CN113126558A - PLC simulation system and simulation method thereof - Google Patents
PLC simulation system and simulation method thereof Download PDFInfo
- Publication number
- CN113126558A CN113126558A CN201911393140.9A CN201911393140A CN113126558A CN 113126558 A CN113126558 A CN 113126558A CN 201911393140 A CN201911393140 A CN 201911393140A CN 113126558 A CN113126558 A CN 113126558A
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- Prior art keywords
- plc
- module
- simulation
- analog
- simulation system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14054—Self test
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention discloses a PLC simulation system and a simulation method thereof, the PLC simulation system comprises a speed simulation module, a voltage simulation module, a coupling module, a tested PLC analog input module, a PLC master control system, a control object, a local PLC, a precision analog generation device, an output module and a control module, a master controller module of the PLC master control system is connected with the coupling module of the PLC master control system through a TCP, the coupling module is connected with the tested PLC analog input module through a guide rail, the speed simulation module receives analog from the input module and simulates the speed of a frequency converter, the control module controls the operation of the modules, the simulation system has more ideal judgment effect, does not generate data deviation, can simulate real PLC equipment in real time through the system, reduces the occurrence of dangerous factors, does not occupy land area, and is worthy of being popularized in a large range.
Description
Technical Field
The invention relates to the technical field of PLC control, in particular to a PLC simulation system and a simulation method thereof.
Background
The internal working mode of the PLC generally adopts a circular scanning working mode, and an interrupt working mode is added in some large and medium-sized PLCs. After the user debugs the user program, the program is written into the PLC memory through the programmer, the field input signal and the controlled executing element are connected to the input end of the input module and the output end of the output module correspondingly, the PLC mode is then selected as the running mode, the subsequent work is completed by the PLC according to the user program, and the right diagram is the PLC executing process block diagram. The PLC mainly completes the processing of six modules in the working process
At present, a PLC system is operated with low precision, occupied land area and low efficiency, and therefore, a PLC simulation system and a simulation method thereof are provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the following technical scheme: the PLC simulation system comprises a speed simulation module, a voltage simulation module, a coupling module, a tested PLC analog input module, a PLC master control system, a control object, a local PLC, a precision analog generation device, an output module and a control module.
Preferably, a main controller module of the PLC master control system is connected with a coupling module of the PLC master control system through a TCP, and the coupling module is connected with the tested PLC analog input module through a guide rail.
Preferably, the input module controls input of analog quantities of current and voltage.
Preferably, the speed simulation module receives the analog quantity from the input module and simulates the speed of the frequency converter.
Preferably, the current analog module receives an analog quantity from the input module and simulates the current generated by the frequency converter.
Preferably, the PLC simulation system is also provided with a PLC automatic assembly test system which is arranged on the PC and is connected with a main controller module of the PLC main control system through TCP.
Preferably, the output module outputs a simulation result;
preferably, the control module controls the operation of the above modules.
Compared with the prior art, the invention has the following beneficial effects: according to the PLC simulation system and the simulation method thereof, the simulation system is more ideal in judgment effect, data deviation can not occur, real PLC equipment can be simulated in real time through the simulation system, the occurrence of dangerous factors is reduced, meanwhile, the occupied land area is not occupied, and the simulation system is worthy of being popularized in a large range.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The PLC simulation system comprises a speed simulation module, a voltage simulation module, a coupling module, a tested PLC analog input module, a PLC master control system, a control object, a local PLC, a precision analog generation device, an output module and a control module.
And a main controller module of the PLC master control system is connected with a coupling module of the PLC master control system through a TCP, and the coupling module is connected with the tested PLC analog input module through a guide rail.
The input module controls input of analog quantities of current and voltage.
The speed simulation module receives the analog quantity from the input module and simulates the speed of the frequency converter.
The current analog module receives analog quantity from the input module and simulates current generated by the frequency converter.
