CN210514977U - Encoder group control board based on printed board - Google Patents
Encoder group control board based on printed board Download PDFInfo
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- CN210514977U CN210514977U CN201921495256.9U CN201921495256U CN210514977U CN 210514977 U CN210514977 U CN 210514977U CN 201921495256 U CN201921495256 U CN 201921495256U CN 210514977 U CN210514977 U CN 210514977U
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- 238000004891 communication Methods 0.000 claims abstract description 73
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
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- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
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Abstract
The utility model discloses an encoder group control panel based on printing board, include: the PCB is provided with an encoder control interface used for being connected with an external differential type encoder group for measurement and a communication interface used for being connected with a motion controller or a terminal; the PCB is also provided with a plurality of encoder modules which are connected in series and are respectively connected with the encoder control interface; the encoder module is further connected with the communication interface through a communication coupler module connected in series with the encoder module. The utility model provides an encoder group control panel based on printing board, it can realize bus communication, external interface based on the connector interface that the PCB board provided, and a control panel and a plurality of encoders (encoder group promptly) realize communication, and the connector that the control panel provided simultaneously passes through on the PCB realizes the high-speed joint with outside differential input encoder, and the wiring quality is controllable, and the whole quality of engineering can promote by a wide margin, and then guarantees that the engineering progress is controllable.
Description
Technical Field
The utility model relates to a control panel that equipment status position acquireed. More particularly, the present invention relates to a printed board based encoder group control board with auxiliary functions for use with large scale motion control system device position acquisition situations.
Background
In the engineering implementation of a large-scale motion control system in the prior art, most of components are connected by wiring terminals, and further, wiring operation needs to be completed by combining manpower.
The disadvantage is that the construction of the whole large-scale motion system usually needs to acquire the position of the equipment to identify each equipment and control and switch the working state, so that a corresponding encoder needs to be arranged at the position of the equipment to code and identify the equipment, so that an additional wire needs to be added to the control system to complete the data transmission, while in the existing wiring mode, although part of the components are connected through a wiring terminal, because the number of the encoders is two or a new encoder needs to be added, the data wire connection of the encoders and the integration with the control module of the system encoder still need to be completed through the construction of workers, and the wiring quality of the workers (such as insufficient connection stability or wrong connection) is affected by human factors and field environment factors (too many equipment, too many cables) has great influence, so the general connection quality of the cables is uncontrollable, which directly influences the engineering quality of a large-scale control system, and the later period needs to check, adjust and modify the whole system, so that the construction efficiency of the whole engineering is low, and the engineering progress is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
The utility model discloses still another purpose provides an encoder group control panel based on printing board, it can realize bus communication, external interface based on the connector interface that the PCB board provided, and a control panel and a plurality of encoders (encoder group promptly) realize the communication, and the connector that the control panel provided simultaneously passes through on the PCB realizes the high-speed joint with outside difference input encoder, and the wiring quality is controllable, and the whole quality of engineering can promote by a wide margin, and then guarantees that the engineering progress is controllable.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an encoder group control board based on a printed board, including:
the PCB is provided with an encoder control interface used for being connected with an external differential type encoder group for measurement and a communication interface used for being connected with a motion controller or a terminal;
the PCB is also provided with a plurality of encoder modules which are connected in series and are respectively connected with the encoder control interface;
the encoder module is further connected with the communication interface through a communication coupler module connected in series with the encoder module.
Preferably, the PCB is further provided with a power interface set connected with each encoder module and the communication coupler module.
