CN208297995U - Controller based on SBCM01 interface board - Google Patents
Controller based on SBCM01 interface board Download PDFInfo
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- CN208297995U CN208297995U CN201820588350.8U CN201820588350U CN208297995U CN 208297995 U CN208297995 U CN 208297995U CN 201820588350 U CN201820588350 U CN 201820588350U CN 208297995 U CN208297995 U CN 208297995U
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Abstract
Controller provided by the embodiment of the utility model based on SBCM01 interface board includes: master controller and communication chip, the master controller is connect with the communication chip, the communication chip offers the first serial line interface and the second serial line interface far from the side of the master controller, extend PORT COM, enhance PLC and external communication ability, it is biggish to reduce production cost, push the extensive use of SMART PLC.
Description
Technical field
The utility model relates to control device fields, in particular to a kind of controller based on SBCM01 interface board.
Background technique
In recent years, the central monitoring system in industrial control equipment is more extensive, can be realized the different zones of equipment
Monitoring, realize the multiple management of equipment, facilitate management.In the conventional monitoring system, one RS485 of PLC controller band
Serial ports, a network interface externally provide two interfaces and peripheral device communication.It is past in existing PLC communication connection mode
It needs to communicate toward needing to be arranged the minimum of three equipment such as local monitor, operating room information panel and central monitoring, it is logical at two
In the case where communication interface, it is unsatisfactory for present device talk connection requirement.
In existing communication connection mode, lack a communication interface, it is logical that this needs to purchase another Siemens
News module realizes the communication need of equipment, at high cost, and only one communication interface, in more communication connection external equipments,
Shortcomings.Therefore, in such equipment, multiple serial ports need to be equipped with to realize communication need.
Utility model content
In view of this, the utility model embodiment provides a kind of controller based on SBCM01 interface board.
To achieve the above object, the utility model embodiment provides a kind of controller based on SBCM01 interface board, institute
State the controller based on SBCM01 interface board include: the controller based on SBCM01 interface board include: master controller and
Communication chip, the master controller are connect with the communication chip, and the communication chip is opened far from the side of the master controller
Equipped with the first serial line interface and the second serial line interface.
In a possible design, the communication chip is RS485 chip.
In a possible design, the RS485 chip is ADM2483 chip.
In a possible design, the first pin, the 7th pin and the 16th pin difference of the ADM2483 chip
It is connected on 5V power supply, the second pin of communication chip and the 8th pin number ground connection, the 9th pin of communication chip and the 15th
The port RX of pin ground connection, the third pin of communication chip and controller connects, the 6th pin of communication chip and controller
The connection of the port TX, the 12nd pin of communication chip are connected on 5V power supply by resistance R1, the 13rd pin of communication chip
It is grounded by resistance R4, the 4th pin of communication chip and the connection of the 5th pin；The peripheral circuit includes capacitor C1, capacitor
C2, resistance R6, resistance R7, digit chip 74HC14, diode D1, diode D2, capacitor C3, resistance R5, the anode of capacitor C1
5V power supply is connect, the cathode digital grounding of C1, a termination 5V power supply of C2, the other end ground connection of C2, the 14th of digit chip is drawn
Foot connects 5V power supply, the 7th pin number ground connection of digit chip, and the first pin of digit chip connects the port RX of Transistor-Transistor Logic level, number
The third pin and the 5th pin of word chip connect the port TX of Transistor-Transistor Logic level, and the second pin of digit chip passes through resistance R7 and hair
4th pin of the anode connection of optical diode D4, digit chip is connect by resistance R6 with the anode of light emitting diode D3, D3
Cathode and D4 cathode distinguish digital grounding, the 4th pin of the 6th pin connection communication chip of digit chip, the two of R2
End is separately connected the 12nd pin and first input port of communication chip, and the both ends of R3 are separately connected the 13rd of communication chip
Pin and the second input port, one end of D1 connect first input port, and one end of other end ground connection, D2 connects the second input terminal
Mouthful, other end ground connection, one end of R5 connects power cathode, other end ground connection, C3 and R5 and company.
In a possible design, the first input port and the second input port are host computer communication port.
