CN1224200C - Double communication device and method for remote monitoring and controlling - Google Patents
Double communication device and method for remote monitoring and controlling Download PDFInfo
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- CN1224200C CN1224200C CNB021278717A CN02127871A CN1224200C CN 1224200 C CN1224200 C CN 1224200C CN B021278717 A CNB021278717 A CN B021278717A CN 02127871 A CN02127871 A CN 02127871A CN 1224200 C CN1224200 C CN 1224200C
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Abstract
A duplex communication apparatus for remote monitoring control capable of securing high versatility in a communication system for remote monitoring control using an IEC60870-5-101 protocol or a similar proto col. A master (20) in a standby state detects the occurrence of a failure about a slave among a plurality of first slaves (30-1 to 30-n) and a plurality of second slaves (40-1 to 40-n) communicating with an operating master (10), classifies the cause of the failure into a failure of the slave communicating with the operating master, a failure of either a first communication line (11) or a second communication line (12) and a failure of the operating master, and performs processing corresponding to the cause of the classified failure.
Description
Technical field
The present invention relates to the dual communication system and the dual communication means of the telemonitoring control usefulness in electric power system, transformer substation system and the water treatment system etc.
Background technology
The communication control procedure IEC60870-5-101 that is formulated by International Electrotechnical Commissio (IEC) carries out digital value between the communicator (hereinafter to be referred as " handset ") at a communicator that utilizes telephone line and serial transmission line (RS-232C) in central monitoring control centre one side (hereinafter to be referred as " main frame ") and an on-the-spot side, exchange such as the contact of the data of the analogue value and count value etc. and formulating, it is widely used in electric power, power transformation and water treatment aspect.
Below explanation action.
In this communication control procedure, in order to ensure high availability, each communicator (main frame and handset) and communication line are carried out the method for dualization and do not do rules.The kind of the data that between main frame and handset, exchange, except process datas such as above-mentioned digital value, the analogue value and count value and request msg thereof, also only rules with the initialization of each communicator, the control data relevant that reset with clock synchronization, and do not have rules that the fault of communication equipment and communication line is notified or used data are indicated in the switching of dualization part.
Problem to be solved by this invention
The communication control procedure in past, it constitutes as mentioned above, so the problem of existence is when communication equipment or communication line break down, can not notifying fault.
Summary of the invention
The present invention proposes in order to address the above problem just, its purpose is to obtain a kind of in the communication system of the telemonitoring control usefulness that adopts IEC60870-5-101 rules and similar rules, can guarantee the dual communicator and the dual communication means of the telemonitoring control usefulness of high availability.
According to an aspect of the present invention, a kind of dual communication system is provided, it is characterized in that comprising the communicator of 2 systems, each communicator is made of main frame and many estrades machine and the communication line that is connected them, and above-mentioned main frame and handset have the 1st and the 2nd circuit connector; Above-mentioned communication line is to connect the above-mentioned the 1st and the 1st and the 2nd communication line of the 2nd circuit connector respectively; Also comprise many other system monitor bus, connect each main frame of each system and each handset of each system's correspondence, communicator 1 system is in the work of operating condition, the main frame of another communicator monitors the operational situation of the communicator that is in operating condition in holding state, and by finding the electric cut-out of communication line, detect fault and take place, switching is dealt with fault corresponding to one of main frame, handset and circuit of fault when fault takes place.
According to another aspect of the present invention, a kind of fault countermeasure of dual communication system of telemonitoring control usefulness is provided, above-mentioned dual communication system comprises the communicator of 2 systems, each communicator is made of main frame and many estrades machine and the communication line that is connected them, and above-mentioned main frame and handset have the 1st and the 2nd circuit connector; Above-mentioned communication line is to connect the above-mentioned the 1st and the 1st and the 2nd communication line of the 2nd circuit connector respectively; Also comprise many other system monitor bus, connect each main frame of each system and each handset of each system's correspondence, this method is characterized in that: the communicator 1 system is in the work of operating condition, the main frame of another communicator has following process in holding state: the notice of the electric cut-out of foundation (a) above-mentioned communication line, one of (b) and above-mentioned to be in replying of the handset that communicates between the main frame of operating condition overtime, detecting fault takes place; According to having or not normal communication line, distinguish the fault of above-mentioned handset fault and communication line; According to communicating with another handset or above-mentioned fault can not communicate with another handset after taking place and reaches certain number of times whether continuously repeatedly, distinguish the fault and the above-mentioned hostdown that is in operating condition of above-mentioned communication line; When communication line cuts off, switch to normal communication line and tackle processing, when main frame or handset fault, switch to the main frame of another corresponding system or handset and tackle processing.
According to a further aspect of the invention, a kind of fault countermeasure of dual communication system of telemonitoring control usefulness is provided, above-mentioned dual communication system comprises the communicator of 2 systems, each communicator is made of main frame and many estrades machine and the communication line that is connected them, and above-mentioned main frame and handset have the 1st and the 2nd circuit connector; Above-mentioned communication line is to connect the above-mentioned the 1st and the 1st and the 2nd communication line of the 2nd circuit connector respectively; Also comprise many other system monitor bus, connect each main frame of each system and each handset of each system's correspondence, this method is characterized in that: the communicator 1 system is in the work of operating condition, the main frame of another communicator has following process in holding state: the notice of the electric cut-out of foundation (c) above-mentioned communication line, one of (d) and above-mentioned to be in replying of the handset that communicates between the main frame of operating condition overtime, detecting fault takes place; When above-mentioned failure cause is communication line, the above-mentioned communication line of holding state is switched to operating condition; When above-mentioned failure cause was above-mentioned handset, the handset of another system that will be corresponding with above-mentioned handset changed into operating condition; When above-mentioned failure cause was the above-mentioned main frame that is in operating condition, the main frame that will be in holding state switched to operating condition.
Description of drawings
Fig. 1 is the figure that the integral body of dual communicator of the telemonitoring control usefulness of expression the present invention the 1st embodiment constitutes.
Fig. 2 is the figure that is illustrated in the communication process under the communication mode of what is called " backstage inquiry ".
Fig. 3 is the figure that is illustrated in the communication process under the communication mode of what is called " query processing ".
Fig. 4 is the flow chart that expression is in the action of the main frame under the stand-by state.
Fig. 5 is the flow chart of the action of expression " troubleshooting " process.
Embodiment
Below describe embodiments of the invention in detail.
The 1st embodiment
Fig. 1 is the integrally-built figure that the telemonitoring of expression the 1st embodiment of the present invention is controlled the dual communicator of usefulness.
10 is host As in Fig. 1, the 20th, and host B, the 11st, communication line A, the 12nd, communication line B.11-1 and 11-2 are the circuit connectors of host A 10.21-1 and 21-2 are the circuit connectors of host B 20.The 13rd, the other system monitor bus between main frame.30-1 is handset 1A, and 30-2 is handset 2A, and 30-n is handset nA.31-1-1 and 31-1-2 are the circuit connectors of handset 1A30-1, and 31-2-1 and 31-2-2 are the circuit connectors of handset 2A30-2, and 31-n-1 and 31-n-2 are the circuit connectors of handset nA30-n.
40-1 is handset 1B, and 40-2 is handset 2B, and 40-n is handset nB.41-1-1 and 41-1-2 are the circuit connectors of handset 1B40-1, and 41-2-1 and 41-2-2 are the circuit connectors of handset 2B40-2, and 41-n-1 and 41-n-2 are the circuit connectors of handset nB40-n.
14-1 is the other system monitor bus 1 between handset, and 14-2 is the other system monitor bus 2 between handset, and 14-n is the other system monitor bus n between handset.In Fig. 1, n is a positive integer, and the group of handset nA and handset nB is provided with the n group from handset 1A and handset 1B to handset nA and handset nB.
In Fig. 1 and following explanation, for the other system monitor bus between the handset iA from i=3 to i=n-1 and handset iB and handset, its diagram and explanation are omitted.
Below describe in detail and connect
Host A 10 and host B 20 utilize the other system monitor bus 13 between main frame and are connected to each other.Handset 1A30-1 and handset 1B40-1 utilize the other system monitor bus 14-1 between handset and are connected to each other.Handset 2A30-2 and handset 2B40-2 utilize the other system monitor bus 14-2 between handset and are connected to each other.Handset nA30-n and handset nB40-n utilize the other system monitor bus 14-n between handset and are connected to each other.
Host A 10 is connected to communication line A11 by circuit connector 11-1.
Host B 20 is connected to communication line A11 by circuit connector 21-1.
Handset 1A30-1 is connected to communication line A11 by circuit connector 31-1-1.
Handset 1B40-1 is connected to communication line A11 by circuit connector 41-1-1.