Preferably, wherein the communication interface is configured as EtherCAT100base TX ethernet communication interface;
the communication coupler module converts EtherCAT100base Tx into an EtherCAT E-Bus low-voltage signal, the type of which is configured to adopt EJ 1100;
the type of each of the encoder modules is configured to employ an EJ5101, the EJ5101 being a 40 pin connector with 2.54mm pitch with mechanical positioning;
the EJ1100 module outputs the converted EtherCAT E-Bus low-voltage signal through RX1+, RX1-, TX1+ and TX 1-pins on the EtherCAT E-Bus low-voltage signal;
each EJ7041 module is provided with RX0+, RX0-, TX0+ and TX 0-pins which are connected with RX1+, RX1-, TX1+ and TX 1-pins in series;
the adjacent EJ7041 modules realize serial extension through RX0+, RX0-, TX0+, TX 0-pins.
Preferably, the power interface group is configured to include:
a Us interface for powering the communicative coupler module;
the Up interface is used for supplying power to each encoder module;
the Up interface is connected to a communication coupler module EJ1100, the communication coupler module is connected with adjacent encoder modules through a first power supply bus of internal communication, the adjacent encoder modules are connected through a second power supply bus of internal communication, and then the Up interface is communicated to each encoder module, so that a serial cascade communication architecture is formed to realize power supply operation of each encoder module.
Preferably, the power interface group is connected with pins 0V _ Up and 24V _ Up on the EJ5101 module to supply power to the encoder module.
Preferably, wherein the encoder control interface is configured to employ a PCB connector 43045 and 0812;
the EJ5101 module is integrated with an encoder power interface and an encoder signal interface;
wherein the power interface of the encoder passes through 5V on the EJ5101 module–Senser、GND–The sensor pin is connected with the corresponding 5V, GND pin on the connector 43045-Providing a 5V direct current power supply;
the encoder signal interface is connected with corresponding pins on the connector 43045 and 0812 through pins A, A, B, B, C and C on the EJ5101 module so as to be connected with an external measurement encoder through the connector 43045 and 0812, and further can receive A, B phase difference signals and zero point signals output by the external measurement encoder.
The utility model discloses at least, include following beneficial effect: the utility model can realize bus communication and external interface based on the connector interface provided by the PCB, one control panel realizes communication with a plurality of encoders (namely an encoder group), meanwhile, the control panel realizes quick connection with an external differential input encoder through the connector provided on the PCB, the wiring quality is controllable, the overall quality of the project can be greatly improved, and further the project progress is ensured to be controllable, particularly, the encoder group control panel is designed to receive voltage differential signals related to the site and the position of each detection encoder through the encoder control interface, transmit the signals to the communication coupler module through the encoder module, convert the signals into signals corresponding to RJ45 interfaces received by an external motion controller or a terminal, and the scheme is respectively connected with an upper computer or a motion controller at the upper end and each detection encoder at the lower end through the structural design of the drive panel, and a communication link for realizing position acquisition by outputting signals to the upper computer or the motion controller from the encoder end is realized.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic block diagram of a control board of an encoder group based on a printed board according to an embodiment of the present invention;
FIG. 2 illustrates a schematic diagram of the structure of the communicative coupler module of FIG. 1;
FIG. 3 illustrates a block diagram of the encoder block of FIG. 1;
FIG. 4 illustrates a schematic diagram of the communication coupler module in connection with the encoder module;
fig. 5 is a schematic diagram illustrating the connection of the power interface set and the communication coupler module in fig. 1.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Fig. 1 shows an implementation form of an encoder group control board based on a printed board according to the present invention, which includes:
a Printed Circuit Board (PCB) 1, on which an encoder control interface 2 for connecting with an external differential type encoder group for measurement is provided, the encoder control interface provided by the PCB is connected with each encoder for detection or measurement in the field, and a communication interface 3 for connecting with a motion controller or a terminal, the control panel providing an external communication interface EtherCAT, a motion controller for connection to an external EtherCAT interface, via a printed circuit board, also referred to as a pcb, the modules are integrated, so that the control and power supply connection between the devices can be connected through interface lines through interfaces provided on the circuit board, the problem that in the prior art, the encoder is not controllable in engineering quality due to the fact that a wiring terminal is connected with a component and a control line is required to be manually connected to be integrated into a control system is solved;