In a possible design, the first input port and the second input port are that frequency converter communicates collection terminal
Mouthful.
In a possible design, the D3 and D4 are light emitting diode.
In a possible design, the C1 is polarized capacitor.
In a possible design, the D1 and D2 are transient voltage suppressor.
It further include resistance R1, resistance R2, capacitor C8 and triode Q2, ADM2483 chip in a possible design
Logical end power supply VDD1 and bus end power supply VDD2 are connect with power supply VCC respectively, the first end of resistance R1 with
Power supply VCC connection, the second end of resistance R1 enable control terminal RE with the reception of ADM2483 chip respectively and send enabled control
End DE processed is connected, and the second end of resistance R1 is also connected with the collector of triode Q2, the base stage of triode Q2 by resistance R2 and
Data line TXD connection is sent, is parallel with capacitor C8, capacitor C8 and three poles on resistance R2 and the points of common connection of triode Q2 base stage
The emitter of pipe Q2 is altogether；The input/output in-phase end A of ADM2483 chip passes through resistance R4 connection power supply VCC,
The input/output reverse side B of ADM2483 chip is grounded by resistance R3.
In the controller provided by the embodiments of the present application based on SBCM01 interface board, master controller and communication chip,
The master controller is connect with the communication chip, and the communication chip offers the first string far from the side of the master controller
Line interface and the second serial line interface, extend PORT COM, enhance PLC and external communication ability, biggish to reduce life
Cost is produced, the extensive use of SMART PLC is pushed.
Detailed description of the invention
Illustrate the utility model embodiment or technical solution in the prior art in order to clearer, it below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural block diagram for the controller based on SBCM01 interface board that the utility model preferred embodiment provides；
Fig. 2 is a kind of structure chart of the specific embodiment for the telecommunication circuit that the utility model preferred embodiment provides；
Fig. 3 is the structure chart of another specific embodiment for the telecommunication circuit that the utility model preferred embodiment provides.
Icon: master controller 110；Communication chip 120；First serial line interface 121；Second serial line interface 122.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Claimed is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The range of utility model, but it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ability
Field technique personnel every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.It should be noted that the utility model attached drawing is all made of simplified form
And non-accurate ratio is used, only to convenient, lucidly aid illustration the utility model embodiment purpose.
Referring to Figure 1, Fig. 1 shows the controller provided by the embodiments of the present application based on SBCM01 interface board, the base
It include: master controller 110 and communication chip 120 in the controller of SBCM01 interface board, the master controller 110 leads to described
Believe chip 120 connect, the communication chip 120 far from the side of the master controller 110 offer the first serial line interface 121 with
And second serial line interface 122.
Controller based on SBCM01 interface board increases to 2 by communication interface by one using MCU Serial Port expanding technology
It is a, facilitate more device talk demands.Using the function of master controller 110, the extension of PORT COM is carried out, this module is made to have two
A RS485 communication interface, facilitates the communication connection demand of external equipment, in special ModBus RTU communication process, PLC make from
, it can be achieved that two port Dou Zuo main websites, realize that Liang Ge main website, the communication modes of a slave station greatly facilitate external set when standing
Standby networking requirements, solving an equipment cannot be to the limitation of Liang Ge main website, and greatly enrich PLC device uses field
It closes.
SBCM01+ communication module, two extension communication serial ports are respectively logical using independent DCDC power isolation module and ADM2483
Chip is interrogated, realizes the communication isolation requirement of external equipment, device talk ability is improved, enhances the reliability and stability of communication.
In SMART PLC module, serial communication extension is carried out, more equipment may be implemented and PLC is communicated, realize multistage control
Information sharing is realized in the information collection of control equipment, enriches the application environment of equipment.
This SBCM01+ communication module, on the basis of original Siemens Communications expansion module, to its PORT COM quantity into
It has gone amplification, has increased more serial ports, realized the communication of two serial ports and PLC, and pass through the function of master controller 110,
It realizes that Liang Ge main website needs the communication connection of mono- slave station of PLC, preferably realizes the communication need of external equipment, meet scene
Application demand.
