginseng based on RS485 communication systems
Number setting method, which is characterized in that the method includes：
Step 1：Initiator sends address initialization instruction, and all network devices initialize oneself state；
Step 2：Initiator sends the address distribution comprising network device address and instructs, and network device stores institute according to oneself state
State network device address；
Step 3：Initiator sends the address lock instruction for including network device address, and network device is according to the network device
It changes oneself state and sends answer signal to initiator in address；
Step 4：If the initiator receives the answer signal, return to step 2.
The oneself state includes input state, address lock-out state and output state.
All network devices initialize oneself state：
First network device by input state be set as can input state, set address lock-out state to unlocked state simultaneously
And set output state to can not output state；
Remaining network device by input state be set as can not input state, set address lock-out state to unlocked state
And setting output state to can not output state.
The network device stores network device address according to oneself state：
When the input state of the network device be can input state and address lock-out state be unlocked state when, it is described
Network device extraction described address distributes the network device address in instruction and stores network device address.
The network device changes oneself state according to network device address：
The network device judges the network device address in described address lock instruction with the network device of itself storage
Whether location is identical, if the network device address in described address lock instruction is identical as the network device address that itself is stored,
Then address lock-out state is revised as locked state and output state is revised as exportable state by the network device.
Output state is revised as exportable state by the network device leads to the next network being connected with the network device
The input state of device is modified to can input state.
The method further includes, detonate extension parameter setting the step of, specifically：
The initiator transmission includes network device address and detonation extension parameter corresponding with network device address
Setting instruction；
The network device is according to the network device address that is stored with itself of network device address in the setting instruction
It is no identical to determine whether to store the detonation extension parameter.
Described address distribution instruction further comprises detonation extension parameter corresponding with network device address.
The network device stores network device address according to oneself state：
When the input state of the network device be can input state and address lock-out state be unlocked state when, it is described
Described in detonation extension parameter corresponding with network device address and storage in the device extraction described address distribution instruction of network
Detonation extension parameter.
The detonation extension parameter delays to delay between hole including starting, or including extension table.
The present invention after network device accesses initiation net, passes through initiator in the initiation net connected using four-wire system
Network device address is set, without being in advance network device writing address, has saved time and the cost of demolition site implantation of device, together
When improve field device laying flexibility.
Description of the drawings
Fig. 1 is four-wire system initiation net connection diagram.
Fig. 2 is according to initiation net connection diagram provided by the invention；
Fig. 3 is the flow chart according to the method provided by the invention of one embodiment；
Fig. 4 is network device and electric detonator connection diagram；
Fig. 5 is the flow chart according to the method provided by the invention of another embodiment；
Fig. 6 a are that equal difference delays that schematic diagram is arranged；
Fig. 6 b are extension parameter lists.
Specific implementation mode
Below in conjunction with the accompanying drawings, it elaborates to preferred embodiment.It is emphasized that following the description is merely exemplary
, the range being not intended to be limiting of the invention and its application.
In the present invention, term " slave " refers to the equipment with network device or repeater function.
In the initiation net based on RS485 communication systems, initiator is based on RS485 communication protocols and is sent to initiation net
Instruction, which is to broadcast instruction, and all network devices in network can be received by the instruction.But network device is unaware of the instruction
Whether oneself is intended for.Therefore, it in order to which the network device determined with some is communicated, is usually wanted in the instruction that initiator is sent
Include the unique attribute, such as address, ID etc. of the specific network device.The present invention technological difficulties be that, in the device of network still
And there is no when unique attribute, it can not realize two-way communication with initiator.
In the present invention, three states of network device, respectively input state, address lock-out state and output shape are set
State.Whether network device determines whether to receive the dependent instruction of initiator by these three states and answers initiator
It answers.In addition, these three states of network device can be realized by hardware and/or software.Certainly, the present invention is not limited thereto,
In the case where not departing from the spiritual guidance for the specific embodiment that the present invention is provided below, those skilled in the art can also use
Other modes of texturing.