Handset 2A30-2 is connected to communication line A11 by circuit connector 31-2-1.
Handset 2B40-2 is connected to communication line A11 by circuit connector 41-2-1.
Handset nA30-λ is connected to communication line A11 by circuit connector 31-n-1.
Handset nB40-λ is connected to communication line A11 by circuit connector 41-n-1.
Host A 10 is connected to communication line B12 by circuit connector 11-2.
Host B 20 is connected to communication line B12 by circuit connector 21-2.
Handset 1A30-1 is connected to communication line B12 by circuit connector 31-1-2.
Handset 1B40-1 is connected to communication line B12 by circuit connector 41-1-2.
Handset 2A30-2 is connected to communication line B12 by circuit connector 31-2-2.
Handset 2B40-2 is connected to communication line B12 by circuit connector 41-2-2.
Handset nA30-n is connected to communication line B12 by circuit connector 31-n-2.
Handset nB40-n is connected to communication line B12 by circuit connector 41-n-2.
Below describe operation in detail
In the 1st embodiment, communicate according to the IEC60870-5-101 rules between host A 10 and host B 20 and handset 1A30-1 and handset 1B40-1～handset nA30-n and the handset nB40-n.To identical rules, represent its summary at this.
＜communication mode 〉
Two kinds of communication modes of rules.A kind of is the balance mode (balanced mode) that host A 10 (host B 20) and handset 1A30-1～both sides of handset n30-n, handset 1B40-1～handset nB40-n can both issue request; Another kind is that only host A 10 (host B 20) can be issued the uneven mode (unbalanced mode) of asking.The present invention only adopts the latter's uneven mode.Repeat following action: host A 10 (host B 20) sends 1 request msg respectively to handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n, receives respectively that from each handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n 1 is replied.
＜communication process 〉
Communicating by letter between 1 host A 10 (host B 20) and many estrades machine (handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n) carried out successively.That is to say, host A 10 (host B 20) is after one of handset 1A30-1～handset nA30-n, handset 1B40-1～handset n40-n sends solicited message, return one from the handset that has sent this solicited message and reply, perhaps before abort communication, do not communicate by letter with other handsets through predetermined time-out time.
Fig. 2 is the figure of communication process that is illustrated in the communication form of what is called " backstage inquiry ".The communication of this form is carried out under following situation, and promptly not having should be from the data of main frame 10 (host B 20) to handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n transmission.Host A 10 (host B 20) sends " query requests " to each handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n successively, and whether inquiry has will be to the data of host A 10 (host B 20) transmission.In handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n, receive the handset of query requests, if any will then sending these data to the data of host A 10 (host B 20) transmission; If no, then send: " NACK data ".Under the situation that the data that will send once cannot not sent out intactly, repeatedly inquire wholesale this data of giving of time-division at host A 10 (host B 20).
Fig. 3 is the figure that is illustrated in the process of the communication in the communication mode of what is called " query processing ".The communication of this mode is carried out under following situation:
1, having will be from the data of host A 10 (host B 20) to handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n transmission.
2, ask clearly to send data to handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n from host A 10 (host B 20).
Below illustrate query processing.
(1) sends from the data of host A 10 (host B 20) to handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n
(2) from the clearly data sending request of expression of host A 10 (host B 20) to handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n
(3) from the transmission of host A 10 (host B 20) to the subsidiary parameter (threshold value etc.) of the data of handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n
(4) from host A 10 (host B 20) to the transmission of the operation requests of the count value of handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n (count value make zero etc.)
Query processing is according to being begun to the request of handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n by host A 10 (host B 20), end after the once above data between host A 10 (host B 20) and handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n come and go.If host A 10 (host B 20) begins query processing to certain handset among handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n, then finish or before abort communication, do not communicate by letter with other handsets through the time-out time of rules in advance in query processing.
The formation of＜dualization 〉
As shown in Figure 1, each communicator (host A 10 and handset 1A30-1～handset nA30-n, host B 20 and handset 1B40-1～handset nB40-n) carry out dualization respectively, is connected with 2 communication lines (communication line A11 and communication line B12) between the communicator.
The present invention in order to ensure high availability, realizes dualization (standby redundancyization) of communication equipment and communication line by the following method in the communication system of the telemonitoring control usefulness that adopts above-mentioned IEC60870-5-101 rules and similar rules.
