CN106707888B - Programmable control module and system, control method with the control module - Google Patents
Programmable control module and system, control method with the control module Download PDFInfo
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- CN106707888B CN106707888B CN201710084389.6A CN201710084389A CN106707888B CN 106707888 B CN106707888 B CN 106707888B CN 201710084389 A CN201710084389 A CN 201710084389A CN 106707888 B CN106707888 B CN 106707888B
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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
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
The invention discloses programmable control module and the system with the control module, control method; programmable control module includes: PCB substrate; it is equipped in the PCB substrate: microcontroller, scanning of a display unit, audio communication prompt unit, temperature protection unit and clock unit; the microcontroller, to adjust, control above-mentioned component；The scanning of a display unit, to Dynamically Announce operating parameter on a display screen；The audio communication prompt unit, to carry out voice signal prompt；The temperature protection unit, temperature when to monitoring；The clock unit, to timing, power-off protection；It further include a power management module, to be powered to the programmable control module；It further include a communication interface, to be communicated with external bus.The present invention saves additional development cost, simplifies the upgrading of product by the way that general component to be integrated into a PCB substrate.
Description
Technical field
The present invention relates to controller fields, the in particular to system of control module and control with the control module.
Background technique
Controller (controller), which refers to, to be changed the wiring of main circuit or control circuit according to predetermined order and changes electricity
Resistance value enables device to control starting, speed regulation, braking and reversely main of motor in road.By program counter, order register
Device, command decoder, clock generator and operation controller composition, it is publication order " policy-making body ", that is, completes to coordinate
With the operation for commanding entire computer system.
In general, controller needs to have following function:
Data buffering since the rate of I/O equipment is lower and the rate of CPU and memory is very high, therefore in the controller must
It must one buffer of setting.In output, the data transmitted by host high speed are kept in this buffer, then just with I/O equipment institute
The rate having gives the data transmission in buffer to I/O equipment；In input, buffer is then used to keep in and send from I/O equipment
The data come, it is waiting receive batch of data after, then send the data high-speed in buffer to host.
Error Control, device controller also be concurrently in charge of to by I/O equipment transmission come data progress error detection.If it was found that passing
Occur mistake in sending, usually by error detecting code set, and is reported to CPU, then CPU makees the data that this transmission comes
It is useless, and re-start primary transmission.It can guarantee the correctness of data input in this way.
Data exchange, this refers to the data exchange realized between CPU and controller, between controller and equipment.For preceding
Person is concurrently to write the data to controller by CPU, or data are concurrently read from controller by data/address bus；For
The latter is that equipment enters data into controller, or sends equipment to from controller.For this purpose, data must be arranged in the controller
Register.
The state that the state controller of state description, mark and reporting device should write down equipment understands for CPU.For example, only
When the equipment is in ready for sending state, CPU could start controller and read data from the device.For this purpose, in the controller
One status register should be set, a certain state of equipment is reflected with each of these position.When CPU is by the content of the register
After reading, the state of the equipment can be understood.
Order is received and recognized, CPU can send a variety of different orders to controller, and device controller should be able to receive simultaneously
Identify these orders.For this purpose, there should be corresponding control register in the controller, it is used to store received order and parameter,
And the received order of institute is decoded.For example, Magnetic Disk Controler can receive Read, Write, Format etc. that CPU is sent
15 different orders, and some orders also have parameter；Correspondingly, there are multiple registers and order in Magnetic Disk Controler
Decoder etc..
Address Recognition, just as each of memory unit has an address, each of system equipment
There is an address, and device controller must be capable of identify the address for each equipment that it is controlled.In addition, to make CPU
Write-in (or reading) data, these registers can should all have unique address into (or from) register.
Currently, more typically type is microcontroller i.e. MCU to one of controller, by by ROM, RAM, CPU, I/O collection
It closes in the same chip, does various combination control for different applications.
PLC controller, PLC are general purpose controller, programmable logic controller (PLC) (Programmable Logic
Controller, abbreviation PLC), a kind of digital electronic device with microprocessor, the Digital Logic control for automation control
Control instruction can be loaded storage in memory at any time and executed by device processed.Programmable controller is by innernal CPU, instruction and data
The units institute such as memory, input-output unit, power supply mould group, digital simulation modularity is combined into, and is current automation application field
One of " widest controller ".Currently, PLC controller is widely used in current industrial control field.In programmable logic
Before controller occurs, generally to use hundreds of relay and counter that could form with the same function automatic
Change system, and it is present, and the simple programmable logic controller module by programming has substantially been filled instead of these large sizes
It sets.The system program of programmable logic controller (PLC) is initialized generally before factory to be finished, and user can be according to oneself need
To meet different automated production requirements from the corresponding user program of edlin.
