CN108169591B - Frequency converter keyboard, frequency converter and frequency converter identification method - Google Patents
Frequency converter keyboard, frequency converter and frequency converter identification method Download PDFInfo
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- CN108169591B CN108169591B CN201711329440.1A CN201711329440A CN108169591B CN 108169591 B CN108169591 B CN 108169591B CN 201711329440 A CN201711329440 A CN 201711329440A CN 108169591 B CN108169591 B CN 108169591B
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention discloses a frequency converter keyboard, a frequency converter and a frequency converter identification method, wherein the frequency converter identification method for the frequency converter keyboard comprises the following steps: sending keyboard handshake data containing keyboard type data to a frequency converter; judging whether frequency converter handshake data containing the frequency converter model data returned by the frequency converter is received within preset time; if so, identifying the type of the frequency converter according to the handshake data of the frequency converter, and calling a corresponding functional parameter configuration table to match the frequency converter; if not, the keyboard of the frequency converter does not support the frequency converter, and a corresponding prompt signal is sent out. The automatic identification of the frequency converter is realized, the user parameter setting and the function code correspondence are ensured, the disordered condition of debugging parameters is avoided, and the normal setting of the frequency converter parameters is ensured when the target frequency converter is subjected to parameter debugging. When the model of the frequency converter cannot be identified, prompting is carried out, and other frequency converter keyboards can be replaced by a user, so that the debugging time cost of the user is saved.
Description
Technical Field
The invention relates to the technical field of frequency converter application, in particular to a frequency converter keyboard, a frequency converter and a frequency converter identification method.
Background
The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor.
Generally, the frequency converter is provided with a keyboard, the keyboard is generally divided into two types, namely an LED and an LCD, and a user can view and set the functional parameters of the frequency converter through the keyboard. However, the keyboard is usually required to be matched with a specific frequency converter for use, that is, the frequency converters of different manufacturers generally use the keyboard designed by themselves, but the frequency converters of the same manufacturer often have more models, and the keyboard is often only one type, that is, the same type of keyboard is matched with the frequency converters of different models for use. However, when a field debugger needs to debug parameters of a target frequency converter through a keyboard, the frequency converter model is not clear, and the debugging cannot be normally performed.
Therefore, how to ensure the normal setting of the frequency converter parameters when debugging the parameters of the target frequency converter is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a frequency converter keyboard, a frequency converter and a frequency converter identification method, which can ensure the normal setting of frequency converter parameters when the parameters of a target frequency converter are debugged.
In order to solve the technical problems, the invention provides the following technical scheme:
a frequency converter identification method is used for a frequency converter keyboard and comprises the following steps:
sending keyboard handshake data containing keyboard type data to a frequency converter;
judging whether frequency converter handshake data containing the frequency converter model data returned by the frequency converter is received within preset time;
if so, identifying the type of the frequency converter according to the frequency converter handshake data, and calling a corresponding functional parameter configuration table to match the frequency converter;
if not, the frequency converter keyboard is judged not to support the frequency converter, and a corresponding prompt signal is sent out.
Preferably, the method further comprises the following steps:
when the frequency converter handshake data are judged to be received within the preset time, calling frequency converter attribute information corresponding to the type of the frequency converter to be displayed on a display screen of a frequency converter keyboard;
judging whether the display time of the attribute information of the frequency converter reaches a preset display time threshold value or not;
and if so, switching the display interface of the display screen to a preset functional display interface.
Preferably, when it is determined that the frequency converter handshake data is received within a preset time, the frequency converter attribute information corresponding to the type of the frequency converter is called and displayed on a display screen of the frequency converter keyboard, specifically:
and calling frequency converter image information corresponding to the type of the frequency converter to be displayed on a display screen of the frequency converter keyboard when the frequency converter handshake data is judged to be received within the preset time.
Preferably, the determining that the frequency converter keyboard does not support the frequency converter and sending out a corresponding prompt signal includes:
determining that the frequency converter keyboard does not support the frequency converter;
and calling preset matching error information to be displayed on a display screen of the frequency converter keyboard.
Preferably, the sending of the keyboard handshake data including the keyboard type data to the frequency converter is:
and sending keyboard handshaking data containing keyboard type data to the frequency converter through the RS-485 interface.
