6FC52030AF020AA1功能模塊單價
6FC52030AF020AA1功能模塊單價
6FC52030AF020AA1功能模塊單價
6FC52030AF020AA1功能模塊獨立的概念是功能模塊化、抽象、信息隱蔽和局部化概念的直接結果。
6FC5203-0AF02-0AA1抽象是指對事物、狀態或過程之間所存在的某些相似的方面集中和概括起來,而暫時忽略他們之間的差異,即考慮抽象事物的本質特徵而暫時不考慮他們的細節。信息隱蔽是指再設計功能模塊時使得一個功能模塊內所包含的信息(過程或數據),對於不需要這些信息的功能模塊來說是不能訪問的。信息隱蔽原則對於以後在軟件維護期間修改軟件時會帶來極·的好處,因為大量數據和過程是軟件的其他部分所不能覺察的,因而再對某個功能模塊修改時就不大會影響到軟件的其他部分,所謂局部化是指把一些關係密切的軟件元素在物理位置上彼此靠近。
6FC5203-0AF02-0AA1功能模塊獨立性是通過制定具有單一功能並且和其他功能模塊沒有過多聯係的功能模塊來實現的。每個功能模塊只涉及該軟件要求的一個具體子功能,而且與軟件結構的其他部分的接口是簡單的。
6FC5203-0AF02-0AA1功能模塊獨立性好的軟件接口簡單,易於編制,獨立的功能模塊也比較容易測試和維護,限制了功能模塊之間由於聯係緊密而引起的修改副作用。獨立性是保證軟件質量的重要因素。
6ES7924-2CC20-0AC0 11臺
2080-IQ4OB4 面價868 30
6AV6651-7KA02-3AA4 8
6ES7155-6BU10-0CN0 2
6ES7131-6BF01-0BA0 3
6ES7132-6BD20-0BA0 3
6ES7134-4MB02-0AB0 3
6ES7132-4BB31-0AA0 3
6ES7972-0AB01-0XA0 3
6AU1435-2AA00-0AA0 3
6AU1435-0AA00-0AA1 1
6AU1400-2PA01-0AA0 2
6AU1400-2PA02-0AA0 1
6AU1400-2PA23-0AA0-Z, Z=M43 2
6AU1400-2QA20-0AA0-Z, Z=M43 4
6ES7307-1KA01-0AA0 1
6ES7953-8LL20-0AA0 1
6AV6647-0AD11-3AX0 1
6ES7322-IBH01-0AA0 1
322-1BH01-0AA0
6AV6643-0CD01-1AX1 1
6SL3126-1TE21-8AA4 1
Profibus接口卡 PDP800 -------
ModuleABB 1
24V電源模塊 SPS01 7760690156(ABB) 1
48V電源模塊 SPS02 7760690157(ABB) 1
CIMR-HF5S27P5C 1
Ds200TCPDG2Bec 1pc
IS200VTURH2B 1pc
TK8500V007 1pc
TK850
數字輸入模塊 6ES7526-2BF00-0AB0貨期12-18天 7
6RA2828-6DS21-0 1-------
1788-EN2DNR 面價26809 22
1756-OB16D 1 面價10368
1756-TBCH 1 面價1088
1756-OF4 2 面價15349
6ES7718-1CC12-0NC1 1
6ES7 370-0AA01-0AA0 8
6ES7 331-7TF01-0AB0 1
6ES7 322-8BH10-0AB0 1
CIPR-GA78 B4012 1
3HAC055412-001 1
AI815 2
3BSE052604R1
315-2AG10-0AB0 1
343-1EX30-0XE0 1
TSXP573634 1
IMPERIAL 08124800 08124800
HYDRAULIC VALVE DIVISION BD90 BD90
HONEYWELL 51304511100 51304511100
HOFFMAN ENCLOSURES PTRS362424XA PTRS362424XA
HOERBIGER ORIGA P55001004000-00755 P550010040000075
GOULDS PUMP 3196-6X8-13 31966X813
GIDDINGS & LEWIS 502-03927-03 5020392703
GIDDINGS & LEWIS 401-34401-00 4013440100
GENERAL ELECTRIC L90-G00-HPH-F8F-H6C-LXX-N6S-S6U-U6U-W7R L90G00HPHF8FH6CL
GENERAL ELECTRIC EVWHS553CD04 EVWHS553CD04