Fig. 2 is referred to, Fig. 2 shows RS485 communication chip 120ADM2483, the first pins of communication chip 120, the 7th
Pin and the 16th pin are coupled on 5V power supply, the second pin of communication chip 120 and the 8th pin number ground connection, communication
9th pin of chip 120 and the 15th pin ground connection, the third pin of communication chip 120 and the port RX of controller connect,
6th pin of communication chip 120 and the port TX of controller connect, and the 12nd pin of communication chip 120 is connected by resistance R1
It is connected on 5V power supply, the 13rd pin of communication chip 120 is grounded by resistance R4, the 4th pin of communication chip 120 and
The connection of five pins；The peripheral circuit includes capacitor C1, capacitor C2, resistance R6, resistance R7, digit chip 74HC14, two poles
Pipe D1, diode D2, capacitor C3, resistance R5, the anode of capacitor C1 connect 5V power supply, the cathode digital grounding of C1, a termination of C2
5V power supply, the other end ground connection of C2, the 14th pin of digit chip connect 3V power supply, and the 7th pin number of digit chip connects
Ground, the first pin of digit chip connect the port RX of Transistor-Transistor Logic level, and the third pin and the 5th pin of digit chip connect Transistor-Transistor Logic level
The port TX, the second pin of digit chip passes through electricity by the anode connection of resistance R7 and D4, the 4th pin of digit chip
The anode connection of R6 and D3 is hindered, the cathode of D3 and the cathode of D4 distinguish digital grounding, the 6th pin connection communication of digit chip
4th pin of chip 120, the both ends of R2 are separately connected the 12nd pin and first input port of communication chip 120, R3's
Both ends are separately connected the 13rd pin and the second input port of communication chip 120, and one end of D1 connects first input port, separately
One end ground connection, one end of D2 connect the second input port, other end ground connection, and one end of R5 connects ETH interface, and the other end is grounded,
C3 and R5 and company.
Wherein, RS485 communication chip 120ADM2483 is a integrated form electric current isolating device, is suitable for multi-point bus and passes
The bidirectional data communication of defeated route, it is designed for balanced transmission line, meets ANSI TIA/EIA RS-485-A and ISO
8482:1987 (E) standard, the device use the iCoupler technology of ADI company, and 3 member passage way isolating apparatus, tri-state differential line are driven
Dynamic device and Differential Input receiver are integrated in single encapsulation, play the role of communication isolating and level conversion in circuit, moreover,
The chip uses the independent power supply power supply of two-way, realizes for being electrically isolated.
Capacitor C1, C2 are decoupling capacitor, are generated to eliminate the unusual waveforms of power supply and absorb chip operation
Pulse.
NOT gate digit chip 74HC14 realizes to the transmission of ADUM2483 and receives control, due to 74HC14 delay very
It is small, guarantee to realize that zero propagation sends and receives, meanwhile, 74HC14, R6, R7, D3, D4 realize to send bus data jointly to be received
The instruction of state, convenient for observing and understanding data interaction state, concrete function are as follows: 74HC14 realizes amplification driving function, R6, R7
For current-limiting resistance, limiting circuit current protection diode, D3, D4 are light emitting diode, realize the instruction to working condition.
R1, R4 be bus biasing resistor, enhance bus driver ability, ensure that signal transmittability and anti-interference energy
Power.
R2, R3 are current limiting safeguard resistor, input current can be limited, to protect late-class circuit in abnormal signal.
D1, D2 are transient voltage suppressor, select P6KE15CA, which has fast response time, instantaneous suction
The advantages that big power, leakage current small (microampere order), conducting voltage precision are high, clamping voltag is relatively easy to control, is small in size is received, it can be effective
Ground inhibits common mode, DM EMI, protects late-class circuit from the various Electromagnetic Interferences such as electrostatic, thunder and lightning, switching overvoltage.
R5, C3 constitute RC network, realize that due to voltage spikes can leak cause the earth in time, to play the role of protecting bus.
Further, the first input port and the second input port are that host computer communication port or frequency converter are logical
Letter acquisition port.
Further, the D3 and D4 is light emitting diode, and the C1 is polarized capacitor, the D1 and D2
It is transient voltage suppressor, what the C1, the 7th pin of communication chip 120 and 120 first pin of communication chip accessed
Source nominal electric current is 2A, and the source nominal electric current that described C2, R1 and the 16th pin of communication chip 120 access is 0.2A.