the PCB is also provided with a plurality of encoder modules 4 which are connected in series and are respectively connected with the encoder control interface, and the encoder modules are used for connecting the encoder modules in a series connection mode, wherein the connection mode is realized by adopting corresponding signal pins and empty pins and/or grounding pins and matching with a printed circuit board;
the encoder module is further connected 5 with the communication interface through a communication coupler module connected in series with the encoder module. In this kind of scheme, receive the voltage difference signal that the position of on-the-spot encoder corresponds through encoder control interface, and then transmit its signal to the communication coupler module through the encoder module, convert its signal to can correspond the signal with the RJ48 interface that outside motion control ware or terminal received, this scheme passes through the structural design of drive plate, is connected with host computer or motion control ware on the upper end, each detection encoder of lower extreme respectively, realizes a communication link that realizes the position and obtains from encoder end to host computer or motion control ware output signal. Therefore, the core module of the control panel of the encoder comprises a communication coupler module EJ1100 and an encoder module EJ5101, a communication interface and an encoder control interface, the control panel of the encoder group is designed and realized on the basis of the encoder module of the PCB interface, and the control panel of the encoder is accessed into the encoder for measurement in the motion control system on the basis of the encoder control panel. The components and parts on the encoder control panel and the link of communication do not need the wiring, and encoder group control panel has adopted the PCB connector to be connected with outside measurement encoder simultaneously, can make outside cable assembly by the batched machine, carries out the engineering implementation fast, has improved engineering efficiency, quality uniformity.
In another example, the PCB is further provided with a power interface group 6 connected with each encoder module and each communication coupler module, and the power interface group is rapidly connected with an external power supply through the function of the power interface group, so that the power supply operation of each module is realized, other external devices are not required, the assembly is simpler and more effective, and the quality controllability of the assembly is better.
In another example, the communication interface is configured as an EtherCAT100base TX ethernet communication interface;
the communication coupler module converts the EtherCAT100base Tx into an EtherCAT E-Bus low-voltage signal, the type of the EtherCAT E-Bus low-voltage signal is configured to adopt EJ1100, in specific work, the EtherCAT100base Tx is integrated on the communication coupler module EJ100, and the EtherCAT100base Tx input by an external communication interface is converted into an EtherCAT E-Bus low-voltage signal interface, as shown in fig. 2;
the type of each encoder module is configured to adopt EJ5101, and the encoder modules EJ5101 form a serial cascade communication framework through EtherCATE-Bus. The EtherCAT E-bus is a lvds (low differential voltage signal) communication mode and is used for short-distance communication between modules, a printed board interface of an EtherCAT encoder module EJ5101 is shown in fig. 3, the EJ5101 is a 40-pin connector with a 2.54mm distance and mechanical positioning function, and the definition of 40 pins is shown in the following table:
TABLE 1
The EJ1100 module outputs the converted EtherCAT E-Bus low-voltage signal through RX1+, RX1-, TX1+ and TX 1-pins on the EtherCAT E-Bus low-voltage signal;
each EJ7041 module is provided with RX0+, RX0-, TX0+ and TX 0-pins which are connected with RX1+, RX1-, TX1+ and TX 1-pins in series;
in the scheme, the adjacent EJ7041 modules realize serial expansion through RX0+, RX0-, TX0+ and TX 0-pins thereof, the encoder modules at the rear stage are connected through RX0+, RX0-, TX0+ and TX 0-pins thereof, the encoder module at the front end is connected with the former stage and is in signal connection with RX1+, RX1-, TX1+ and TX 1-pins at the foremost EJ1100 module, and is further connected with an Ethecat signal interface in the communication interface on the PCB board through RX1+, RX1-, TX1+ and TX 1-pins thereof, and finally, a cascade communication link for transmitting from the encoder module end to the communication end is constructed, and the communication coupler module EJ1100 is specifically shown in FIG. 4 through an EthecaHERE-Bus serial cascade module EJ encoder 5101;
the control panel of the encoder group can be beneficial to engineering implementation of a large-scale control system, components and parts and loops on the control panel do not need to be wired, and meanwhile, a PCB connector interface adopted by the control panel is connected with an external control system and the encoder, so that external cable assemblies can be manufactured through a batch machine, engineering implementation is carried out rapidly, engineering efficiency is improved, and quality consistency is improved.
