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1、數(shù)據(jù)高速公路管控網(wǎng)層MCN(Management and Control Net),
2、擴展輸入輸出層EIO(Extended Input/Output),
3、現(xiàn)場輸入輸出層FIO(Field Input/Output)。
MCN層是EDPF-NT+系統(tǒng)的上層信息網(wǎng)絡(luò),采用工業(yè)交換式以太網(wǎng)。MCN可以是通過智能網(wǎng)絡(luò)交換機連接起來的多個交換式以太網(wǎng),域間的智能網(wǎng)絡(luò)連接設(shè)備可以為各個子網(wǎng)之間提供進一步的安全隔離。在MCN層主要分布的節(jié)點為分布式過程控制站(DPU)、工程師站(ENG)、操作員站(OPR)、歷史數(shù)據(jù)記錄站(HSR)、制表站(LOG)、性能計算站(CAC)、功能接口工作站(GATEWAY)等
擴展輸入輸出層EIO網(wǎng)是國電智深公司開發(fā)的基于工業(yè)實時以太網(wǎng)的IO總線平臺,是EDPF-NT+過程控制站的控制器與I/O子系統(tǒng)信息交互網(wǎng)絡(luò)。
現(xiàn)場輸入輸出層FIO協(xié)議由接入系統(tǒng)的現(xiàn)場層I/O子系統(tǒng)設(shè)備提供。支持各種標(biāo)準(zhǔn)和私有的現(xiàn)場總線傳輸協(xié)議,如PROFIBUS DP,F(xiàn)IELDBUS、HART、MODBUS RTU和EDPF-NT+的IO總線IOBUS等
系統(tǒng)網(wǎng)絡(luò)結(jié)構(gòu)示意圖如下:
EDPF-NT分散控制系統(tǒng)圖
風(fēng)險識別:
1、工程師站是系統(tǒng)組態(tài)和系統(tǒng)維護的核心。工程師站負責(zé)規(guī)劃系統(tǒng)規(guī)模,創(chuàng)建工程、完成建域、建站、生成系統(tǒng)數(shù)據(jù)庫、生成監(jiān)視操作畫面、生成控制算法、生成報警功能、生成報表功能等。同時具有對過程控制站控制應(yīng)用軟件的下載和上裝等功能。工程師站安裝有工程管理器、工程服務(wù)器、安全策略生成器、工程組態(tài)和管理軟件包、點記錄批量操作工具、站管理工具、虛擬控制器以及時間同步工具等功能軟件。作為人機交互最為頻繁的節(jié)點,且同時具備對控制站進行下裝的關(guān)鍵節(jié)點,工程師站是整個系統(tǒng)中的高風(fēng)險點,一旦受到人為或非人為的病毒感染或攻擊,都會對整個系統(tǒng)的運行安全造成威脅。
2、鑒于工控DCS系統(tǒng)信息安全特殊性,各操作員站、歷史記錄站、制表站等基于Windows系統(tǒng)的節(jié)點都存在環(huán)境限制所不可修復(fù)的漏洞,這些節(jié)點都都存在被病毒感染和惡意代碼攻擊的危險。
3、多功能接口站擔(dān)負著與第三方計算機系統(tǒng)的大型數(shù)據(jù)雙向通信的功能,也是與信息網(wǎng)進行數(shù)據(jù)交換的關(guān)鍵接口,為保證數(shù)據(jù)和系統(tǒng)的安全性,工業(yè)防火墻的區(qū)域隔離是必不可少的。
4、在熱控電氣一體化的EDPF-NT+分散控制系統(tǒng)等含有多個域的控制系統(tǒng)中,域間沒有遵循國際ANSI/ISA-99區(qū)域防護理念進行域間隔離,以確保即使一個域受到安全威脅,也不會影響到其他域的正常運轉(zhuǎn)。雖然ACL技術(shù)可以實現(xiàn)子系統(tǒng)的隔離,但MCN網(wǎng)絡(luò)仍有域間威脅傳播的風(fēng)險,應(yīng)采取專業(yè)的域間隔離設(shè)備進行隔離以降低安全風(fēng)險。
5、第三方輔控裝置將數(shù)據(jù)采集信息匯聚到主控制網(wǎng)中,對主控網(wǎng)絡(luò)的信息安全造成威脅,應(yīng)針對OPC通訊的特點進行適當(dāng)?shù)木W(wǎng)絡(luò)防護
3.2針對EDPF-NT+分散控制系統(tǒng)風(fēng)險點的安全解決方案
1、在工程師連接MCN網(wǎng)絡(luò)間安裝工業(yè)防火墻
2、在MCN網(wǎng)絡(luò)中的操作員站,歷史站,制表站等節(jié)點使用工控可信計算平臺,對各節(jié)點進行基于底層的安全防護
