CN205453737U - Industrial ethernet bus device - Google Patents
Industrial ethernet bus device Download PDFInfo
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- CN205453737U CN205453737U CN201620237075.6U CN201620237075U CN205453737U CN 205453737 U CN205453737 U CN 205453737U CN 201620237075 U CN201620237075 U CN 201620237075U CN 205453737 U CN205453737 U CN 205453737U
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Abstract
The utility model discloses an industrial ethernet bus device, including mode -selection module, nucleus module, detection module, display module, input interface and output interface, the input interface is used for accepting outside feedback signal and erupts simultaneously and give the nucleus module, mode -selection module is used for accepting the outside control signal mode selected signal that erupts simultaneously out, the nucleus module is used for sending ethernet bus equipment signal to detection module or output interface, simultaneously according to feedback signal, will detect signal transmission and give the display module, the detection module basis ethernet bus equipment signal sends feedback signal, the display module be used for with it gives outsidely to detect signal display. Through the utility model discloses, need not to link to each other bus device with other bus device, can realizing bus device's measuring, easy operation has simplified bus device's production procedure, has lightened production operating personnel's work load.
Description
Technical field
This utility model belongs to fields of numeric control technique, more particularly, to a kind of EPA bus apparatus.
Background technology
Bus apparatus paster, welded after, this bus apparatus need to be detected, with guarantee equipment after dispatching from the factory working properly.In the prior art: when the bus apparatus of required detection is slave station, then use a main website having determined that bus is working properly, connect required detected slave station, when observing that the flicker of output bus display lamp is normal, then judge that bus is working properly.Otherwise, when detecting main website bus apparatus, then it is to connect a slave station having determined that bus is working properly, connects required detected main website, after master device enters system interface, flash by observing output bus display lamp, then judge that bus is working properly.But the method not only needs the collaborative work of master device, master device enters application software system interface and also needs to expend certain time, operates the most loaded down with trivial details, is unfavorable for producing in enormous quantities.
FPGA (Field-ProgrammableGateArray), i.e. Programmable Logic Controller, have a wide range of applications in ethernet device, by the compiling to chip, it is possible to achieve several functions, as sent message, Message processing etc..Generally in industry ethernet equipment, be integrated with Programmable Logic Controller, this Programmable Logic Controller have in industry ethernet equipment addressing, arbitrate, control, send, the function such as reception.But its function is not effectively obtained utilization.
Utility model content
For disadvantages described above or the Improvement requirement of prior art, this utility model provides a kind of EPA bus apparatus, arranges detection module, thus directly detection bus apparatus is the most normal in EPA bus apparatus.
For achieving the above object, according to an aspect of the present utility model, it is provided that a kind of EPA bus apparatus, including mode selection module, nucleus module, detection module, display module, input interface and output interface；
The outfan of described input interface connects the first input end of described nucleus module, for accepting the feedback signal of outside and being sent to nucleus module；
The outfan of described mode selection module connects the second input of described nucleus module, selects signal for accepting the concurrent exit pattern of control signal of outside；
First outfan of described nucleus module connects the input of described detection module, and the second outfan connects the first input end of described output interface, and the 3rd outfan connects described display module；Detection signal, for according to mode select signal, sending industry ethernet device signal to detection module or output interface, simultaneously according to feedback signal, is sent to display module by described nucleus module；
The outfan of described detection module connects the second input of described output interface, according to described industry ethernet device signal, sends feedback signal；
Described display module is for being shown to outside by described detection signal.
Preferably, in the front end of described input interface and the rear end of described input port, it is additionally provided with modular converter, is used for converting digital signals into analogue signal, or converts analog signals into digital signal.
As it is further preferred that between described input interface and described modular converter, and between described output interface and described modular converter, it is additionally provided with network transformer, for eliminating the interference of external signal.
Preferably, described EPA bus type is NCUC, EtherCAT, ProfiNET, PowerLINK, Ethernet/IP or Modbus/TCP.
According to another aspect of the present utility model, also disclose the self-sensing method of a kind of above-mentioned bus apparatus, comprise the following steps:
S1. described input interface and output interface are connected；
Control signal outside the acceptance of the most described mode selection module, and send mode select signal to described nucleus module；
The most described nucleus module, according to mode select signal, sends industry ethernet device signal to detection module；
The most described detection module is according to described industry ethernet device signal, and sends feedback signal to described output interface；
The most described feedback signal is sent to nucleus module by output interface and input interface；
Detection signal, according to feedback signal, is sent to display module by the most described nucleus module；
Described detection signal is shown to outside by the most described display module, it is thus achieved that testing result.
