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PLC內存有用戶及系統(tǒng)兩大部分。用戶內存主要用以存儲用戶程序，個別的還將其中的一部分劃為系統(tǒng)所用。系統(tǒng)內存是與CPU配置在一起的。CPU既要具備訪問這些內存的能力，還應提供相應的存儲介質。
用戶內存大小與可存儲的用戶程序量有關。內存大，可存儲的程序量大，也就可進行更為復雜的控制。從發(fā)展趨勢看，內存容量總是在不斷增大著。大型PLC的內存容量可達幾十k，以至于一百多k。系統(tǒng)內存對于用戶，主要體現(xiàn)在PLC能提供多少內部器件。不同的內部器件占據(jù)系統(tǒng)內存的不同區(qū)域。在物理上并無這些器件，僅僅為RAM。但通過運行程序進行使用時，給使用者提供的卻實實在在有這些器件。
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廈門莫格電氣自動化有限公司
張芳（銷售工程師）
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Q Q：177763184
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WESTINGHOUSE GATE DRIVE ID7750G01 / 5881C51G REV-2
WESTINGHOUSE 600A 3POLE 600V CIRCUIT BREAKER LA3600F
WESTINGHOUSE 600VAC 25A 3-POLE MOTOR CIRCUIT PROTECTOR HMCP025D0C
WESTINGHOUSE 300VAC CONTROL RELAY MODEL-E BF44F / 765A864G01
WESTINGHOUSE CONVERTER BOARD ASSEMBLY 5879C86G01
WESTINGHOUSE 3PH 13800-2400/1386?V AL 5000/5600KVA SUBSTATION TRANSFORMER RSL
WESTINGHOUSE JD-K 250A 3-POLE CIRCUIT BREAKER SER.C JD3250K
WESTINGHOUSE 6 POLE 300V INDUSTRIAL CONTROL RELAY BF66F
WESTINGHOUSE * 3 POLE CIRCUIT BREAKER 50A 600V * 1222036
WESTINGHOUSE 3-POLE, 600VAC, 225A CIRCUIT BREAKER HK3225F W/ 150A TRIP UNIT
WESTINGHOUSE TYPE C0-4 OVERCURRENT RELAY 264C897A05
WESTINGHOUSE 600V 400A 3 POLE INDUSTRIAL CIRCUIT BREAKER, KDB3400W SER. C
WESTINGHOUSE 400A 600VAC 3 POLE CIRCUIT BREAKER LBB3400
WESTINGHOUSE 60MA AC RELAY 112XAX 147 / 1419344
WESTINGHOUSE 30A 480VAC 3 POLE CIRCUIT BREAKER EHB303L
WESTINGHOUSE 4160V 150KVAC FILM-VAR CAPACITOR STYLE 1N03300A16F
WESTINGHOUSE ITAP-365 3PH 3 WIRE 600V 400A FUSIBLE BUSWAY SWITCH 2567D86G02
ABB WESTINGHOUSE 3PH 13800-4160/2400?V 750KVA SUBSTATION TRANSFORMER TYPE RSL
WESTINGHOUSE CURRENT LIMITER LFB3150R / 2607D44G04
WESTINGHOUSE 3PH 3 WIRE 600V 600A BUS DUCT FUSIBLE SWITCH ITAP-366
WESTINGHOUSE EHB3040 CIRCUIT BREAKER 40A 480VA
WESTINGHOUSE 600VA 30A CIRCUIT BREAKER FB3030
WESTINGHOUSE TYPE BA 40A CIRCUIT BREAKER BAB3040H
WESTINGHOUSE BF CONTROL RELAY MODEL-E 765A857G01 / BF22F
WESTINGHOUSE 30A 600VAC SAFETY SWITCH TYPE-A AF-351 / 1606814
WESTINGHOUSE PUSHBUTTON LOT OF 11 PB1E MODEL B
WESTINGHOUSE 3-POLE 15A 600V CIRCUIT BREAKER W/ ATTACHMENTS FB3015L *LOT OF 3*
WESTINGHOUSE 30A 600VAC 250VDC DS DISCONNECT SWITCH 1230C28G01 / DS16U
WESTINGHOUSE 480VAC 30A 3-PHASE BUSWAY FUSIBLE SWITCH CW07136-P01
WESTINGHOUSE 400A DISCONNECT SWITCH 1288C08G09
WESTINGHOUSE 600VAC 120VAC MODULAR OVERLOAD RELAY MODEL-A 1373D02G34 / MORA1MAE
WESTINGHOUSE TRANSFORMER BUSHING 234C115G05
WESTINGHOUSE * 60A 600VAC HEAVY DUTY SAFETY SWITCH * HFN362
WESTINGHOUSE 15A 600AC F-
WESTINGHOUSE 20A SINGLE POLE CIRCUIT BREAKER LOT OF 6 NO PART NO.
