CN1096912A - The method and system of transferring status data - Google Patents
The method and system of transferring status data Download PDFInfo
- Publication number
- CN1096912A CN1096912A CN 93107537 CN93107537A CN1096912A CN 1096912 A CN1096912 A CN 1096912A CN 93107537 CN93107537 CN 93107537 CN 93107537 A CN93107537 A CN 93107537A CN 1096912 A CN1096912 A CN 1096912A
- Authority
- CN
- China
- Prior art keywords
- pulse
- state
- information
- point
- signalling channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Dc Digital Transmission (AREA)
Abstract
The invention discloses a kind of one or more method and systems that contain the state point of at least one information by a common signal channel transfer state information that allow, it is added to the common signal passage by a pulse generator with initial pulse and follow-up a plurality of information pulses, by each state point initial pulse and information pulse are detected, when finding that information pulse appearance order then produces triggering signal and encourages a switching device to make that pulse characteristic depends on this dot information position state on the passage putting, thereby realize that state information sends.Utilize method and system of the present invention, can reduce hardware cost and volume greatly, and need not any asynchronous transmission device and communication protocol.
Description
The present invention relates to data transferring technique, more particularly, relate to a kind of method and system that allows one or more state points by a common signal channel transfer state information.
In existing data communication system, to utilize a common signal passage to transmit information mutually if any a plurality of communication point, then require each communication point will set the asynchronous transmission device at least, and whole system must unified submit to rather complicated communication protocol, therefore need considerable hardware, system cost is difficult to for the user accepts, and the hardware volume can't be held by communication point.
The object of the present invention is to provide a kind of method and system of transferring status data, utilize this method and system, neither need traditional asynchronous transmission device, also need not complicated communication protocol, and can allow one or more state points pass through common signal passage transferring status data each other.
The method of transferring status data of the present invention is used to make one or more state points that contain an information bit at least can pass through a common signal channel transfer state information, and the method includes the steps of:
With an initial pulse and follow a plurality of information pulses after this initial pulse to be added on the described signalling channel;
Detect the initial pulse on the described signalling channel;
As described in detect an initial pulse on the signalling channel, the identification appearance order of each pulse in a plurality of information pulses on described signalling channel thereafter then;
When the appearance order of an information pulse sends point corresponding to a state, a switching device that encourages described state to send on the point sends point with described pulse steering to described state, and the feature that this pulse is appeared on the described signalling channel depends on that described state sends the state information of point.
Method of the present invention also comprises following steps:
When the appearance order of an information pulse during, encourage a switching device on the described state acceptance point, thereby the pulse characteristics that detects on the described signalling channel receives the state information that sends point from described state corresponding to a state acceptance point.
Method of the present invention also has such feature:
When the appearance order of an information pulse sends point corresponding to a state, send the switching device of point along the described state of triggering in the front of this information pulse.
Method of the present invention also has such feature:
When the appearance of information pulse order sends point corresponding to a state, trigger the switching device that described state sends point at the back edge of the previous pulse of this information pulse.
The system of transferring status data of the present invention can be by common signal passage transferring status data each other between a plurality of points, and the every bit in described a plurality of points all joins with described signalling channel, and the system of transferring status data of the present invention includes:
Pulse generator, this pulse generator is connected with described signalling channel, is used to produce an initial pulse and follows a plurality of information pulses thereafter, and be added on the described signalling channel;
The triggering signal generating means is used for behind the initial pulse that detects on the described signalling channel, when identifying with a state point information corresponding pulse again, produces a triggering signal;
Switching device is used for according to the described state point of triggering signal switch of described triggering signal generating means generation and the signal path of described signalling channel;
Determination device, the state that is located at sends point, and the state information that is used for sending point according to described state determines pulse characteristic on the described signalling channel when described switching device is connected described state and sent the signal path of point and described signalling channel;
Arrangement for detecting is located in the described state acceptance point, is used for detecting the pulse characteristic on the described signalling channel when described switching device is connected the signal path of described state acceptance point and described signalling channel.
The system of transferring status data of the present invention, its feature also be, at a described information pulse during corresponding to a state point, the described triggering signal generating means of this state point produces a time and goes up the triggering signal of aliging with the edge, front of this information pulse.
The system of transferring status data of the present invention, its feature also is, at a described information pulse during corresponding to a state point, the described triggering signal generating means of this state point produces a time and goes up the triggering signal of aliging with the back edge of the previous pulse of this information pulse.
The corresponding relation of described information pulse and state point can be defined as the corresponding of pulse appearance order and state point numbering, also can define by other characteristic.
Pulse characteristic on described decision and the detection signal passage can be amplitude or other characteristic of pulse.
Implement the method and system of transferring status data of the present invention, have following effect: (1) facilities and equipments are simple, and volume is little, cost is low and it is easy to install; (2) pulse of the position information of Chuan Songing is not subjected to the restriction of wavelength and frequency, so stability more is not subject to components and parts and environmental impact, (3) can receive position information in the arbitrfary point of common signal passage, use flexibly, conveniently, (4) the pulse wavelength of traffic bit information and frequency can change arbitrarily within the specific limits, therefore are difficult for being copied; Information bits are only to some certain pulses reaction in the pulse train under (5) state points, so when signalling channel opens circuit, can come the suspected fault point by observing reacted pulse.