In general, by the contemplated above technical scheme of this utility model compared with prior art, have the advantages that
1, detection module is set in industry ethernet equipment, feedback signal can be provided according to the industry ethernet device signal that nucleus module sends；And accept outside control signal by mode selection module, from the display module portion of directing out display testing result, it is possible to go out bus apparatus the most normal for fast decision easily；
2, without bus apparatus is connected with other bus apparatus, the detection of bus apparatus can be realized, simple to operate, simplify the production procedure of bus apparatus, the most in use it is also easier to find the fault of bus apparatus, alleviates the workload of production operation personnel.
Accompanying drawing explanation
Fig. 1 is this utility model EPA bus apparatus structural representation；
Fig. 2 is this utility model embodiment 1 EPA bus apparatus structural representation；
Fig. 3 is this utility model embodiment 1 mode selection module operation principle schematic diagram.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.As long as just can be mutually combined additionally, technical characteristic involved in each embodiment of this utility model disclosed below does not constitutes conflict each other.
This utility model provides a kind of EPA bus apparatus, including mode selection module, nucleus module, detection module, display module, input interface and output interface；
The outfan of described input interface connects the first input end of described nucleus module, for accepting the feedback signal of outside and being sent to nucleus module；
The outfan of described mode selection module connects the second input of described nucleus module, selects signal for accepting the concurrent exit pattern of control signal of outside；
First outfan of described nucleus module connects the input of described detection module, and the second outfan connects the first input end of described output interface, and the 3rd outfan connects described display module；Detection signal, for according to mode select signal, sending industry ethernet device signal to detection module or output interface, simultaneously according to feedback signal, is sent to display module by described nucleus module；
The outfan of described detection module connects the second input of described output interface, according to described industry ethernet device signal, sends feedback signal；
Described display module is for being shown to outside by described detection signal.
In the front end of described input interface and the rear end of described input port; it is further typically provided with modular converter and network transformer; modular converter generally uses PHY chip; for converting digital signals into analogue signal; or converting analog signals into digital signal, network transformer, then for eliminating the interference of external signal, is possible not only to strengthen the antinoise signal interference performance of industry ethernet equipment; can be with enhancing signal so that it is transmission range is farther.
Owing to the agreement of EPA bus changes relatively big, this nucleus module and detection module are generally disposed on Programmable Logic Controller, improve protocol procedure therein, to adapt to the bus of various agreement.For master device, detection module is a virtual slave station, and for slave station equipment, this detection module is a virtual main website, feedback signal is the master station signal with corresponding frame head or slave station signal, and nucleus module obtains for reflecting the detection signal that industry ethernet equipment is the most working properly further according to feedback signal.
This EPA bus apparatus can be used for any EPA, such as NCUC, EtherCAT, ProfiNET, PowerLINK, Ethernet/IP or Modbus/TCP etc..
Above-mentioned bus apparatus carries out self-sensing method, comprises the following steps:
S1. described input interface and output interface are connected by EPA bus；
Control signal outside the acceptance of the most described mode selection module, and send mode select signal to described nucleus module；
The most described nucleus module, according to mode select signal, sends industry ethernet device signal to detection module；
The most described detection module is according to described industry ethernet device signal, and sends feedback signal to described output interface；
The most described feedback signal is sent to nucleus module by output interface and input interface；
Detection signal, according to feedback signal, is sent to display module by the most described nucleus module；
Described detection signal is shown to outside by the most described display module, it is thus achieved that testing result.
Said process is the signal flow when EPA bus is working properly; and when the connection of EPA bus operation irregularity or centre goes wrong; S2-S7 necessarily there is a step cannot connect; then display module cannot obtain detection signal working properly; according to this situation, staff can know that EPA equipment goes wrong, overhaul it.
When testing result is good, when can come into operation, then input interface can connect upstream equipment, output interface connects upstream device, makes industry ethernet equipment perform normal function.
