CN105094001A - Controller, and method and device for replacing I/O port of controller - Google Patents
Controller, and method and device for replacing I/O port of controller Download PDFInfo
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- CN105094001A CN105094001A CN201510110548.6A CN201510110548A CN105094001A CN 105094001 A CN105094001 A CN 105094001A CN 201510110548 A CN201510110548 A CN 201510110548A CN 105094001 A CN105094001 A CN 105094001A
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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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Abstract
The invention discloses a controller, and a method and device for replacing an I/O port of the controller. The controller DDC includes a second port serving as a standby port, and when a first port having the same port type with the second port has faults, the second port is used for replacing the first port to make the DDC and on-site equipment connected with the controller continuously operate, wherein the DDC is configured to switching the first port to the second port through configuration.
Description
Technical field
The present invention relates to building automation system (BuildingAutomationSystem, BAS) the digital distribution formula controller (DigitalDistributedController in, and relate to the method and apparatus of the I/O port replaced in digital distribution formula controller DDC).
Background technology
Building automation system BAS can carry out automatic monitoring, adjustment and management to the various field apparatuss be distributed in buildings.Field apparatus comprises such as air-conditioning system, supply and drain water system, illuminator, safety-protection system.Multiple digital distribution formula controller DDC being distributed in scene is provided with, for the running status of monitoring site equipment in BAS system.Each DDC is coupled by corresponding input/output end port and field apparatus, receives its status signal or transmit control signal to it from field apparatus.
Usually, the I/O port assignment of DDC is previously programmed in the firmware of DDC, this means in multiple I/O ports of DDC be connected to certain port failure of field apparatus time often need to change whole DDC device troublesomely to guarantee that BAS system is correctly run.Meanwhile, this also can reduce the reliability of DDC device, or controls to bring of short durationly roll off the production line or lost efficacy to local system.
Summary of the invention
The present invention openly replaces the method for the I/O port in digital distribution formula controller DDC, this DDC is connected with field apparatus via multiple I/O port, the method comprises: by the mode of configuration, the first port in DDC is switched to the second port, wherein, this second port is standby port and has the port type identical with this first port.
The first port in DDC is switched to the second port and comprises by the described mode by configuration: input the first port identifiers and the second port identifiers to this DDC, and this DDC makes to turn to use to this second port to the use of this first port according to the first port identifiers received and the second port identifiers Reconfigurations information.
The present invention is the open equipment for controlling the I/O port replaced in digital distribution formula controller DDC also, this equipment is configured to be connected to DDC by communication interface, and this DDC is configured that the first port in DDC is switched to the second port, wherein, this second port is standby port and has the port type identical with this first port.
This equipment is configured to input the first port identifiers and the second port identifiers to this DDC, makes this DDC can make to turn to use to this second port to the use of this first port according to the first port identifiers received and the second port identifiers Reconfigurations information.
The present invention also discloses a kind of digital distribution formula controller DDC, this DDC is connected with field apparatus via multiple I/O port, this DDC comprises the second port as standby port, can continue to run to make DDC and the field apparatus that is connected for replacing the first port when having the first port failure of same port type with this second port, wherein this DDC is configured to, by the mode of configuration, the first port is switched to the second port.
This DDC is configured to from external reception first port identifiers and the second port identifiers, and makes to turn to use to this second port to the use of this first port according to the first port identifiers received and the second port identifiers Reconfigurations information.
The needs of whole DDC are changed when advantage of the present invention is by switching the I/O port of DDC and avoiding certain port failure of DDC.Other advantage of the present invention I/O port also comprised by switching DDC neatly makes the process switched not affect the setting of having preserved and the configuration of DDC, and this is especially favourable for non-programmable DDC; And the present invention efficiently utilizes the port resource of DDC by arranging standby port.
Accompanying drawing explanation
After having read the specific embodiment of the present invention with reference to accompanying drawing, those skilled in the art will become apparent the present invention.One skilled in the art will appreciate that accompanying drawing only for coordinating embodiment that technical scheme of the present invention is described, and and be not intended to be construed as limiting protection scope of the present invention.
Fig. 1 is the structural representation of the digital distribution formula controller according to the embodiment of the present invention.
Fig. 2 is the structural representation of the equipment for replacing the I/O port in digital distribution formula controller DDC according to the embodiment of the present invention.
Fig. 3 is the step schematic diagram of the method for a kind of I/O port replaced in digital distribution formula controller DDC according to the embodiment of the present invention.
Embodiment
With reference to the accompanying drawings, the specific embodiment of the present invention is described in further detail.Should be understood that, 26S Proteasome Structure and Function amendment can be carried out to described embodiment.In addition, can for any given or specific application is desired and favourable, one or more features of an embodiment can be combined with one or more features of another embodiment.
Fig. 1 is the structural representation of the digital distribution formula controller according to the embodiment of the present invention.As shown in Figure 1, DDC comprises CPU11, I/O control module 12, communication interface 13.Embedded CPU11 is the core work unit of DDC, can be controlled by connected I/O control module 12 pairs of I/O ports and be monitored.I/O control module 12 can relate to the port of Four types, and analog input AI, numeral input DI, modulating output AO, numeral export DO.DDC is coupled with host computer via communication interface 13.
In this embodiment, this DDC comprises the second port as standby port, can continue to run to make DDC and field equipment connecting for replacing the first port when having the first port failure of same port type with this second port, wherein this DDC is configured to, by the mode of configuration, the first port is switched to the second port.This standby port can be untapped port, namely idle port.Alternatively, this DDC is configured to from external reception first port identifiers and the second port identifiers, and allow DDC by the use turned to the use of this first port this second port according to the first port identifiers received and the second port identifiers Reconfigurations information, thus realize the switching of interface.Configuration information can such as be stored in I/O control module 12 or in the internal storage of DDC as configuration file.
Exemplarily, DDC can with external device communication, and receive the first port identifiers and the second port identifiers that are inputted by external unit.This external unit can be the device communicated with DDC by wired connection.This external unit can also be configured with operation-interface and display screen, for carrying out the operation of I/O port mapping.
It is below an example.In this example, a given DDC, it is provided with 16 I/O ports, and is configured to correspond to an application in multiple application by arranging.Here application refers to the application for particular field device.As I/O port AI(1) when breaking down, AI(1 can be inputted by external unit to DDC) identifier and the standby port such as AI(2 of same port type) identifier.DDC can according to AI(1) identifier and AI(2) identifier and from the operation signal of external unit by AI(1) be identified as port to be replaced, by AI(2) be identified as port for replacing.Then, DDC revises the interface program corresponding relation in configuration information accordingly, makes I/O control module 12 can will to AI(1 according to this configuration information) control to be switched to AI(2) control.After the port soft handover of DDC inside, then by with AI(1) the corresponding rigid line to field apparatus connect be forwarded to AI(2), complete the replacement of the I/O port in DDC thus.It will be appreciated by those skilled in the art that, the present invention is not limited to the ad hoc arrangement of this example.
Fig. 2 is the structural representation of the equipment for replacing the I/O port in digital distribution formula controller DDC according to the embodiment of the present invention.As shown in Figure 2, this equipment 20 can be coupled with DDC10 by communication interface, makes equipment 20 and DDC10 form wired or wireless connection.Equipment 20 can be configured with operation-interface 21 and display interface 22.Operation-interface 21 is for input operation order, and port to be replaced and the identifier of port for replacing, and operational order is such as port switching command.Display interface 22 may be used for showing port status in DDC, the port blocked operation whether information such as successfully.
In this embodiment, equipment 20 is configured to be connected to DDC by wired or wireless communication interface, and be configured that the first port in DDC is switched to the second port to this DDC, wherein, this second port is standby port and has the port type identical with this first port.This standby port can be not by the port of the application of current selection use.This equipment is configured to input the first port identifiers and the second port identifiers to this DDC, makes this DDC can make to turn to use to this second port to the use of this first port according to the first port identifiers received and the second port identifiers Reconfigurations information.
Alternatively, equipment 20 is communicated with DDC10 by wireless connections, such as, via WIFI or bluetooth.Thus, equipment 20 remotely can carry out the switching of DDC inner port from DDC10 receiving port status information.This provides more effective means for the port being distributed in the DDC of diverse location in buildings switches.
Fig. 3 is the step schematic diagram of the method for a kind of I/O port replaced in digital distribution formula controller DDC according to the embodiment of the present invention.As shown in Figure 3, first judge whether the port of DDC breaks down, and whether there is the standby port of identical type, after determining standby port, carry out port switching after determining non-working port according to current DDC design judgment.Here standby port can be available port, such as, be the port that will be used by other application or the port not being assigned to any application.In the process that port switches, by the mode of configuration, the first port in DDC is switched to the second port, wherein, this second port is standby port and has the port type identical with this first port.The first port in DDC is switched to the second port and comprises by the described mode by configuration: input the first port identifiers and the second port identifiers to this DDC, and this DDC makes to turn to use to this second port to the use of this first port according to the first port identifiers received and the second port identifiers Reconfigurations information.
By the above embodiment of the present invention, the reliability of DDC and utilization factor can be effectively improved.Correspondingly, the overall performance of building automation system can be improved according to DDC of the present invention and the method relevant with this DDC, reduce system operation cost and maintenance cost, and response to be lost efficacy the site problems caused due to port fast.Those skilled in the art are also accessible, and the present invention can also be applied to other net control, such as Industry Control or data acquisition.
By the description of above embodiment, those skilled in the art can understand, and when without departing from the spirit and scope of the present invention, can also do various change and replacement to the specific embodiment of the present invention.These change and replace and all drop in claims of the present invention limited range.