Below, with reference to the accompanying drawings, in conjunction with the embodiments, the invention will be further described, in the accompanying drawing:
Fig. 1 is the explanation schematic diagram that the position information of state point can be arrived the state information transfer system of a plurality of points via a common signal channel transfer of the present invention;
Fig. 2 is can be by the pulse train schematic diagram of 5 generations of pulse generator among Fig. 1;
Fig. 3 is for describing the sequential relationship schematic diagram that pulse generator 5 produces waveform and trigger generator generation impulse waveform;
Among Fig. 1, L1,3L, 4L, 6L, 7L etc. are logical circuit, are placed in state point 1,3,4,6,7 respectively, but state point 1,6,7 transmit status position information wherein, but state point 3,4,7 accepting state position information; W1, ... Wm, ... Wn is a switching device, they are subjected to the output signal of logical circuit 1L, 3L, 4L, 6L, 7L etc. whether to control conducting, state point 1 has C1, C2 among the figure ..., the position information of m such as Cm position, state point 6 only contains the position information of a position of Ck, and state point 7 also only contains the digit information of a position of Cn.These information reach state acceptance point 3,4, reach state point 7 via common signal passage 2.Pulse generator 5 with internal driving Zs is connected to common signal passage 2 to supply with initial pulse together and to follow at thereafter a plurality of information pulses to all state points.The switching device W1 of state point, W2 ..., Wn receives C1 through impedance component Z respectively, C2 ..., Cn.In actual applications, C1, C2 ..., Cn equipotential information can be represented with the open circuit of contact and state such as closed circuit, also can represent with the high level and the low level of voltage.Logical circuit 1L makes W1 only be in conducting state during first information pulse behind the initial pulse, make W2 only during second information pulse, be in conducting state, in like manner analogize, make Wm only during M information pulse, be in conducting state, and 6L and 7L make Wk and Wn be in conducting state respectively during K and n information pulse.Now making pulse generator and the peak pulse amplitude of being sent is As, the peak pulse amplitude that appears at common signal passage 2 is Ac, then when C1 is closed circuit contact or low level voltage, first information pulse is led impedance component Z by switching device W1, therefore it is Ac=(Z/Z+Zs) * As, and as C1 during for the contact of open circuit or the voltage of high level, the Ac=As of first information pulse, when should Cn being closed circuit characteristics or low level voltage, the Ac=(Z/Z+Zs of n information pulse) * As, and as Cn during for the voltage of the contact of open circuit or high level, n pulse Ac=As.In like manner analogize and can obtain, the 1st, the 2...n information pulse peak amplitude AC that appears at common signal passage 2 depends on C1, C2 respectively ... the state of Cn.On the other hand, the logical circuit 3L of the state point 3 of accessible information position makes switching device W1...Wm conducting during 1...m information pulse respectively, so detector D1...Dm can be respectively the 1st, a 2...m information pulse phase receives common signal passage 2, is low level (| Ac-ZAs/(Z+Zs) |＜threshold values) or high level (| Ac-As|＜threshold values) and can detect 1...m peak amplitude Ac that appears at common signal passage 2.Equally, the logical circuit 4L of state point 4 makes switching device Wn be in conducting state during n information pulse, and also just making detector Dn detect n peak amplitude that appears at the pulse of common signal passage 2 is high level or low level.On the other hand, the logical circuit 7L of state point 7 makes switching device Wk be in conducting state during k information pulse, also just makes detector Dk can detect K and appears at high level or the low level that common signal passage L has the peak value of pulse height.
Fig. 2 provides the oscillogram of pulse generator 5 pulse that produces among Fig. 1, and as seen from the figure, each pulse peak pulse duration initial pulse pulsewidth of the signal pulse series behind the initial pulse is less.
Fig. 3 (a) (b) outputs to the timing diagram of the signal waveform of switching device when each logical circuit 1L, 3L, 4L, 6L and 7L etc. detect pulse on the signalling channel 2 in (c) presentation graphs 1.Wherein Fig. 3 (a) presentation logic circuit signal waveform of outputing to switching device Wm originate in this m pulse front along and end at this pulse back edge; The signal waveform that Fig. 3 (b) presentation logic circuit outputs to switching device Wm originates in this edge, m pulse front and ends at edge, the next one (m+1) pulse front, and the signal waveform that Fig. 3 (c) presentation logic circuit outputs to switching device Wm originates in m-1 pulse back edge and ends at m pulse back edge.
Claims (7)
1, a kind ofly be used to make one or more state points that contains an information bit at least it is characterized in that comprising following steps by the method for a common signal channel transfer state information:
With an initial pulse and follow a plurality of information pulses after this initial pulse to be added on the described signalling channel;
Detect the initial pulse on the described signalling channel;
As described in detect an initial pulse on the signalling channel, the identification appearance order of each pulse in a plurality of information pulses on described signalling channel thereafter then;
When the appearance order of an information pulse sends point corresponding to a state, a switching device that encourages described state to send on the point sends point with described pulse steering to described state, and the feature that this pulse is appeared on the described signalling channel depends on that described state sends the state information of point.
