CN104834257B - PROFIBUS-DP apparatus for network node communication cable terminations - Google Patents
PROFIBUS-DP apparatus for network node communication cable terminations Download PDFInfo
- Publication number
- CN104834257B CN104834257B CN201510244159.2A CN201510244159A CN104834257B CN 104834257 B CN104834257 B CN 104834257B CN 201510244159 A CN201510244159 A CN 201510244159A CN 104834257 B CN104834257 B CN 104834257B
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- China
- Prior art keywords
- network node
- communication cable
- lines
- dip
- profibus
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25033—Pc structure of the system structure, control, syncronization, data, alarm, connect I-O line to interface
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Structure Of Telephone Exchanges (AREA)
Abstract
The invention discloses a kind of PROFIBUS DP apparatus for network node communication cable terminations, including DP lines input interface, DP lines output interface, DP apparatus for network node interface, dip-switch package and circuit board;DP lines input interface, DP lines output interface, DP apparatus for network node interface and dip-switch package welding are on circuit boards;DP lines input interface and DP line output interfaces are all made of five mouthfuls of connecting terminals, and DP apparatus for network node interfaces use seven mouthfuls of connecting terminals, dip-switch package to be made of two six toggle switch.It is the configuration of the present invention is simple, at low cost, it is easy to operate, it is combined by the dial-up of dip-switch package to cut off or access some PROFIBUS DP apparatus for network node, it can quickly search, cut off malfunctioning node, fault handling time is shortened, labor intensity is reduced, it is ensured that the normal communication of entire DP network systems, equipment operation rate is improved, economic loss is reduced.
Description
Technical field
The present invention relates to field bus technique field, specifically a kind of PROFIBUS-DP apparatus for network node communication cable
Termination.
Background technology
PROFIBUS_DP network systems have the characteristics that high speed low cost, for device level control system and distributing I/O
Communication, be suitable for the application of automation control area.PROFIBUS_DP network systems allow to constitute single main website or more systems of main website
System, can at most connect 126 websites on same bus.In field of industrial automation control, in DP networks it is many from
It stands and is all made of sensor, such as DP bus type encoders, DP bus type magneto strictive sensors, DP bus type temperature measurers etc.
Deng.These slave stations and main website constitute automatic controlling network.
In practical applications, it is limited by objective condition, the working environment of these slave station equipments is more severe, such as high temperature, height
Humidity, strong motion, dusty etc..What exactly these reasons led to DP bus type sensor internal circuit boards burns damage, often
The damage of mono- sensor of Chang Yinwei influences the normal communication of all devices in whole bus.In malfunctioning node troubleshooting procedure
In, it is necessary first to the power cord of suspected malfunctions node device, two DP communication lines are removed, two DP that will be removed then are needed
Communication line is to connecting, so that it is guaranteed that suspected malfunctions node device completely disengages out DP networks.However in physical fault investigation,
Suspected malfunctions node is more, and its, personnel more remote with installation site is not easy to reach and dismount the problems such as difficult.Exactly this
A little reasons cause the malfunction elimination time longer, seriously affect the normal communication of entire DP networks, cause huge economic loss.
Invention content
The purpose of the present invention is to provide a kind of PROFIBUS-DP apparatus for network node communication cable terminations, pass through
The dial-up of dip-switch package combines judges whether the communications status of PROFIBUS-DP apparatus for network node is normal to check, and
It can be combined by the dial-up of dip-switch package to cut off or access some PROFIBUS-DP apparatus for network node, and do not influenced
The normal communication of other PROFIBUS-DP apparatus for network node.