But due to PLC controller, because its volume, the mode of connection, combination, usage mode are restricted；Except this
Except, PLC usually requires just to can be used by PLC special-purpose software in technical aspect, since PLC product versatility is high, causes
The defects of product researched and developed easily is imitated, is copied.
PLC controller at least will include: power supply, and the power supply of PLC plays a very important role in the entire system.If
None good, reliable power-supply system can not work normally, and general AC voltage fluctuations are in+10% (+15%)
In range, other measures can not be taken and PLC is directly connected to AC network up.CPU is the control axis of PLC.It
The user program keyed in from programmable device and data are received and stored according to the function that PLC system program assigns；Check power supply, storage
Device, I/O and the state for guarding against timer, and the syntax error in user program can be diagnosed.When PLC puts into operation, first
It receives the state and data of each input unit in scene in a manner of scanning, and is stored in I/O image area respectively, then from user's journey
User program is read one by one in sequence memory, executes the result of logic or arithmetic operator by the regulation of instruction after command interpretation
It is sent into I/O image area or data register.After being finished etc. all user programs, finally by each of I/O image area
Data transmission in output state or output register is to corresponding output device, such circular flow, until out of service.It deposits
The memory of reservoir, storage system software is known as system program memory, and the memory for storing application software is known as user program
Memory.Input/output interface circuit, input interface circuit of the live input interface circuit by optically coupled circuit and microcomputer, effect
It is the input channel of the connection interface of PLC and field control.Live output interface circuit is by output data register, gating circuit
With interrupt requests circuit integration, acts on PLC and pass through execution unit output corresponding control of the live output interface circuit to scene
Signal.Functional module, such as count, positioning functional module.Communication module, as Ethernet, RS485, Profibus-DP communicate mould
Block etc..
Summary of the invention
How the technical problem to be solved by the present invention is to provide using the integrated of general performance circuit, researching and developing other products
When can greatly reduce research and development cost, while the programmable control convenient for later maintenance, upgrading individual module, without influencing integrated circuit
Molding block.
In addition, programmable control module by universal circuit it is intensive it is integrated together, completed using two-sided paster technique
Board production processing；When researching and developing other products, it is only necessary to research and develop functional circuit, interface circuit.
Above-mentioned technical problem is solved, the present invention provides programmable control modules, comprising: PCB substrate, the PCB substrate
On be equipped with: microcontroller, scanning of a display unit, audio communication prompt unit, temperature protection unit and clock unit,
The microcontroller, to adjust, control above-mentioned component；
The scanning of a display unit, to Dynamically Announce operating parameter on a display screen；
The audio communication prompt unit, to carry out voice signal prompt；
The temperature protection unit, temperature when to monitoring；
The clock unit, to timing, power-off protection；
It further include a power management module, to be powered to the programmable control module；
It further include a communication interface, to be communicated with external bus.
The microcontroller includes but is not limited to arithmetic unit and controller, and all operationss performed by arithmetic unit are all by controlling
The control signal that device issues is commanded, also, an arithmetical operation generates operation result, a logical operation generation one
A judgement.
Further, programmable control module further include: TTL signal interface is used as from the microcontroller to group
The TTL data-signal of output is transferred directly to defeated people's interface of liquid crystal display panel through cable.
Further, programmable control module further include: serial ports turns parallel port unit, turns serial communication signal to provide
Turn to interface/chip of Parallel Interface Communication signal.
Further, programmable control module further include: one expands I/O interface, and one end is connect with microcontroller, the other end
It is connect with external equipment and/or memory.
Further, it is defeated to be also configured to the signal acquisition to a switching value controller, switching value for programmable control module
Out,
Switch acquisition mode is configured,
Under above-mentioned switch acquisition mode, configures switch acquisition feature board (such as optical coupling isolation circuit) and terminal connects
Oralia, and the acquisition feature board is introduced signals by the terminal interface plate, to by external signal and internal signal
By Phototube Coupling, Signal Pretreatment, signal shaping,
It is sent by board to board connector to the programmable control module and carries out logical process.
Further, programmable control module is also configured to the control to a signal communication adapter, signal processing,
Communications adapter mode is configured,
Under above-mentioned communications adapter mode, communications adapter feature board is configured, adapter functions plate is to believe outside
It number is protected with the level conversion of internal signal, communication security and the task of signal shaping,
Signal docks after above-mentioned pretreatment, through board to board connector with programmable control module, PLC technology
Microcontroller in module cooperates communications adapter feature board, external interface board, and internal/external signal is introduced or drawn by terminal
And it handles.