A frequency converter identification method for a frequency converter, comprising:
detecting whether keyboard handshake data containing keyboard type data sent by a frequency converter keyboard is received;
and when the keyboard handshaking data are received, sending corresponding frequency converter handshaking data containing the self model information of the frequency converter to the frequency converter keyboard so that the frequency converter keyboard can identify the model of the frequency converter.
Preferably, the method further comprises the following steps:
and identifying the type of the frequency converter keyboard according to the keyboard handshaking data, and calling a corresponding communication processing mechanism to communicate with the frequency converter keyboard.
Preferably, the identifying the type of the frequency converter keyboard according to the keyboard handshake data and invoking a corresponding communication processing mechanism to communicate with the frequency converter keyboard specifically include:
identifying whether the frequency converter keyboard is an LED keyboard or an LCD keyboard according to the keyboard handshaking data;
and calling a corresponding communication processing mechanism to communicate with the frequency converter keyboard according to the identification result.
A transducer keyboard comprising:
the first information sending module is used for sending keyboard handshake data containing keyboard type data to the frequency converter;
the information receiving and judging module is used for judging whether frequency converter handshake data which are returned by the frequency converter and contain the frequency converter model data are received within preset time;
the storage module is used for pre-storing functional parameter configuration tables corresponding to different types of frequency converters;
the identification module is used for identifying the type of the frequency converter according to the frequency converter handshake data and calling a corresponding functional parameter configuration table to match the frequency converter when the frequency converter handshake data is received within the preset time;
and the reminding module is used for judging that the frequency converter keyboard does not support the frequency converter and sending out a corresponding reminding signal when the frequency converter handshaking data is not received within the preset time or the model of the frequency converter is not identified through identification.
A frequency converter, comprising:
the information receiving and detecting module is used for detecting whether keyboard handshake data containing keyboard type data sent by a frequency converter keyboard is received or not;
and the second information sending module is used for sending corresponding frequency converter handshaking data containing the model information of the frequency converter to the frequency converter keyboard when the keyboard handshaking data are received so that the frequency converter keyboard can identify the model of the frequency converter.
Compared with the prior art, the technical scheme has the following advantages:
the embodiment of the invention provides a frequency converter identification method for a frequency converter keyboard, which comprises the following steps: sending keyboard handshake data containing keyboard type data to a frequency converter; judging whether frequency converter handshake data containing the frequency converter model data returned by the frequency converter is received within preset time; if so, identifying the type of the frequency converter according to the handshake data of the frequency converter, and calling a corresponding functional parameter configuration table to match the frequency converter; if not, the keyboard of the frequency converter does not support the frequency converter, and a corresponding prompt signal is sent out. When the frequency converter keyboard and the frequency converter are connected, the frequency converter keyboard sends keyboard handshaking data to the frequency converter, receives frequency converter handshaking data returned by the frequency converter, calls a corresponding correct function parameter configuration table to match the frequency converter, realizes automatic identification of the frequency converter keyboard to the frequency converter, ensures user parameter setting and function code correspondence, avoids the occurrence of disordered debugging parameters, and ensures normal setting of frequency converter parameters when parameter debugging is carried out on a target frequency converter. And when the model of the frequency converter cannot be identified, a corresponding prompt signal is sent, so that a user can replace other frequency converter keyboards, and the debugging time cost of the user is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart of a method for identifying a frequency converter used in a frequency converter keyboard according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for identifying a frequency converter based on a frequency converter keyboard according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a frequency converter keyboard structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a frequency converter according to an embodiment of the present invention.
Detailed Description
The core of the invention is to provide a frequency converter keyboard, a frequency converter and a frequency converter identification method, which can ensure the normal setting of frequency converter parameters when the parameters of a target frequency converter are debugged.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for identifying a frequency converter used for a frequency converter keyboard according to an embodiment of the present invention.
A specific embodiment of the present invention provides a method for identifying a frequency converter, which is used for a frequency converter keyboard, and includes:
s11: and sending keyboard handshake data containing the keyboard type data to the frequency converter.
S12: and judging whether frequency converter handshaking data containing the frequency converter model data returned by the frequency converter is received within preset time.
S13: if so, identifying the type of the frequency converter according to the handshake data of the frequency converter, and calling a corresponding functional parameter configuration table to match the frequency converter.
S14: if not, the keyboard of the frequency converter does not support the frequency converter, and a corresponding prompt signal is sent out.
In this embodiment, after the frequency converter keyboard and the frequency converter are connected, the frequency converter keyboard sends keyboard handshake data, i.e., a handshake command data frame, to the frequency converter, where the data frame includes information such as the type of the frequency converter keyboard. After receiving the keyboard handshake data, the frequency converter feeds back corresponding frequency converter handshake data, and the frequency converter keyboard receives the frequency converter handshake data returned by the frequency converter. Because different frequency converter function codes may be different, therefore, after frequency converter handshake data returned by the frequency converter is acquired, a corresponding correct function parameter configuration table is called according to the model of the frequency converter to match the frequency converter, correct keyboard display function code parameters in a normal communication process are guaranteed, automatic identification of a frequency converter keyboard to the frequency converter is realized, user parameter setting and function code correspondence are guaranteed, occurrence of a condition of debugging parameter confusion is avoided, and thus normal setting of frequency converter parameters is guaranteed when parameter debugging is performed on a target frequency converter. And when the model of the frequency converter cannot be identified, a corresponding prompt signal is sent, so that a user can replace other frequency converter keyboards, and the debugging time cost of the user is saved.
In an embodiment of the present invention, the method further includes: when the handshake data of the frequency converter is received within the preset time, calling the attribute information of the frequency converter corresponding to the type of the frequency converter to display on a display screen of a keyboard of the frequency converter; judging whether the display time of the attribute information of the frequency converter reaches a preset display time threshold value or not; and if so, switching the display interface of the display screen to a preset functional display interface.
Further, when judging that the frequency converter handshake data is received within the preset time, calling frequency converter attribute information corresponding to the type of the frequency converter to be displayed on a display screen of a frequency converter keyboard, specifically: and calling frequency converter image information corresponding to the type of the frequency converter to be displayed on a display screen of a frequency converter keyboard when the frequency converter handshake data is judged to be received within the preset time.
Further, determining that the frequency converter keyboard does not support the frequency converter and sending out a corresponding prompt signal includes: judging that the frequency converter keyboard does not support the frequency converter; and calling preset matching error information to be displayed on a display screen of the frequency converter keyboard.
In this embodiment, the identified type of the frequency converter is one of pre-stored types supported by a keyboard, for example, the type 1 represents a GD100 frequency converter, the type 2 represents a GD200 frequency converter, and a graph of the corresponding frequency converter can be displayed on the frequency converter keyboard, after a duration T, the graph display of the type of the frequency converter automatically disappears, and a display interface designed in a normal communication process is entered, where T is a preset display time threshold. The attribute information of the connected frequency converter, particularly the graph corresponding to the type number of the frequency converter, is displayed on the keyboard of the frequency converter, so that a user can intuitively know the type number of the current frequency converter, and the configuration and debugging of relevant parameters are facilitated.
In the embodiment, no matter the frequency converter keyboard and the frequency converter are not successfully handshaking to receive the frequency converter handshaking data returned by the frequency converter within the preset time or the frequency converter type contained in the frequency converter handshaking data received by the frequency converter keyboard cannot be identified in the frequency converter keyboard, if the type of the frequency converter cannot be searched in a type table pre-stored in the keyboard, the frequency converter keyboard is judged not to support the current frequency converter if the frequency converter handshake data containing the type data of the frequency converter returned by the frequency converter is not received within the preset time, and calling preset matching error information to display on a display screen of a keyboard of the frequency converter, preferably always displaying the matching error of the keyboard and not switching to other display interfaces, the method and the device can remind a user that the current frequency converter is not matched with the frequency converter keyboard, the frequency converter keyboard needs to be replaced, or the keyboard program needs to be upgraded, or whether other faults occur or not is detected.
In an embodiment of the present invention, sending keyboard handshake data including keyboard type data to the frequency converter is: and sending keyboard handshaking data containing keyboard type data to the frequency converter through the RS-485 interface. That is, in this embodiment, the converter uses an MCU chip supporting 485 communication, the converter also uses an MCU chip supporting 485 communication, and 485 communication is used between the converter and the converter keyboard. Interference can be suppressed.
Referring to fig. 2, fig. 2 is a flowchart of a method for identifying a frequency converter based on a frequency converter keyboard according to an embodiment of the present invention.
Correspondingly, an embodiment of the present invention further provides a frequency converter identification method based on a frequency converter keyboard, which is used for a frequency converter and includes:
s21: detecting whether keyboard handshake data containing keyboard type data sent by a frequency converter keyboard is received;
s22: and when receiving the keyboard handshaking data, sending corresponding frequency converter handshaking data containing the self model information of the frequency converter to the frequency converter keyboard so that the frequency converter keyboard can identify the model of the frequency converter.
Further, still include:
s23: and identifying the type of the frequency converter keyboard according to the keyboard handshaking data, and calling a corresponding communication processing mechanism to communicate with the frequency converter keyboard.
The method comprises the following steps of recognizing the type of a frequency converter keyboard according to keyboard handshake data, calling a corresponding communication processing mechanism to communicate with the frequency converter keyboard, and specifically comprising the following steps: identifying whether the frequency converter keyboard is an LED keyboard or an LCD keyboard according to the keyboard handshaking data; and calling a corresponding communication processing mechanism and a frequency converter keyboard for communication according to the identification result.
In this embodiment, after the frequency converter is powered on, the frequency converter waits for the frequency converter keyboard to send keyboard handshake data, that is, a handshake command data frame sent by the frequency converter keyboard, and if the keyboard is not in connection communication with the frequency converter, that is, if the frequency converter keyboard is not inserted into a communication interface of the frequency converter, the frequency converter is always in a state of detecting the keyboard handshake data, and at this time, if a communication signal of the frequency converter keyboard is detected, the keyboard handshake data sent by the frequency converter keyboard is detected in real time. After receiving the keyboard handshaking data, the frequency converter can send corresponding frequency converter handshaking data to the frequency converter keyboard so as to enable the frequency converter keyboard to identify the model of the frequency converter and other subsequent operations. Therefore, the identification of the frequency converter keyboard on the type of the frequency converter is realized.
After receiving the keyboard handshaking data, the frequency converter can judge whether the frequency converter keyboard is an LED keyboard or an LCD keyboard according to the received data, and then call a corresponding communication processing mechanism to ensure normal communication with the keyboard. For example, the keyboard handshaking data sent by the frequency converter keyboard contains the attribute information of the LED keyboard or the LCD keyboard, and the frequency converter can identify the type of the keyboard according to the pre-stored identification information.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a frequency converter keyboard according to an embodiment of the present invention.
The invention also provides a frequency converter keyboard 3, comprising: a first information sending module 31, configured to send keyboard handshake data including keyboard type data to the frequency converter; the information receiving and judging module 32 is configured to judge whether frequency converter handshake data including the frequency converter model data returned by the frequency converter is received within a preset time; the storage module 33 is used for storing functional parameter configuration tables corresponding to different types of frequency converters in advance; the identification module 34 is configured to identify the type of the frequency converter according to the frequency converter handshake data when receiving the frequency converter handshake data within a preset time, and call a corresponding function parameter configuration table to match the frequency converter; and the reminding module 35 is configured to determine that the frequency converter keyboard does not support the frequency converter and send a corresponding reminding signal when the frequency converter handshake data is not received or the model of the frequency converter is not identified within a preset time.
In this embodiment, the preferred reminding module includes a display unit, and the display unit not only determines that the frequency converter keyboard does not support the frequency converter, but also sends out a corresponding prompt signal; the model information of the frequency converter can be displayed after the identification module identifies the model of the frequency converter.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a frequency converter according to an embodiment of the present invention.
Correspondingly, an embodiment of the present invention further provides a frequency converter 4, including:
the information receiving and detecting module 41 is configured to detect whether keyboard handshake data including keyboard type data sent by a frequency converter keyboard is received;
and the second information sending module 42 is configured to send, when receiving the keyboard handshaking data, corresponding frequency converter handshaking data containing model information of the frequency converter to the frequency converter keyboard, so that the frequency converter keyboard can identify the model of the frequency converter.
When the frequency converter keyboard and the frequency converter are connected, the frequency converter keyboard sends keyboard handshaking data to the frequency converter, receives frequency converter handshaking data returned by the frequency converter, calls a corresponding correct function parameter configuration table to match the frequency converter, realizes automatic identification of the frequency converter keyboard to the frequency converter, ensures user parameter setting and function code correspondence, avoids the occurrence of disordered debugging parameters, and ensures normal setting of frequency converter parameters when parameter debugging is carried out on a target frequency converter. And when the model of the frequency converter cannot be identified, a corresponding prompt signal is sent, so that a user can replace other frequency converter keyboards, and the debugging time cost of the user is saved.
The frequency converter keyboard, the frequency converter and the frequency converter identification method provided by the invention are introduced in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the present invention and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A method for identifying a transducer used in a transducer keyboard, comprising:
sending keyboard handshake data containing keyboard type data to a frequency converter;
judging whether frequency converter handshake data containing the frequency converter model data returned by the frequency converter is received within preset time;
if so, identifying the type of the frequency converter according to the frequency converter handshake data, and calling a corresponding functional parameter configuration table to match the frequency converter;
if not, judging that the frequency converter keyboard does not support the frequency converter, and sending a corresponding prompt signal;
the process of judging whether the frequency converter handshake data containing the frequency converter model data returned by the frequency converter is received within the preset time specifically comprises the following steps:
if the frequency converter handshake data returned by the frequency converter is received within the preset time, and the frequency converter model data contained in the frequency converter handshake data is located in a functional parameter configuration table, it is determined that the frequency converter handshake data containing the frequency converter model data returned by the frequency converter is received within the preset time, otherwise, it is determined that the frequency converter handshake data containing the frequency converter model data returned by the frequency converter is not received within the preset time.
2. The method of claim 1, further comprising:
when the frequency converter handshake data are judged to be received within the preset time, calling frequency converter attribute information corresponding to the type of the frequency converter to be displayed on a display screen of a frequency converter keyboard;
judging whether the display time of the attribute information of the frequency converter reaches a preset display time threshold value or not;
and if so, switching the display interface of the display screen to a preset functional display interface.
3. The method according to claim 2, wherein when it is determined that the frequency converter handshake data is received within a preset time, invoking frequency converter attribute information corresponding to the type of the frequency converter to display on a display screen of the frequency converter keyboard, specifically:
and calling frequency converter image information corresponding to the type of the frequency converter to be displayed on a display screen of the frequency converter keyboard when the frequency converter handshake data is judged to be received within the preset time.
4. The method of claim 3, wherein said determining that the transducer keyboard does not support the transducer and issuing the corresponding alert signal comprises:
determining that the frequency converter keyboard does not support the frequency converter;
and calling preset matching error information to be displayed on a display screen of the frequency converter keyboard.
5. The method according to any one of claims 1 to 4, wherein the sending of keyboard handshake data containing keyboard type data to the frequency converter is:
and sending keyboard handshaking data containing keyboard type data to the frequency converter through the RS-485 interface.
6. A method for identifying a frequency converter, the method being used for the frequency converter and comprising:
detecting whether keyboard handshake data containing keyboard type data sent by a frequency converter keyboard is received;
when the keyboard handshaking data are received, sending corresponding frequency converter handshaking data containing the self model information of the frequency converter to the frequency converter keyboard so that the frequency converter keyboard can identify the model of the frequency converter;
wherein, the process of the signal of this converter of converter keyboard discernment includes:
judging whether frequency converter handshake data containing the frequency converter model data returned by the frequency converter is received within preset time;
if so, identifying the type of the frequency converter according to the frequency converter handshake data, and calling a corresponding functional parameter configuration table to match the frequency converter;
if not, judging that the frequency converter keyboard does not support the frequency converter, and sending a corresponding prompt signal:
the process of judging whether the frequency converter handshake data containing the frequency converter model data returned by the frequency converter is received within the preset time specifically comprises the following steps:
if the frequency converter handshake data returned by the frequency converter is received within the preset time, and the frequency converter model data contained in the frequency converter handshake data is located in a functional parameter configuration table, it is determined that the frequency converter handshake data containing the frequency converter model data returned by the frequency converter is received within the preset time, otherwise, it is determined that the frequency converter handshake data containing the frequency converter model data returned by the frequency converter is not received within the preset time.