To achieve the above object, the present invention provides the following technical solutions:
PROFIBUS-DP apparatus for network node communication cable terminations, including the output of DP lines input interface, DP lines connect
Mouth, DP apparatus for network node interface, dip-switch package and circuit board;The DP lines input interface, DP lines output interface, DP nets
Network node device interface and dip-switch package welding are on circuit boards;
The DP lines input interface uses five mouthfuls of connecting terminals, is respectively connected to DC24V, 0V, the A lines of communication cable, communication
The B lines of cable, the shielding line of communication cable, wherein the A lines of communication cable, the B lines of communication cable and the shielding line of communication cable
For two core wires and its shielded layer, DC24V and 0V of same root communication cable scene PROFIBUS-DP network nodes are given as power supply
Equipment is powered;
The DP lines output interface uses five mouthfuls of connecting terminals, is respectively connected to DC24V, 0V, the A lines of communication cable, communication
The B lines of cable, the shielding line of communication cable, wherein the A lines of communication cable, the B lines of communication cable and the shielding line of communication cable
For two core wires and its shielded layer, DC24V and 0V of same root communication cable next stage PROFIBUS-DP network sections are given as power supply
Point device is powered;
The DP apparatus for network node interface uses seven mouthfuls of connecting terminals, is respectively connected to DC24V, 0V, inlet wire communication cable
A lines, the B lines of inlet wire communication cable, the A lines of outlet communication cable, the B lines of outlet communication cable, the shielding line of communication cable,
Wherein the B lines of the A lines of inlet wire communication cable and inlet wire communication cable are two core wires of same root communication cable, outlet communication cable
A lines and outlet communication cable B lines be same root communication cable two core wires, the shielding line of inlet wire communication cable and lead to
The shielding line of communication cable accesses a port of DP apparatus for network node interfaces, DC24V as the shielding line of communication cable simultaneously
It is powered to PROFIBUS-DP apparatus for network node as power supply with 0V;
The dip-switch package is made of two six toggle switch.
As a further solution of the present invention:The circuit board uses two-sided PCB printed circuit boards, and carries out double-sided copper-clad
Processing.
As a further solution of the present invention:The quantity of the DP apparatus for network node is four, is respectively labeled as DP nets
Network node device interface A, DP apparatus for network node interface B, DP apparatus for network node interface C and DP apparatus for network node interface D.
As a further solution of the present invention:The quantity of the dip-switch package is four, is respectively labeled as toggle switch
Group A, dip-switch package B, dip-switch package C and dip-switch package D.
The application method of the PROFIBUS-DP apparatus for network node communication cable terminations, includes the following steps:
1)The communication cable and 24V power cords and DP of the PROFIBUS-DP apparatus for network node of this physical region will be accessed
Line input interface is connected;
2)The communication cable and 24V power cords and DP of the PROFIBUS-DP apparatus for network node of this physical region will be picked out
Line output interface is connected;
3)By the 24V power cords of the PROFIBUS-DP apparatus for network node of this physical region, input communication cable and output
Communication cable is connected with any one group interface of DP apparatus for network node interfaces;
4)DP apparatus for network node interface is used cooperatively with dip-switch package, wherein DP apparatus for network node interface A and
Dip-switch package A is used cooperatively;DP apparatus for network node interface B and dip-switch package B are used cooperatively;DP apparatus for network node connects
Mouth C and dip-switch package C is used cooperatively;DP apparatus for network node interface D and dip-switch package D are used cooperatively, to PROFIBUS-
DP apparatus for network node is accessed, cuts off operation, to find out specific malfunctioning node equipment.
As a further solution of the present invention:The side that the DP apparatus for network node interface is used cooperatively with dip-switch package
Method is:When needing to access PROFIBUS-DP apparatus for network node, will be connect first with DP apparatus for network node in dip-switch package
The DIP device of the toggle switch of mouth connection is all allocated to top, then again by the dial-up of another toggle switch in dip-switch package
Device is all allocated to top, that is, completes the access work to the PROFIBUS-DP apparatus for network node;It is somebody's turn to do when needing to cut off
When PROFIBUS-DP apparatus for network node, the DIP device of another toggle switch in dip-switch package is all allocated to down first
The DIP device for the toggle switch being connect with DP apparatus for network node interfaces in dip-switch package, is then all allocated to down by side again
Side, that is, complete the excision work to the PROFIBUS-DP apparatus for network node.
Compared with prior art, the beneficial effects of the invention are as follows:It is the configuration of the present invention is simple, at low cost, it is easy to operate, pass through
The dial-up of dip-switch package combines judges whether the communications status of PROFIBUS-DP apparatus for network node is normal to check, and
It can be combined by the dial-up of dip-switch package to cut off or access some PROFIBUS-DP apparatus for network node, and do not influenced
The normal communication of other PROFIBUS-DP apparatus for network node;Using the present invention, plant maintenance personnel can quickly search, cut
Except malfunctioning node, it is effectively shortened fault handling time, reduces the labor intensity of plant maintenance personnel, and then is ensured entire
The normal communication of DP network systems, improves equipment operation rate, reduces economic loss.
