41391-454-01-S1FX41391-454-01-S1FX
41391-454-01-S1FX41391-454-01-S1FX
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【超售后】
我們售出所有備品備件的保修期均為一年、并且都經(jīng)過了嚴格的測試和認證 。
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《公司主營》:
<AB>: PLC 伺服驅(qū)動 伺服電機 電纜模塊 全系列產(chǎn)品。
<Siemens>: 300 400 PLC CPU 6DD 6FC 6GK 6EP 6GT 6GF 卡鍵 電源 伺服驅(qū)動 伺服電機 數(shù)控面板 810、802D SL、810D、840D 全系列數(shù)控產(chǎn)品
<FANUC>: A03B 模塊 A16B A20B A02B 板卡 A06B 伺服驅(qū)動 伺服電機 A05B 機器人備件,A860 編碼器 氧傳感器
<Rexroth>: 伺服驅(qū)動,伺服電機 電源模塊 全系列數(shù)控伺服
<Schneider>: 140PLC CPU 全系列 Lexium 05、Lexium 23 伺服驅(qū)動停產(chǎn)備件、Berger Lahr 全系列。
<ABB>:3HAC 3HNE 3HAB 機器人驅(qū)動,示教器 電纜 伺服電源 控制單元ADVANT OCS 和 Bailey INFI90 全系列。
<安川>:伺服驅(qū)動 示教器 伺服電源 控制板
隨著變頻調(diào)速技術(shù)的發(fā)展和人們對生活飲用水品質(zhì)要求的不斷提高,變頻恒壓供水系統(tǒng)已逐漸取代原有的恒速泵組切換加壓供水、調(diào)節(jié)閥門供水、高位水塔供水等供水系統(tǒng),廣泛應(yīng)用于多層住宅小區(qū)和高層建筑生活及消防供水系統(tǒng)。然而,運用單片機或PLC與變頻器結(jié)合為核心的供水控制系統(tǒng),往往會繼續(xù)使用原有系統(tǒng)的部分舊設(shè)備(如水泵),在對原有供水系統(tǒng)進行變頻改造的實踐中,往往會出現(xiàn)一些在理論上意想不到的問題。如單片機在硬軟件設(shè)計、程序調(diào)試難度較大,系統(tǒng)抗干擾性能較差;而采用帶有模人膜出的PLC,設(shè)備成本高,PID算法編程難度大,現(xiàn)場調(diào)試要求調(diào)試人員素質(zhì)比較高。因此對于難以確定數(shù)學模型且控制精度要求不太高的系統(tǒng)。將PLC與交流變頻調(diào)速技術(shù)相結(jié)合,采用實用有效的模糊控制算法,開發(fā)更易實現(xiàn)供水參數(shù)的調(diào)節(jié)、可靠性高、控制性能好的恒壓供水模糊控制系統(tǒng)具有很高的實用價值。 [b]1 變頻恒壓供水控制系統(tǒng)的設(shè)計 1.1系統(tǒng)設(shè)計方案分析[/b] 目前國內(nèi)多數(shù)供水企業(yè)水泵類機械的典型電氣傳動仍是用鼠籠式異步電動機驅(qū)動,因為它具有結(jié)構(gòu)簡單、運行可靠、維修方便、價格低廉等優(yōu)點。但其本身調(diào)速較難,故常為恒速運轉(zhuǎn);當需要調(diào)節(jié)流量時,則采用調(diào)節(jié)閥門的方法,這至少浪費20%的能源。統(tǒng)計表明,我國每年水泵消耗的電能約占電能總耗的20%以上,而電耗又占水費成本的6O%以上。
隨著我國經(jīng)濟的不斷發(fā)展,社會高度信息化,新的高科技技術(shù)不斷應(yīng)用到各個方面中,使得智能化已成為一種發(fā)展的必然趨勢。智能化也往往是從設(shè)備自動化系統(tǒng)開始。本文主要根據(jù)個人工作經(jīng)驗就一臺水冷螺桿機組來闡述PLC控制設(shè)計與智能化*空調(diào)系統(tǒng)的關(guān)系。 1.2 PLC原理及應(yīng)用 *空調(diào)冷凍系統(tǒng)的控制有3種控制方式:早期的繼電器控制系統(tǒng)、直接數(shù)字式控制器DDC以及PLC(可編程序控制器)控制系統(tǒng)。繼電器控制系統(tǒng)由于故障率高,系統(tǒng)復(fù)雜,功耗高等明顯的缺點已逐漸被人們所淘汰,直接數(shù)字式控制器DDC雖然在智能化方面有了很大的發(fā)展。但由于DDC其本身的抗*力問題和分級分步式結(jié)構(gòu)的局限性而限制了其應(yīng)用范圍。相反,PLC控制系統(tǒng)以其運行可靠、使用與維護均很方便,抗*力強,適合新型高速網(wǎng)絡(luò)結(jié)構(gòu)這些顯著的優(yōu)點使其逐步得到廣泛的應(yīng)用。 可編程控制器是計算機家族中的一員。于上個世紀中后葉被發(fā)明后,在機床、各種流水線的輸送機械、發(fā)電、化工、電子等行業(yè)工藝設(shè)備的電氣控制方面得到了廣泛的應(yīng)用,早期的可編程控制器被稱作可編程邏輯控制器(Programmable Logic Controller), 即簡稱為PLC。 