Dualization of＜communicator 〉
Each communicator (host A 10 and handset 1A30-1～handset nA30-n, host B 20 and handset 1B40-1～handset nB40-n) adopts the standby redundancy structure.Constitute between the communicator of dualization by the other system monitor bus 13 between main frame and be connected with other system monitor bus 14-1～14-n between handset.By other system monitor bus 13,14-1-14-n, be in communicator (host B 20, handset 1B40-1～handset nB40-n) under the stand-by state to being in communicator (host A 10, handset 1A30-1～handset nA30-n) under the operating condition, periodically inquire in order to confirm its whether operate as normal.If do not send the normal response of certain number of times here, so, be in communicator under the stand-by state and just transfer to operating condition and start working from being in communicator under the operating condition.
Dualization of＜communication line 〉
Between main frame and the handset (host A 10 and host B 20 and handset 1A30-1～handset nA30-n and handset 1B40-1～handset nB40-n), utilize 2 communication lines (communication line A11 and communication line B12) to be connected.Have 2 circuit connectors (circuit connector 11-1,11-2,31-1-1,31-1-2～31-n-1,31-n-2 and circuit connector 21-1,21-2,41-1-1,41-1-2～41-n-1,41-n-2) in each communicator (host A 10, handset 1A30-1～handset nA30-n and host B 20, handset 1B40-1～handset nB40-n), be connected respectively on above-mentioned 2 communication lines (communication line A11 and communication line B12).Article 1, communication line is connected the both sides (communication line carries out electrical branch) of the communicator of dualization.
The changing method of＜dualization part 〉
The method that communication is carried out is: the host A 10 (host B 20) that is under the operating condition sends request msg to handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n, and handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n is to these echo reply data.Be in the host B 20 (host A 10) under the stand-by state, according to some in the two of a, b: (a) notice of the electric cut-out of communication line A11 and communication line B12 (disconnection of the DTR line of RS-232C etc.), (b) are overtime from replying of coming of handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n, can know certain fault has taken place.
To (a) and phenomenon (b), utilize algorithm of the present invention that failure cause is divided into: 1. the fault of handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n, 2. communication line A11 and communication line B12 fault, 3. be in the fault of the host A 10 (host B 20) under the operating condition, carry out the processing of rules respectively, make communication recovery.
Fig. 4 is the action flow chart that expression is in the host B 20 (host A 10) under the stand-by state.The host B 20 (host A 10) that is under the stand-by state repeats following processing on one side, with host A 10 (host B 20) and each handset (handset 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n) of being in operating condition under communicate on one side.
In the ST1 step, check the query processing that whether has taken place specific handset.As not taking place, then begin the following backstage inquiry of ST2 step.As taking place, then carry out ST10 following query processing of step.
In the ST2 step, selection sent the next handset (handset is determined order by a kind of meaning) of the handset of query requests last time, sent query requests to this handset.In the reception of ST3 step wait acknowledge or the generation of fault.At this, so-called fault is meant the notice (disconnection of the DTR line of RS-232C etc.) of clearly fault of expression that (a) comes from communication line or (b) process of the time-out time of rules in advance.If receive and reply, then turn back to the ST1 step.If break down, then after ST4 step implementation " troubleshooting ", turn back to the ST1 step.
If beginning query processing, then repetition ST10 step, ST11 step and ST12 step before it finishes.After the ST10 step has sent request msg, the same with the ST3 step, in the reception of ST11 step wait acknowledge or the generation of fault.If receive and reply, then enter the ST12 step, if communication does not finish, then turn back to the ST10 step; If communication finishes, then turn back to the ST1 step.
In the ST11 step, if break down, then in ST15 step implementation " troubleshooting ", if the result who carries out in ST16 step process ends query processing, so, turn back to the ST10 step of its continuation of reply, if end, so, just make its termination, turn back to the ST1 step.
Fig. 5 is the flow chart of the action of expression process " troubleshooting ", is in host B 20 (host A 10) under the stand-by state has each communication line of record (communication line A11 and communication line B12) respectively to every estrade machine 1A30-1～handset nA30-n, handset 1B40-1～handset nB40-n the mark of state (" normally " or " unusually ").The initial value of mark is " normally ".In case this handset.Communication line breaks down, and just mark is decided to be " unusually ".If this handset.Communication line normally communicates (receive from handset and reply), so, just mark is decided to be " normally ".