Description of the drawings
Fig. 1 is a kind of structure principle chart of PROFIBUS-DP apparatus for network node communication cable termination;
In figure:1-DP lines input interface, 2-DP lines output interface, 3-DP apparatus for network node interface A, 4- dip-switch packages
A, 5-DP apparatus for network node interface B, 6- dip-switch packages B, 7-DP apparatus for network node interface C, 8- dip-switch package C, 9-
DP apparatus for network node interface D, 10- dip-switch packages D.
Specific implementation mode
Below in conjunction with the embodiment of the present invention and attached drawing, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention, PROFIBUS-DP apparatus for network node communication cable terminations, including
DP lines input interface 1, DP lines output interface 2, DP apparatus for network node interface, dip-switch package and circuit board;DP lines input
Interface 1, DP lines output interface 2, DP apparatus for network node interface and dip-switch package welding are on circuit boards;Circuit board is using double
Face PCB printed circuit boards, and double-sided copper-clad processing is carried out, to increase its anti-interference;
The DP lines input interface 1 uses five mouthfuls of connecting terminals, is respectively connected to DC24V, 0V, the A lines of communication cable, communication
The B lines of cable, the shielding line of communication cable, wherein the A lines of communication cable, the B lines of communication cable and the shielding line of communication cable
For two core wires and its shielded layer of same root communication cable, in addition DC24V and 0V as power supply to scene PROFIBUS-DP networks
Node device is powered, if scene PROFIBUS-DP apparatus for network node is independent current source, DC24V and 0V can be hanging
It does not connect;
The DP lines output interface 2 uses five mouthfuls of connecting terminals, is respectively connected to DC24V, 0V, the A lines of communication cable, communication
The B lines of cable, the shielding line of communication cable, wherein the A lines of communication cable, the B lines of communication cable and the shielding line of communication cable
For same root communication cable two core wires and its shielded layer, in addition DC24V and 0V give next stage PROFIBUS-DP nets as power supply
Network node device is powered, if next stage PROFIBUS-DP apparatus for network node is independent current source, DC24V and 0V can be with
It does not connect vacantly;
The quantity of DP apparatus for network node interfaces is four, is respectively labeled as DP apparatus for network node interface A3, DP networks
Node device interface B5, DP apparatus for network node interface C7 and DP apparatus for network node interface D9, each DP apparatus for network node
Interface uses seven mouthfuls of connecting terminals, is respectively connected to DC24V, 0V, the A lines of inlet wire communication cable, and the B lines of inlet wire communication cable go out
The A lines of line communication cable, the B lines of outlet communication cable, the shielding line of communication cable, wherein the A lines of inlet wire communication cable and into
The B lines of line communication cable are two core wires of same root communication cable, the A lines of outlet communication cable and the B lines of outlet communication cable
For two core wires of same root communication cable, the shielding line of inlet wire communication cable and there is the shielding line of communication cable simultaneously as leading to
The a port of the shielding line access DP apparatus for network node interfaces of communication cable, DC24V and 0V are as power supply to PROFIBUS-DP
Apparatus for network node is powered, if PROFIBUS-DP apparatus for network node is independent current source, DC24V and 0V can be hanging
It does not connect;
The quantity of dip-switch package is four, is respectively labeled as dip-switch package A4, dip-switch package B6, dip-switch package
C8 and dip-switch package D10;Each dip-switch package is made of two six toggle switch respectively.
The application method of the PROFIBUS-DP apparatus for network node communication cable termination, the specific steps are:
1)The communication cable and 24V power cords and DP of the PROFIBUS-DP apparatus for network node of this physical region will be accessed
Line input interface 1 is connected;
2)The communication cable and 24V power cords and DP of the PROFIBUS-DP apparatus for network node of this physical region will be picked out
Line output interface 2 is connected;
3)By the 24V power cords of the PROFIBUS-DP apparatus for network node of this physical region, input communication cable and output
Communication cable and DP apparatus for network node interface A3, DP apparatus for network node interface B5, DP apparatus for network node interfaces C7 and DP
Any one group interface in apparatus for network node interface D9 is connected, and can at most connect four PROFIBUS-DP network nodes and set
It is standby;
4)DP apparatus for network node interface is used cooperatively with dip-switch package, wherein DP apparatus for network node interface A3 and
Dip-switch package A4 is used cooperatively;DP apparatus for network node interface B5 and dip-switch package B6 are used cooperatively;DP network nodes are set
Standby interface C7 and dip-switch package C8 is used cooperatively;DP apparatus for network node interface D9 and dip-switch package D10 are used cooperatively, with
Upper four groups of application methods are identical, therefore are only illustrated herein to the application method of one of which.