As shown in fig. 5, in another example, the power interface group is configured to include:
a Us interface 60 for powering the communicative coupler module, for powering the communicative coupler module EJ 1100;
the Up interface 61 is used for supplying power to each encoder module, the power supply Up is connected to the communication coupler module EJ1100, and is communicated to each encoder module through a power supply bus which is communicated with the inside of the encoder module and the coupler module, so as to provide a working power supply for the modules;
wherein, the Up interface is connected to a communication coupler module EJ1100, the communication coupler module is connected with adjacent encoder modules through a first power supply bus which is communicated internally, the adjacent encoder modules are connected through a second power supply bus which is communicated internally, further, the Up interface is communicated with each encoder module to form a serial cascade communication framework to realize the power supply operation of each encoder module, in this kind of scheme, the power interface of encoder control panel includes Us interface, Up interface, is used for communication coupler module respectively, for the encoder module carries out the power supply operation, and specific power supply is through the power generating line of inside UNICOM between coupler module and the encoder module, UNICOM to each drive control module, for the sensor power supply under the driver module, realizes need not the line, directly carries out electric connection through the combination of module and printing plate.
In another example, the power interface group is connected with pins 0V _ Up and 24V _ Up on the EJ5101 module to supply power for the encoder module.
In another example, the encoder control interface is configured to employ PCB connector 43045 plus 0812;
the EJ5101 module is integrated with an encoder power interface and an encoder signal interface;
the encoder power interface is connected with a corresponding 5V, GND pin on the connector 43045-;
the encoder signal interface is connected with a corresponding pin on a connector 43045 and 0812 through pins A, -A, B, -B, C and-C on the EJ5101 module so as to be connected with an external measurement encoder through the connector 43045 and 0812, and further can receive a A, B phase difference component signal and a zero point signal output by the external measurement encoder.
The above embodiments are merely illustrative of a preferred embodiment, but not limiting. Implement the utility model discloses the time, can carry out appropriate replacement and/or modification according to the user's demand for its wiring is more quick, and stability is controllable, is convenient for control its operating condition through the signal.
Example (b):
the control board can be applied to position information of a plurality of encoders to obtain position information of equipment matched with the control board, and particularly, the control board sends A, B phase difference signals and zero point difference signals related to the positions of the encoders through each measuring encoder at a far end, receives corresponding difference signals through an encoder control interface on the control board, converts the difference signals into the position information through an encoder module, communicates with a communication coupler module through an EtherCAT E-Bus communication interface between the modules, is based on an EtherCAT communication protocol and communicates by adopting an EtherCAT E-Bus, further converts an EtherCAT E-Bus low-voltage signal into a corresponding signal which can be received by an Ethernet communication interface EtherCAT100base TX through the communication coupler module, and then transmits the signal to an upper computer or a motion controller through an interface, the position information of the encoder is acquired and analyzed, so that the encoder related equipment can be controlled, and the whole process can be simplified into a field encoder differential signal (a b differential voltage) -an encoder module (automatically converting into the position information) -an E-bus interface-communication module EJ 1100-Ethercat 100base Tx interface-an external motion controller. Meanwhile, the communication coupler module and the encoder module in the scheme adopt German EJ1100 and EJ5101 module-level modules, and the communication coupler module and the encoder module are provided with pins which are convenient to be matched with the PCB, so that the communication coupler module and the encoder module can be quickly and industrially jointed with the PCB and packaged by welding or other realizable modes, and the assembly efficiency and the quality of an engineering system are improved conveniently.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the printed board based encoder control board of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (6)
1. An encoder group control board based on a printed board, comprising:
the PCB is provided with an encoder control interface used for being connected with an external differential type encoder group for measurement and a communication interface used for being connected with a motion controller or a terminal;
the PCB is also provided with a plurality of encoder modules which are connected in series and are respectively connected with the encoder control interface;
the encoder module is further connected with the communication interface through a communication coupler module connected in series with the encoder module.