3、在多功能接口站向第三方計算機系統(tǒng)提供接口的部位安裝工業(yè)防火墻
4、在第三方輔控裝置PLC控制器與MCN網(wǎng)絡(luò)連接的節(jié)點處安裝安全數(shù)采網(wǎng)關(guān)
示意圖如下:
5、在火力發(fā)電廠分散控制系統(tǒng)中有多個域的系統(tǒng),使用工業(yè)防火墻進行域間隔離,確保MCN網(wǎng)絡(luò)的安全威脅控制在有限的范圍內(nèi)
6、在MCN網(wǎng)絡(luò)中添加一臺服務(wù)器作為可信計算授權(quán)服務(wù)器和對工業(yè)防火墻進行管理和監(jiān)控的安全管理平臺。
解決方案整體網(wǎng)絡(luò)拓撲示意圖(火力發(fā)電廠分散控制系統(tǒng))
圖:含現(xiàn)場總線的EDPF-NT+分散控制系統(tǒng)單元一體化系統(tǒng)結(jié)構(gòu)圖
安全解決方案的所實現(xiàn)的目標(biāo):
1、 對工程師站進行重點的安全風(fēng)險管控,在不影響系統(tǒng)正常運行的情況下,對所有與工程師站的通信進行安全檢測及防護,降低高風(fēng)險點對整個系統(tǒng)的影響
2、對操作員站,歷史站等MCN網(wǎng)絡(luò)節(jié)點進行細胞級單體防護,依賴可信計算核心芯片保證各網(wǎng)絡(luò)節(jié)點自身系統(tǒng)和應(yīng)用的安全,從而降低對整個系統(tǒng)的安全風(fēng)險
3、確保第三方控制系統(tǒng)不會對本系統(tǒng)造成信息數(shù)據(jù)泄露的風(fēng)險,憑借特有的通訊數(shù)據(jù)檢測機制保證信息網(wǎng)不會對本系統(tǒng)的信息安全造成危害。
4、對關(guān)鍵設(shè)備的重點防護能夠確保作為保證控制系統(tǒng)正常運轉(zhuǎn)的最后一道屏障。
5、以區(qū)域隔離的理念對域間進行安全防護,保證單一車間或區(qū)域系統(tǒng)所出現(xiàn)的安全威脅不會影響到整個控制系統(tǒng)
6、以可信計算授權(quán)服務(wù)器和工業(yè)防火墻安全管理平臺組成的服務(wù)器將實時對網(wǎng)絡(luò)內(nèi)的安全設(shè)備進行管理和監(jiān)控,及時發(fā)現(xiàn)潛在的威脅風(fēng)險點,及時查找網(wǎng)絡(luò)中的故障點,并為系統(tǒng)的安全防護機制和改進措施提供有利依據(jù)
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SIEMENS AC SERVO DRIVE BOARD 6SC 6100-0NA11
SIEMENS AC SERVO DRIVE BOARD 6SC 6130-0FE00
SIEMENS AC SPINDLE DRIVE BOARD 6SC 6500-0NA04
SIEMENS AC SPINDLE DRIVE BOARD 6SC 6500-0UC01
Siemens Drive 6SC6100-0NA11 6SC6 100 6SC61000NA11
Siemens Simodrive Drive 6SC6100 6SC6 100 6SC6
Siemens 6SC6500-0NA44 PC Board for Drive 6SC65000NA44
Siemens 6SC6120-0FE01 SIMODRIVE Board #17395
Siemens 6SC6500-0BC01 PC Board for Drive 6SC65000BC01
Siemens Power Module 6SC6108-0SE02 #17393
Siemens SC7000 Monitor
Siemens SC 7000 Vital Signs Monitor
SIEMENS SIMODRIVE 6SC 6111-2AA00 LT MODULE
Siemens 6SC 6112-0AA00 6SC6112-0AA00 6SC61120AA00 Servo
One-day shipping available
SIEMENS - SIMODRIVE - 6SC6101-2B-Z -- THREE AXIS RACK
One-day shipping available
Siemens SIMODRIVE 6SC6120-0FE01 Power Module.