PLC具有功能強大、使用可靠、維修簡便等許多優(yōu)點。對于傳統(tǒng)的繼電器電路來說,它難以實現(xiàn)復(fù)雜邏輯功能的和數(shù)字式控制,而且要實現(xiàn)一定規(guī)模的邏輯控制功能不僅設(shè)計繁瑣,難以實現(xiàn)升級,并易發(fā)故障,維修復(fù)雜,現(xiàn)在已被大中型設(shè)備的控制系統(tǒng)所拋棄。而PLC正被廣泛的應(yīng)用并且已逐步取代了繼電器電路的邏輯控制。隨著科學技術(shù)不斷的飛躍發(fā)展,PLC也不斷得到完善和強大,同時它的功能也大大超過了邏輯控制的范圍,如聯(lián)網(wǎng)通信功能和自診斷功能等。因此今天這種裝置被我們稱作可編程控制器,不過我們還是習慣簡稱這種裝置為PLC。
NEW ABB 58119687 SAFT 185 TBC REV D PCB CIRCUIT BOARD D467956
NEW FISHER 10A9484X072 VALVE BONNET ASSEMBLY STEEL D479983
RVSI 910-2 CIMATRIX OMNI CIX-L LASER BARCODE SCANNER
ALFA LAVAL SRU2NLS TRI CLAMP 1-1/2 IN STAINLESS ROTARY LOBE PUMP
NEW HONEYWELL 51404092-200 HIGH PERFORMANCE REV F I/O LINK MODULE
NEW TUTHILL 3006-21L2 311CFM ROTARY LOBE BLOWER 2-1/2 IN NPT
BAILEY IMCOM03 INFI 90 ENHANCED CONTROLLER 24V-DC 6VA PCB CIRCUIT
ALLEN BRADLEY 1336-C030-EOF 35KVA 575V-AC CONSTANT TORQUE AC
FOXBORO B0132WV-B MCU MODULE PCB CIRCUIT BOARD D473796
NEW ITT 24000-0811V JABSCO PUREFLO STAINLESS ROTARY LOBE PUMP
NEW LEPEL TR-2001 0710-0055 INDUCTION CAPPER CAP SEALER 230V-AC
CATERPILLAR CAT 6E-5927 TORQUE CONVERTER-REAR BRAKE COOLING OIL
CROUSE HINDS EBBRA604 RECEPTACLE EXPLOSION PROOF DISCONNECT
ATLAS COPCO 1614-6927-80 FLOAT VALVE 1/2IN NPT AIR COMPRESSOR
NEW SQUARE D MHF361000 3P 1000A AMP 600V-AC MOLDED CASE CIRCUIT
ALLEN BRADLEY 1336S-C030-AN-FR 30HP ADJUSTABLE FREQUENCY MOTOR
ALLEN BRADLEY 1336S-C030-AN-FR 30HP ADJUSTABLE FREQUENCY MOTOR
NEW FLOWSERVE 7001492 BEARING COLUMN TEE ASSEMBLY BRASS D476710
BAILEY P-HC-PLT-20221100 HARMONY BRIDGE HAC 24V-DC 5.1A AMP
ALLEN BRADLEY 1336-MOD-KC050 SER D 3750W DYNAMIC BREAK FOR AC
BTG BT-5000 ELEC PROGRAMMABLE BRIGHTNESS 110/220V-AC TRANSMITTER
ABB ACS501-040-4-00P21 3PH 40HP 440-500V-AC 0-500HZ MOTOR DRIVE
SIEMENS OP270 6AV6 542-0CA10-0AX0 SIMATIC PANEL INTERFACE PANEL
POST GLOVER PR04500P132/18993 36OHM 3100W RESISTOR
NEW HUB CITY 0221-15430 521 60:1 GEAR REDUCER D438603
MICANAN PRO H DOOR DRIVE JACKSHAFT OPERATOR 110V-AC 1/2HP
NEW EXIDE 118-302-583-A MOTHERBOARD PCB CIRCUIT BOARD B490008
NEW VALMET WIN1027201A END PIECE OF SECTIONAL ROLL 25 CONVEYOR
ABB BIAC-1000 TMP CONSISTENCY 230VAC 100W 50-60HZ ANALYZER
SIEMENS OP270 6AV6 542-0CA10-0AX0 SIMATIC INTERFACE PANEL 24V-DC
BAILEY IMSER02 INFI90 SEQUENCE OF EVENTS MASTER DATA INPUT MODULE
NEW DEUBLIN FS1250143-052 FS125S 3IN TO 2IN 150 STEAM UNION PIPE
GE FANUC VMIC VMIVME-7587 VME VMEBUS SINGLE BOARD COMPUTER CPU
NEW GENERAL ELECTRIC GE DS3800HPTK1G1J PCB CIRCUIT BOARD D449324
NEW GENERAL ELECTRIC GE DS3800HMPG1D1D PCB CIRCUIT BOARD D449325
NEW MARKEM SMART DATE KEY PAD OPERATOR INTERFACE PANEL D346953
NEW AEG MODICON 91-01446-00 120/230V-AC OPERATOR INTERFACE PANEL
BEST POWER SSEDA-0130C PCN-0079C CONTROL MODULE ASSEMBLY CIRCUIT
FISHER 8560 3620J 8 IN BUTTERFLY PNEUMATIC 150 STAINLESS CONTROL
NEW EDYNE GV1000-04-V-00 CONTROLLER D419009
NEW STOCK EQUIPMENT AC15444-4 MPC SWITCH PANEL REV A PCB CIRCUIT
NEW GE FANUC DS3800NEPB1C1C DS3800DEPB1A1A PCB CIRCUIT BOARD
NEW SIEMENS 500-5053 PEERLINK INTERFACE MODULE D377922
LOT 429 NEW JOHN CRANE 601EB-00625-00781-050 PACKING RING D394773
NEW WEG USCFW090030T3848ESZ CFW09 VECTRUE INVERTER 5KHZ 36A DRIVE
NEW FOXBORO 2AK-FF364 364FT W/ CONNECTOR ASSEMBLY 150V-AC CABLE-
SIEMENS 6FX1126-8BA00 SINUMERIK 570 268 9001 INTERFACE PCB
BENTLY NEVADA 3500/93 3500 DISPLAY MONITOR OPERATOR INTERFACE
NEW OHMART 239622 AX1706020 11 PCB CIRCUIT BOARD B410881
NEW WELLS FARGO ZAU-1 ALARM CONTROLLER PCB CIRCUIT BOARD B473243
NEW BOSCH 0811404639 4WRPEH 6 C B40L-2X/G24K0/A1M SERVO HYDRAULIC
NEW ALLEN BRADLEY 1756M13 CONTROLLOGIX5555 SER A MEMORY MODULE
NEW AEG MODICON AS-B875-002 ANALOG INPUT MODULE D471792
NEW ALLEN BRADLEY 2711-B5A10 PANELVIEW 550 SER H OPERATOR
ABB CI627A BUS ADMINISTRATOR COMMUNICATION 24V-DC INTERFACE
NEW STOCK EQUIPMENT 4-C15444 MPC SWITCH PANEL REV A PCB CIRCUIT
MOOG 760-851 THREADED SERVO HYDRAULIC VALVE D467352
CATERPILLAR CAT 129-9515 HARNESS CABLE-WIRE TRUCK EQUIPMENT
NEW ASEA DSPC 154 57310001-BY/4 EXPANDER PCB CIRCUIT BOARD
NEW BENTLY NEVADA 3500/93 3500 SYSTEM DISPLAY PLC INTERFACE
NEW GENERAL ELECTRIC GE 1572K17G700 AMPLIFIER PCB CIRCUIT BOARD
GE FANUC IC693DNM200-BD 90-30 SERIES 90-30 DEVICENT MASTER OUTPUT
NEW BENTLY NEVADA 3500/93 3500 SYSTEM DISPLAY PLC INTERFACE
NEW GENERAL ELECTRIC GE 1572K17G700 AMPLIFIER PCB CIRCUIT BOARD
GE FANUC IC693DNM200-BD 90-30 SERIES 90-30 DEVICENT MASTER OUTPUT
LIEBERT 4550007H-D SICE PWA UPS LOGIC 0220006U-C PCB CIRCUIT
NEW ALLEN BRADLEY 1791-32AO INPUT 79-132V-AC I/O MODULE D472412
NEW CONVAL 12G2RJ 2IN 1500 STEEL SOCKET WELD GLOBE VALVE
NEW HSB AUTOMATION 80-CP-ZSS-32AT10-210-800-1190 MECHANICAL LINER
OHMART LFXG-H-096-V6-H1-M4-S00 FIBREFLEX GEN2000 DETECTOR LEVEL
NEW GENERAL ELECTRIC GE 531X139APMAMM7 CARD MODULE PCB CIRCUIT
NEW MEASUREX 05325100 INPUT OUTPUT I/O COLOR SENSOR C PCB CIRCUIT
NEW MEASUREX 05325100 INPUT OUTPUT I/O COLOR SENSOR F PCB CIRCUIT
ACRISON W105-F VOLUMETRIC DRY CHEMICAL GEARED FEEDER B413799
ABB ACN6340120500000300902 ACS 600 0-300HZ 135A AMP AC MOTOR
NEW GOULD P421 MODICON 115/230V-AC POWER SUPPLY D454244
NEW FISHER 249 TYPE 2500R CONTROLLER LEVEL TRANSMITTER DISPLACER
NEW THEMIS TSVME-408 48 OPTO-ISOLATED INPUT CARD PCB CIRCUIT
GE 6VAF-343040C-A2 AF-300C 40HP 380-460V-AC 0.5-400HZ 60A AMP AC
HONEYWELL 80363969-150 HD IOP HPM A/O CC ANALOG 16 POINT OUTPUT
NEW GE FANUC IS200ISBDG1AAA PCB CIRCUIT BOARD D329110
OHMART LFXG-H-096-V6-H1-M4-S00-L2 FIBERFLEX LEVEL DETECTOR SENSOR
AURORA G6S-BF 80-12462 3 IN 2-1/2 IN REGENERATIVE TURBINE PUMP
ALLEN BRADLEY 1336F-CWF20-AN-EN 2HP 500/600V 575V 0/400HZ MOTOR
NORDSON 2304 S 1/3PH 5520W HOT MELT GLUE ADHESIVE APPLICATOR 200
NEW INDAG 50101632/BPM-19-09 STAINLESS CENTERING HEAD GUIDE
NEW PARKER VMY160L06NV1P 160 BAR SOLENOID HYDRAULIC VALVE D454377
CATERPILLAR CAT 129-9515 HARNESS CABLE-WIRE TRUCK HEAVY EQUIPMENT
ALLEN BRADLEY X-289352 RST-3 STARTING 3PH VOLTAGE TRANSFORMER
NEW INGERSOLL RAND 37165388 CHANNEL VALVE REPAIR KIT D482361
INGERSOLL RAND 650492-G43-B ARO PNEUMATIC CHOP CHECK PUMP D403127
NEW LABEL 6P4019042 SLIP RING UNIT CONNECTOR D309784
GENERAL ELECTRIC GE 4006L5001 POWER SUPPLY CARD PCB CIRCUIT BOARD
NEW PRECISION SCIENTIFIC 51220005 D 150 3/4HP VACUUM PUMP D459464
NORD 979027 950353H 970003E INPUT 1/2IN NPT MANIFOLD HYDRAULIC
OPTECH SENTINEL 3100 LONG RANGE LASER BASED LEVEL MONITOR 1-1/2A
NEW BECKMAN 7C 613900 THERMAL CONDUCTIVITY ANALYZER 120V-AC 2A
EDYNE 155902 ANALYTICAL 0-10PPM SCALE TRACE OXYZEN ANALYZER
ABB 3BSE010796R1 SE9934H395 PM825 MODULE S800 CPU PROCESSOR
ABB 3BSE010796R1 PM825 PR:B AC80:1.1/0 801SW010 MODULE CPU
NEW INTERMEC PX6I EASYCODER BARCODE LABEL PRINTER PTR FP WIRED
NEW BRUNSWICK SCIENTIFIC 4080 INNOVA INCUBATOR SHAKER 120/240V-AC