Communication chip 120ADM2483 uses the independent power supply power supply of two-way, realizes for being electrically isolated；The delay of 74HC14 is very
It is small, guarantee to realize that zero propagation sends and receives；R1, R4 realize enhancing bus driver ability, ensure that the transmittability of signal
And anti-interference ability；D1, D2 can effectively inhibit common mode, DM EMI；R5, C3 have the function of protecting bus.Entire circuit
Not only at low cost, volume, and while running have the characteristics that stability is high, low in energy consumption, reaction is fast, zero-lag, protect it is complete.
Fig. 3 is referred to, it further includes resistance R1, resistance that Fig. 3, which shows the telecommunication circuit of the application another kind embodiment offer,
R2, capacitor C8 and triode Q2, ADM2483 chip use ADM2483 chip, are the releases of ADI company based on its patent
The isolated form RS-485 transceiving chip of iCoupler Magnetic isolation technology, transmission rate is fast, strong antijamming capability, without any discrete
Element achieves that RS-485 communication function.
The logical end power supply VDD1 and bus end power supply VDD2 of ADM2483 chip respectively with power supply VCC
Connection, the first end of resistance R1 are connect with power supply VCC, and telecommunication circuit further includes capacitor C7, and one end of capacitor C7 is connected to
On the points of common connection of resistance R1 and power supply VCC, other end ground connection.The second end of resistance R1 respectively with ADM2483 chip
Reception enable control terminal RE and send enabled control terminal DE to be connected, the second end of resistance R1 also with the collector phase of triode Q2
Even, the base stage of triode Q2 is connect by resistance R2 with data line TXD is sent, and resistance R2 is commonly connected with triode Q2 base stage
The emitter of capacitor C8, capacitor C8 and triode Q2 are parallel with altogether on point；The input/output in-phase end A of ADM2483 chip is logical
The input/output reverse side B for crossing resistance R4 connection power supply VCC, ADM2483 chip is grounded by resistance R3.It is described
Power Supply Monitoring foot one end of ADM2483 chip is grounded by resistance R5 connection power supply VCC, the other end by capacitor C6.Its
In, ADM2483 chip is the U2 in Fig. 3.
Transmission rate is fast, strong antijamming capability, achieves that RS-485 communication function without any discrete component.Pass through three
Pole pipe automatically controls conversion and sends or receive, and without occupying single-chip processor i/o mouth, simplifies hardware design, facilitates program volume
It writes.
In the controller provided by the embodiments of the present application based on SBCM01 interface board, master controller 110 and communication core
Piece 120, the master controller 110 are connect with the communication chip 120, and the communication chip 120 is far from the master controller 110
Side offer the first serial line interface 121 and the second serial line interface 122, extend PORT COM, make PLC and external communication
Ability enhancing, it is biggish to reduce production cost, push the extensive use of SMART PLC.
Obviously, it is practical new without departing from this can to carry out various modification and variations to utility model by those skilled in the art
The spirit and scope of type.In this way, if these modifications and variations of the present invention belong to equivalent technology, then the utility model
It is intended to including these modification and variations.
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, above in conjunction with the utility model
Attached drawing in embodiment clearly and completely describes the technical scheme in the embodiment of the utility model, it is clear that retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the above detailed description to the embodiments of the present invention provided in the accompanying drawings is not intended to limit requirement
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the signified controller based on SBCM01 interface board or element of indication or suggestion there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Claims (10)
1. a kind of controller based on SBCM01 interface board, which is characterized in that the controller packet based on SBCM01 interface board
Include: master controller and communication chip, the master controller are connect with the communication chip, and the communication chip is far from the master
The side of controller offers the first serial line interface and the second serial line interface.
2. the controller according to claim 1 based on SBCM01 interface board, which is characterized in that the communication chip is
RS485 chip.
3. the controller according to claim 2 based on SBCM01 interface board, which is characterized in that the RS485 chip is
ADM2483 chip.