2, method according to claim 1 is characterized in that also comprising following steps:
When the appearance order of an information pulse during corresponding to a state acceptance point, encourage a switching device on the described state acceptance point, guide described information pulse to a checkout gear, thereby receive the state information that sends point from described state with the pulse characteristics that detects on the described signalling channel.
3, method according to claim 1 is characterized in that, when the appearance order of an information pulse sends point corresponding to a state, in the front of this information pulse along triggering the switching device that described state sends point.
4, according to claim 1, it is characterized in that, when the appearance of information pulse order sends point corresponding to a state, trigger the switching device that institute's art state sends point at the back edge of the previous pulse of this information pulse.
5, a kind of status information transmission system that passes through common signal passage transferring status data between a plurality of state points, in described a plurality of point each all is connected with described signalling channel, each state point of described a plurality of points can receive or send state information, and described status information transmission system is characterised in that this system comprises:
Pulse generator, this pulse generator is connected with described signalling channel, is used to produce an initial pulse and follows a plurality of information pulses thereafter, and be added on the described signalling channel;
The triggering signal generating means is used for behind the initial pulse that detects on the described signalling channel, when identifying with a some information corresponding pulse again, produces a triggering signal;
Switching device is used for according to the described state point of triggering signal switch of described triggering signal generating means generation and the signal path of described signalling channel;
Determination device is located at state point, is used for state information according to described state point when described switching device is connected the signal path of described state point and described signalling channel, determines pulse characteristic on the described signalling channel;
Arrangement for detecting is located in the described state point, is used for detecting when described switching device is connected the signal path of described state point and described signalling channel the pulse characteristic on the described signalling channel.
6, status information transmission as claimed in claim 5 system is characterized in that, at a described information pulse during corresponding to a state point, on the described triggering signal generating means generation time with the front of this information pulse along the triggering signal of aliging.
7, status information transmission as claimed in claim 5 system, it is characterized in that, at a described information pulse during corresponding to a state point, the described triggering signal generating means of this state point produces a time and goes up the triggering signal of aliging with the back edge of the previous pulse of this information pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93107537 CN1096912A (en) | 1993-06-21 | 1993-06-21 | The method and system of transferring status data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93107537 CN1096912A (en) | 1993-06-21 | 1993-06-21 | The method and system of transferring status data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1096912A true CN1096912A (en) | 1994-12-28 |
Family
ID=4986752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93107537 Pending CN1096912A (en) | 1993-06-21 | 1993-06-21 | The method and system of transferring status data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1096912A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801843A (en) * | 2014-01-29 | 2015-07-29 | 发那科株式会社 | Spot welding system and robot used therefor |
-
1993
- 1993-06-21 CN CN 93107537 patent/CN1096912A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801843A (en) * | 2014-01-29 | 2015-07-29 | 发那科株式会社 | Spot welding system and robot used therefor |
| US9662739B2 (en) | 2014-01-29 | 2017-05-30 | Fanuc Corporation | Spot welding system for managing electrode inspection and robot used therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0216431B1 (en) | Generating addresses for circuit units | |
| US4723311A (en) | Method and apparatus for recognizing data collisions in an optical data bus | |
| AU608907B2 (en) | Method and apparatus for testing fiber optic hubs | |
| CN102914375A (en) | Device and method for counting photons | |
| EP0312671B1 (en) | Predictive clock recovery circuit | |
| EP0172236B1 (en) | Method and apparatus for detecting the collision of data packets | |
| CN1096912A (en) | The method and system of transferring status data | |
| US4121054A (en) | Regenerative line access module | |
| CA1122294A (en) | Power line signalling system | |
| US5043722A (en) | Detector for colliding signals in asynchronous communication | |
| CA1136227A (en) | Coaxial cable switching circuit | |
| CA2100341A1 (en) | High speed data detection and clock recovery in a received multi-level data signal | |
| US4616223A (en) | System of identifying local stations by a central interrogating station | |
| CN1252966C (en) | Network testing instrument | |
| JPS59127542A (en) | Method of detecting level of phase pulse signal | |
| JPH03107246A (en) | Violation detection circuit | |
| KR100203518B1 (en) | Multiplexing device for a vehicle | |
| SU1525922A1 (en) | Device for remote monitoring of intermediate stations of communication system | |
| SU1317666A1 (en) | Discrete signal receiver | |
| CA2013197A1 (en) | System and method for transferring status information between a plurality of status sites | |
| SU1681393A1 (en) | Device for reception of optical signals | |
| SU1390802A2 (en) | Device for receiving bipolar multilevel signals | |
| SU608186A1 (en) | Adaptive telemetering device | |
| SU1624676A1 (en) | Pulse selector | |
| SU1753612A1 (en) | Device for detection of signal of phase start |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |