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電源模塊的選擇
電源模塊選擇僅對(duì)于模塊式結(jié)構(gòu)的PLC而言，對(duì)于整體式PLC不存在電源的選擇。
電源模塊的選擇主要考慮電源輸出額定電流和電源輸入電壓。電源模塊的輸出額定電流必須大于CPU模塊、I／O模塊和其它特殊模塊等消耗電流的總和，同時(shí)還應(yīng)考慮今后I／O模塊的擴(kuò)展等因素；電源輸入電壓一般根據(jù)現(xiàn)場(chǎng)的實(shí)際需要而定。
對(duì)于小型控制系統(tǒng)或不需要在線編程的系統(tǒng)，一般選用價(jià)格便宜的簡(jiǎn)易編程器。對(duì)于由中、PLC構(gòu)成的復(fù)雜系統(tǒng)或需要在線編程的PLC系統(tǒng)，可以選配功能強(qiáng)、編程方便的智能編程器，但智能編程器價(jià)格較貴。如果有現(xiàn)成的個(gè)人計(jì)算機(jī)，也可以選用PLC的編程軟件，在個(gè)人計(jì)算機(jī)上實(shí)現(xiàn)編程器的功能。
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廈門(mén)莫格電氣自動(dòng)化有限公司
張芳（銷售工程師）
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ITT NEO-DYN 480VAC 15A 500 PSIG ADJUSTABLE PRESSURE SWITCH, 301P1-2C3K *NEW*
ASHCROFT 2-1/2" 160 PSI INDUSTRIAL DURALIFE PLUS GAU
DISC-INSTRUSTME?NT 3/8 IN SHAFT ENCODER UNKNOWN PART NUMBER
APPLETON EXPLOSION PROOF CONDUIT FITTING 3/4" EYF-EYM NNB
FESTO LR-QS-8 FOR TUBE PUN AND PAN 153542 NIB
ASHCROFT 2" 160 PSI 1/4" NPT POLYCARBONATE PRESSURE GAUGE, 20W1005PH-02B *NEW*
BEI 5-24VDC 3/8" SHAFT DIA. ENCODER, XH25D-SS-500-AB?ZC-7272-EM18
PEPPERL & FUCHS LMPB-A-D24 MOMENTARY LIGHTED PUSH BUTTON, NEW IN BAG
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SCIENTIFIC TECHNOLOGY INC. STI SOLID STATE RELAY OUTPUT, OS-1 *NEW*
O-Z GEDNEY 1-1/2" HUB MALLEABLE IRON CONDUIT BODY, C-150 *NEW*
DATAMETRICS 10245LDS8B1A ENCODER
NOSHOK -30IN.HG 1/8" NPT PRESSURE GAUGE, 15-100-30ZVAC/K?PA *NEW*
STEARNS 115VAC 60HZ COIL, 6-3-61159-09
GEMS 3.5-15PSI 5A 7/16"-20SAE MALE 220907 PRESSURE SWITCH,PS11-20-?4MSB-C-H *NEW*
BEI 5VDC 3/8" SHAFT DIA. ENCODER, H25D-SS-125-ABZ?-7406R-LED-EM16
GENERAL ELECTRIC 480VAC 5A ASTAT SOLID STATE STARTER, *LOT OF 2*
ASHCROFT 2-1/2" DIA. 60 PSI 1/4" NPT PRESSURE GAUGE, 436-05
NEWARK ELEMENT 14 CAN MS3106F14S-6P 7425529 NIB
BEI 3/8" SHAFT DIA. ENCODER, H25E-SB-7200-M5?-ABZC-8830-SM18
PRECISION INSTRUMENT CO. 2-1/2" 160 PSI 1/4" NPT PRESSURE GAUGE,102D-254F *NEW*
SPRECHER AND SCHUH CA7-23C-M40
SIEMENS 440V 0.57/0.33A MOTOR, 2CW5-155-0
COOPER CROUSE-HINDS 300V 3A 5P 4M MALE IN-LINE TO FEMALE CABLE, CHDN-EAE-D4*NEW?*
NORGREN 160 PSI 11 BAR 1/4" NPT PRESSURE GAUGE, 18-013-209 *NEW*
EBM * 115V 25/24W FAN * W2S115-AG03-13
SIEMON CAT5 FLAT SINGLE COUPLER, CT-5F-A4-04 *NEW SEALED*
MILLER HV2-61B4B-02.00?-6.000-0100-S22?- NNB
BALLUFF PROXIMITY SENSOR BES 516-327-G-S 4-H, 10-55 V DC 200 mA sn = 15mm
TURCK 250V 4.0A 4PIN LARGE PLUG BODY EXTENSION, WKE 4.4T-0.3-RSE 4.4T/S600 *NEW*
AMPHENOL SIZE 22 8POS 90 DEGREE CIRCULAR CONNECTOR PLUG, MS3108E22-23P *NEW*
DUCTOWIRE 1 SPEED INSERT #PB-1A (LOT OF 3)
WIEGMANN S2120171
LUMBERG 300V 7A3-POLE PARALLEL WIRED MINI STYLE DISTRIBUTION BOX, ZVS6-30
WOODHEAD BRAD CONNECTIVITY 300V 4A 5P 5M M/F CORDSET, 885S30D04M050 *NEW*
LEVITON 125V 15A 2-POLE 3-WIRE LOCKING PLUG, 7567-C *NEW*
OMRON PHOTOELECTRIC SENSOR E2E-X3D1-N 28104 NNB
TRERICE 230°F MAX, 110°C MAX THERMOMETER BX9140347 *NEW*
WEKSLER 3-1/2" STEM 9" SCALE 50/550°F ADJUST ANGLE THERMOMETER A935AF8-AL, NIB
T+H 115V 400W CARTRIDGE HEATERS, TYPE HLP *NEW LOT OF 4*
SIEMENS S7 24V DC SUPPLY VOLTAGE MODULE 6ES7 153-1AA02-0XB0 MISSING COVER
APPLETON 3/4" LR UNILET FORM 35 NNB
GC VALVES 24VDC SOLENOID COIL, HS4YN16 *NEW*
FESTO PRESSURE REGULATOR LR 3/8-D-MIDI P/N 173656 NNB
FALK 2.3730/2.3745 KW 5/8X5/16 HUB REBORE, 50R *NEW*
3M BLUE B ELECTRICAL SPRING CONNECTORS, *NEW LOT OF 24*
SIEMENS SWITCH WIRING UNIT 3RA1913-2A NIB
TOKYO FLOW METER CO USF200S-G10-1-A?2000
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