If beginning " troubleshooting " process then in ST20 step, is checked the communication line that comprises current fault, to all communication lines of this handset whether " unusually ".If the communication line of " normally " so just switches on this communication line in the ST21 step, finish this process.If all be " unusually ", so just enter the ST22 step.
In the ST22 step, check and whether can utilize this communication line to come to communicate (, then being judged as the fault of this handset) if can communicate with other handsets with other handsets.If in the mark to other handsets of same communication line, even one " normally " arranged, also enter the ST23 step, end as query processing, finish this process.Otherwise, enter the ST24 step.
Arrive ST24 during the step, 1. being in the fault of the host A 10 (host B 20) under the operating condition, the 2. fault of this submachine (comprising the situation of carrying out dualization switching), 3. whole fault of communication lines (communication line A11 and communication line B12), all might be the fault reason.1. or the dual makeup that should carry out main frame under the situation 3. put (host A 10 and host B 20) and switch and (host A 10 (host B 20) that is under the operating condition is set to stand-by state; The host B 20 (host A 10) that is under the stand-by state is set to operating condition), 3. might be the connector fault of main frame).Under situation 2., do not carry out main frame and switch, should end query processing this handset.
In the present invention, this handset is carried out process before ST24 step continuously, certain number of times that judged whether repetition, 2. whether failure cause be.Repeating before certain number of times, being judged as failure cause 2. is, ends query processing in the ST25 step, finishes this process.The switching that (handset 1A30-1～handset nA30-n and handset 1B40-1～handset nB40-n) put in the dual makeup of handset needs the regular hour, set certain number of times in the ST24 step, it is long to make the process of continuous repetition ST24 before the step reach the needed time of switching that the dual makeup of the needed time ratio handset of certain number of times puts, like this, can prevent the useless switching of the so-called main frame that no matter whether failure cause is the handset fault all switches main frame.
Under the situation of after ST24 step repeats certain number of times continuously, still not restarting to communicate by letter, be judged as failure cause and be 1. or 3., carry out main frame and switch (ST26 step).
According to having 2 communication lines the 1st embodiment is illustrated in the above description.But also can have the communication line more than 3.And, be connected by communication line A11 (communication line B12) with handset 1A30-1～handset nA30-n and handset 1B40-1～handset nB40-n according to host A 10 (host B 20), this is illustrated, but also can be between host A 10 (host B 20) and many estrades machine, be provided with every estrade machine communication line independently, communicate concurrently to each handset from host A 10 (host B 20).
As mentioned above, the dual communicator of the telemonitoring of the 1st embodiment control usefulness has:
First communicator, it is by the 1st main frame (10) and the machine of estrade more than the 1st (30-1～30-N) constitute, (30-1～30-n) has the 1st circuit connector (11-1,31-1-1～31-n-1) and the 2nd circuit connector (11-2,31-1-2～31-n-2) respectively for the 1st main frame (10) and the machine of estrade more than the 1st
The 2nd communicator, it is by the 2nd main frame (20) and the machine of estrade more than the 2nd (40-1～40-n) constitute, (40-1～40-n) has the 1st circuit connector (21-1,41-1-1～41-n-1) and the 2nd circuit connector (21-2,41-1-2～41-n-2) respectively for the 2nd main frame (20) and the machine of estrade more than the 2nd
The 1st communication line (11), it is connected the 1st circuit connector of the 1st communicator, and (the 1st circuit connector of 11-1,31-1-1～31-N-1) and the 2nd communicator is (on 21-1, the 41-1-1～41-n-1);
The 2nd communication line (12), it is connected the 2nd circuit connector of the 1st communicator, and (the 2nd circuit connector of 11-2,31-1-2～31-n-2) and the 2nd communicator is (on 21-2, the 41-1-2～41-n-2); And
Has the other system monitor bus (13) that connects the 1st main frame (10) and the 2nd main frame (20), and the machine of estrade more than the 1st (30-1～30-n) and the machine of estrade more than the 2nd institute (a plurality of other system monitor bus that connect between the corresponding handset of 40-1～40-n) (14-1～14-n)
Whether the main frame that is in stand-by state in the 1st main frame (10) and the 2nd main frame (20) detects following handset and breaks down, this handset be meant and the 1st main frame (10) and the 2nd main frame (20) in be in the machine of estrade more than the 1st that communicates between the main frame of operating condition (30-1～30-n) and the machine of estrade more than the 2nd (handset (the ST3 step of Fig. 4, ST11 step) among the 40-1～40-n).
