CN205015696U - Urgent shutting -off system redundancy apparatus of platform - Google Patents
Urgent shutting -off system redundancy apparatus of platform Download PDFInfo
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- CN205015696U CN205015696U CN201520791224.9U CN201520791224U CN205015696U CN 205015696 U CN205015696 U CN 205015696U CN 201520791224 U CN201520791224 U CN 201520791224U CN 205015696 U CN205015696 U CN 205015696U
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Abstract
The utility model discloses an urgent shutting -off system redundancy apparatus of platform, including a PLC, the 2nd PLC, a ET200M signal acquisition system, the 2nd ET200M signal acquisition system, PROFIBUS field bus, a digital input module, a digital output module, the 2nd digital input module, the 2nd digital output module, a PLC, a ET200M signal acquisition system, a digital input module, a digital output module are the main system, the 2nd PLC, the 2nd ET200M signal acquisition system, the 2nd digital input module, the 2nd digital output module are standby system. The utility model discloses a soft redundant system reliability that increases, the redundant system can be managed because of CPU trouble and the communication cable fault that hardware fault or software error lead to, has increased emergent shutting -off system's security, reliability.
Description
Technical field
The utility model relates to a kind of ocean platform emergency cut-off system, particularly relates to a kind of ocean platform emergency cut-off system redundant apparatus, belongs to ocean platform technical field.
Background technology
Ocean platform, away from land, adds himself narrow space, pipeline and equipment high concentration again, and its fire hazard is higher than land platform or general chemical industry manufacturing enterprise.Ocean platform emergency cut-off system, as the key equipment of ocean platform, is responsible for platform breaking out of fire or other emergency cut-off tasks in emergency circumstances, and gets rid of rear platform when dangerous situation and still should be able to normally run.Ocean platform emergency cut-off system running status whether stablize the safety and environmental protection situation directly having influence on offshore platform, more and more cause the attention of owner and classification society.
Utility model content
The purpose of this utility model is to provide a kind of ocean platform emergency cut-off system redundant apparatus, increases the security of ocean platform emergency cut-off system, reliability.
The purpose of this utility model is achieved by the following technical programs:
A kind of ocean platform emergency cut-off system redundant apparatus, comprises a PLC, 2nd PLC, one ET200M signal acquiring system, 2nd ET200M signal acquiring system, PROFIBUS fieldbus, first digital quantity input module, first digital output module, second digital quantity input module, second digital output module, a described PLC, one ET200M signal acquiring system, first digital quantity input module, first digital output module is main system, described 2nd PLC, 2nd ET200M signal acquiring system, second digital quantity input module, second digital output module is back-up system, a described PLC is communicated with an ET200M signal acquiring system by PROFIBUS fieldbus, described 2nd PLC is communicated with the 2nd ET200M signal acquiring system by PROFIBUS fieldbus, a described PLC, connected by CAT order wire between 2nd PLC, a described ET200M signal acquiring system, 2nd ET200M signal acquiring system, first digital quantity input module, first digital output module, second digital quantity input module, second digital output module is installed in frame, is communicated by core bus.
The purpose of this utility model can also be realized further by following technical measures:
Aforementioned ocean platform emergency cut-off system redundant apparatus, wherein a PLC, the 2nd PLC are S7-400.
Aforementioned ocean platform emergency cut-off system redundant apparatus, wherein the communication interface module of an ET200M signal acquiring system, the 2nd ET200M signal acquiring system is IM153-2.
Aforementioned ocean platform emergency cut-off system redundant apparatus, wherein PROFIBUS fieldbus adopts 6XV1830-0EH10 order wire.
Aforementioned ocean platform emergency cut-off system redundant apparatus, wherein the first digital quantity input module, the second digital quantity input module are SM321, and the first digital output module, the second digital output module are SM322.
Compared with prior art, the beneficial effects of the utility model are: increase system reliability by soft redundancy, continued to perform user program assembly by standby station after master station breaks down, redundant system can manage the faults such as the broken string that cpu fault because hardware fault or software error cause and communication cable occur, and adds the security of emergency switching-off system, reliability.
Accompanying drawing explanation
Fig. 1 is redundant apparatus circuit diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, ocean platform emergency cut-off system redundant apparatus, comprises a PLC, 2nd PLC, one ET200M signal acquiring system, 2nd ET200M signal acquiring system, PROFIBUS fieldbus, first digital quantity input module, first digital output module, second digital quantity input module, second digital output module, a described PLC, one ET200M signal acquiring system, first digital quantity input module, first digital output module is main system, described 2nd PLC, 2nd ET200M signal acquiring system, second digital quantity input module, second digital output module is back-up system, a described PLC is communicated with an ET200M signal acquiring system by PROFIBUS fieldbus, described 2nd PLC is communicated with the 2nd ET200M signal acquiring system by PROFIBUS fieldbus, a described PLC, connected by CAT order wire between 2nd PLC, a described ET200M signal acquiring system, 2nd ET200M signal acquiring system, first digital quantity input module, first digital output module, second digital quantity input module, second digital output module is installed in frame, is communicated by core bus.Wherein a PLC, the 2nd PLC are S7-400.Wherein the communication interface module of an ET200M signal acquiring system, the 2nd ET200M signal acquiring system is that IM153-2, PLC are by this communication interface module and the external device communication of ocean platform emergency cut-off system; PROFIBUS fieldbus adopts 6XV1830-0EH10 order wire; First digital quantity input module, the second digital quantity input module are SM321, and the first digital output module, the second digital output module are that SM322, PLC carry out the input and output of signal by digital quantity input, output module.