Fig. 2 is the initiation net connection diagram provided according to invention.In this embodiment, network device passes through four-wire system side
Formula is linked in sequence, and two of which line is connected in parallel in the detonation bus (the A lines and B lines of RAS) of initiator offer, after a line parallel connection
Ground connection, also a line is interconnection, the input terminal of output end and next network device for connecting upper network device.
In embodiment provided by the invention, input state, address lock-out state are indicated with ADDR, LOCK and NEXT respectively
And output state.As ADDR=1, expression input state is can input state；As ADDR=0, indicate that input state is not
It can input state.As LOCK=1, expression address lock-out state is locked state；As LOCK=0, address locking is indicated
State is unlocked state.As NEXT=1, expression output state is exportable state；As NEXT=0, output shape is indicated
State is can not output state.
Embodiment 1
Fig. 3 is the flow chart according to the method provided by the invention of one embodiment.As shown in figure 3, provided by the invention
A kind of slave parameter setting method based on RS485 communication systems includes：
Step 101：Initiator sends address initialization instruction, and all network devices initialize oneself state.
Since the instruction that initiator is sent is to broadcast instruction, each network device can be received by the address initialization and refer to
It enables.After network device receives address initialization instruction, oneself state is initialized.
In the present embodiment, the oneself state of network device includes input state, address lock-out state and output state, therefore
Network device initializes oneself state：First network device sets input state to can input state (i.e. ADDR=1), general
Address lock-out state be set as unlocked state (i.e. LOCK=0) and by output state be set as can not output state (i.e.
NEXT=0).Remaining network device by input state be set as can not input state (i.e. ADDR=0), address lock-out state is arranged
Being set as unlocked state (i.e. NEXT=0) and by output state can not output state (i.e. NEXT=0).
In the above description, the first network device is in initiation net, along detonation bus with initiator apart from nearest net
Road device, such as the first network device in Fig. 2.It should be noted that network device judges by the way that whether input port accesses interconnection
Whether it is the first network device.Due to there is no network device before the first network device, so its input port does not access interconnection.And root
According to daisy chain connection type, remaining network device is centainly connected by input port with network device before.
Step 102：Initiator sends the address distribution comprising network device address and instructs, and network device is stored according to oneself state
Electric detonator address.
In the present embodiment, it is assumed that network device address is 0x30.And the address distribution instructs and broadcasts instruction, and it is each
Network device can be received by address distribution instruction.In order to make a determining network device store the network device address, the present invention
Take following means：When the input state of network device be can input state (i.e. ADDR=1) and address lock-out state be unlocked
When determining state (i.e. LOCK=0), which extracts the network device address in address distribution instruction and stores the network device of extraction
Address.
Since in initial setting process, only the first network device meets above-mentioned condition (i.e. ADDR=1 and LOCK=
0), the ADDR=0 of other network devices, so only the first network device is with extracting the network device in simultaneously storage address distribution instruction
Location.
Step 103：Initiator sends the address lock instruction for including network device address, and network device is repaiied according to network device address
Change oneself state and sends answer signal to initiator.
In this step, the network device address in the address lock instruction that initiator is sent, with previous step (step
102) in, the network device address in address distribution instruction is identical, i.e. 0x30.
The purpose of the step is that modification has just stored the parameter of the network device of network device address.And by just storing
The network device of network device address changes the input state for the next network device being attached thereto.
The process is specifically：Network device judges the network device address in the lock instruction of address with the network device of itself storage
Whether location is identical.For example, the network device address in the lock instruction of address is 0x30, the network device of the first network device itself storage
Location is 0x30, and the two is identical, then address lock-out state is revised as locked state (i.e. LOCK=1) and will by the first network device
Output state is revised as exportable state (i.e. NEXT=1).When the output state of the first network device is revised as exportable state (i.e.
NEXT=1 after), due to the presence of interconnection so that the input state for the second network device being connected with the first network device is changed
For can input state (i.e. ADDR=1).At this point, ADDR=1, LOCK=1 and the NEXT=1 of the first network device.And the second network
The ADDR=1 and LOCK=0 of device.This just gets ready to be circularly set the address of the second network device next time.
After having changed setting, which will send answer signal to initiator, and instruction initiator modification is completed.
Step 104：If initiator receives answer signal, return to step 102；If initiator does not receive response letter
Number, then terminate.
If initiator receives answer signal, illustrates to there is network device to store network device address and have modified itself shape
State, return to step 102, carry out the setting of next network device at this time.If initiator does not receive answer signal, illustrate all
Setting completed for network device.
After return to step 102, initiator sends the address distribution that another includes network device address (such as 0x40) and instructs.
Due to be previously stored network device address network device (such as the first network device) input state be can input state (i.e. ADDR=
1), address lock-out state is locked state (i.e. LOCK=1), output state is exportable state (i.e. NEXT=1), therefore first
The network device of preceding storage network device address no longer responds address distribution instruction and carries out any action.And it is previously stored network device
Next network device (such as the second network device) of the network device of address due to input state be can input state (i.e. ADDR=1),
Address lock-out state is unlocked state (i.e. LOCK=0), therefore is previously stored next net of the network device of network device address
Road device repeats the above steps 102-103.The first network device wherein in above-mentioned steps 102 and 103 accordingly becomes the second network device,
And the second network device accordingly becomes third network device.Address 0x30 in above-mentioned steps 102 and 103 also correspondingly changes new ground into
Location such as 0x40.And so on, complete the address storage of all network devices.It should be noted that the above-mentioned steps of the present invention ensure
In each cyclic process, only there are one the conditions that network device meets ADDR=1 and LOCK=0 in all network devices, thus
Ensure to be recycled every time for a determining network device setting address.
In the above method, after all network devices store network device address, it may also include the step of detonation extension parameter setting
Suddenly (step 105), specifically：Initiator transmission includes network device address and detonation extension parameter corresponding with network device address
Setting instruction；Whether the network device address during network device is instructed according to the setting is identical come really as the network device address of itself storage
It is fixed whether to store detonation extension parameter.The network device address phase of network device address and network device itself storage in setting instructs
Meanwhile network device stores detonation extension parameter corresponding with the network device address.
Since each network device is connected with a detonation branch, and branch road several electric detonators (such as Fig. 4) in parallel of detonating,
Therefore network device will be responsible for all electric detonators setting detonation extension of the detonation branch road.Extension parameter detonate actually
It is the relevant parameter of detonation extension with all electric detonators of detonation branch road.Detonation extension parameter can be starting delay and
Delay between hole, or detonation extension parameter can be extension table.The extension setting of electric detonator will be described below.
Embodiment 2
Setting detonation extension is different after all network devices store network device address from embodiment 1, this implementation is in each net
While the device storage network device address of road, storage detonation extension parameter.
Fig. 5 is the flow chart according to the method provided by the invention of one embodiment.As shown in figure 5, provided by the invention
A kind of slave parameter setting method based on RS485 communication systems includes：
Step 201：Initiator sends address initialization instruction, and all network devices initialize oneself state.
After network device receives address initialization instruction, oneself state is initialized.Specifically：ADDR is arranged in first network device
=1, LOCK=0 and NEXT=0.ADDR=0, NEXT=0 and NEXT=0 is arranged in remaining network device.
Step 202：It includes network device address and detonation extension parameter corresponding with network device address that initiator, which is sent,
Address distribution instruction, network device according to oneself state store network device address and detonation extension parameter.
When the input state of network device is ADDR=1 and LOCK=0, in the network device extraction address distribution instruction
Network device address and detonation extension parameter corresponding with the network device address, and store the network device address of extraction and detonation is prolonged
Period parameters.In the present embodiment, it is assumed that the electric detonator address is 0x30.