For example, the IO of the microcontroller as low level input port, exports high level by adapter functions plate, realizes electricity
Flat conversion.For example, signal shaping realizes digital-to-analogue conversion by RC, oscillating circuit.
Further, programmable control module is also configured to the control to motor driving motion controller, at signal
Reason,
Programmable control module directly controls current parameters, directioin parameter, rotary speed parameter, guarantor in motor drive controller
Data are protected, and to motor real-time control and monitoring,
In said motor drive control device, it is equipped with DAC D/A converting circuit and pulse shaper, programmable control molding
Digital signal of the block by I/O mouthfuls, board to board connector connect with motor driving motion controller, and implement to control.It is (optional
Ground, specific control logic are worked out private code and are realized according to user demand)
Further, programmable control module is also configured to the control to a man-machine dialog interface controller, at signal
Reason,
Programmable control module is as processing unit, in man-machine dialog interface controller, to the finger by CAN bus
It enables and does relay process with man-machine interface, push button signalling input and output；
Programmable control module is parsed the touching signals of scanning of a display unit by serial ports, then by total
Line is sent to other performers；
It by key pressing or lifts signal also and will be carried out by nucleus module and pre-process and parsed by logical requirements, after parsing
It is equally instruction by power and energy, is sent to other bus performers.
The present invention also provides the systems with programmable control module, comprising: host computer, CAN protocol bus and such as
The programmable control module,
The host computer is connect by the CAN protocol bus with the programmable control module,
The programmable control module is connect with CAN protocol bus, to receive bus communication signal, and in the micro-control
It is adjusted, controls in device processed, and complete CAN networking by 2 line CAN protocol buses and carry out Web control；
The programmable control module is connect with a functional module, to execute at least one movement and/or then switching value
Control function；
The functional module is connect by an interface board with terminal device, to connect with external wiring terminal and/or communication
Mouth establishes connection；
The programmable control module further includes a wireless transport module, to establish wireless self-networking.
The invention also includes a kind of control method, using in the programmable control module, comprising steps of
Pretreatment: configuration feature plate and interface board,
S1 System self-test
Check whether display circuit shows normally,
Check whether working power is normal,
Check whether symbol is adjusted module peripheral temperature environment,
S2 Network Check
Check whether CAN communication is normal,
Check whether online submodule can establish handshaking information,
Global reset is sent by CAN bus to await orders information,
S3 functional check
It executes all modules on network and presses warm-up condition movement,
Belt switch module, ADC, encoder module carry out feedback inspection,
Function logic is first carried out in advance,
S4 executes logic function operation
Input and output control is executed by user program,
S5 abnormality processing
Order is executed by abnormal logic after appearance exception.
Core board needs networking to use after configuration feature plate, interface board, (single machine using need under specific function or
Special product use), hardware module is according to required networking.
Beneficial effects of the present invention:
Programmable control module in the present invention is equipped with: micro-control due to including: PCB substrate in the PCB substrate
Device, scanning of a display unit, audio communication prompt unit, temperature protection unit and clock unit processed, the microcontroller, to adjust
It saves, control above-mentioned component；The scanning of a display unit, to Dynamically Announce operating parameter on a display screen；The audio communication
Prompt unit, to carry out voice signal prompt；The temperature protection unit, temperature when to monitoring；The clock
Unit, to timing, power-off protection；It further include power management module, to be powered to the programmable control module；Also
Including communication interface, to be communicated with external bus.By the way that general component to be integrated into a PCB substrate, save
Additional development cost simplifies the upgrading of product.
Programmable control module in the present invention, in design compact, high integration, only matchbox size
Nearly 80 multiple element is integrated on PCB.In addition, PCB is completed using two-sided paster technique, module collection " power supply, processor, display
Processing, temperature self-checking, audio communication prompt, perpetual calendar clock IC are in one "；When designing other products, it is only necessary to simple peripheral circuit
The research and development of integral product can be completed, can be light as long as it is constant to guarantee that interface defines when future upgrading new product substitutes old product
It is readily accomplished new product upgrading.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of programmable control module of the invention；
Fig. 2 (a) is the microcontroller circuit schematic diagram in Fig. 1；
Fig. 2 (b) is the microcontroller circuit schematic diagram in Fig. 1；
Fig. 3 (a), Fig. 3 (b) are the scanning of a display element circuit schematic diagrams in Fig. 1；
Fig. 4 is the audio communication prompt unit circuit diagram in Fig. 1；
Fig. 5 is the temperature protection element circuit schematic diagram in Fig. 1；
Fig. 6 is the clock unit circuit diagram in Fig. 1；
Fig. 7 is the power management module circuit diagram in Fig. 1；
Fig. 8 is communication interface circuit schematic diagram in Fig. 1；
Fig. 9 is the system structure diagram that the present invention has programmable control module；
Figure 10 is control method flow diagram；
Figure 11 is the programmable control module positive structure schematic in one embodiment of the invention；
Figure 12 is the programmable control module structure schematic diagram in one embodiment of the invention.