NEW CEGELEC 8151-4002 ANALOG OUTPUT MODULE D456011
HONEYWELL 14506952-R7044E 1092 HEATER CONTROL REV 5 PCB CIRCUIT
ALLEN BRADLEY 520G-DOD 110/120V-AC 50HP 90A REVERSING MOTOR
HONEYWELL 14506952-R7044E 1092 HEATER CONTROL REV 6 PCB CIRCUIT
GE FANUC DS200FCRLG1AFC PCB CIRCUIT BOARD D339509
NEW AEG MODICON 91-01430-00 CRT TOUCH SCREEN MONITOR INTERFACE
VARIAN 47614/4 AUTO SAMPLER FOR SUPER CONDUCTING MAGNETIC SYSTEM
MEASUREX 08592601 10165 D SCANNER CPU PROCESSOR MODULE ASSEMBLY
APPLIED LUBRICATION TECHNOLOGY FLUID HANDLING 10X15IN ALEMITE
NEW APV 05HP182607 1-3/8IN ID IMPELLER STAINLESS REPLACEMENT PART
NEW ELAU PMC-2/11/05/000/00/00/00/00/2K SERVO DRIVE 400V-AC 5A
PRECISE EQUIPMENT COMPANY FULLY AUTOMATIC PRESSURE DIFFERENTIAL
ALLEN BRADLEY 1336S-BRF75-AN-EN4 7.5HP 0-460V-AC 0-400HZ
NEW ALLEN BRADLEY C98043-A1682-L PCB CIRCUIT BOARD D403840
SIEMENS 1P7ML5004-2AA10-1A SITRANS LU 02 CONTINUOUS LEVEL
NEW HISPEED P2-80-120 REV C PCB CIRCUIT BOARD D413867
NEW FIREYE 25SU3-2000 9540-30 RACK MOUNTED FLAME SAFEGUARD
NEW BONITRON M3345-42BM00 REGEN CONTROL MODULE 27HP 460V-AC 30A
EMECANIQUE TSX P67 425 CPU PROCESSOR 5.2V-AC 100A D220591
RELIANCE 57C435A 0-57435-1 UNIT CPU 7010 PROCESSOR
ABB 2668 180-524/1 DSMB133 MEMORY MODULE CARD PCB CIRCUIT BOARD
NEW GENERAL ELECTRIC GE DS200LPPAG1ABA LINE PROTECTION PANEL
NEW CAPP/USA 22819-02 IR INFRARED DETECTOR B296363
NEW ALLEN BRADLEY 1336F-B050-AN-EN 50HP CONSTANT TORQUE AC MOTOR
ABB 3BSE003641R1 PM 150 CPU PROCESSOR MODULE D298207
NEW CATERPILLAR CAT 7D-8666 KING BOLT HEAVY EQUIPMENT REPLACEMENT
NEW ALLEN BRADLEY 1785-L60B/E PLC-5 ENHANCED PROGRAMMABLE
ALLEN BRADLEY 1336-C005-EAD-S1 PLUS 5HP 575V-AC 6.7A AMP AC MOTOR
NEW FOXBORO 2AX+TIM TIMER CARD STYLE A INTERFACE MODULE D507681
NEW ABB C1900/0363/0360A PCB CIRCUIT BOARD D463749
NEW ABB C1900/0263/0260A PCB CIRCUIT BOARD D463744
LOMA SYSTEMS SUPERSCAN MICRO ISC 3.9X8.9IN APERTURE METAL
LOMA SYSTEMS SUPERSCAN MICRO-ISC 4X9IN APERTURE METAL DETECTOR
ACRISON 120-48-09 02R0726 STAINLESS DRY SOLID VOLUMETRIC FEEDER
CE STANFIELD BH-6-30-9H HYDAULIC VIBRATOR D493501
NEW EMERSON MGE-455-CONS-0000 3000 RPM 240V-AC 8.8A AMP 2.46HP
NEW EMERSON MGE-455-CONS-0000 240V-AC 8.8A AMP 2.46HP 3PH SERVO