Step 203：Initiator sends the address lock instruction for including network device address, and network device is according to electric detonator address
It changes oneself state and sends answer signal to initiator.
In this step, the network device address in the address lock instruction that initiator is sent, with previous step (step
202) in, the network device address in address distribution instruction is identical, i.e. 0x30.
The purpose of the step is that modification has just stored the parameter of the network device of network device address.And by just storing
The network device of network device address changes the input state for the next network device being attached thereto.The concrete modification of network device state
It is identical as step 103.
After having changed setting, which will send answer signal to initiator, and instruction initiator modification is completed.
Step 204：If initiator receives answer signal, return to step 102；If initiator does not receive response letter
Number, then terminate.
After all network devices store network device address and detonation extension parameter corresponding with network device address, this method knot
Beam.
Fig. 4 is now turned to, after address is arranged in each network device and stores detonation extension parameter, network device can be and oneself
Electric detonator arrange parameter in parallel in the detonation branch that body is connected.
It is first that starting delays to delay to illustrate between hole with extension parameter of detonating.Assuming that starting delays to be 10ms, Kong Jian
Delay to be 5ms.In some type of explosion, such as in plane explosion, the detonation extension difference between an explosive holes can
Can be identical, i.e., equal difference is delayed.For example, in Fig. 6 a, the detonation extension difference between each blast hole in row is 5ms,
The detonation of first blast hole in row delays and (originates and delay) to be 10ms, then the detonation of each blast hole in the explosive holes
Extension be successively 10ms, 15ms, 20ms ....
Since electric detonator is sequence and to be connected to detonation branch (directly in parallel or by unshowned connection one by one
Part), therefore when an electric detonator access detonation branch, can network address be arranged for it rapidly in network device, for example, when first
When a electric detonator access network, network device is that address 0x30 is arranged in the electric detonator：001.Wherein, " 0x30 " is network device
Location, " 001 " are serial number of the electric detonator in the branch that detonates.Based on this, each electric detonator in initiation net can get
One unique address.
It, can be according to being every after network device each electric detonator setting network address in parallel on for its branch road of detonating
A electric detonator write-in detonation is delayed.For example, for the corresponding electric detonator of third blast hole, address is 0x30：003,
Network device calculates the absolute detonation of the electric detonator according to extension (5ms) and serial number 3 between starting extension (10ms), hole at this time
Delay (true detonation is delayed) for 10+ (3-1) * 2=20ms.It includes network address (0x30 that so network device, which is sent,：003) and it is true
The detonation of real detonation extension 20ms delays that instruction electron detonator is arranged, and electric detonator stores the true detonation after receiving the instruction
Delay.
Certainly, in the above embodiments, true detonation delays also be calculated by electric detonator, i.e., network device only will starting
Delay to delay to be sent to electric detonator between hole, electric detonator delays to delay to calculate and store between hole according to serial number, starting
It is true to delay.
Certainly, in the explosion of other types, the detonation extension difference between an explosive holes may be it is irregular,
Detonation extension parameter can be extension parameter list at this time, as shown in Figure 6 b.In the table shown in Fig. 6 b, left side field is electronics thunder
The serial number of pipe, right side field are that detonation is delayed.Network device is sent to according to the sequence of the electric detonator of access detonation branch
Serial number and detonation are delayed.
In the present invention, setting up and or changing for input state, address lock-out state and output state can pass through hardware
And/or software realization.By taking hardware realization as an example, the setting of input state, address lock-out state and output state is briefly described.
Each row's extension control module includes three voltage control modules, respectively input state voltage control module, address locking
Of-state voltage control module and output state voltage control module.
In initialization, the first network device detects that input port does not have interconnection, then input state voltage control module
Become high level, i.e. ADDR=1, and address lock-out state voltage control module and output state voltage control module become low
Level, i.e. LOCK=0 and NEXT=0.Each voltage control module of remaining network device exports low level, i.e. ADDR=0, LOCK
=0 and NEXT=0.