Specific embodiment
The principle of the disclosure is described referring now to some example embodiments.It is appreciated that these embodiments are merely for saying
It is bright and help it will be understood by those skilled in the art that with the purpose of the embodiment disclosure and describe, rather than suggest the model to the disclosure
Any restrictions enclosed.Content of this disclosure described herein can be implemented in the various modes except mode described below.
As described herein, term " includes " and its various variants are construed as open-ended term, it means that " packet
It includes but is not limited to ".Term "based" is construed as " being based at least partially on ".Term " one embodiment " it is understood that
For " at least one embodiment ".Term " another embodiment " is construed as " at least one other embodiment ".
It is appreciated that PCB substrate in this application, is the basic material for manufacturing PCB, under normal circumstances, substrate is exactly
Copper-clad laminate, single, double surface printed board are selectively to carry out hole on baseplate material-copper-clad laminate during manufacturing
The processing such as processing, electroless copper, electro-coppering, etching, obtains required circuitous pattern.The manufacture of another kind of multilayer board, and
Using the slim copper coated foil plate of inner core as base, conductive pattern layer is alternately sticked together through disposable lamination with prepreg,
Form 3 layers or more conductive pattern interlayer interconnection.It has the function of three aspects of conductive, insulation and support.It is specific to weld first device
When part, reference can be made to " electronic component welding standard " welds component.
It is appreciated that microcontroller (MCU) in this application can classify from different aspect: according to wide data bus
Degree can be divided into 8,16 and 32 machines；Harvard structure and Von Neumann structure can be divided into according to memory construction；Root
OTP, exposure mask, EPROM/EEPROM and flash memory Flash can be divided into according to the classification of embedded program memory；Again may be used according to order structure
It is divided into CISC (Complex Instruction Set Computer) and RISC (Reduced Instruction Set
Computer) microcontroller.
Switching value in the application, including but not limited to: switching value is on-off signal, passive signal, and the resis tance method of surveying is
Resistance 0 or infinity；It is also possible to active signal, professional call is step signal, is exactly 0 or 1, it is possible to understand that at pulsed quantity,
Multiple switch amount can form digital quantity.Digital quantity: the signal type being made of 0 and 1, it is usually regular after coding
Signal.Relationship with analog quantity is the analog quantity after quantization.Analog quantity: continuous voltage, the semaphores such as electric current, analog signal
It is the signal of amplitude consecutive variations at any time, is exactly digital quantity after oversampling and quantization.Pulsed quantity: in transient voltage or electricity
Stream is jumped to the semaphore of another value by a certain value.After quantization, the variation of continuous rule is exactly digital quantity, if it is by 0
Become a certain fixed value and remain unchanged, is exactly switching value.
Please refer to the structural schematic diagram that Fig. 1 is programmable control module of the invention, programmable control module 100, comprising:
PCB substrate is equipped in the PCB substrate: microcontroller 1, scanning of a display unit 5, audio communication prompt unit 2, temperature protection
Unit 3 and clock unit 4, the microcontroller 1, to adjust, control above-mentioned component；The scanning of a display unit 5,
To Dynamically Announce operating parameter on a display screen；The audio communication prompt unit 2, to carry out voice signal prompt；The temperature
Spend protection location 3, temperature when to monitoring；The clock unit 4, to timing, power-off protection；It further include a power supply
Management module 7, to be powered to the programmable control module；It further include a communication interface 6, to logical with external bus
Letter.
In some embodiments, microcontroller 1 can use the STM8 family chip of Harvard structure, be meaning method half
8 single-chip microcontrollers of conductor company production, the model single-chip microcontroller are divided into tri- series of STM8A, STM8S, STM8L: STM8A: vapour
Vehicle grade application/STM8S: standard series/STM8L: super low-power consumption MCU.
It is that the chip of microcontroller 1 is the chip of STM8S series, as shown in Fig. 2, having as shown in Fig. 2 (a) and Fig. 2 (b)
UART, PWM, CAN interface, ADC converting interface etc..
In some embodiments, clock, reset and power management；Interrupt management；Timer；Communication interface；The port I/O；
Above-mentioned communication interface is for example, the UART with synchronised clock output, smart card, infrared IrDA, LIN holotype interface.The end I/O
Mouthful, for example, be up to 28 I/O on 32 feet encapsulation chip, including 21 high-selenium corn electric current outputs.