The PLC simulation system is also provided with a PLC automatic assembly test system which is arranged on the PC and is connected with a main controller module of the PLC main control system through TCP.
The output module outputs a simulation result;
the control module controls the operation of the modules.
Example 1
When the PLC simulation system is operated, the PLC simulation system comprises a speed simulation module, a voltage simulation module, a coupling module, a tested PLC analog input module, a PLC master control system, a control object, a local PLC, a precision analog generation device, an output module and a control module, wherein a master controller module of the PLC master control system is connected with the coupling module of the PLC master control system through a TCP, the coupling module is connected with the tested PLC analog input module through a guide rail, the input module controls the input of analog quantity of current and voltage, the speed simulation module receives the analog quantity from the input module and the speed of an analog frequency converter, the current simulation module receives the analog quantity from the input module and the current generated by the analog frequency converter, the PLC simulation system also comprises a PLC automatic chemical industry installation testing system which is installed on a PC machine and is connected with the master controller module of the PLC master control system through the TCP, the output module outputs a simulation result; the control module controls the operation of the modules.
Example 2
The PLC simulation system comprises a speed simulation module, a voltage simulation module, a coupling module, a tested PLC analog input module, a PLC master control system, a control object, a local PLC, a precision analog generation device, an output module and a control module.
And a main controller module of the PLC master control system is connected with a coupling module of the PLC master control system through a TCP, and the coupling module is connected with the tested PLC analog input module through a guide rail.
The input module controls input of analog quantities of current and voltage.
The speed simulation module receives the analog quantity from the input module and simulates the speed of the frequency converter.
The current analog module receives analog quantity from the input module and simulates current generated by the frequency converter.
The PLC simulation system is also provided with a PLC automatic assembly test system which is arranged on the PC and is connected with a main controller module of the PLC main control system through TCP.
The output module outputs a simulation result;
the control module controls the operation of the modules.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
- The PLC simulation system is characterized by comprising a speed simulation module, a voltage simulation module, a coupling module, a tested PLC analog input module, a PLC master control system, a control object, a local PLC, a precision analog generation device, an output module and a control module.
- 2. The PLC simulation system of claim 1, wherein: and a main controller module of the PLC master control system is connected with a coupling module of the PLC master control system through a TCP, and the coupling module is connected with the tested PLC analog input module through a guide rail.
- 3. The PLC simulation system of claim 1, wherein: the input module controls input of analog quantities of current and voltage.
- 4. The PLC simulation system of claim 1, wherein: the speed simulation module receives the analog quantity from the input module and simulates the speed of the frequency converter.
- 5. The PLC simulation system of claim 1, wherein: the current simulation module receives analog quantity from the input module and simulates current generated by the frequency converter.
- 6. The PLC simulation system of claim 1, wherein: the PLC simulation system is also provided with a PLC automatic assembly test system which is arranged on the PC and is connected with a main controller module of the PLC main control system through TCP.
- 7. The PLC simulation system of claim 1, wherein: and the output module outputs a simulation result.
- 8. The PLC simulation system of claim 1, wherein: the control module controls the operation of the modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911393140.9A CN113126558A (en) | 2019-12-30 | 2019-12-30 | PLC simulation system and simulation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911393140.9A CN113126558A (en) | 2019-12-30 | 2019-12-30 | PLC simulation system and simulation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113126558A true CN113126558A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911393140.9A Pending CN113126558A (en) | 2019-12-30 | 2019-12-30 | PLC simulation system and simulation method thereof |
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| CN (1) | CN113126558A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878905A (en) * | 2022-05-12 | 2022-08-09 | 江苏俱创电子科技有限公司 | High-precision PLC analog input module tool testing method and system |
-
2019
- 2019-12-30 CN CN201911393140.9A patent/CN113126558A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878905A (en) * | 2022-05-12 | 2022-08-09 | 江苏俱创电子科技有限公司 | High-precision PLC analog input module tool testing method and system |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210716 |
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| WD01 | Invention patent application deemed withdrawn after publication |