GENERAL ELECTRIC DS3800HAFA-1D1E DS3800HAFA1D1E
GENERAL ELECTRIC DS200IIBDG1ADA DS200IIBDG1ADA
GENERAL ELECTRIC DLP3512BB DLP3512BB
GENERAL ELECTRIC 837X67 837X67
GENERAL ELECTRIC 745-W3-P5-G5-HI-A-E 745W3P5G5HIAE
GENERAL ELECTRIC 6351091AC 6351091AC
GENERAL ELECTRIC 3VXJS628CD007 3VXJS628CD007
GENERAL ELECTRIC 3VWHS553CD03 3VWHS553CD03
GENERAL ELECTRIC 137D3051G01 137D3051G01
GENERAL ELECTRIC 12SBC23C1D 12SBC23C1D
GENERAL ELECTRIC 12SBC21A1D 12SBC21A1D
GE FANUC IC752SKT003 IC752SKT003
GE FANUC IC3600SSLB1 IC3600SSLB1
GE FANUC IC3600KRSS1A IC3600KRSS1A
GE FANUC A06B-0163-B575 A06B0163B575
FISHER ROSEMOUNT ES-72-70574 ES7270574
FANUC A860-0056-T020 A8600056T020
FANUC A20B-0006-0430 A20B00060430
FANUC A16B-1210-0030 A16B12100030
FANUC A06B-6058-H101 A06B6058H101
FANUC A06B-0707-B001 A06B0707B001
FANUC A06B-0614-B031 A06B0614B031
FANUC A06B-0581-B001 A06B0581B001
FANUC A06B-0522-B351 A06B0522B351
FANUC A06B-0502-B374 A06B0502B374
FANUC A06B-0353-B831 A06B0353B831
FANUC A06B-0147-B175 A06B0147B175
EUROTHERM DRIVES 590L/0350/9/1/1/0/0/00/000 590L035091100000
EUROTHERM DRIVES 590L/0350/9/1/0/0/0/00/000 590L035091000000
EUROTHERM DRIVES 590L/0350/9/0/0/0/0/00/000 590L035090000000
ENDRESS & HAUSER 93WA1-BA1A20RCBAAH 93WA1BA1A20RCBAA
ENDRESS & HAUSER 83F08-CFUDAANAB3AE 83F08CFUDAANAB3A
ENDRESS & HAUSER 83E25-AAASAAAABAAA 83E25AAASAAAABAA
EMERSON RT-460SB RT460SB
EEC AEG THYRO-3M-500-495-HF THYRO3M500495HF
DYNAMATIC 15-886-3 158863
DOMINO DPX-2000 DPX2000
CUTLER HAMMER NPBILL20 NPBILL20
CUTLER HAMMER NC31200WK NC31200WK
CUTLER HAMMER DH326NRK DH326NRK
CUTLER HAMMER CE55NN3B CE55NN3B
CUTLER HAMMER 1C17653G05 1C17653G05
CONTROL TECHNIQUES V7500ICD V7500ICD
CONTROL TECHNIQUES DXE-490W DXE490W
CARRIER 50BZN00651 50BZN00651
CARGOSCAN CS5200.3 CS52003
CABLETRON ESX-1320-F600 ESX1320F600
BALDOR CD1805R CD1805R
BAILEY CONTROLS INICT-03A INICT03A
BAILEY CONTROLS 6634163A3H 6634163A3H
AUTOMATED LOGIC MX8102 MX8102
ATLAS COPCO PF3107-G-HW PF3107GHW