In some embodiments, using 8031 and dynamic scanning displaying device interfacing in scanning of a display unit 5, through Pl
Mouth is connected with 8155, lights each LED in turn using one one, each stops the method for 1ms, utilizes the persistence of vision of people
Phenomenon is lighted simultaneously as 6 LED.Specific such as Fig. 3 (a) is shown, including 16 bit constant-current LED drivers.Fig. 3 (b) is
Each LED circuit schematic diagram.
In some embodiments, integrated speech chip I SD2560 is used in the audio communication prompt unit 2, carries out voice
Alarm, it is preferable that can refer to the schematic diagram in Fig. 4.
In some embodiments, temperature protection unit 3 can use thermal protector, i.e., a kind of temperature controller device works as line
In road when the temperature is excessively high, thermal protector will be triggered to disconnect circuit, in order to avoid cause equipment burnout phenomenon even electrical hazard
Occur；After temperature is reduced in normal range (NR), closing of circuit restores normal operating conditions.Preferably, it can refer to the original of Fig. 5
Reason figure.
In some embodiments, temperature protection unit 3 can also include: the temperature controller of KI-31 series, main using a kind of
Use bimetal leaf as the temperature module.When electric appliance works normally, bimetal leaf is in free state, and contact is in closure/disconnection
State, when temperature reaches operating temperature, bimetal leaf is heated to be generated internal stress and acts rapidly, opened/closed contact, is cut
It is disconnected/to connect circuit, to play temperature control function.When electric appliance is cooled to reset temperature, the automatic closed/open in contact is restored just
Normal working condition.
In some embodiments, clock unit 4 can use perpetual calendar digital clock IC, be a kind of perpetual calendar clock core
Piece realizes year, month, day, hour, min, second timing, and by giving the device that display chip shows after single-chip microcontroller processing, and mechanical
Clock, which is compared, has higher accuracy and intuitive, and has longer service life, for example, clock chip uses
PCF8563, PCF8563 be PHILIPS company release a technical grade include I2C bus interface function have extremely low power dissipation
Multifunction timepiece/calendar chip.Internal clock circuit, internal oscillator circuit, internal low voltage detection circuit and two-wire system
I2C bus communication mode not only makes peripheral circuit and its succinct, and also increases the reliability of chip.Preferably, it can refer to
The schematic diagram of Fig. 6.
In some embodiments, the power management module in power management module 7 is opened by low-voltage detection circuit and power supply
Dynamic circuit, voltage conversion circuit, driving circuit, control logic circuit, RAM save circuit etc. etc. point are constituted.Power starting circuit,
It is responsible for the starting of power supply and restarts, generates power supply starting signal；Low-voltage detection circuit is monitored to internal electric source, is generated
Low power event signal；Voltage conversion circuit converts external power supply under the control of logic control circuit, provides voltage
To driving circuit；Three driving circuits flash memory into System on Chip/SoC (Flash), phaselocked loop (PLL) and micro-control respectively
Device (MCU) processed provides supply voltage；Logic control circuit is the core of power management module and MCU, power starting circuit, low
Voltage detecting circuit is interrelated, controls voltage conversion circuit, reaches the mesh of determining power management module working condition
, realize the dynamic management to power supply.Preferably, it can refer to the schematic diagram of Fig. 7.
In some embodiments, communication interface 6 may include RS232 interface, RS485 interface etc., it is preferable that such as Fig. 8 institute
The schematic diagram shown.
In some embodiments, programmable control module 100 mainly applies following product: d.c. motor intelligent control is opened
Measure input/output module, communications adapter, man-machine interface manipulation pretreatment etc. in pass.
In some embodiments, the product being made of programmable control module 100 and functional circuit, is applied in various intelligence
Manufacturing, such as rectangular co-ordinate servo type mechanical arm, cylinder type mechanical arm, aquaculture equipment, intelligent production line, pass through stepping
Motor drive function plate is, it can be achieved that the products such as various metering pumps, motion control, angle displacement.By relay and light every composition
The amount of opening the light input and output control, according to function difference, the conversion transmission-receiving function of various communications protocol can also be formed.For example,
Programmable control module 100 realizes following functional circuits, cartesian co-ordinate type combination in rectangular co-ordinate servo type mechanical arm
It is versatile and flexible, the uniaxial manipulator for arriving multiaxis can be assembled into, such as planer-type, cantilevered, wall-mounted, it can also be according to different
Load, stroke, function and special space requirement, are the required product of custom.Meanwhile it can expand on the basis of tri- axis of X, Y, Z
Rotary shaft and torsion shaft are opened up, constitutes five degree of freedom and six-DOF robot, or as the straight line in professional automated machine
Positioning system.
In some embodiments, programmable control module 100 is also connect with pinboard, there is connecting terminal on pinboard；Turn
Display board is also equipped on fishplate bar, the display board includes: LED charactrons and multi-functional navigation knob.
As preferred in the present embodiment, programmable control module 100 further include: TTL signal interface, to group as from
The TTL data-signal exported in the microcontroller is transferred directly to defeated people's interface of liquid crystal display panel, TTL through cable
(Transistor Transistor Logic) i.e. transistor-transistor logic, Transistor-Transistor Logic level signal is generated by TTL device.TTL
Device is the one main kind of of digital integrated electronic circuit, it is manufactured using bipolar technology, have at high speed, low-power consumption and wide in variety etc.
Feature.TTL signal interface includes but is not limited to: single channel (or single channel) 6bit TTL output interface, in above-mentioned interface circuit,
It is transmitted using single-channel mode, each primary colour signal uses 6bit data (R0~R5, G0~G5, B0~B5).Due to primary colours RGB number
According to for 18bit, therefore, also referred to as 18 or 18bit TTL interface.
TTL signal interface includes but is not limited to: in this interface circuit of two-way 6bit TTL output interface, using two-way side
Formula transmission, each primary colour signal use 6bit data (odd road for 0RO~OR5, OG0~OG5, OB0~OB5；Even road be BRO~
ER5, EG0~EG5, EB0~EB5).Since primary colours RGB data is 36bit.
TTL signal interface includes but is not limited to: single channel 8bit TTL output interface, in above-mentioned interface circuit, using list
Road mode is transmitted, and each primary colour signal uses 8bit data (R0~R7, G0~G7, B0~B7).Since primary colours RGB data is
24bit, therefore, also referred to as 24 or 24bit TTL interface.
TTL signal interface includes but is not limited to: two-way 8bit TTL output bit interface, in above-mentioned interface circuit, uses
Two-way mode is transmitted, each primary colour signal use 8bit data (odd road for OR0~OR7, OG0~0G7, OB0~OB7；Even road is
ER0~ER7, EG0~EG7, EB0~EB7), since primary colours RGB data is 48bit, also referred to as 48 or 48bit TTL connect
Mouthful.
As preferred in the present embodiment, programmable control module 100 further include: serial ports turns parallel port unit, to provide
Convert serial communication signal to interface/chip of Parallel Interface Communication signal.
As preferred in the present embodiment, programmable control module 100 further include: one expands I/O interface, one end and micro-control
Device connection processed, the other end are connect with external equipment and/or memory.
Programmable control module 100 in the present invention is pacified in the PCB substrate due to including: above-mentioned PCB substrate
It is equipped with: microcontroller, scanning of a display unit, audio communication prompt unit, temperature protection unit and clock unit, the microcontroller
Device, to adjust, control above-mentioned component；The scanning of a display unit, to Dynamically Announce operating parameter on a display screen；
The audio communication prompt unit, to carry out voice signal prompt；The temperature protection unit, temperature when to monitoring；
The clock unit, to timing, power-off protection；Further include power management module, to the programmable control module into
Row power supply；It further include communication interface, to be communicated with external bus.By the way that general component is integrated into a PCB substrate
In, additional development cost is saved, the upgrading of product is simplified.
Fig. 9 is the system structure diagram that the present invention has programmable control module, and what it is with programmable control module is
System, comprising: host computer 200, CAN protocol bus 300 and the programmable control module 100, the host computer 200 pass through
The CAN protocol bus 300 is connect with the programmable control module 100, the programmable control module 100 and CAN protocol
Bus 300 connects, and to receive bus communication signal, and is adjusted in the microcontroller, controls, and passes through 2
Line CAN protocol bus completes CAN networking and carries out Web control；The programmable control module and a functional module 400
Connection, to execute at least one movement and/or the then control function of switching value；The functional module passes through an interface board 500
It is connect with terminal device 600, to establish connection with external wiring terminal and/or communication interface；The programmable control module
It further include a wireless transport module, to establish wireless self-networking.By the way that general component is integrated into a programmable control
In the PCB substrate of molding block 100, additional development cost is saved, simplifies the upgrading of product.
As preferred in the present embodiment, programmable control module 100, comprising: PCB substrate is installed in the PCB substrate
Have: microcontroller 1, scanning of a display unit 5, audio communication prompt unit 2, temperature protection unit 3 and clock unit 4, it is described micro-
Controller 1, to adjust, control above-mentioned component；The scanning of a display unit 5 is grasped to Dynamically Announce on a display screen
Make parameter；The audio communication prompt unit 2, to carry out voice signal prompt；The temperature protection unit 3, to monitoring
When temperature；The clock unit 4, to timing, power-off protection；It further include a power management module 7, to be compiled to described
Process control module is powered；It further include a communication interface 6, to be communicated with external bus.