4. the controller according to claim 3 based on SBCM01 interface board, which is characterized in that the ADM2483 chip
The first pin, the 7th pin and the 16th pin be coupled on 5V power supply, the second pin of communication chip and the 8th pin
Digital grounding, the 9th pin of communication chip and the 15th pin ground connection, the third pin of communication chip and the end RX of controller
Mouth connection, the 6th pin of communication chip and the port TX of controller connect, and the 12nd pin of communication chip passes through resistance R1
It is connected on 5V power supply, the 13rd pin of communication chip is grounded by resistance R4, and the 4th pin of communication chip and the 5th draws
Foot connection；Peripheral circuit includes capacitor C1, capacitor C2, resistance R6, resistance R7, digit chip 74HC14, diode D1, diode
D2, capacitor C3, resistance R5, the anode of capacitor C1 connect 5V power supply, the cathode digital grounding of C1, and the one of C2 terminates 5V power supply, C2's
Other end ground connection, the 14th pin of digit chip connect 5V power supply, and the 7th pin number of digit chip is grounded, digit chip
First pin connects the port RX of Transistor-Transistor Logic level, and the third pin and the 5th pin of digit chip connect the port TX of Transistor-Transistor Logic level, number
The second pin of chip is connect by resistance R7 with the anode of light emitting diode D4, and the 4th pin of digit chip passes through resistance R6
It is connect with the anode of light emitting diode D3, the cathode of D3 and the cathode of D4 distinguish digital grounding, and the 6th pin of digit chip connects
The 4th pin of communication chip is connect, the both ends of R2 are separately connected the 12nd pin and first input port of communication chip, R3's
Both ends are separately connected the 13rd pin and the second input port of communication chip, and one end of D1 connects first input port, another
End ground connection, one end of D2 connect the second input port, other end ground connection, and one end of R5 connects power cathode, other end ground connection, C3
With R5 and company.
5. the controller according to claim 4 based on SBCM01 interface board, which is characterized in that the first input end
Mouth and the second input port are host computer communication port.
6. the controller according to claim 4 based on SBCM01 interface board, which is characterized in that the first input end
Mouth and the second input port are frequency converter communication acquisition port.
7. the controller according to claim 4 based on SBCM01 interface board, which is characterized in that the D3 and D4 be
Light emitting diode.
8. the controller according to claim 4 based on SBCM01 interface board, which is characterized in that the C1 is polarized
Capacitor.
9. the controller according to claim 4 based on SBCM01 interface board, which is characterized in that the D1 and D2 be
Transient voltage suppressor.
10. the controller according to claim 3 based on SBCM01 interface board, which is characterized in that including resistance R1, resistance
The logical end power supply VDD1 and bus end power supply VDD2 of R2, capacitor C8 and triode Q2, ADM2483 chip respectively with
Power supply VCC connection, the first end of resistance R1 are connect with power supply VCC, the second end of resistance R1 respectively with ADM2483 core
The reception of piece enables control terminal RE and sends enabled control terminal DE to be connected, collector of the second end of resistance R1 also with triode Q2
It is connected, the base stage of triode Q2 is connect by resistance R2 with data line TXD is sent, the public company of resistance R2 and triode Q2 base stage
The emitter of capacitor C8, capacitor C8 and triode Q2 are parallel on contact altogether；The input/output in-phase end A of ADM2483 chip
It is grounded by the input/output reverse side B of resistance R4 connection power supply VCC, ADM2483 chip by resistance R3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820588350.8U CN208297995U (en) | 2018-04-23 | 2018-04-23 | Controller based on SBCM01 interface board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820588350.8U CN208297995U (en) | 2018-04-23 | 2018-04-23 | Controller based on SBCM01 interface board |
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| Publication Number | Publication Date |
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| CN208297995U true CN208297995U (en) | 2018-12-28 |
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ID=64725584
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652929A (en) * | 2020-12-11 | 2021-04-13 | 工业和信息化部威海电子信息技术综合研究中心 | PLC inter-board communication system |
-
2018
- 2018-04-23 CN CN201820588350.8U patent/CN208297995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652929A (en) * | 2020-12-11 | 2021-04-13 | 工业和信息化部威海电子信息技术综合研究中心 | PLC inter-board communication system |
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