2. The printed board-based encoder group control board of claim 1, wherein the PCB is further provided with a power interface set connected to each encoder module and the communication coupler module.
3. The printed board-based encoder group control board of claim 1, wherein the communication interface is configured as an EtherCAT100base TX ethernet communication interface;
the communication coupler module converts EtherCAT100base Tx into an EtherCAT E-Bus low-voltage signal, the type of which is configured to adopt EJ 1100;
the type of each encoder module is configured to employ EJ5101, which is a 40 pin connector with 2.54mm pitch with mechanical positioning;
the EJ1100 module outputs the converted EtherCAT E-Bus low-voltage signal through RX1+, RX1-, TX1+ and TX 1-pins on the EtherCAT E-Bus low-voltage signal;
each EJ7041 module is provided with RX0+, RX0-, TX0+ and TX 0-pins which are connected with RX1+, RX1-, TX1+ and TX 1-pins in series;
the adjacent EJ7041 modules realize serial extension through RX0+, RX0-, TX0+, TX 0-pins.
4. The printed board-based encoder group control board of claim 2, wherein the power interface set is configured to include:
a Us interface for powering the communicative coupler module;
the Up interface is used for supplying power to each encoder module;
the Up interface is connected to a communication coupler module EJ1100, the communication coupler module is connected with adjacent encoder modules through a first power supply bus of internal communication, the adjacent encoder modules are connected through a second power supply bus of internal communication, and then the Up interface is communicated to each encoder module, so that a serial cascade communication architecture is formed to realize power supply operation of each encoder module.
5. The printed board based encoder group control board of claim 4, wherein the power interface set is connected to 0V _ Up, 24V _ Up pins on the EJ5101 module to power the encoder module.
6. The printed board-based encoder group control board of claim 3, wherein the encoder control interface is configured to employ a PCB connector 43045-;
the EJ5101 module is integrated with an encoder power interface and an encoder signal interface;
wherein the power interface of the encoder passes through 5V on the EJ5101 module–Senser、GND–The sensor pin is connected with a corresponding 5V, GND pin on the connector 43045 and 0812, so as to provide a 5V direct current power supply for an external measuring encoder;
the encoder signal interface is connected with corresponding pins on the connector 43045 and 0812 through pins A, A, B, B, C and C on the EJ5101 module so as to be connected with an external measurement encoder through the connector 43045 and 0812, and further can receive A, B phase difference signals and zero point signals output by the external measurement encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495256.9U CN210514977U (en) | 2019-09-09 | 2019-09-09 | Encoder group control board based on printed board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495256.9U CN210514977U (en) | 2019-09-09 | 2019-09-09 | Encoder group control board based on printed board |
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| CN210514977U true CN210514977U (en) | 2020-05-12 |
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| CN201921495256.9U Expired - Fee Related CN210514977U (en) | 2019-09-09 | 2019-09-09 | Encoder group control board based on printed board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816743A (en) * | 2021-02-05 | 2021-05-18 | 南京首汇智能科技有限公司 | Duplex position BISS encoder communication circuit and device thereof |
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2019
- 2019-09-09 CN CN201921495256.9U patent/CN210514977U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816743A (en) * | 2021-02-05 | 2021-05-18 | 南京首汇智能科技有限公司 | Duplex position BISS encoder communication circuit and device thereof |
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Granted publication date: 20200512 |