1. and be in the fault of the handset that communicates between the main frame of operating condition the reason of fault is divided into:; 2. the fault of the arbitrary circuit in the 1st communication line and the 2nd communication line; 3. be in the fault (the ST20 step of Fig. 5, ST22 step, ST24 step) of the main frame of operating condition;
Reason according to classified fault is handled, (the ST21 step of Fig. 5, ST23 step, ST25 step, ST26 step).
The dual communicator of the telemonitoring of the 1st embodiment control usefulness has following two kinds to the foundation that detects of fault: (a) notice of the electric cut-out of the electric cut-out of the 1st communication line (11) or the 2nd communication line (12); (b) and be in communicate between the main frame under the operating condition handset provided reply overtime,
The dual communicator of the telemonitoring control usefulness of the 1st embodiment, the detection method of its fault is:
1. and be in the fault of the handset that communicates between the main frame under the operating condition and 2. the fault simulation of the arbitrary circuit in the 1st communication line (11) and the 2nd communication line (12) have or not the residue communication line to be distinguished (the ST20 step of Fig. 5),
2. the fault of the arbitrary circuit in the 1st communication line (11) and the 2nd communication line (12) and the fault that 3. is in the main frame under the operating condition, according to whether communicating by letter (Fig. 5 ST22 step) with other handsets, and whether the state that can not communicate by letter with other handsets after breaking down has repeated certain number of times (the ST24 step of Fig. 5) continuously and has been distinguished.
The dual communicator of the telemonitoring control usefulness of the 1st embodiment is handled according to the reason of classified fault, and its method is respectively:
In failure cause is under the situation of the 1st communication line (11) and the 2nd communication line (12), switches, and makes the communication line that is in stand-by state in the 1st communication line (11) and the 2nd communication line (12) enter operating condition (the ST21 step of Fig. 5);
Failure cause be and be under the situation of the handset that communicates between the main frame under the operating condition, end to carry out with the handset of communicating by letter between query processing (the ST23 step of Fig. 5, ST25 go on foot);
In failure cause is to be under the situation of the main frame under the operating condition, switches, and makes the main frame that is under the stand-by state enter operating condition (the ST26 step of Fig. 5).
In the above description, the 1st embodiment is illustrated as the dual communicator of telemonitoring control usefulness, also can be realized the 1st embodiment as the dual communication means of telemonitoring control usefulness.
The dual communication means of the telemonitoring control usefulness of the 1st embodiment has following process:
Detect the fault relevant (the ST3 step of Fig. 4, ST11 step) when between the main frame under handset and the operating condition, communicating with handset;
Failure cause is divided into: 1. handset fault, 2. 3. the communication line fault is in the hostdown (the ST20 step of Fig. 5, ST22 step, ST24 step) under the operating condition;
Reason according to classified fault is handled (the ST21 step of Fig. 5, ST23 step, ST25 step, ST26 step) accordingly.
The dual communication means of the telemonitoring of the 1st embodiment control usefulness to the foundation that the generation of fault detects is: the notice of the electric cut-out of a communication line (11,12), b, and operating condition under main frame between the handset that communicates (replying of 30-1～30-n, 40-1～40-n) is overtime.
The dual communication means of the telemonitoring control usefulness of the 1st embodiment, the process that failure cause is classified has following two;
1. for the fault of handset and the fault of communication line, according to having or not the residue communication line to distinguish (the ST20 step of Fig. 5).
2. for the fault of communication line be in the fault of the main frame of operating condition, according to whether communicating by letter (Fig. 5 ST22 step) with other handsets, and whether the state that can not communicate by letter with other handsets after breaking down has repeated certain number of times (the ST24 step of Fig. 5) continuously and has distinguished (the ST22 step of Fig. 5, ST24 step).
The dual communication means of the telemonitoring control usefulness of the 1st embodiment, the process of handling according to failure cause is as follows:
In failure cause is under the situation of communication line, switches, and makes the communication line that is under the stand-by state enter operating condition (the ST21 step of Fig. 5);
In failure cause is under the situation of handset, the query processing between termination and the handset (the ST23 step of Fig. 5, ST25 step);
In failure cause is to be under the situation of main frame of operating condition, switches, and makes the main frame that is under the stand-by state enter operating condition (the ST26 step of Fig. 5).