The utility model emergency switching-off redundant system is overlapped control system formed by a PLC, the 2nd PLC two.When any one assembly in main system is made mistakes, control task can automatically switch in the middle of back-up system and perform, and at this moment, former main system is for subsequent use, and this handoff procedure is that the entirety comprising power supply, CPU, communication cable and IM153 interface module switches.In system operation, make mistakes even without any assembly, operating personnel also can pass through setup control word, and realize manual main preparation system and switch, this manual switchover process, the software and hardware for control system adjusts, and change, dilatation is very useful.
The utility model redundancy can realize: the redundancies such as I. mainframe power supply, core bus; II.PLC processor redundancy; III.PROFIBUS fieldbus networks redundancy (comprising the redundancy of communication interface, bus contact, bus cable); The communication interface module IM153-2 redundancy at IV.ET200M station.
When redundant system carries out work, under normal circumstances, a PLC, the second PLC control system (processor, communication, I/O) independent operating, grasped the I/O control in ET200 slave station by the PLC of main system.PLC program in main system, back-up system is made up of nonredundancy (non-duplicated) user program section and redundancy (redundantbackup) user program section, main system PLC performs whole user programs, back-up system PLC only performs nonredundancy user program section, and skips redundant subscribers program segment.When main system is out of order, as cpu fault, power fail and network communication fault etc., automatically switch to emergency switching-off system redundancy function for subsequent use.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (5)
1. an ocean platform emergency cut-off system redundant apparatus, is characterized in that, comprises a PLC, 2nd PLC, one ET200M signal acquiring system, 2nd ET200M signal acquiring system, PROFIBUS fieldbus, first digital quantity input module, first digital output module, second digital quantity input module, second digital output module, a described PLC, one ET200M signal acquiring system, first digital quantity input module, first digital output module is main system, described 2nd PLC, 2nd ET200M signal acquiring system, second digital quantity input module, second digital output module is back-up system, a described PLC is communicated with an ET200M signal acquiring system by PROFIBUS fieldbus, described 2nd PLC is communicated with the 2nd ET200M signal acquiring system by PROFIBUS fieldbus, a described PLC, connected by CAT order wire between 2nd PLC, a described ET200M signal acquiring system, 2nd ET200M signal acquiring system, first digital quantity input module, first digital output module, second digital quantity input module, second digital output module is installed in frame, is communicated by core bus.
2. ocean platform emergency cut-off system redundant apparatus as claimed in claim 1, it is characterized in that, a described PLC, the 2nd PLC are S7-400.
3. ocean platform emergency cut-off system redundant apparatus as claimed in claim 1, it is characterized in that, the communication interface module of a described ET200M signal acquiring system, the 2nd ET200M signal acquiring system is IM153-2.
4. ocean platform emergency cut-off system redundant apparatus as claimed in claim 1, is characterized in that, described PROFIBUS fieldbus adopts 6XV1830-0EH10 order wire.
5. ocean platform emergency cut-off system redundant apparatus according to claim 1, is characterized in that, described first digital quantity input module, the second digital quantity input module are SM321, and the first digital output module, the second digital output module are SM322.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520791224.9U CN205015696U (en) | 2015-10-14 | 2015-10-14 | Urgent shutting -off system redundancy apparatus of platform |
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| CN201520791224.9U CN205015696U (en) | 2015-10-14 | 2015-10-14 | Urgent shutting -off system redundancy apparatus of platform |
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| CN205015696U true CN205015696U (en) | 2016-02-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353698A (en) * | 2015-10-14 | 2016-02-24 | 镇江赛尔尼柯电器有限公司 | Redundancy device for ocean platform emergency switching-off system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353698A (en) * | 2015-10-14 | 2016-02-24 | 镇江赛尔尼柯电器有限公司 | Redundancy device for ocean platform emergency switching-off system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhenjiang SaierNico Automation Co., Ltd. Assignor: Zhenjiang SaierNico Electric & Automation Co., Ltd. Contract record no.: 2016320000178 Denomination of utility model: Redundancy device for ocean platform emergency switching-off system Granted publication date: 20160203 License type: Exclusive License Record date: 20160721 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180118 Address after: 212009 Zhenjiang city in Jiangsu Province Economic Development Zone South Road two Patentee after: Zhenjiang SaierNico Automation Co., Ltd. Address before: 212009 Zhenjiang city in Jiangsu Province Economic Development Zone South Road two Patentee before: Zhenjiang SaierNico Electric & Automation Co., Ltd. |
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| TR01 | Transfer of patent right |