CN103149900A - Communication method and communication device between power amplifier (PA) numerical control system and external device - Google Patents
Communication method and communication device between power amplifier (PA) numerical control system and external device Download PDFInfo
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- CN103149900A CN103149900A CN2013100434449A CN201310043444A CN103149900A CN 103149900 A CN103149900 A CN 103149900A CN 2013100434449 A CN2013100434449 A CN 2013100434449A CN 201310043444 A CN201310043444 A CN 201310043444A CN 103149900 A CN103149900 A CN 103149900A
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Abstract
Provided is a communication method between a power amplifier (PA) numerical control system and an external device. The communication method comprises the following steps: a PA communication module transmits output data of the PA numerical control system to a communication interface module, the communication interface module transmits the output data of the PA numerical control system to a bus driving module, the bus driving module transmits the output data to the external device through a bus, the bus driving module transmits input data received through the bus to the communication interface module, the communication interface module transmits the input data to the PA communication module, and the PA communication module transmits the input data to the PA numerical control system; the PA numerical control system, the PA communication module, the communication interface module and the bus driving module are mounted on the same PA industrial personal computer, a bus card is mounted on a programmable communication interface (PCI) of the PA industrial personal computer, and the bus card is connected with the external device through the bus. The invention further provides a communication device between the PA numerical control system and the external device. The communication method and the communication device between the PA numerical control system and the external device can achieve data communication which is large in data volume, long in distance, and high in reliability.
Description
[technical field]
The present invention relates to industrial control field, particularly communication means and the device between a kind of PA digital control system and external devices.
[background technology]
What present PA(Power Automation) digital control system and external devices communication were used is the method for rigid line communication, and in the method, the PA digital control system need to be used a large amount of wiring with the external devices communication time, and very inconvenient, debugging is loaded down with trivial details.Particularly when setting up large-scale production line, the data volume that need to carry out communication is large, communication distance far away and the communication reliability requirement is high, and the method for rigid line communication is difficult to realize these requirements.
[summary of the invention]
Based on this, be necessary to provide a kind of PA digital control system of the data communication that realizes big data quantity, remote, high reliability and the communication means between external devices.
Communication means between a kind of PA digital control system and external devices comprises the following steps:
The PA communication module is obtained the output data of PA digital control system and is sent the output data of PA digital control system to communication interface module, communication interface module reads the output data of PA digital control system and the output data of PA digital control system is sent to the bus driver module, and the bus driver module sends to external devices with the output data of PA digital control system by bus;
The bus driver module will send communication interface module to from the input data that bus receives, communication interface module reads the input data that receive from bus, and also should input data sends to the PA communication module, and the PA communication module should be inputted data and send the PA digital control system to;
Described PA digital control system, PA communication module, communication interface module and bus driver module are installed on same PA industrial computer, on the pci interface of described PA industrial computer, bus card have been installed, and are connected by described bus between this bus card and external devices.
In embodiment, before starting the PA digital control system, described method is further comprising the steps of therein:
Described PA digital control system and PA communication module are installed on the operating system of described PA industrial computer;
Described communication interface module is installed on the operating system of described PA industrial computer;
Pci interface at described PA industrial computer is installed described bus card;
Described bus driver module is installed on the operating system of described PA industrial computer;
External devices is connected by described bus with described bus card.
In embodiment, described method also comprises step therein:
The firmware program writing module writes firmware program to the chip on described bus card, and this firmware program comprises the bus protocol stack, and the bus protocol stack is used for realizing communications protocol;
Adopt described communications protocol to communicate between described bus card and described external devices.
In embodiment, described PA digital control system is the PA8000 digital control system therein;
The described communications protocol that adopts of communicating by letter between described bus card and described external devices is a kind of in Profinet, Profibus, DeviceNet, CANopen and EtherCAT.
In embodiment, described method also comprises step therein: communication interface modules is according to the relevant parameter of the configuration information initialization bus card that sets in advance.
In addition, also be necessary to provide a kind of PA digital control system of the data communication that realizes big data quantity, remote, high reliability and the communicator between external devices.
Communicator between a kind of PA digital control system and external devices comprises:
The PA communication module is used for obtaining the output data of PA digital control system and sends the output data of PA digital control system to communication interface module;
Communication interface module is used for reading the output data of PA digital control system and the output data of PA digital control system is sent to the bus driver module;
The bus driver module is used for the output data of PA digital control system are sent to external devices by bus;
The bus driver module also is used for and will sends communication interface module to from the input data that bus receives;
Communication interface module also is used for reading the input data that receive from bus, and also should input data sends to the PA communication module;
The PA communication module also is used for inputting data and sends the PA digital control system to;
Described PA digital control system, PA communication module, communication interface module and bus driver module are installed on same PA industrial computer, on the pci interface of described PA industrial computer, bus card have been installed, and are connected by described bus between this bus card and external devices.