Siemens 6SC61-70-0FC50-?462 Control Board #7612
Siemens Simodrive 6SC6100-0NA21 Analog Control Board.
Siemens Simodrive 6SC6100-0NA01 Analog Drive Board.
Siemens Simodrive 6SC6130-0FE01 Power Supply
Siemens 6SC6500-0UC01 PC Board for Drive 6SC65000UC01
Siemens Simodrive 6SC6100-0NA01 Drive Board.
Siemens Simodrive 6SC6140-0FE00 Control Board
Siemens Simodrive 6SC6170-0FC50 Control Board
Siemens Simodrive Rack - 6SC6101-4A-Z
SIEMENS DRIVE BOARD 6SC6506-OAAO2 FAST SHIP SEE PHOTOS
SIEMENS - SIMODRIVE - 6SC6100-ONA1 ANALOG CONTROL CARD
One-day shipping available
Siemens SC6002XL Vital Signs Monitor
Siemens SC6002XL Vital Signs Monitor
Siemens SC6002XL Vital Signs Monitor
EBM G2D180-BD02-07 FAN 380V FOR 6SC65 SIEMENS NEW
Siemens Simodrive 6SC6100-0AA00 Brake Module.
SIEMENS SIMODRIVE RACK 6SC-6101-2A-1 NICE CONDITION
New Siemens 52SC6CEA1 Keyed 3 Pos Selector Switch C Cam
SIEMENS 6SC6170-OFC50 CIRCUIT BOARD NEW
SIEMENS 6SC6500-OUC01 CIRCUIT BOARD NEW
1 NIB SIEMENS SC3 AUXILIARY CONTACT KIT
1 NIB SIEMENS SC2 AUXILIARY CONTACT KIT
SIEMENS 6ES7-120-0AH01-?0AA0 TERMINAL BLOCK TB16SC !BNIB
SIEMENS 6SC6194-OF900 CIRCUIT BOARD NEW
SIEMENS ITE auxiliary contact kit SC6 "NIB"
Siemens 5SC21 1A 277V Din Rail Mount Breaker Used
One-day shipping available
Siemens/ITE SC1 Auxiliary Contact Kit
Siemens Switch Lock, 52SC6AX, Series F, #18530
SIEMENS SC1
Siemens SC3 ITE Auxiliary Contact Kit NIB
SIEMENS SIMADYN D 6DD3461-0AB0 CABLE SC58 40pin 2m NEW
SIEMENS SIMADYN D 6DD3461-0AE0 CABLE SC60 34pin 2m NEW
Siemens Simodrive 6SC6170-0FC51 - New In Sealed Box
Location: United Kingdom
Siemens 6SC6100-0GB12 6SC 6100-0GB12 6SC61000GB12
Location: United Kingdom
SIEMENS DRIVE 6SC 6120 0FE00
Location: United Kingdom
Dr?ger Siemens SC6002XL Multiparameter Patient Monitor
Location: United Kingdom
Siemens 6SC6100-0NA21 6SC 6100-0NA21 6SC61000NA21
Location: United Kingdom