Embodiment 1
Fig. 2 is the structural representation of a kind of Autonomous test NCUC bus apparatus, including Programmable Logic Controller, PHY chip 1, network transformer 1,1394 interface 1, NCUC bus, 1394 interfaces 2, network transformer 2, PHY chip 2, wire jumper and output.This Programmable Logic Controller has bus apparatus IPCORE originally, in order to realize self-checking function, is integrated with virtual main website IPCORE on this basis, and add mode selection module,
When, after device power, the mode select signal sent according to mode selection module judges to enter which kind of mode of operation.When received MODE_SEL signal is high level, then send detection signal, enter autosensing mode, when received MODE_SEL signal is low level, enter normal mode of operation, its idiographic flow as it is shown on figure 3, simultaneously when connecting 1394 interfaces 1 and 1394 interface 2 by NCUC bus, can enter autosensing mode:
Being embodied in: external schema selects port be adjusted to autosensing mode, external schema selects port to send detection signal, and whole signal moves towards flow process and includes:
S1. by EN signal by mode selection module, the bus apparatus IPCORE in Programmable Logic Controller is passed to；
S2. EN signal is directly transmitted to virtual main website IPCOR by bus apparatus IPCORE；
S3. main website addressed data frame returns to bus apparatus IPCORE by PHY chip 1 → network transformer 1 → 1394 interface 1 → NCUC bus → 1394 interface 2 → network transformer, 2 → PHY chip 2；
S4. the testing result signal of feedback is exported to the display device such as LED or digital display tube by bus apparatus IPCORE, to show current state, thus obtains kind of a testing result for Autonomous test NCUC bus apparatus.
Simultaneously, when NCUC bus apparatus does not perform detection function, 1394 interfaces 1 can be connected upstream device, when 1394 interfaces 2 connect upstream equipment, and external schema selection port does not send when detecting signal, the feedback signal of upstream equipment can enter bus apparatus by 1394 interfaces 2, whole signal moves towards flow process and then needs not move through virtual main website IPCORE, particularly as follows: 1394 interface 2 → network transformer, 2 → PHY chip, 2 → bus apparatus IPCORE → PHY chip 1 → network transformer 1 → 1394 interface 1 → upstream device.
Those skilled in the art is easy to understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (4)
1. an EPA bus apparatus, it is characterised in that include mode selection module, nucleus module, detection module, display module, input interface and output interface；
The outfan of described input interface connects the first input end of described nucleus module, for accepting the feedback signal of outside and being sent to nucleus module；
The outfan of described mode selection module connects the second input of described nucleus module, selects signal for accepting the concurrent exit pattern of control signal of outside；
First outfan of described nucleus module connects the input of described detection module, and the second outfan connects the first input end of described output interface, and the 3rd outfan connects described display module；Detection signal, for according to mode select signal, sending industry ethernet device signal to detection module or output interface, simultaneously according to feedback signal, is sent to display module by described nucleus module；
The outfan of described detection module connects the second input of described output interface, according to described industry ethernet device signal, sends feedback signal；
Described display module is for being shown to outside by described detection signal.
2. EPA bus apparatus as claimed in claim 1, it is characterized in that, in the front end of described input interface and the rear end of described input port, be additionally provided with modular converter, for converting digital signals into analogue signal, or convert analog signals into digital signal.
3. EPA bus apparatus as claimed in claim 2, it is characterized in that, between described input interface and described modular converter, and between described output interface and described modular converter, it is additionally provided with network transformer, for eliminating the interference of external signal.
4. EPA bus apparatus as claimed in claim 1, it is characterised in that described EPA bus type is NCUC, EtherCAT, ProfiNET, PowerLINK, Ethernet/IP or Modbus/TCP.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620237075.6U CN205453737U (en) | 2016-03-25 | 2016-03-25 | Industrial ethernet bus device |
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| CN201620237075.6U CN205453737U (en) | 2016-03-25 | 2016-03-25 | Industrial ethernet bus device |
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| CN205453737U true CN205453737U (en) | 2016-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871654A (en) * | 2016-03-25 | 2016-08-17 | 武汉华中数控股份有限公司 | Industrial Ethernet bus device and self-detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871654A (en) * | 2016-03-25 | 2016-08-17 | 武汉华中数控股份有限公司 | Industrial Ethernet bus device and self-detection method |
| CN105871654B (en) * | 2016-03-25 | 2023-07-11 | 武汉华中数控股份有限公司 | Industrial Ethernet bus equipment and self-detection method thereof |
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