As mentioned above, if according to the 1st embodiment, communicator and communication line are carried out standby redundancyization (dualization), failure cause is divided into: 1. handset fault, 2. communication line fault and 3. be in the fault of the main frame under the operating condition, obtainable effect is: even break down in one of communicator or communication line, also can carry out respective handling, thereby can proceed communication according to failure cause.
If according to the 1st embodiment, detecting out of order foundation is: (a) notice of the electric cut-out of communication line, and perhaps (b) and replying of being in that the handset that communicates between the main frame under the operating condition sends is overtime, so, its effect is promptly to detect fault; Transfer in order to proceed the processing that signal post needs.
If according to the 1st embodiment, fault and the fault that is in the main frame under the operating condition to communication line, according to whether communicating, and can not whether repeat certain number of times continuously with the state that other handsets communicate after breaking down and distinguish with other handsets.So its effect is can prevent under failure cause is the situation of handset main frame to be carried out useless switching.
If according to the 1st embodiment, be under the situation of communication line in failure cause, switch, make the communication line that is under the stand-by state enter operating condition; In failure cause is under the situation of handset, the query processing between termination and the handset; In failure cause is to be under the situation of the main frame under the operating condition, switches, and makes the main frame that is under the stand-by state enter operating condition, so its effect is to carry out correct switching (avoiding useless switching) according to failure cause, proceeds communication.
The effect of invention
As mentioned above, if according to the present invention, communicator and communication line are carried out standby redundancy Change (dual), failure cause be divided into: 1. the handset fault, 2. the communication line fault and 3. be in the fault of the main frame under the operating condition, obtainable effect is: at communicator or logical Break down in one of letter circuit, also can carry out respective handling according to failure cause, thus energy Proceed communication.
If according to the present invention, detect out of order foundation and be: (a) electric the cutting of communication line Disconnected notice, perhaps (b) and be in the handset that communicates between the main frame under the operating condition Send reply overtime, so its effect is promptly to detect fault; Shift To the processing that needs in order to proceed signal post.
If according to the present invention, to fault and the event that is in the main frame under the operating condition of communication line Barrier, according to whether communicating with other handsets, and after breaking down can not with other sons Whether the state that machine communicates has repeated certain number of times is continuously distinguished. So, Its effect is can prevent under failure cause is the situation of handset main frame being carried out useless switching.
If according to the present invention, be in the situation of communication line in failure cause, switch, make The communication line that is under the stand-by state enters operating condition; The situation of handset in failure cause Lower, the query processing between termination and the handset; The master who is under the operating condition in failure cause In the situation of machine, switch, make the main frame that is under the stand-by state enter operating condition, institute With, its effect is to carry out correct switching (avoiding useless switching) according to failure cause, Proceed communication.
Claims (5)
1. dual communication system is characterized in that comprising the communicator of 2 systems, and each communicator is made of main frame and many estrades machine and the communication line that is connected them,
Above-mentioned main frame and handset have the 1st and the 2nd circuit connector;
Above-mentioned communication line is to connect the above-mentioned the 1st and the 1st and the 2nd communication line of the 2nd circuit connector respectively;
Also comprise many other system monitor bus, connect each main frame of each system and each handset of each system's correspondence,
Communicator 1 system is in the work of operating condition, the main frame of another communicator monitors the operational situation of the communicator that is in operating condition in holding state, and by finding the electric cut-out of communication line, detect fault and take place, switching is dealt with fault corresponding to one of main frame, handset and circuit of fault when fault takes place.
2. dual communication system according to claim 1 is characterized in that supervision to above-mentioned operating condition is because of overtime the carrying out of replying between the main frame that is in operating condition and the estrade.
3. the fault countermeasure of the dual communication system of telemonitoring control usefulness, above-mentioned dual communication system comprises the communicator of 2 systems, each communicator is made of main frame and many estrades machine and the communication line that is connected them,
Above-mentioned main frame and handset have the 1st and the 2nd circuit connector;
Above-mentioned communication line is to connect the above-mentioned the 1st and the 1st and the 2nd communication line of the 2nd circuit connector respectively;
Also comprise many other system monitor bus, connect each main frame of each system and each handset of each system's correspondence,
This method is characterized in that:
Communicator 1 system is in the work of operating condition, and the main frame of another communicator has following process in holding state:
Foundation
(a) notice of the electric cut-out of above-mentioned communication line and
(b) and above-mentioned to be in replying of the handset that communicates between the main frame of operating condition overtime,
One of detect fault and take place;
According to having or not normal communication line, distinguish the fault of above-mentioned handset fault and communication line;
According to communicating with another handset or above-mentioned fault can not communicate with another handset after taking place and reaches certain number of times whether continuously repeatedly, distinguish the fault and the above-mentioned hostdown that is in operating condition of above-mentioned communication line;
When communication line cuts off, switch to normal communication line and tackle processing,
When main frame or handset fault, switch to the main frame of another corresponding system or handset and tackle processing.
