CN210573261U - Frequency converter control system based on profinet communication - Google Patents
Frequency converter control system based on profinet communication Download PDFInfo
- Publication number
- CN210573261U CN210573261U CN201921038813.4U CN201921038813U CN210573261U CN 210573261 U CN210573261 U CN 210573261U CN 201921038813 U CN201921038813 U CN 201921038813U CN 210573261 U CN210573261 U CN 210573261U
- Authority
- CN
- China
- Prior art keywords
- profinet
- profinet communication
- chip
- control board
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Communication Control (AREA)
Abstract
The utility model discloses a converter control system based on profinet communication belongs to industrial data communication and converter control technical field. The utility model discloses by rectification master control board SCR, contravariant master control board VSR, touch-sensitive screen HMI and main control unit PLC constitute, rectification control and contravariant control are through TMS320F28335DSP chip and ERTEC200P chip as the control panel realization of main control chip, pass through the necessary parameter of SPI communication protocol transmission between two chips, accomplish SPI communication protocol and profinet communication protocol conversion by ERTEC200P chip, thereby can carry out profinet communication with the control of other parts. The utility model discloses can ensure data transmission's real-time, make the converter have open profinet communication interface, can assemble any industry occasion that has profinet communication bus, can also carry out data transmission with the ethernet when necessary.
Description
Technical Field
The utility model belongs to the technical field of industrial data communication and converter control, concretely relates to converter control system based on profinet communication.
Background
Along with the wide application and energy conservation promotion of the motor in daily life, the frequency converter is more and more widely applied. And the frequency converter is widely applied to various industrial fields due to its characteristic advantages. The internet technology is further developed, and on the basis of the further development of the internet technology, the industrial ethernet technology is rapidly developed, but the requirements of the industrial ethernet technology on real-time performance and the like are more strict than those of the internet. profinet communication is a new generation of automated bus standards based on industrial ethernet technology, introduced by PROFIBUS international organization. profinet communication has gained wide attention since the advent, and can be well used in various occasions with high real-time requirements in industry, and meanwhile, data transmission can be carried out by means of the existing Ethernet. The combination of frequency converters and profinet communication will be more consistent with the development of modern industry.
Disclosure of Invention
The utility model aims at providing a converter control system based on profinet communication. The frequency converter control system inputs voltage and current signals, controls the output voltage of the frequency converter through PWM (pulse width modulation), and simultaneously realizes profinet communication by adopting an ERTEC200P chip. The frequency converter can then be switched into an industrial situation with a profinet communication interface.
The utility model provides a pair of converter control system based on profinet communication, by rectification master control board SCR, contravariant master control board VSR, touch-sensitive screen HMI and main control unit PLC (Programmable Logic Controller), the four bibliographic branch of branch is constituteed, and rectification master control board and contravariant control board pass through profinet communication connection main control unit PLC, and main control unit PLC also passes through profinet communication and connects the touch-sensitive screen simultaneously.
The master controller PLC employs a controller having a profinet communication interface, such as an S1200 or S1500 controller. The main controller PLC is connected with a touch screen HMI (human machine interface), a rectification control panel SCR and an inversion control panel VSR through a profinet communication special network cable, the rectification control panel SCR and the inversion control panel VSR are configured by GSD (General Station Description) files in the main controller PLC, and the touch screen HMI does not need configuration; meanwhile, different IP addresses in the same network segment need to be distributed for the rectification control panel SCR, the inversion control panel VSR, the touch screen HMI and the main controller PLC respectively.
Rectification control and inversion control are realized by using a TMS320F28335DSP chip and an ERTEC200P chip of TI company as control boards of main control chips. The DSP chip completes basic functions of signal acquisition, analog input and output and the like, and then controls the frequency converter to realize required functions through a control algorithm of the frequency converter and the frequency converter load. Meanwhile, necessary parameters are transmitted between the DSP chip and the ERTEC200P chip through an SPI (Serial Peripheral Interface-Serial Peripheral Interface) communication protocol, and the conversion between the SPI communication protocol and the profinet communication protocol is completed by the ERTEC200P chip, so that the profinet communication can be carried out with the control of other parts.
Compared with the prior art, the utility model, its advantage lies in:
the utility model discloses can ensure data transmission's real-time, make the converter have open profinet communication interface, can assemble any industry occasion that has profinet communication bus, can also carry out data transmission with the ethernet when necessary. And the profinet communication with better real-time performance and expansibility is adopted, so that the control real-time performance of the frequency converter is ensured.
Drawings
Fig. 1 is a schematic diagram of a frequency conversion control system based on profinet communication according to the present invention;
fig. 2 is a schematic block diagram of rectification control and inversion control.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The utility model provides a frequency conversion control system based on profinet communication, as shown in figure 1, frequency conversion control system include main control unit PLC, rectifier control board SCR, contravariant control board VSR and touch-sensitive screen HMI, wherein, main control unit PLC has touch-sensitive screen HMI, rectifier control board SCR and contravariant control board VSR of net gape through profinet communication private network line connection. A rectification control board and an inversion control board are configured in a main controller PLC by utilizing a GSD file; and then IP addresses are respectively allocated to the rectification control panel SCR, the inversion control panel VSR, the touch screen HMI and the PLC, and the IP addresses in the same network segment need to be allocated to the four. Thus, a profinet network communication structure diagram of the variable frequency control system is formed. The dashed line between the SCR and the VSR in fig. 1 indicates that profinet data transmission can be performed when necessary, and specifically, when a fast small amount of data communication is required between the SCR and the VSR, direct transmission can be performed through this channel.