After the first network device stores network device address, when receiving address lock instruction, the address of the first network device is locked
Determining of-state voltage control module and output state voltage control module becomes high level, i.e. LOCK=1 and NEXT=1.Due to
The input port of second network device is connected by interconnection with the output port of the first network device, therefore in the first network device
When NEXT=1, the input state voltage control module of the second network device becomes high level, i.e. ADDR=1.According in this way, respectively
Each voltage control module output low level or high level of a network device, to realize input state, address lock-out state and defeated
What is done well sets up and or changes.
Input state, address lock-out state and the setting up and or changing for output state of network device also can be by software realities
Existing, these are all technological means well known to those skilled in the art, and the present invention repeats no more.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (10)
1. a kind of slave parameter setting method based on RS485 communication systems, which is characterized in that the method includes：
Step 1：Initiator sends address initialization instruction, and all network devices initialize oneself state；
Step 2：Initiator sends the address distribution comprising network device address and instructs, and network device stores the net according to oneself state
Road device address；
Step 3：Initiator sends the address lock instruction for including network device address, and network device is according to network device address
It changes oneself state and sends answer signal to initiator；
Step 4：If the initiator receives the answer signal, return to step 2.
2. according to the method described in claim 1, it is characterized in that the oneself state includes input state, address lock-out state
And output state.
3. according to the method described in claim 2, it is characterized in that all network device initialization oneself states are specifically：
First network device by input state be set as can input state, set address lock-out state to unlocked state and will
Output state is set as can not output state；
Remaining network device by input state be set as can not input state, set address lock-out state to unlocked state and
Setting output state to can not output state.
4. according to the method described in claim 3, it is characterized in that the network device stores the network device according to oneself state
Address is specifically：
When the input state of the network device be can input state and address lock-out state be unlocked state when, the network
Device extraction described address distributes the network device address in instruction and stores network device address.
5. according to the method described in claim 4, it is characterized in that the network device changes itself according to network device address
State is specifically：
The network device judges that the network device address that the network device address in described address lock instruction is stored with itself is
It is no identical, if the network device address in described address lock instruction is identical as the network device address that itself is stored, institute
Network device is stated address lock-out state is revised as locked state and output state is revised as exportable state.
6. according to the method described in claim 5, it is characterized in that output state is revised as exportable state by the network device
Causing the input state for the next network device being connected with the network device to be modified to can input state.
7. according to the method described in claim 6, it is characterized in that the method further includes detonation extension parameter setting
Step, specifically：
It includes setting for network device address and extension parameter of detonating corresponding with network device address that the initiator, which is sent,
Set instruction；
The network device according to the network device address that is stored with itself of network device address in the setting instruction whether phase
With determining whether to store the detonation extension parameter.
8. according to the method described in claim 6, it is characterized in that described address distribution instruction further comprises and the network
The corresponding detonation extension parameter in device address.
9. according to the method described in claim 8, it is characterized in that the network device stores the network device according to oneself state
Address further includes：
When the input state of the network device be can input state and address lock-out state be unlocked state when, the network
Device extraction described address distributes the detonation extension parameter corresponding with network device address in instruction and stores the detonation
Extension parameter.
10. according to the method described in any one of claim 7-9, it is characterised in that the detonation extension parameter includes that starting is prolonged
Delay between phase and hole, or including extension table.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995527A (en) * | 2019-11-08 | 2020-04-10 | 重庆云铭科技股份有限公司 | Electronic detonator network rapid inspection method and device, storage medium and electronic terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995527A (en) * | 2019-11-08 | 2020-04-10 | 重庆云铭科技股份有限公司 | Electronic detonator network rapid inspection method and device, storage medium and electronic terminal |
| CN110995527B (en) * | 2019-11-08 | 2023-02-28 | 重庆云铭科技股份有限公司 | Electronic detonator network rapid inspection method and device, storage medium and electronic terminal |
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Application publication date: 20180828 |