7. The method of claim 6, further comprising:
and identifying the type of the frequency converter keyboard according to the keyboard handshaking data, and calling a corresponding communication processing mechanism to communicate with the frequency converter keyboard.
8. The method according to claim 7, wherein the identifying the type of the frequency converter keyboard according to the keyboard handshake data and invoking a corresponding communication processing mechanism to communicate with the frequency converter keyboard specifically are:
identifying whether the frequency converter keyboard is an LED keyboard or an LCD keyboard according to the keyboard handshaking data;
and calling a corresponding communication processing mechanism to communicate with the frequency converter keyboard according to the identification result.
9. A transducer keyboard, comprising:
the first information sending module is used for sending keyboard handshake data containing keyboard type data to the frequency converter;
the information receiving and judging module is used for judging whether frequency converter handshake data which are returned by the frequency converter and contain the frequency converter model data are received within preset time;
the storage module is used for pre-storing functional parameter configuration tables corresponding to different types of frequency converters;
the identification module is used for identifying the type of the frequency converter according to the frequency converter handshake data and calling a corresponding functional parameter configuration table to match the frequency converter when the frequency converter handshake data is received within the preset time;
the reminding module is used for judging that the frequency converter keyboard does not support the frequency converter and sending out a corresponding reminding signal when the frequency converter handshake data is not received within the preset time or the model of the frequency converter is not identified through the identification;
the information receiving and judging module judges whether the process of frequency converter handshake data containing the frequency converter model data returned by the frequency converter is received within the preset time, and the process specifically comprises the following steps:
if the frequency converter handshake data returned by the frequency converter is received within the preset time, and the frequency converter model data contained in the frequency converter handshake data is located in a functional parameter configuration table, it is determined that the frequency converter handshake data containing the frequency converter model data returned by the frequency converter is received within the preset time, otherwise, it is determined that the frequency converter handshake data containing the frequency converter model data returned by the frequency converter is not received within the preset time.
10. A frequency converter, comprising:
an information receiving and detecting module, configured to detect whether keyboard handshake data including keyboard type data sent by the frequency converter keyboard according to claim 9 is received;
and the second information sending module is used for sending corresponding frequency converter handshaking data containing the model information of the frequency converter to the frequency converter keyboard when the keyboard handshaking data are received so that the frequency converter keyboard can identify the model of the frequency converter.
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| CN201711329440.1A CN108169591B (en) | 2017-12-13 | 2017-12-13 | Frequency converter keyboard, frequency converter and frequency converter identification method |
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| CN201711329440.1A CN108169591B (en) | 2017-12-13 | 2017-12-13 | Frequency converter keyboard, frequency converter and frequency converter identification method |
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| CN111026002A (en) * | 2019-12-30 | 2020-04-17 | 浙江禾川科技股份有限公司 | Method, device and equipment for setting parameters of frequency converter and readable storage medium |
| CN113359014A (en) * | 2021-08-11 | 2021-09-07 | 深圳英集芯科技股份有限公司 | Fool-proof method and system for chip test |
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| CN103701471B (en) * | 2013-12-12 | 2017-07-04 | 深圳市英威腾电气股份有限公司 | A kind of frequency converter keyboard and read method |
| CN103744323B (en) * | 2013-12-20 | 2016-04-27 | 深圳市英威腾电气股份有限公司 | A kind of frequency converter keyboard |
| CN103728518B (en) * | 2014-01-13 | 2016-08-17 | 深圳市禾望电气股份有限公司 | Converter debugging system and method |
| CN104731579B (en) * | 2014-12-31 | 2018-02-02 | 深圳市英威腾电气股份有限公司 | A kind of frequency converter keyboard and converter parameter copy method |
| CN104617958B (en) * | 2014-12-31 | 2018-05-22 | 深圳市英威腾电气股份有限公司 | A kind of frequency converter keyboard recognition methods |
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