CN204856495U - UART communication device between many IO module and many communication module - Google Patents

UART communication device between many IO module and many communication module Download PDF

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Publication number
CN204856495U
CN204856495U CN201520622703.8U CN201520622703U CN204856495U CN 204856495 U CN204856495 U CN 204856495U CN 201520622703 U CN201520622703 U CN 201520622703U CN 204856495 U CN204856495 U CN 204856495U
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China
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module
communication
interface
many
uart
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Expired - Fee Related
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CN201520622703.8U
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Chinese (zh)
Inventor
王文海
张稳稳
俞蒙蒙
许志正
周伟
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HANGZHOU UWIN AUTOMATIC SYSTEM CO Ltd
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HANGZHOU UWIN AUTOMATIC SYSTEM CO Ltd
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Abstract

The utility model provides a UART communication device between many IO module and many communication module for communication between many IO module and the field control module, including microprocessor, power source, cascade interface, network interface, address dial -up and communication module interface that matches with communication module and the IO module interface who matches with the IO module, cascade interface, network interface, address dial -up, communication module interface and IO module interface respectively with microprocessor links to each other, power source respectively with it connects to cascade interface, microprocessor, communication module interface and IO module interface electricity. The utility model discloses a UART communication device between many IO module and many communication module has realized the multi -to -multi communication of IO module with communication module, has improved system performance, and the cost is reduced has simplified the engineering.

Description

UART communication device between a kind of many I/O module and many communication modules
Technical field
The utility model relates to communication field, especially a kind of for the communication device between many I/O module and many communication modules.
Background technology
Along with the develop rapidly of computer communication technology and the information processing technology. industrial communication technology has become an important technology, is obtained for applies widely in industry and the communications field.Device networkization has become a common recognition, becomes inevitable trend.Serial communication is one of requisite function for device network.The stable, efficient of serial communication is also the target that compunication is pursued always.
Universal asynchronous receiver/transmitter (UART) UART (UniversalAsynchronousReceiverandTransmitter) can transmit and receive data under serial mode, and its data mode only needs a pair circuit just can realize remote data communication., long transmission distance simple with its resource, be easy to one of the features such as realization integrated peripheral hardware of standard becoming various processor.Particularly be tending towards in integrated circuit (IC) design field in SOC (SystemOnChip System on Chip/SoC) the technology application of maturation, UART has become one of indispensable peripheral hardware.In actual application design, often to use multiple major functions of UART, often cause the wasting of resources and cost to improve with Special Interface Chip (NI8250 as IBM).
In order to improve the work efficiency of industrial automation equipment, its control system need adopt modular strategy, I/O module field equipment connecting and communication module, for collection and the communication of field data; Communication module link control module and I/O module, for the transmission of valid data in control system; But the communication one to one of I/O module and communication module, can not complete the requirement of the parallel processing of multitask, and cost is higher.Adopt I/O module and the communication of communication module multi-to-multi can improve the performance of system, can reduce costs simultaneously.
Summary of the invention
The technical matters that the utility model solves is to provide the UART communication device between a kind of many I/O module and many communication modules, realizes I/O module and the communication of communication module multi-to-multi, thus improves system performance, reduces costs.
To achieve these goals, the utility model have employed following technical scheme:
UART communication device between a kind of many I/O module and many communication modules, for the communication between many I/O module and These field control modules, the I/O module interface comprising microprocessor, power interface, subtending port, network interface, address dial-up and the communication module interface mated with communication module and mate with I/O module; Described subtending port, network interface, address dial-up, communication module interface and I/O module interface are connected with described microprocessor respectively, and described power interface is electrically connected with described subtending port, microprocessor, communication module interface and I/O module interface respectively.
Preferably, described communication module interface supports two-way MODBUS communication module, C-Net control module and ProfiBus-DP slave station communication module, and the fieldbus supported according to These field control modules in use selects a kind of communication completed between I/O module and control module in above-mentioned communication module.
Preferably, described I/O module interface supports intrinsic safety type Universal Die analog quantity load module, intrinsic safety type two-way digital quantity input module, intrinsic safety type analog output module and intrinsic safety type number connect test module.
Preferably, described I/O module interface supports analog input signal and On-off signal signal, and described analog input signal comprises voltage, electric current, thermal resistance, thermopair.
Preferably, the quantity of described communication module interface is 3, and the quantity of described I/O module interface is 16.
UART communication device between many I/O module of the present utility model and many communication modules, its communication module interface supports the multiple kinds such as Modbus-RTU, CAN, ProfiBus-DP, I/O module interface supports that analog quantity is as the universal input of voltage/current/thermal resistance/thermopair, supports that I/O module identifies automatically, automatically configures, at OIR; Especially, I/O module interface of the present utility model can support essential safe type I/O module, can carry out pressure limiting, current limliting, limit energy, can directly be connected, and common I/O module needs to add one deck safety barrier with the signal in on-the-spot explosive area signal; Subtending port removes use external connection from, and can directly be connected by subtending port plug, lossless data transmits; Network interface is directly connected to control module by fieldbus, make on-the-spot input signal after I/O module pressure limiting, current limliting, limit energy, control module is directly inputted to by fieldbus, control module directly gives I/O module control signal by fieldbus, then by I/O module pressure limiting, current limliting, limit can after output to field apparatus; The built-in input table annual reporting law of microprocessor, output voting algorithm, I/O self-inspection and Trouble Report mechanism; The address of address dial-up configurable multiple communication device after device cascade.
UART communication device between many I/O module of the present utility model and many communication modules, the minimum system that can form in use contains an I/O module and a communication module, realizes the communication between on-the-spot single IO point and control module; Also can form holonomic system, the communication module of load 16 essential safe type I/O module and triple redundance, realize the communication of 16, scene between I/O module and control module, thus realize I/O module and the communication of communication module multi-to-multi, improve system performance, reduce costs, simplify engineering.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of the UART communication device between many I/O module of the present utility model and many communication modules.
Embodiment
In order to understand the utility model further, below in conjunction with embodiment, the utility model preferred embodiment is described, but should be appreciated that these describe just for further illustrating feature and advantage of the present utility model, instead of the restriction to the utility model claim.
As shown in Figure 1, the utility model provides the UART communication device between a kind of many I/O module and many communication modules, for the communication between many I/O module and These field control modules, the I/O module interface comprising microprocessor, power interface, subtending port, network interface, address dial-up and the communication module interface mated with communication module and mate with I/O module; Described subtending port, network interface, address dial-up, communication module interface and I/O module interface are connected with described microprocessor respectively, and described power interface is electrically connected with described subtending port, microprocessor, communication module interface and I/O module interface respectively.
Below in conjunction with the holonomic system of the communication module of the load be made up of UART communication device of the present utility model 16 essential safe type I/O module and triple redundance, said apparatus is described in further details.
Communication module interface (01,02,03): two-way MODBUS communication module, C-Net control module, ProfiBus-DP slave station communication module can be connected, support Modbus-RTU slave station protocol, CAN protocol, ProfiBus-DP slave station protocol respectively, the fieldbus supported according to These field control modules during use selects wherein a kind of communication module to complete the communication between I/O module signal and control module.
I/O module interface (01,02,03 ..., 16): intrinsic safety type Universal Die analog quantity load module, intrinsic safety type two-way digital quantity input module, intrinsic safety type analog output module and intrinsic safety type number connect test module can be connected.Support that analog input signal is as voltage, electric current, thermal resistance, thermopair etc., On-off signal signal etc.
Power interface: inside have two groups of power interfaces, supports power supply redundancy mechanism, can connect 24V power supply, powers to respectively communication module interface, I/O module interface, microprocessor, subtending port.
Network interface: inside have two-way network port, network enabled redundancy scheme, control module is directly connected to by fieldbus, make on-the-spot input signal after I/O module pressure limiting, current limliting, limit energy, control module is directly inputted to by fieldbus, control module directly gives I/O module control signal by fieldbus, then by I/O module pressure limiting, current limliting, limit can after output to field apparatus.
Subtending port: connect the cascade network type communication device more than two between I/O module and many communication modules, remove use external connection from, directly can be connected by subtending port plug, realize lossless data transmission, improve transfer rate, decrease loss and cost.
Address dial-up: after this communication device cascade, configure the address of multiple communication device by address dial-up, address realm is 0-63, not reproducible.
Adopt such scheme, UART communication device of the present utility model has following functional characteristics:
I/O module interface, supports analog quantity (voltage/current/thermal resistance/thermopair) universal input, and software merit rating type, gamut high precision, self-correcting, non-regulating are non-maintaining; Support that I/O module identifies automatically, automatically configure, at OIR;
Subtending port, removes use external connection from, and can directly be connected by subtending port plug, lossless data transmits;
Microprocessor, built-in input table annual reporting law, output voting algorithm, I/O self-inspection and Trouble Report mechanism;
Communication module interface, supports the multiple kinds such as Modbus-RTU, CAN, ProfiBus-DP.
In addition, the I/O module interface of this communication device, supports essential safe type I/O module, can carry out pressure limiting, current limliting, limit energy, can directly be connected, and common I/O module needs to add one deck safety barrier with the signal in on-the-spot explosive area signal.Adopt intrinsic safety type input/output module escapable cost, simplify engineering.
The explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.