It is illustrated below with being used cooperatively for DP apparatus for network node interface A3 and dip-switch package A4:
When needing to access the PROFIBUS-DP apparatus for network node, first by dip-switch package A4 with DP network sections
The DIP device of the toggle switch of point device interface A3 connections is all allocated to top, then again by another group in dip-switch package A4
The DIP device of code switch is all allocated to top, you can completes the access work to the PROFIBUS-DP apparatus for network node.
When needing to cut off the PROFIBUS-DP apparatus for network node, first by another dial-up in dip-switch package A4
The DIP device of switch is all allocated to lower section, is then dialled again by what is connect with DP apparatus for network node interfaces A3 in dip-switch package A4
The DIP device of code switch is all allocated to lower section, you can completes the excision work to the PROFIBUS-DP apparatus for network node.
It, only need to be according to PROFIBUS-DP networks when needing to search the suspected malfunctions node device of the physical region
The cut-in method and cutting method of node device carry out accessing or cutting off operation accordingly, you can specifically where rapidly find out
A PROFIBUS-DP apparatus for network node leads to entire PROFIBUS-DP network paralysis.
It is the configuration of the present invention is simple, at low cost, it is easy to operate, it is combined by the dial-up of dip-switch package and is judged to check
Whether the communications status of PROFIBUS-DP apparatus for network node normal, and can by the dial-up of dip-switch package combine come
Some PROFIBUS-DP apparatus for network node is cut off or accessed, and does not influence other PROFIBUS-DP apparatus for network node just
Normal open is believed;Using the present invention, plant maintenance personnel can quickly search, cut off malfunctioning node, be effectively shortened troubleshooting
Time, the labor intensity of plant maintenance personnel is reduced, and then ensure the normal communication of entire DP network systems, improves equipment
Operating rate reduces economic loss.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (4)
1.PROFIBUS-DP apparatus for network node communication cable terminations, which is characterized in that including DP lines input interface, DP
Line output interface, DP apparatus for network node interface, dip-switch package and circuit board;The DP lines input interface, the output of DP lines
Interface, DP apparatus for network node interface and dip-switch package welding are on circuit boards;
The DP lines input interface uses five mouthfuls of connecting terminals, is respectively connected to DC24V, 0V, the A lines of communication cable, communication cable
B lines, the shielding line of communication cable, wherein the A lines of communication cable, the B lines of communication cable and the shielding line of communication cable are same
Two core wires and its shielded layer, DC24V and 0V of a piece communication cable give scene PROFIBUS-DP apparatus for network node as power supply
It is powered;
The DP lines output interface uses five mouthfuls of connecting terminals, is respectively connected to DC24V, 0V, the A lines of communication cable, communication cable
B lines, the shielding line of communication cable, wherein the A lines of communication cable, the B lines of communication cable and the shielding line of communication cable are same
Two core wires and its shielded layer, DC24V and 0V of a piece communication cable are set as power supply to next stage PROFIBUS-DP network nodes
It is standby to be powered;
The DP apparatus for network node interface uses seven mouthfuls of connecting terminals, is respectively connected to DC24V, 0V, the A of inlet wire communication cable
Line, the B lines of inlet wire communication cable, the A lines of outlet communication cable, the B lines of outlet communication cable, the shielding line of communication cable,
The A lines of middle inlet wire communication cable and two core wires that the B lines of inlet wire communication cable are same root communication cable, outlet communication cable
The B lines of A lines and outlet communication cable are two core wires of same root communication cable, the shielding line of inlet wire communication cable and are communicated
The shielding line of the cable a port as the shielding line of communication cable access DP apparatus for network node interfaces simultaneously, DC24V with
0V is powered as power supply to PROFIBUS-DP apparatus for network node;
The dip-switch package is made of two six toggle switch;
The circuit board uses two-sided PCB printed circuit boards, and carries out double-sided copper-clad processing;
The quantity of the DP apparatus for network node is four, is respectively labeled as DP apparatus for network node interface A, DP network nodes and sets
Standby interface B, DP apparatus for network node interface C and DP apparatus for network node interface D.
2. PROFIBUS-DP apparatus for network node communication cable termination according to claim 1, which is characterized in that
The quantity of the dip-switch package is four, is respectively labeled as dip-switch package A, dip-switch package B, dip-switch package C and dials
Code switch group D.