In embodiment, described device also comprises the firmware program writing module therein, and the chip that is used on the described bus card writes firmware program, and this firmware program comprises the bus protocol stack, and the bus protocol stack is used for realizing communications protocol;
Adopt described communications protocol to communicate between described bus card and described external devices.
In embodiment, described PA digital control system is the PA8000 digital control system therein;
The described communications protocol that adopts of communicating by letter between described bus card and described external devices is a kind of in Profinet, Profibus, DeviceNet, CANopen and EtherCAT.
In embodiment, communication interface modules also is used for the relevant parameter according to the configuration information initialization bus card that sets in advance therein.
Communication means and device between above-mentioned PA digital control system and external devices, communicate by bus between PA digital control system and external devices, the data communication of big data quantity, remote, high reliability can be realized easily, and the quantity of external devices can be expanded easily.
[description of drawings]
Fig. 1 be one in embodiment the PA digital control system and the schematic flow sheet of the communication means between external devices;
Fig. 2 be one in embodiment the PA digital control system and the structural representation of the communicator between external devices;
Fig. 3 is the communicator between PA digital control system and external devices and the connection diagram of PA digital control system and external devices in an embodiment.
[embodiment]
As shown in Figure 1, the communication means between a kind of PA digital control system and external devices comprises the following steps:
Step S101, the PA communication module is obtained the output data of PA digital control system and is sent the output data of PA digital control system to communication interface module, communication interface module reads the output data of PA digital control system and the output data of PA digital control system is sent to the bus driver module, and the bus driver module sends to external devices with the output data of PA digital control system by bus.
Step S102, the bus driver module will send communication interface module to from the input data that bus receives, communication interface module reads the input data that receive from bus, and also should input data sends to the PA communication module, and the PA communication module should be inputted data and send the PA digital control system to.
Above-mentioned PA digital control system, PA communication module, communication interface module and bus driver module are installed on same PA industrial computer, on the pci interface of PA industrial computer, bus card have been installed, and are connected by described bus between this bus card and external devices.
Before step S101, whether the start detection module detects the PA digital control system and starts, if, connect the PA communication module, and enter step S101, if not, whether duplicate detection PA digital control system starts.After the PA digital control system started, further, the start detection module can also start timer, and regularly judged whether the PA digital control system withdraws from, if carry out the step whether above-mentioned detection PA digital control system starts.
Before step S101, said method is further comprising the steps of:
PA digital control system and PA communication module are installed on the operating system of PA industrial computer;
On the operating system of PA industrial computer, communication interface module is installed;
Pci interface installation bus card at the PA industrial computer;
Installation bus driver module on the operating system of PA industrial computer;
External devices is connected by bus with bus card.
Further, after the pci interface installation bus card of PA industrial computer, said method also comprises step:
The firmware program writing module writes firmware program to the chip on bus card, and this firmware program comprises the bus protocol stack, and the bus protocol stack is used for realizing communications protocol; Adopt this communications protocol to communicate between bus card and external devices.
In one embodiment, above-mentioned PA digital control system is the PA8000 digital control system; The communications protocol that adopts of communicating by letter between bus card and external devices is a kind of in Profinet, Profibus, DeviceNet, CANopen and EtherCAT.
Before step S101, communication interface modules is according to the relevant parameter of the configuration information initialization bus card that sets in advance.Concrete, the configuration information that sets in advance comprises the reading and writing data byte number of bus and the variable name of PLC etc.
As shown in Figure 2, the communicator between a kind of PA digital control system and external devices comprises PA communication module 10, communication interface module 20 and bus driver module 30, wherein:
In one embodiment, PA digital control system, PA communication module 10, communication interface module 20 and bus driver module 30 are installed on same PA industrial computer, on the pci interface of PA industrial computer, bus card have been installed, and are connected by bus between this bus card and external devices.
In one embodiment, said apparatus also comprises the start detection module, is used for before PA communication module 10 is obtained the output data of PA digital control system, detect the PA digital control system and whether start, if connect PA communication module 10, if not, whether duplicate detection PA digital control system starts.After the PA digital control system started, further, the start detection module can also start timer, and regularly judged whether the PA digital control system withdraws from, if whether duplicate detection PA digital control system starts.
Said apparatus also comprises the firmware program writing module, writes firmware program for the chip on bus card, and this firmware program comprises the bus protocol stack, and the bus protocol stack is used for realizing communications protocol; Adopt this communications protocol to communicate between bus card and external devices.
In one embodiment, above-mentioned PA digital control system is the PA8000 digital control system; The described communications protocol that adopts of communicating by letter between bus card and external devices is a kind of in Profinet, Profibus, DeviceNet, CANopen and EtherCAT.
