CN204256084U - A kind of PROFIBUS bus simple detection instrument - Google Patents
A kind of PROFIBUS bus simple detection instrument Download PDFInfo
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- CN204256084U CN204256084U CN201420605121.4U CN201420605121U CN204256084U CN 204256084 U CN204256084 U CN 204256084U CN 201420605121 U CN201420605121 U CN 201420605121U CN 204256084 U CN204256084 U CN 204256084U
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Abstract
The utility model discloses a kind of PROFIBUS bus simple detection instrument, this bus testing tool is made up of DB9 plug (1), the extraction electric wire (2) that is connected with 3,8 pins of DB9 plug (1).The utility model can effectively reduce the malfunction elimination time, ensures the stability of the PROFIBUS industrial field bus network operation.Whole testing tool designs succinctly in principle of work, reliable operation, circuit structure simple, make easily, and only need carry out simple training at the scene can grasp use, meets and produces actual requirement.
Description
Technical field
The utility model relates to PROFIBUS industrial field bus fault detect tool construction technical field.
Background technology
The utility model technology is widely used on PROFIBUS industrial field bus network, because on industrial field bus network, equipment sites is numerous, distributed areas are extensive, once the obstructed fault of multiple station network occurs, how in the multiple equipment sites broken down, to find trouble spot rapidly, race against time most important.This utility model can effectively reduce the malfunction elimination time, ensures the stability of the PROFIBUS industrial field bus network operation.Whole testing tool designs succinctly in principle of work, reliable operation, circuit structure simple, make easily, and only need carry out simple training at the scene can grasp use, meets and produces actual requirement.
Summary of the invention
The problem of trouble spot can not be found rapidly in multiple equipment sites when the purpose of this utility model is breaking down of solution prior art existence, a kind of PROFIBUS bus simple detection instrument is provided, can effectively reduce the malfunction elimination time, ensure the stability of the PROFIBUS industrial field bus network operation.
Problem to be solved in the utility model is achieved by the following technical solution.
A kind of PROFIBUS bus simple detection instrument, is made up of DB9 plug, the extraction electric wire that is connected with 3,8 pins of DB9 plug.
The beneficial effects of the utility model are:
(1) can effectively reduce the malfunction elimination time, ensure the stability of the PROFIBUS industrial field bus network operation;
(2) whole testing tool designs succinctly in principle of work, reliable operation, circuit structure are simple, make easily, and only need carry out simple training at the scene can grasp use, meets and produces actual requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of PROFIBUS DP joint.
Embodiment
Below in conjunction with accompanying drawing, content of the present utility model is described in further detail.
See Fig. 1, Fig. 2, a kind of PROFIBUS bus simple detection instrument, be made up of DB9 plug 1, the extraction electric wire 2 that is connected with 3,8 pins of DB9 plug 1.
As shown in Figure 2, when on PROFIBUS DP joint, terminal resistance selector switch is allocated to " ON ", A1 with B1 two ends are connected with terminal resistance, so can only meet A1 and B1 in the terminal of PROFIBUS DP network, otherwise can not connect terminal resistance.When terminal resistance selector switch is allocated to " OFF ", terminal resistance and data line disconnect, A1 and A2, B1 and B2 are connected, and string the equipment on PROFIBUS DP network.
Every day use has only used DB9(pin) 3 and 8 two pins of plug, judge the PROFIBUS DP network hardware connects whether normally first will ensure that data line is connected firmly, and the best method of detection measures the resistance between 3,8 pins exactly.If wiring is firm, the resistance so when switch is allocated to " ON " between 3,8 pins is 220 ohm, and when switch is allocated to " OFF ", resistance is for infinitely great.
The utility model technology is just based on an above principle DB9(hole) joint, at 3 of joint, 8 (namely in accompanying drawing 2 3., 8.) pin welds two wires and draws, and each strip off of the other end of electric wire is about 10mm, so that the test pencil head of accessible multimeter.
During use, two the end of a thread are directly accessed multimeter, use ohms range, DB9(hole by making) plug is inserted on a no-go sub of DP network, and all resistance switchs are all allocated to " OFF ", then from this terminal, successively switch is allocated to " ON ", observe multimeter reading, if be 220 ohm, then this equipment sites is normal, then switch is allocated to " OFF ", measures next equipment sites.If which equipment sites resistance is abnormal, this website joint has problem.
Claims (1)
1. a PROFIBUS bus simple detection instrument, is characterized in that, this testing tool is made up of DB9 plug (1), the extraction electric wire (2) that is connected with 3,8 pins of DB9 plug (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605121.4U CN204256084U (en) | 2014-10-20 | 2014-10-20 | A kind of PROFIBUS bus simple detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605121.4U CN204256084U (en) | 2014-10-20 | 2014-10-20 | A kind of PROFIBUS bus simple detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204256084U true CN204256084U (en) | 2015-04-08 |
Family
ID=52960377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420605121.4U Active CN204256084U (en) | 2014-10-20 | 2014-10-20 | A kind of PROFIBUS bus simple detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204256084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108337107A (en) * | 2017-12-25 | 2018-07-27 | 南京钢铁股份有限公司 | A kind of Profibus-DP Network System Malefunction Diagnosis method |
-
2014
- 2014-10-20 CN CN201420605121.4U patent/CN204256084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108337107A (en) * | 2017-12-25 | 2018-07-27 | 南京钢铁股份有限公司 | A kind of Profibus-DP Network System Malefunction Diagnosis method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |