CN101907872A - Programmable logic application controller - Google Patents
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- CN101907872A CN101907872A CN2010102574587A CN201010257458A CN101907872A CN 101907872 A CN101907872 A CN 101907872A CN 2010102574587 A CN2010102574587 A CN 2010102574587A CN 201010257458 A CN201010257458 A CN 201010257458A CN 101907872 A CN101907872 A CN 101907872A
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Abstract
The invention discloses a programmable logic application controller, relates to the technical field of industrial controllers and aims at solving the technical problem that the existing controller can not take into account command function, real-time response speed, development efficiency, using difficulty and portability. The controller comprises a central processing module, an input interface module, an output interface module, an upper computer programming module, a user program storage module, a system program storage module, a communication module and a power supply management module, wherein the input end of the central processing module is connected with the input interface module, the output end is connected with the output interface module, a communication interface is connected to the input interface module via the communication module, a programming interface is connected with the upper computer programming module and the output interface module, a control input interface is connected with the system program storage module, and a data exchange interface is connected with the user program storage module; and an embedded type real-time multi-task operating system is built in the system program storage module. The controller can lead the programming to be flexible, intuitive and easy to learn.
Description
Technical field
The present invention relates to the technology of industrial control unit (ICU), particularly relate to a kind of technology of programmable logic application controller.
Background technology
Existing industrial control unit (ICU) mainly contains the PLC(programmable logic controller (PLC)), PAC(automation controller able to programme) and PC Based(computer industry controller).Wherein, therefore PLC has obtained widespread use because the reliability height uses difficulty low, and command function is weak, real time response speed is slow, development efficiency low and the defective of portable difference but PLC has; PAC has the reliability height, the advantage that command function is strong, development efficiency is high, real time response speed is fast, but the use difficulty of PAC is higher, and portability is also general; PC Based has the advantage that command function is strong, development efficiency is high, portability is good, but the reliability of PC Based is general, use difficulty also higher, and real time response speed is slower.
Summary of the invention
At the defective that exists in the above-mentioned prior art, technical matters to be solved by this invention provides a kind of reliability height, command function is strong, real time response speed is fast, development efficiency is high, use lower, the portable good programmable logic application controller of difficulty.
In order to solve the problems of the technologies described above, a kind of programmable logic application controller provided by the present invention is characterized in that: comprise central processing module, input interface module, output interface module, host computer programming module, user program memory module, system program memory module, communication module and power management module;
Described central processing module is provided with a plurality of input ends, a plurality of output terminal, communication interface, DLL (dynamic link library), control input interface and data exchange interface, the signal output part of its control input interface connected system program storage block, its data exchange interface connects the data exchange interface of user program memory module;
The input end of described power management module connects external power source, and its output terminal connects the feeder ear of each module respectively;
Described input interface module is provided with screw-type communication connection terminal, and with the corresponding a plurality of screw-type input wires terminals of input end of central processing module, each screw-type input wires terminal is connected respectively to each input end of central processing module through signal indicating circuit;
Described output interface module is provided with screw-type programming connection terminal, and with the corresponding a plurality of screw-type output wiring terminals of output terminal of central processing module, each screw-type output wiring terminal is connected respectively to each output terminal of central processing module through signal indicating circuit;
The communication interface of described central processing module is connected to screw-type communication connection terminal on the input interface module through communication module, and its DLL (dynamic link library) connects the screw-type programming connection terminal on host computer programming module and the output interface module;
Be built-in with embedded real-time multi-task operating system in the described system program memory module.
Further, described central processing module is that model is 32 ARM type processor chips of LPC2214.
Programmable logic application controller provided by the invention, inherited the independent complete machine structure of conventional programmable controller, adopt the connection of screw-type connection terminal and show input/output signal by signal indicating circuit, this wiring one to one and display mode, directly perceived simple and clear, make things convenient for Site Design, maintainer to carry out rapid failure diagnosis; And in the system program memory module, be built-in with embedded real-time multi-task operating system, the combination of this embedded chip and embedded real-time multi-task operating system, its reliability will be higher than the PC Based system based on WINDOWS, and instruction easily-learned easily mastered, programming flexibly, readable strong, just can realize tens of traditional Programmable Logic Controllers or tens functions that instruction just can be finished with several statements, and can provide or by the User Defined functional unit block, has good portability, made things convenient for the renewal upgrading of system, directly reduced software development cost, and command function is strong, the development efficiency height, use difficulty lower; On programming mode, the present invention has abandoned traditional single task systemic circulation inquiry scan mode, under the support of kernel operations system, taked the multi-task scheduling modular structure, so not only simplified user program, clear user program structure, and accelerated the real-time response ability of system.
Description of drawings
Fig. 1 is the structured flowchart of the programmable logic application controller of the embodiment of the invention;
Fig. 2 is the circuit diagram of the programmable logic application controller of the embodiment of the invention;
Fig. 3 is the logical organization block diagram that is built in the embedded real-time multi-task operating system in the system program memory module in the programmable logic application controller of the embodiment of the invention;
Fig. 4 is the operational flow diagram that is built in the embedded real-time multi-task operating system in the system program memory module in the programmable logic application controller of the embodiment of the invention;
Fig. 5 is the input in the embedded real-time multi-task operating system that is built in the programmable logic application controller of the embodiment of the invention in the system program memory module, the operational flow diagram of output scanning refurbishing procedure;
Fig. 6 is the operational flow diagram that the user in the embedded real-time multi-task operating system that is built in the programmable logic application controller of the embodiment of the invention in the system program memory module uses edit routine;
Fig. 7 is the system monitoring in the embedded real-time multi-task operating system that is built in the programmable logic application controller of the embodiment of the invention in the system program memory module and the operational flow diagram of reset routine.
Embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
As Fig. 1-shown in Figure 2, a kind of programmable logic application controller that the embodiment of the invention provided, it is characterized in that: comprise central processing module U5, input interface module U1, output interface module U2, host computer programming module J12, user program memory module U4, system program memory module U6, communication module, and power management module U8, U9;
Described central processing module U5 is provided with a plurality of input ends, a plurality of output terminal, communication interface, DLL (dynamic link library), control input interface and data exchange interface, the signal output part of its control input interface connected system program storage block U6, its data exchange interface connects the data exchange interface of user program memory module U4;
The input end of described power management module U8, U9 connects external power source, and the output terminal of U8, U9 connects the feeder ear of each module respectively;
Described input interface module U1 is provided with screw-type communication connection terminal, and with the corresponding a plurality of screw-type input wires terminals of input end of central processing module U5, each screw-type input wires terminal is connected respectively to each input end of central processing module U5 through signal indicating circuit;
Described output interface module U2 is provided with screw-type programming connection terminal, and with the corresponding a plurality of screw-type output wiring terminals of output terminal of central processing module U5, each screw-type output wiring terminal is connected respectively to each output terminal of central processing module U5 through signal indicating circuit;
The communication interface of described central processing module U5 is connected to screw-type communication connection terminal on the input interface module U1 through communication module, and its DLL (dynamic link library) connects the screw-type programming connection terminal on host computer programming module J12 and the output interface module U2;
Be built-in with embedded real-time multi-task operating system among the described system program memory module U6.
In the embodiment of the invention, described input interface module U1 is that model is the interface chip of MAX7128, described output interface module U2 is that model is the interface chip of MAX7128, described central processing module U5 is that model is 32 ARM type processors (CPU) chip of LPC2214, described user program memory module U4 is that model is storage at random (RAM) chip of W24L010A, described system program memory module U6 is that model is the read-only storage of erasable programmable (EPROM) chip of AT24C64, described communication module is that model is the communication chip of MAX202, described power management module U8 is that model is the power supply chip of LT1117-1.8, and U9 is that model is the power supply chip of LT1117-3.3.
As shown in Figure 3, in the embodiment of the invention, built-in embedded real-time multi-task operating system comprises that RTOS Kernel system kernel, user use edit routine, input scan refurbishing procedure, output scanning refurbishing procedure, system supervisor, system monitoring and reset routine, user application among the described system program memory module U6.
As shown in Figure 4, the workflow of the embodiment of the invention is as follows:
Carry out the configuration of system initialization and parameters after built-in embedded real-time multi-task operating system brings into operation in the system program memory module according to the order of sequence, set up user task and priority level, startup multi-task scheduling device, whether detect then has in the task queue and need execute the task, if no task is carried out and then carried out idle task, when need carrying out, the task of having detected carries out user task according to the order of sequence.
As shown in Figure 5, when built-in embedded real-time multi-task operating system needs I/O scan in the system program memory module when executing the task, promptly start input scan refurbishing procedure or output scanning refurbishing procedure, carry out earlier the configuration of system initialization and parameters, the definition of IO channel number of endpoint behind the program start according to the order of sequence, detecting input signal scanning or output signal then refreshes, scan or refresh the back that finishes and read in data, to the delivery outlet write command from the input port.