Claims (5)

1. the UART communication device more than a kind between I/O module and many communication modules, for the communication between many I/O module and These field control modules, it is characterized in that: the I/O module interface comprising microprocessor, power interface, subtending port, network interface, address dial-up and the communication module interface mated with communication module and mate with I/O module; Described subtending port, network interface, address dial-up, communication module interface and I/O module interface are connected with described microprocessor respectively, and described power interface is electrically connected with described subtending port, microprocessor, communication module interface and I/O module interface respectively.
2. the UART communication device between many I/O module as claimed in claim 1 and many communication modules, it is characterized in that: described communication module interface supports two-way MODBUS communication module, C-Net control module and ProfiBus-DP slave station communication module, and the fieldbus supported according to These field control modules in use selects a kind of communication completed between I/O module and control module in above-mentioned communication module.
3. the UART communication device between many I/O module as claimed in claim 1 and many communication modules, is characterized in that: described I/O module interface supports intrinsic safety type Universal Die analog quantity load module, intrinsic safety type two-way digital quantity input module, intrinsic safety type analog output module and intrinsic safety type number connect test module.
4. the UART communication device between many I/O module as claimed in claim 3 and many communication modules, it is characterized in that: described I/O module interface supports analog input signal and On-off signal signal, and described analog input signal comprises voltage, electric current, thermal resistance, thermopair.
5. the many I/O module as described in claim 1-4 any one and the UART communication device between many communication modules, is characterized in that: the quantity of described communication module interface is 3, and the quantity of described I/O module interface is 16.
CN201520622703.8U 2015-08-18 2015-08-18 UART communication device between many IO module and many communication module Expired - Fee Related CN204856495U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106647443A (en) * 2016-10-31 2017-05-10 杭州优稳自动化系统有限公司 Intelligent controller cascade method
CN110505263A (en) * 2018-10-30 2019-11-26 国核自仪系统工程有限公司 Based on point-to-point communication network system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106647443A (en) * 2016-10-31 2017-05-10 杭州优稳自动化系统有限公司 Intelligent controller cascade method
CN110505263A (en) * 2018-10-30 2019-11-26 国核自仪系统工程有限公司 Based on point-to-point communication network system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151209

Termination date: 20190818

CF01 Termination of patent right due to non-payment of annual fee