WESTINGHOUSE 3-POLE, 600VAC, 600A CIRCUIT BREAKER NB3800PF W/ 400A TRIP UNIT
WESTINGHOUSE 100A 600VAC TYPE-12 HEAVY DUTY SAFETY SWITCH JHFN363
WESTINGHOUSE ITAP-367 3PH 3 WIRE 600V 800A FUSIBLE BUSWAY SWITCH 1449D09G01
WESTINGHOUSE 30A TYPE DS DISCONNECT SWITCH DS121 / 626B100G04
WESTINGHOUSE 3-POLE, 600VAC, 400A MARK 75 AB DE-ION CIRCUIT BREAKER HKL3400F
WESTINGHOUSE FB TRI-PAC 600VAC 100A 3-POLE 40C CIRCUIT BREAKER FB3100PL
WESTINGHOUSE * 60A 240VAC SAFETY SWITCH * GFN322N
WESTINGHOUSE 3055 CIRCUIT BOARD POWER SUPPLY BOARD 5879C98G02
WESTINGHOUSE QUALITROL LIQUID LEVEL GAUGE DAL-036-45
WESTINGHOUSE 3-POLE 1200A 600VAC SELTRONIC CIRCUIT BREAKER HNC31200FM 1373D86G07
WESTINGHOUSE BFF20B 1276C52G13 RELAY, NIB
WESTINGHOUSE CONTACT BLOCK MOD-B 9084A18G01 NIB
WESTINGHOUSE 10A 250VAC 0.5A 125VDC GROUNDGARD RELAY 5264V10-H01
WESTINGHOUSE 3-POLE, 600VAC, 225A MARK 75 AB DE-ION CIRCUIT BREAKER HK3225F
WESTINGHOUSE 277VAC 20A SINGLE POLE CIRCUIT BREAKER 369D669G02
WESTINGHOUSE 3-POLE, 600VAC, 1600A AB DE-ION CIRCUIT BREAKER PA31600F
WESTINGHOUSE 3PH 13800-480/277V AL 1000/1120KVA SUBSTATION TRANSFORMER TYPE RSL
WESTINGHOUSE 3PH 13800-480/277V AL 2000/2240KVA SUBSTATION TRANSFORMER TYPE RSL
WESTINGHOUSE 1200A 5kV PORCEL LINE AIR CIRCUIT BREAKER 50DHP350 / 691C731G19
WESTINGHOUSE PHASE UNBALANCED MODULE 2608D22G17 / PUM NIB
WESTINGHOUSE EHB1030 CIRCUIT BREAKER 30A 277VAC
WESTINGHOUSE 300:5A 50-400HZ 600V CURRENT TRANSFORMER 3486C98H03
WESTINGHOUSE CIRCUIT BOARD 1492A11/204P443?H01E
WESTINGHOUSE 800A, 600VAC, 3-POLE LOW-VOLTAGE CIRCUIT BREAKER DSL-206, BARRIER
WESTINGHOUSE 20 AMP CIRCUIT BREAKER FB3020L
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