3. a kind of application method of PROFIBUS-DP apparatus for network node communication cable termination as claimed in claim 2,
It is characterized by comprising the following steps:
1) will access the PROFIBUS-DP apparatus for network node of this physical region communication cable and 24V power cords and DP lines it is defeated
Incoming interface is connected;
2) will pick out the PROFIBUS-DP apparatus for network node of this physical region communication cable and 24V power cords and DP lines it is defeated
Outgoing interface is connected;
3) the 24V power cords of the PROFIBUS-DP apparatus for network node of this physical region, input communication cable and output are communicated
Cable is connected with any one group interface of DP apparatus for network node interfaces;
4) DP apparatus for network node interface is used cooperatively with dip-switch package, wherein DP apparatus for network node interface A and dial-up
Switching group A is used cooperatively;DP apparatus for network node interface B and dip-switch package B are used cooperatively;DP apparatus for network node interfaces C
It is used cooperatively with dip-switch package C;DP apparatus for network node interface D and dip-switch package D are used cooperatively, to PROFIBUS-DP
Apparatus for network node is accessed, cuts off operation, to find out specific malfunctioning node equipment.
4. the application method of PROFIBUS-DP apparatus for network node communication cable termination according to claim 3,
It is characterized in that, the DP apparatus for network node interface is with the method that dip-switch package is used cooperatively:When needing to access
When PROFIBUS-DP apparatus for network node, the dial-up being connect with DP apparatus for network node interfaces in dip-switch package is opened first
The DIP device of pass is all allocated to top, is then again all allocated to the DIP device of another toggle switch in dip-switch package
Side, that is, complete the access work to the PROFIBUS-DP apparatus for network node;When needing to cut off the PROFIBUS-DP network sections
When point device, the DIP device of another toggle switch in dip-switch package is all allocated to lower section first, then again opens dial-up
The DIP device for the toggle switch that Guan Zuzhong is connect with DP apparatus for network node interfaces is all allocated to lower section, that is, completes to this
The excision work of PROFIBUS-DP apparatus for network node.
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CN201510244159.2A CN104834257B (en) | 2015-05-13 | 2015-05-13 | PROFIBUS-DP apparatus for network node communication cable terminations |
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CN104834257B true CN104834257B (en) | 2018-08-28 |
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CN106533843B (en) * | 2016-12-23 | 2018-08-07 | 江苏中利电子信息科技有限公司 | The detection platform of intelligent ad hoc network data terminal communication base station |
CN108234218A (en) * | 2018-01-23 | 2018-06-29 | 华尔达(厦门)塑胶有限公司 | A kind of intelligent network connection and extended method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20104387U1 (en) * | 2001-03-14 | 2001-06-13 | Siemens AG, 80333 München | Wastewater treatment plant automation system |
CN201651728U (en) * | 2009-12-22 | 2010-11-24 | 中冶南方工程技术有限公司 | Bus intelligent grease lubricating device |
CN103780466A (en) * | 2014-01-23 | 2014-05-07 | 唐山天舟自动化设备有限公司 | Remote station based on PROFIBUS protocol and PROFIBUS-DP communication system with remote station |
CN204086924U (en) * | 2014-10-13 | 2015-01-07 | 成都瑞联电气股份有限公司 | The programmable relay module of a kind of control channel |
CN204595533U (en) * | 2015-05-13 | 2015-08-26 | 邯郸新兴特种管材有限公司 | PROFIBUS-DP apparatus for network node telecommunication cable termination |
-
2015
- 2015-05-13 CN CN201510244159.2A patent/CN104834257B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20104387U1 (en) * | 2001-03-14 | 2001-06-13 | Siemens AG, 80333 München | Wastewater treatment plant automation system |
CN201651728U (en) * | 2009-12-22 | 2010-11-24 | 中冶南方工程技术有限公司 | Bus intelligent grease lubricating device |
CN103780466A (en) * | 2014-01-23 | 2014-05-07 | 唐山天舟自动化设备有限公司 | Remote station based on PROFIBUS protocol and PROFIBUS-DP communication system with remote station |
CN204086924U (en) * | 2014-10-13 | 2015-01-07 | 成都瑞联电气股份有限公司 | The programmable relay module of a kind of control channel |
CN204595533U (en) * | 2015-05-13 | 2015-08-26 | 邯郸新兴特种管材有限公司 | PROFIBUS-DP apparatus for network node telecommunication cable termination |
Non-Patent Citations (1)
Title |
---|
《PROFIBUS技术简介》;中国机电一体化技术应用协会现场总线专业委员会;《百度文库》;20101101;正文第42页 * |
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