Claims (6)
1. replace a method for the I/O port in digital distribution formula controller DDC, this DDC is connected with field apparatus via multiple I/O port, and it is characterized in that, the method comprises:
By the mode of configuration, the first port in DDC is switched to the second port, wherein, this second port is standby port and has the port type identical with this first port.
2. the method for claim 1, is characterized in that, the first port in DDC is switched to the second port and comprises by the described mode by configuration:
The first port identifiers and the second port identifiers is inputted to this DDC,
This DDC makes to turn to use to this second port to the use of this first port according to the first port identifiers received and the second port identifiers Reconfigurations information.
3. one kind for controlling the equipment of the I/O port replaced on digital distribution formula controller DDC, it is characterized in that, this equipment is configured to be connected to DDC by communication interface, and this DDC is configured that the first port in DDC is switched to the second port, wherein, this second port is standby port and has the port type identical with this first port.
4. equipment as claimed in claim 3, it is characterized in that, this equipment is configured to input the first port identifiers and the second port identifiers to this DDC, so that this DDC can make to turn to use to this second port to the use of this first port according to the first port identifiers received and the second port identifiers Reconfigurations information.
5. a digital distribution formula controller DDC, this DDC is connected with field apparatus via multiple I/O port, it is characterized in that, this DDC comprises the second port as standby port, can continue to run to make DDC and the field apparatus that is connected for replacing the first port when having the first port failure of same port type with this second port, wherein this DDC is configured to, by the mode of configuration, the first port is switched to the second port.
6. digital distribution formula controller DDC as claimed in claim 5, wherein, this DDC is configured to from external reception first port identifiers and the second port identifiers, and makes to turn to use to this second port to the use of this first port according to the first port identifiers received and the second port identifiers Reconfigurations information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110548.6A CN105094001A (en) | 2015-03-13 | 2015-03-13 | Controller, and method and device for replacing I/O port of controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110548.6A CN105094001A (en) | 2015-03-13 | 2015-03-13 | Controller, and method and device for replacing I/O port of controller |
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| CN105094001A true CN105094001A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510110548.6A Pending CN105094001A (en) | 2015-03-13 | 2015-03-13 | Controller, and method and device for replacing I/O port of controller |
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| CN (1) | CN105094001A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105446201A (en) * | 2015-12-31 | 2016-03-30 | 西安诺瓦电子科技有限公司 | Oil price board control method and device |
| CN105609083A (en) * | 2015-12-31 | 2016-05-25 | 西安诺瓦电子科技有限公司 | Display control method for oil price plate system |
| CN116647469A (en) * | 2023-07-27 | 2023-08-25 | 中国电信股份有限公司 | Shunt port switching method, device, shunt equipment and storage medium |
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| EP2241835A1 (en) * | 2009-04-06 | 2010-10-20 | Lennox Industries Inc. | Device abstraction system and method for a distributed-architecture heating, ventilation and air conditioning system |
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| CN102215124A (en) * | 2011-06-08 | 2011-10-12 | 华为技术有限公司 | Fault processing method, sink node and optical network protection system |
| CN102880167A (en) * | 2011-07-15 | 2013-01-16 | 横河电机株式会社 | Field communication system |
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| EP2241835A1 (en) * | 2009-04-06 | 2010-10-20 | Lennox Industries Inc. | Device abstraction system and method for a distributed-architecture heating, ventilation and air conditioning system |
| CN201821464U (en) * | 2009-08-05 | 2011-05-04 | 福建星网锐捷网络有限公司 | Exchange equipment |
| CN101841432A (en) * | 2010-05-26 | 2010-09-22 | 中兴通讯股份有限公司 | Port backup method, device and system for service access router |
| CN102215124A (en) * | 2011-06-08 | 2011-10-12 | 华为技术有限公司 | Fault processing method, sink node and optical network protection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105446201A (en) * | 2015-12-31 | 2016-03-30 | 西安诺瓦电子科技有限公司 | Oil price board control method and device |
| CN105609083A (en) * | 2015-12-31 | 2016-05-25 | 西安诺瓦电子科技有限公司 | Display control method for oil price plate system |
| CN105446201B (en) * | 2015-12-31 | 2018-02-16 | 西安诺瓦电子科技有限公司 | Oil price board control method and device |
| CN105609083B (en) * | 2015-12-31 | 2018-04-06 | 西安诺瓦电子科技有限公司 | A kind of display control method of oil price board system |
| CN116647469A (en) * | 2023-07-27 | 2023-08-25 | 中国电信股份有限公司 | Shunt port switching method, device, shunt equipment and storage medium |
| CN116647469B (en) * | 2023-07-27 | 2023-10-31 | 中国电信股份有限公司 | Shunt port switching method, device, shunt equipment and storage medium |
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Application publication date: 20151125 |