CN105022335B - 一种基于rs232通讯协议的plc上位机链接命令过滤方法及装置 - Google Patents
一种基于rs232通讯协议的plc上位机链接命令过滤方法及装置 Download PDFInfo
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- CN105022335B CN105022335B CN201510388441.8A CN201510388441A CN105022335B CN 105022335 B CN105022335 B CN 105022335B CN 201510388441 A CN201510388441 A CN 201510388441A CN 105022335 B CN105022335 B CN 105022335B
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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
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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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
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Computer And Data Communications (AREA)
Abstract
Description
识别码 | 名称 | 识别码 | 名称 |
RR | 读IR/SR区 | RE | 写RM区 |
RL | 读LR区 | WR | 写IR/SR区 |
RH | 读HR区 | WL | 写LR区 |
RC | 读PV | WH | 写HR区 |
RG | 读TC状态 | WC | 写PV区 |
RD | 读DM区 | WG | 写TC状态 |
RJ | 读AR区 | WD | 写DM区 |
识别码 | 名称 | 识别码 | 名称 |
WJ | 写AR区 | WE | 写EM区 |
R# | SV读1 | R$ | SV读2 |
R% | SV读3 | W# | SV改变1 |
W$ | SV改变2 | W% | SV改变3 |
MS | 读状态 | SC | 写状态 |
MF | 读错误 | KS | 强制置位 |
KR | 强制复位 | FK | 多重强制置位/复位 |
KC | 强制置位/复位的取消 | MM | 读PC类型 |
TS | 测试 | RP | 读程序 |
WP | 写程序 | MI | I/O表生成 |
组合命令 | XZ | 终止 | |
** | 初始化 |
Claims (8)
Priority Applications (1)
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CN201510388441.8A CN105022335B (zh) | 2015-07-03 | 2015-07-03 | 一种基于rs232通讯协议的plc上位机链接命令过滤方法及装置 |
Applications Claiming Priority (1)
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CN201510388441.8A CN105022335B (zh) | 2015-07-03 | 2015-07-03 | 一种基于rs232通讯协议的plc上位机链接命令过滤方法及装置 |
Publications (2)
Publication Number | Publication Date |
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CN105022335A CN105022335A (zh) | 2015-11-04 |
CN105022335B true CN105022335B (zh) | 2017-07-11 |
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CN201510388441.8A Active CN105022335B (zh) | 2015-07-03 | 2015-07-03 | 一种基于rs232通讯协议的plc上位机链接命令过滤方法及装置 |
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CN (1) | CN105022335B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106909121B (zh) * | 2015-12-22 | 2019-06-11 | 中国石油天然气股份有限公司 | 防呆控制方法及系统 |
CN105471895A (zh) * | 2015-12-29 | 2016-04-06 | 成都科来软件有限公司 | 一种可视化数据包过滤器配置系统及实现方法 |
CN107169383B (zh) * | 2017-06-08 | 2019-12-31 | 滨州学院 | 一种计算机网络安全控制器 |
JP6664547B1 (ja) * | 2018-10-29 | 2020-03-13 | 三菱電機株式会社 | プログラマブルロジックコントローラシステムおよびデータ解析方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP2400708B1 (de) * | 2010-06-22 | 2013-12-04 | Siemens Aktiengesellschaft | Netzwerk-Schutzeinrichtung |
EP2579540B1 (de) * | 2011-10-04 | 2017-07-19 | Siemens Aktiengesellschaft | Kontrolle eines kommunikations-inputs einer speicherprogrammierbaren steuerung einer automatisierungskomponente einer technischen anlage |
CN103780602A (zh) * | 2012-10-17 | 2014-05-07 | 北京力控华康科技有限公司 | 一种阻止震网攻击的方法 |
CN102932375B (zh) * | 2012-11-22 | 2015-10-07 | 北京奇虎科技有限公司 | 网络访问行为的防护方法和装置 |
CN102984170B (zh) * | 2012-12-11 | 2016-08-03 | 清华大学 | 一种工业控制网络安全过滤系统及方法 |
CN104394158A (zh) * | 2014-12-01 | 2015-03-04 | 浪潮电子信息产业股份有限公司 | 一种信息安全过滤方法 |
CN104486336A (zh) * | 2014-12-12 | 2015-04-01 | 冶金自动化研究设计院 | 工业控制网络安全隔离交换装置 |
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2015
- 2015-07-03 CN CN201510388441.8A patent/CN105022335B/zh active Active
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Effective date of registration: 20180615 Address after: 210000 5 floor, 3 software Avenue, Yuhuatai District, Nanjing, Jiangsu, 168 Patentee after: Jiangsu's software Polytron Technologies Inc Address before: 100083 No. 30, Haidian District, Beijing, Xueyuan Road Patentee before: University of Science and Technology Beijing |
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Address after: 3, building 168, 5, 210000 software Avenue, Yuhuatai District, Jiangsu, Nanjing Patentee after: Bozhi Safety Technology Co.,Ltd. Address before: 3, building 168, 5, 210000 software Avenue, Yuhuatai District, Jiangsu, Nanjing Patentee before: JIANGSU ELEX SOFTWARE TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220414 Address after: 226000 room 1402, 14 / F, building 11B, Zilang science and Technology City, No. 60, Chongzhou Avenue, development zone, Nantong City, Jiangsu Province Patentee after: Bozhi Xin'an (Nantong) Technology Co.,Ltd. Address before: 210000 5 floor, 3 software Avenue, Yuhuatai District, Nanjing, Jiangsu, 168 Patentee before: Bozhi Safety Technology Co.,Ltd. |