As preferred in the present embodiment, pass through two CAN bus and control programmable control modules 100.
Figure 10 is control method flow diagram, is included the following steps:
Step S0 pretreatment: configuration feature plate and interface board；
Step S1 System self-test checks whether display circuit shows normally, checks whether working power is normal, checks module
Whether symbol is adjusted (programmable control module) peripheral temperature environment；Whether there is the symbol of temperature DEG C.
Step S2 Network Check checks whether CAN communication is normal, checks online submodule (multiple programmable control modules)
Whether can establish handshaking information, Global reset is sent by CAN bus and is awaited orders information；
Step S3 functional check executes all modules on network and presses warm-up condition movement, belt switch module, ADC, coding
The module of device carries out feedback inspection, first carries out function logic in advance；For example, executing various arithmetical operations.For another example, various patrol is executed
Operation is collected, and carries out logic testing, such as null detection or two comparisons being worth.
Step S4 executes logic function operation, executes input and output control by user program；
It include but is not limited to the signal acquisition, output switch parameter to a switching value controller in the step S4,
Switch acquisition mode is configured,
Under above-mentioned switch acquisition mode, switch acquisition feature board and terminal interface plate are configured, and pass through the end
Sub-interface plate introduces signals into the acquisition feature board, external signal and internal signal are passed through Phototube Coupling, signal
Pretreatment, signal shaping,
It is sent by board to board connector to the programmable control module and carries out logical process.
Include but is not limited in the step S4, control, signal processing to a signal communication adapter,
Communications adapter mode is configured,
Under above-mentioned communications adapter mode, communications adapter feature board is configured, adapter functions plate is to believe outside
It number is protected with the level conversion of internal signal, communication security and the task of signal shaping,
Signal docks after above-mentioned pretreatment, through board to board connector with programmable control module, PLC technology
Microcontroller in module cooperates communications adapter feature board, external interface board, and internal/external signal is introduced or drawn by terminal
And it handles.
It include but is not limited to control, signal processing to motor driving motion controller in the step S4,
Programmable control module directly controls current parameters, directioin parameter, rotary speed parameter, guarantor in motor drive controller
Data are protected, and to motor real-time control and monitoring,
In said motor drive control device, it is equipped with DAC D/A converting circuit and pulse shaper, programmable control molding
Digital signal of the block by I/O mouthfuls, board to board connector connect with motor driving motion controller, and implement to control.
Include but is not limited in the step S4, control, signal processing to a man-machine dialog interface controller,
Programmable control module is as processing unit, in man-machine dialog interface controller, to the finger by CAN bus
It enables and does relay process with man-machine interface, push button signalling input and output；
Programmable control module is parsed the touching signals of scanning of a display unit by serial ports, then by total
Line is sent to other performers；
It by key pressing or lifts signal also and will be carried out by nucleus module and pre-process and parsed by logical requirements, after parsing
It is equally instruction by power and energy, is sent to other bus performers.
Step S5 abnormality processing occurs executing order by abnormal logic after exception.
Please refer to Figure 11 and Figure 12, wherein Figure 11 is the programmable control module Facad structure in one embodiment of the invention
Schematic diagram, Figure 12 are the programmable control module structure schematic diagrams in one embodiment of the invention.
Wherein, programmable control module, comprising: PCB substrate is equipped in the PCB substrate: microcontroller, display
Device scanning element, audio communication prompt unit, temperature protection unit and clock unit, the microcontroller, on adjusting, control
State component；The scanning of a display unit, to Dynamically Announce operating parameter on a display screen；The audio communication prompt unit,
To carry out voice signal prompt；The temperature protection unit, temperature when to monitoring；The clock unit, to
Timing, power-off protection；It further include a power management module, to be powered to the programmable control module；It further include one
Communication interface, to be communicated with external bus.It include: scanning of a display processing MCU, serial ports turn in the front of the PCB substrate
Chip, temperature sensor, board to board connector flow over (to realize and feature board TTL data exchange and associated communication function in parallel port
Can), primary processor (such as MCU of STM8 series) and CAN bus transceiving chip.It include: number at the back side of the PCB substrate
Code tube display interface, TTL wireless telecommunications expansion card, buzzer, button cell, clock chip, interface board power supply/communication connect
Mouth, power management chip and program downloading mouth and expansion I/O mouth.
Although the disclosure acts to describe with specific structural features and/or method, but it is understood that wanting in appended right
The disclosure limited in book is asked to be not necessarily limited to above-mentioned specific feature or action.But above-mentioned specific features and movement are only public
It opens to implement the exemplary forms of claim.