Communication interface modules also is used for the relevant parameter according to the configuration information initialization bus card that sets in advance.Concrete, the configuration information that sets in advance comprises the reading and writing data byte number of bus and the variable name of PLC etc.
Fig. 3 is the communicator between PA digital control system and external devices and the connection diagram of PA digital control system and external devices in an embodiment.Wherein, PA digital control system 40, PA communication module 10, communication interface module 20 and bus driver module 30 are installed on same PA industrial computer 100.Windows operating system has been installed on PA industrial computer 100, and bus card 50 has been installed on the pci interface of PA industrial computer 100, be connected by bus between this bus card 50 and external devices 60.External devices 60 comprises industrial computer, robot, universal I/O plate and PLC etc.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. the communication means between a PA digital control system and external devices comprises the following steps:
The PA communication module is obtained the output data of PA digital control system and is sent the output data of PA digital control system to communication interface module, communication interface module reads the output data of PA digital control system and the output data of PA digital control system is sent to the bus driver module, and the bus driver module sends to external devices with the output data of PA digital control system by bus;
The bus driver module will send communication interface module to from the input data that bus receives, communication interface module reads the input data that receive from bus, and also should input data sends to the PA communication module, and the PA communication module should be inputted data and send the PA digital control system to;
Described PA digital control system, PA communication module, communication interface module and bus driver module are installed on same PA industrial computer, on the pci interface of described PA industrial computer, bus card have been installed, and are connected by described bus between this bus card and external devices.
2. the communication means between PA digital control system according to claim 1 and external devices, is characterized in that, before starting the PA digital control system, described method is further comprising the steps of:
Described PA digital control system and PA communication module are installed on the operating system of described PA industrial computer;
Described communication interface module is installed on the operating system of described PA industrial computer;
Pci interface at described PA industrial computer is installed described bus card;
Described bus driver module is installed on the operating system of described PA industrial computer;
External devices is connected by described bus with described bus card.
3. the communication means between PA digital control system according to claim 2 and external devices, is characterized in that, described method also comprises step:
The firmware program writing module writes firmware program to the chip on described bus card, and this firmware program comprises the bus protocol stack, and the bus protocol stack is used for realizing communications protocol;
Adopt described communications protocol to communicate between described bus card and described external devices.
4. the communication means between PA digital control system according to claim 3 and external devices, is characterized in that, described PA digital control system is the PA8000 digital control system;
The described communications protocol that adopts of communicating by letter between described bus card and described external devices is a kind of in Profinet, Profibus, DeviceNet, CANopen and EtherCAT.
5. the communication means between PA digital control system according to claim 1 and external devices, is characterized in that, described method also comprises step: communication interface modules is according to the relevant parameter of the configuration information initialization bus card that sets in advance.
6. the communicator between a PA digital control system and external devices, is characterized in that, comprising:
The PA communication module is used for obtaining the output data of PA digital control system and sends the output data of PA digital control system to communication interface module;
Communication interface module is used for reading the output data of PA digital control system and the output data of PA digital control system is sent to the bus driver module;
The bus driver module is used for the output data of PA digital control system are sent to external devices by bus;
The bus driver module also is used for and will sends communication interface module to from the input data that bus receives;
Communication interface module also is used for reading the input data that receive from bus, and also should input data sends to the PA communication module;
The PA communication module also is used for inputting data and sends the PA digital control system to;
Described PA digital control system, PA communication module, communication interface module and bus driver module are installed on same PA industrial computer, on the pci interface of described PA industrial computer, bus card have been installed, and are connected by described bus between this bus card and external devices.
7. the communicator between PA digital control system according to claim 6 and external devices, it is characterized in that, described device also comprises the firmware program writing module, write firmware program for the chip on described bus card, this firmware program comprises the bus protocol stack, and the bus protocol stack is used for realizing communications protocol;
Adopt described communications protocol to communicate between described bus card and described external devices.
8. the communicator between PA digital control system according to claim 7 and external devices, is characterized in that, described PA digital control system is the PA8000 digital control system;
The described communications protocol that adopts of communicating by letter between described bus card and described external devices is a kind of in Profinet, Profibus, DeviceNet, CANopen and EtherCAT.
9. the communicator between PA digital control system according to claim 6 and external devices, is characterized in that, communication interface modules also is used for the relevant parameter according to the configuration information initialization bus card that sets in advance.
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| CN201310043444.9A CN103149900B (en) | 2013-02-04 | 2013-02-04 | Communication means between PA digital control system and external devices and device |
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Cited By (1)
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| CN106483932A (en) * | 2015-08-27 | 2017-03-08 | 毕延勇 | A kind of digital control system of five axles servo digital control punch press |
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