As shown in Figure 6, when built-in embedded real-time multi-task operating system need use the user to use edit routine when executing the task in the system program memory module, promptly start the user and use edit routine, carry out earlier the configuration of system initialization and parameters behind the program start according to the order of sequence, set up the user engineering project, set up the compiles user task program, the compiling user program code, download object code to target controller, on-line monitoring debug user programs then, when the debugging pass through fully after with program Solidification in the system program memory module.
As shown in Figure 7; when built-in embedded real-time multi-task operating system needs using system monitoring and reset routine in the system program memory module when executing the task; be start-up system monitoring and reset routine; carry out the configuration of system initialization and parameters behind the program start earlier; detection system voltage has not unusual successively then; system temperature has not unusual; system program has not unusual; have and send system protection and electric voltage exception alerting signal when unusual when detecting system voltage; have and send system protection and temperature anomaly warning alerting signal when unusual when detecting system temperature, the system that the sends when unusual signal that automatically resets is arranged when detecting system program.
Claims (2)
1. a programmable logic application controller is characterized in that: comprise central processing module, input interface module, output interface module, host computer programming module, user program memory module, system program memory module, communication module and power management module;
Described central processing module is provided with a plurality of input ends, a plurality of output terminal, communication interface, DLL (dynamic link library), control input interface and data exchange interface, the signal output part of its control input interface connected system program storage block, its data exchange interface connects the data exchange interface of user program memory module;
The input end of described power management module connects external power source, and its output terminal connects the feeder ear of each module respectively;
Described input interface module is provided with screw-type communication connection terminal, and with the corresponding a plurality of screw-type input wires terminals of input end of central processing module, each screw-type input wires terminal is connected respectively to each input end of central processing module through signal indicating circuit;
Described output interface module is provided with screw-type programming connection terminal, and with the corresponding a plurality of screw-type output wiring terminals of output terminal of central processing module, each screw-type output wiring terminal is connected respectively to each output terminal of central processing module through signal indicating circuit;
The communication interface of described central processing module is connected to screw-type communication connection terminal on the input interface module through communication module, and its DLL (dynamic link library) connects the screw-type programming connection terminal on host computer programming module and the output interface module;
Be built-in with embedded real-time multi-task operating system in the described system program memory module.
2. programmable logic application controller according to claim 1 is characterized in that: described central processing module is that model is 32 ARM type processor chips of LPC2214.
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| CN2010102574587A CN101907872A (en) | 2010-08-19 | 2010-08-19 | Programmable logic application controller |
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| CN2010102574587A CN101907872A (en) | 2010-08-19 | 2010-08-19 | Programmable logic application controller |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637009A (en) * | 2012-04-25 | 2012-08-15 | 山东省计算中心 | Online programmable controller and implementation method thereof |
| CN106469104A (en) * | 2016-08-31 | 2017-03-01 | 无锡市同步电子科技有限公司 | A kind of multichannel PCB coupling assembly test device |
| CN106997182A (en) * | 2016-01-25 | 2017-08-01 | 北京华阳利民仪器有限公司 | It is a kind of to be used for the programmable control method of single-chip microcomputer or PC |
| CN108227629A (en) * | 2017-12-29 | 2018-06-29 | 浙江众邦机电科技有限公司 | Control method/system, readable storage medium storing program for executing and the electronic equipment of electronic equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637009A (en) * | 2012-04-25 | 2012-08-15 | 山东省计算中心 | Online programmable controller and implementation method thereof |
| CN106997182A (en) * | 2016-01-25 | 2017-08-01 | 北京华阳利民仪器有限公司 | It is a kind of to be used for the programmable control method of single-chip microcomputer or PC |
| CN106997182B (en) * | 2016-01-25 | 2019-04-23 | 北京华阳利民仪器有限公司 | It is a kind of for single-chip microcontroller or the programmable control method of PC machine |
| CN106469104A (en) * | 2016-08-31 | 2017-03-01 | 无锡市同步电子科技有限公司 | A kind of multichannel PCB coupling assembly test device |
| CN108227629A (en) * | 2017-12-29 | 2018-06-29 | 浙江众邦机电科技有限公司 | Control method/system, readable storage medium storing program for executing and the electronic equipment of electronic equipment |
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Application publication date: 20101208 |