Claims (8)
1. a kind of control method, using the system with programmable control module, including,
Host computer, CAN protocol bus and programmable control module,
The host computer is connect by the CAN protocol bus with the programmable control module,
The programmable control module is connect with CAN protocol bus, to receive bus communication signal, and in the microcontroller into
Row is adjusted, is controlled, and is completed CAN networkings by 2 line CAN protocol buses and carried out Web control；
The programmable control module is connect with a functional module, to execute at least one movement and/or the then control of switching value
Function processed；
The functional module is connect by an interface board with terminal device, to build with external wiring terminal and/or communication interface
Vertical connection；
The programmable control module further includes a wireless transport module, to establish wireless self-networking；
The programmable control module includes,
PCB substrate is equipped with: microcontroller, scanning of a display unit, audio communication prompt unit, temperature protection unit and clock
Unit,
The microcontroller, to adjust, control above-mentioned component；
The scanning of a display unit, to Dynamically Announce operating parameter on a display screen；
The audio communication prompt unit, to carry out voice signal prompt；
The temperature protection unit, temperature when to monitoring；
The clock unit, to timing, power-off protection；
It further include a power management module, to be powered to the programmable control module；
It further include a communication interface, to be communicated with external bus；
Characterized in that it comprises the following steps:
Pretreatment: configuration feature plate and interface board,
S1 System self-test
Check whether display circuit shows normally,
Check whether working power is normal,
Check whether symbol is adjusted module peripheral temperature environment,
S2 Network Check
Check whether CAN communication is normal,
Check whether online submodule can establish handshaking information,
Global reset is sent by CAN bus to await orders information,
S3 functional check
It executes all modules on network and presses warm-up condition movement,
Belt switch module, ADC, encoder module carry out feedback inspection,
Function logic is first carried out in advance,
S4 executes logic function operation
Input and output control is executed by user program,
S5 abnormality processing
Order is executed by abnormal logic after appearance exception.
2. control method according to claim 1, which is characterized in that further include: TTL signal interface, to group as from
The TTL data-signal exported in the microcontroller is transferred directly to defeated people's interface of liquid crystal display panel through cable.
3. control method according to claim 1, which is characterized in that further include: serial ports turns parallel port unit, to provide by
Serial communication signal is converted into interface/chip of Parallel Interface Communication signal.
4. control method according to claim 1, which is characterized in that further include: one expands I/O interface, one end and micro-control
Device connection processed, the other end are connect with external equipment and/or memory.
5. control method according to claim 1-4, which is characterized in that be also configured to a switching value control
The signal acquisition of device processed, output switch parameter,
Switch acquisition mode is configured,
Under above-mentioned switch acquisition mode, switch acquisition feature board and terminal interface plate are configured, and connect by the terminal
Oralia introduces signals into the acquisition feature board, to locate external signal in advance by Phototube Coupling, signal with internal signal
Reason, signal shaping,
It is sent by board to board connector to the programmable control module and carries out logical process.
6. control method according to claim 1-4, which is characterized in that be also configured to a signal communication
The control of adapter, signal processing,
Communications adapter mode is configured,
Under above-mentioned communications adapter mode, configure communications adapter feature board, adapter functions plate to by external signal with
Level conversion, the task of communication security protection and signal shaping of internal signal,
Signal docks after above-mentioned pretreatment, through board to board connector with programmable control module, programmable control module
Interior microcontroller cooperates communications adapter feature board, external interface board, and internal/external signal is introduced or drawn by terminal and located
Reason.
7. control method according to claim 1-4, which is characterized in that be also configured to drive a motor
The control of motion controller, signal processing,
Programmable control module directly controls current parameters, directioin parameter, rotary speed parameter, protection number in motor drive controller
According to, and to motor real-time control and monitoring,
In said motor drive control device, it is equipped with DAC D/A converting circuit and pulse shaper, programmable control module is logical
Digital signal, the board to board connector for crossing I/O mouthfuls connect with motor driving motion controller, and implement to control.
8. control method according to claim 1-4, which is characterized in that be also configured to a human-computer dialogue
The control of interfacial level controller, signal processing,
Programmable control module is as processing unit, in man-machine dialog interface controller, to by the instruction of CAN bus with
Relay process is done in man-machine interface, push button signalling input and output；
Programmable control module is parsed the touching signals of scanning of a display unit by serial ports, is then sent out by bus
It is sent to other performers；
By key pressing or lifts signal also and will be carried out by nucleus module and pre-process and parsed by logical requirements, it is same after parsing
It is instruction by power and energy, is sent to other bus performers.
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