SIEMENS DRIVE 6SC 6130 0FE00
Location: United Kingdom
Siemens 6SC6100-0GB11 6SC 6100-0GB11 6SC61000GB11
Location: United Kingdom
Siemens 6SC6100-0GC08 6SC61000GC08 6SC 6100-0GC08
Location: United Kingdom
Siemens 6SC6100-0GB12 6SC 6100-0GB12 6SC61000GB12
Location: United Kingdom
Siemens 6SC6100-0GE01 6SC 6100-0GE01 6SC61000GE01
Location: United Kingdom
聯(lián)系人:歐工
電話:0592-6803153
手機:18064468920
傳真:0592-5917519
QQ: 876430608
廈門光沃自動化設(shè)備有限公司是一家專業(yè)從事大型進口系統(tǒng)(集散式控制系統(tǒng)、可編程控制器、冗余容錯控制系統(tǒng)、機器人系統(tǒng))備件銷售。主營品牌Allen-Bradley,Schneider,ABB,Siemens,GE Fanuc等進口自動化系統(tǒng)備件銷售及系統(tǒng)集成的高新技術(shù)企業(yè),在公司全體員工的努力及廣大客戶和業(yè)界同仁支持之下,公司業(yè)務(wù)迅速拓展,業(yè)務(wù)范圍遍及華東、華南、華北、西南等全國各地,迅速成為自動化行業(yè)的后起之秀,公司以“為客戶創(chuàng)造價值是我們永遠追求的目標(biāo)”為宗旨,本著“質(zhì)量保證,誠信服務(wù),及時到位”的做事態(tài)度長期以往的服務(wù)于每一位新老客戶。在此,感謝新老客戶的長期支持,因為您的關(guān)注我們將更加專注。
主營產(chǎn)品,優(yōu)勢供應(yīng),充足庫存。
主營:世界知名品牌的PLC 、DCS 系統(tǒng)備件!
?Allen-Bradley: SLC500/1747/1746、MicroLogix/1761/1763/1762/1766/1764、CompactLogix/1769/1768、Logix5000/1756/1789/1794/1760/1788、PLC-5/1771/1785等。
?Schneider Modicon(施耐德莫迪康):Quantum 140系列處理器、控制卡、電源模塊等。
?ABB:工業(yè)機器人備件DSQC系列、Bailey INFI 90,ABB 變頻器等。
?GE FANUC(GE發(fā)那科):模塊、卡件、驅(qū)動器等各類備件。
?Invensys Foxboro(福克斯波羅):FBM01系列,F(xiàn)BM201系列.
?Invensys Triconex: 3008,3504E,3511系列。
?Westinghouse(西屋):1C311..系列,5X00..系列。?
?Bosch Rexroth(博世力士樂):Indramat,I/O模塊,PLC控制器,驅(qū)動模塊等。
?SIEMENS-3RF、3RV、3RK、3RN、3RB、3RS、3RP、3TC、3TX、3TK、3TF、3TH、3UG、3NE、6SB、6SY、6RY、6DD、6SL39、6SE70、6GT等系列這些系列價格絕對好.
?如果您需要,我們能夠解決您的缺損部分或交換,歡迎來電查詢!我們將會給您最優(yōu)質(zhì)的服務(wù)!
?我們以服務(wù)贏市場、以品質(zhì)贏關(guān)注、以誠信贏客戶、以絕對的優(yōu)勢,超低價格供應(yīng),讓我們共享盈利!!
?我們提供最好的服務(wù),可快遞代收貨款,現(xiàn)金支付等。全國統(tǒng)一發(fā)順風(fēng)快遞。
?如果您發(fā)現(xiàn)其他供貨商為相同產(chǎn)品提供更為低廉的價格,我們也愿意參照其價格向您提供進一步的折扣。若還有其他任何問題,請隨時與我們聯(lián)系!
聯(lián)系人:歐工
電話:0592-6803153
手機:18064468920
傳真:0592-5917519
QQ: 876430608