4. the fault countermeasure of the dual communication system of telemonitoring control usefulness, above-mentioned dual communication system comprises the communicator of 2 systems, each communicator is made of main frame and many estrades machine and the communication line that is connected them,
Above-mentioned main frame and handset have the 1st and the 2nd circuit connector;
Above-mentioned communication line is to connect the above-mentioned the 1st and the 1st and the 2nd communication line of the 2nd circuit connector respectively;
Also comprise many other system monitor bus, connect each main frame of each system and each handset of each system's correspondence,
This method is characterized in that:
Communicator 1 system is in the work of operating condition, and the main frame of another communicator has following process in holding state:
Foundation
(c) notice of the electric cut-out of above-mentioned communication line and
(d) and above-mentioned to be in replying of the handset that communicates between the main frame of operating condition overtime,
One of detect fault and take place;
When above-mentioned failure cause is communication line, the above-mentioned communication line of holding state is switched to operating condition;
When above-mentioned failure cause was above-mentioned handset, the handset of another system that will be corresponding with above-mentioned handset changed into operating condition;
When above-mentioned failure cause was the above-mentioned main frame that is in operating condition, the main frame that will be in holding state switched to operating condition.
5. according to the fault countermeasure of claim 3 or 4 described dual communication systems, it is characterized in that above-mentioned communication system adopts the IEC60870-5-101 rules.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP115237/2002 | 2002-04-17 | ||
| JP2002115237A JP2003309887A (en) | 2002-04-17 | 2002-04-17 | Duplex communication apparatus and duplex communication method for remote monitoring control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1452330A CN1452330A (en) | 2003-10-29 |
| CN1224200C true CN1224200C (en) | 2005-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB021278717A Expired - Fee Related CN1224200C (en) | 2002-04-17 | 2002-08-13 | Double communication device and method for remote monitoring and controlling |
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| JP (1) | JP2003309887A (en) |
| CN (1) | CN1224200C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4679956B2 (en) * | 2005-05-02 | 2011-05-11 | 三菱電機株式会社 | Network failure determination method and network control method |
| CN101109951B (en) * | 2007-08-23 | 2012-07-11 | 济钢集团有限公司 | Transforming plant intelligent electronic equipment access system |
| CN103001720B (en) * | 2012-11-12 | 2017-05-10 | 中兴通讯股份有限公司 | Time synchronization method and device |
| CN103019146B (en) * | 2012-12-25 | 2014-12-03 | 国家电网公司 | Query method of state query system for control and protection mainframe of direct-current converter station |
| JP6238919B2 (en) * | 2015-02-06 | 2017-11-29 | 三菱電機株式会社 | Supervisory control system |
| KR101649813B1 (en) | 2015-02-11 | 2016-08-19 | 엘에스산전 주식회사 | Charging controlling device |
| CN105159276B (en) * | 2015-08-19 | 2019-02-12 | 中国航空工业集团公司西安飞机设计研究所 | A kind of air electronics ventilation controller detection method |
| JP6312948B2 (en) * | 2016-02-03 | 2018-04-18 | 三菱電機株式会社 | Control system and control unit |
| CN107070893A (en) * | 2016-12-09 | 2017-08-18 | 中国电子科技网络信息安全有限公司 | A kind of power distribution network terminal IEC101 protocol massages certification method of discrimination |
| JP7085387B2 (en) * | 2018-03-30 | 2022-06-16 | 東京都 | Information transmission method of monitoring control system, information transmission method of monitoring control system |
-
2002
- 2002-04-17 JP JP2002115237A patent/JP2003309887A/en active Pending
- 2002-08-13 CN CNB021278717A patent/CN1224200C/en not_active Expired - Fee Related
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| JP2003309887A (en) | 2003-10-31 |
| CN1452330A (en) | 2003-10-29 |
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