DBU-400係統模塊DBU400
DBU-400係統模塊DBU400
DBU-400係統模塊DBU400
DBU-400模塊獨立性
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。
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·大的好處,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。
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。
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。
ABB SB 171
3BHL000382P0101
3BHB000272R0001
DCS800-S02-0350-04
DCS800-S02-0025-04
DCS800-S02-0050-04
DCS800-S02-0075-05
DCS800-S02-0100-04
DCS800-S02-0140-05
DCS800-S02-0200-05
DCS800-S02-0260-05
DCS800-S02-0450-04
IC695CPE310
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5S6X 0445D0001 3BHL000382P0101 10
5SHX 0445D0001
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A5E35931202 1
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6FC5203-0AF20-0AA1
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6FC5210-0DF25-2AA0
USC329AE, 3BHB002482P201 8個
3BHB002483R0001
US B030 AE02 8個
WMIO-01C數量1
ABB REB670 x5pcs
2090-CFBM7DF-CDAF60
R900086397 1
SACE T2N 160 1
140NOE77111
A06B-6320-H343 1
6AT1131-6DF21-0AB0,數量:1
電源板PN072176P3/4-VX5A1HC1316 2
逆變模塊FF450R12ME4-EAV42327-00 9
YAMATAKE 51301880-100 51301880100
WESTINGHOUSE Y60M24T30N Y60M24T30N
WESTINGHOUSE WHUN31 WHUN31
WESTINGHOUSE PC-700A-10-103003 PC700A10103003
WESTINGHOUSE PC-1250-1042 PC12501042
VALMET A4400007D A4400007D
VALCO CINCINNATI 084XX512 084XX512
UBE INDUSTRIES DDVC/HV-J1 DDVCHVJ1
TOSHIBA VT130E3U430K VT130E3U430K
TELEMECANIQUE XGSC5142311 XGSC5142311
TELEMECANIQUE TSX-P107455 TSXP107455
TELEMECANIQUE LC1-F5004 LC1F5004
TECHNOTRANS 420.29.4500 420294500
TB WOODS WFC4040-0CHT WFC40400CHT
SYMAX 8030-CRM-565 8030CRM565
STROMBERG USART-86-INT USART86INT
STI MC47LR-12-1200-LCM100-10X-10R-RM1 MC47LR121200LCM1
STI 70016-1189 700161189
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SQUARE D MHL3670035DC2351 MHL3670035DC2351
SQUARE D ME36500LS ME36500LS
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SQUARE D HU364DS HU364DS
SIMPLEXGRINNELL 562-351 562351
SIEMENS SMP51-F SMP51F
SIEMENS DT062UW DT062UW
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SIEMENS 6AV76120AA120BF0 6AV76120AA120BF0
SIEMENS 1LAC03244FC21 1LA03244FC21
SIEB & MEYER K-258931 K258931
SCHWEITZER ENGINEERING 0387A0105X2X52X 0387A0105X2X52X
REXROTH R911308106 R911308106
REXROTH DM-15K-4101-D DM15K4101D
REXROTH 1070070309 1070070309
RELIANCE ELECTRIC S-6R9009 S6R9009
RELIANCE ELECTRIC S6R-9006 S6R9006
RELIANCE ELECTRIC 803456-51R 80345651R
RELIANCE ELECTRIC 803456-21 80345621
RELIANCE ELECTRIC 802220-12RG 80222012RG
RELIANCE ELECTRIC 6V41-096TA 6V41096TA
RELIANCE ELECTRIC 6754748-BH-T1 6754748BHT1
RELIANCE ELECTRIC 6693885-M6-T1 6693885M6T1
RELIANCE ELECTRIC 5VU41040 5VU41040
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RELIANCE ELECTRIC 3RA2004 3RA2004
RELIANCE ELECTRIC 0-60028-2 0600282
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OMRON CV500-VP227-E CV500VP227E
OMRON CS1H-CPU67H FNFP CS1HCPU67H
OMRON CFP0269 CFP0269
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MTS SYSTEMS CO MPM-1904R-1198 MPM1904R1198
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MOTION ENGINEERING INC PROSERIAL-800 PROSERIAL800
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MAXON SF-BRN-RSP SFBRNRSP