The master controller PLC in fig. 1 may employ a controller having a profinet interface, such as an S1200 or S1500 controller. The SCR and VSR main control boards in fig. 1 have the same structure, and as shown in fig. 2, are implemented by using a TMS320F28335DSP chip and an ERTEC200P chip of TI as main control chips. The SCR and VSR main control board has conventional interfaces of a conventional control board, such as an analog output AO and an analog input AI, an AD interface for completing signal acquisition work of voltage, current and the like, and an interface for PWM pulse output and the like generated by a control algorithm, so that a power unit of the frequency converter is controlled to output required voltage. Meanwhile, the DSP chip and the ERTEC200P chip transmit necessary parameters through an SPI communication protocol, as shown in FIG. 2, an SPI interface on the DSP chip is connected with an SPI interface of an ERTEC200P chip, and the ERTEC200P chip completes SPI and profinet communication protocol conversion, so that profinet communication can be performed with the control of other parts.
The touch screen HMI in fig. 1 employs a touch screen supporting profinet communication protocol, selecting touch screen signals with a portal interface, such as TCP1061 Hn. In fig. 2, the main control board has AI, AO, AD interfaces, PWM interface and profinet output port P0 using RJ45 interface, and is respectively connected to external analog input, analog output, signal acquisition terminal, power unit of frequency converter and main controller PLC.
The utility model discloses well adoption has the profinet communication of better real-time and expansibility, makes the control real-time of converter obtain guaranteeing, can connect with other equipment that have the profinet net mouth simultaneously, can communicate with the ethernet when necessary.
Claims (4)
1. A frequency converter control system based on profinet communication, characterized in that: the control system consists of a rectification main control board SCR, an inversion main control board VSR, a touch screen HMI and a main controller PLC, wherein the rectification main control board and the inversion control board are connected with the main controller PLC through profinet communication, and meanwhile, the main controller PLC is also connected with the touch screen through profinet communication.
2. A profinet communication based frequency converter control system according to claim 1, characterized in that: the master controller PLC is an S1200 or S1500 controller with a profinet communication interface.
3. A profinet communication based frequency converter control system according to claim 1, characterized in that: the main controller PLC configures a rectification control panel SCR and an inversion control panel VSR by using the GSD file, and the touch screen HMI does not need configuration; the rectification control panel SCR, the inversion control panel VSR, the touch screen HMI and the main controller PLC are distributed with different IP addresses in the same network segment.
4. A profinet communication based frequency converter control system according to claim 1, characterized in that: the structure of the rectification control board SCR is the same as that of the inversion control board VSR, and the rectification control board SCR and the inversion control board VSR are both realized by adopting a DSP chip and an ERTEC200P chip as main control chips; the DSP chip and the ERTEC200P chip are connected through an SPI communication protocol, and the ERTEC200P chip completes the conversion of the SPI and the profinet communication protocols.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038813.4U CN210573261U (en) | 2019-07-04 | 2019-07-04 | Frequency converter control system based on profinet communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038813.4U CN210573261U (en) | 2019-07-04 | 2019-07-04 | Frequency converter control system based on profinet communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210573261U true CN210573261U (en) | 2020-05-19 |
Family
ID=70645462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921038813.4U Active CN210573261U (en) | 2019-07-04 | 2019-07-04 | Frequency converter control system based on profinet communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210573261U (en) |
-
2019
- 2019-07-04 CN CN201921038813.4U patent/CN210573261U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104391477A (en) | Drive-control integrated networked intelligent controller | |
| CN107994773B (en) | A kind of control method and system of photovoltaic DC-to-AC converter Boost circuit | |
| CN100471016C (en) | Three phase rectifying bridge DC side parallel type active electric power filter | |
| CN109269033A (en) | A kind of centralized control converter and air-conditioning system | |
| CN210573261U (en) | Frequency converter control system based on profinet communication | |
| CN110165945A (en) | A kind of integrated AC servo-driver | |
| CN105406710A (en) | Integrated servo drive system of multi-axis mobile robot | |
| CN205004963U (en) | Controlling device of inverter | |
| CN106444530A (en) | AC-AC (alternating current) frequency conversion control panel integrating with MODBUS protocol | |
| CN110350845A (en) | A kind of frequency converter control method based on profinet communication | |
| CN207571568U (en) | control system, control chip and robot | |
| CN107592018B (en) | Modularized frequency converter | |
| CN105577014A (en) | Double-MCU based numerical control inverter power supply and control method | |
| CN203119827U (en) | Microprogrammed control unit based brushless direct-current motor controller | |
| CN205910533U (en) | Car drying control system based on ethernetIP bus framework | |
| CN101997441A (en) | Networked controller of high-frequency inverter power supply and control method thereof | |
| AU2009311067A1 (en) | Master-slave mode direct current carrier communication system | |
| CN111600391A (en) | RS-485-based direct-current power line communication device | |
| CN209823420U (en) | Direct current power supply control system | |
| CN208969461U (en) | Kinetic control system | |
| CN206847005U (en) | A kind of control system of total heat exchanger | |
| CN207588744U (en) | A kind of bus air-conditioner motor driven systems and electronic bus | |
| CN212162930U (en) | RS-485-based direct-current power line communication device | |
| CN111830910A (en) | Method and system for realizing multi-axis synchronous motion controller based on PWM | |
| CN102571517A (en) | IO (Input Output) module based on CANOpen bus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |