AB1771-DBMEM1厂家直销

AB1771-DBMEM1厂家直销

AB1771-DBMEM1厂家直销

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系统在设计时应使水泵在变频器和工频电网之间的切换过程尽可能快,以保证供水的连续性,水压波动尽可能小,从而提高供水质量。但元件动作过程太快,会有回流损坏变频器。为了防止故障的发生,硬件上必须设置闭锁保护,即1Q与4Q,2Q与5Q,3Q与6Q不能同时闭合。
2 系统软件设计
控制系统软件是指用梯形图语言编制的对3台泵进行控制的程序。它对3台泵的控制,主要解决系统的手动及自动切换、各元件和参数的初始化、信号及通讯数据的预处理、3台泵的启动、切换及停止的条件、顺序、过程等问题。
当变频器输出频率达到频率上限,供水压力未达到预设值时,发出加泵信号,投入下1台泵供水。当供水压力达到预设值,变频器输出频率降到频率下限时,发出减泵信号,切除在工频运行方式中的1台泵。系统刚启动时,情况简单,首先启动一号泵即可。但考虑3台泵联合运行时情况复杂,任1台或2台泵可能正在工频自动方式下运行,而其他泵则可能在变频器控制下运行,因此必须预先设定增减水泵的顺序。即获得加泵信号后,按照1号泵、2号泵、3号泵的顺序优先考虑。获得减泵信号后,按照3号泵、2号泵、1号泵的顺序优先考虑。
为了防止故障的发生,软件上也必须设置保护程序,保证1Q与4Q、2Q与5Q、3Q与6Q不能同时闭合。在加减泵时必须设置元件动作顺序及延时,防止误动作发生。

Mitsubishi FX730A Motherboard / Circuit Board PCB _ BN624E502H02 Rev *
SIEMENS SIMATIC NET CP 443-1 Advanced 1P 6GK7 443-1EX40-0XE0 Industriel Ethernet
Siemens 6EP1331-1SH01 LOGO 6EP1 331-1SH01
CINCINNATI MILACRON BOARD 3-531-3513A _ 35313513A _ 3-531-3581A _ 3-533-0018G
FRAKO RM 7412 Regolatore potenza reattiva RM7412
Mitsubishi MC712 / MC712B BN624A799G51 REV B Memory Module Board Card Mazak
New Sealed Automation Direct GSD5-240-10N4 IronHorse DC Drive 90/180V 1/8-2HP
Cincinnati Milacron 1-695-0402 _ 16950402 _ 1-695-O4O2 Resistor Module
St?ber Motoréducteur 0,25 KW 100 Minimum FREIN Vis sans fin
Siemens Teleperm M 6DS1312-8AB (6DS 1312-8AB)
Horton FMCB/E-8-38/1375 kit split 801647
New Sealed Allen Bradley 1756-A7 /B Pkg 2013 ControlLogix 7 Slot Chassis
Okuma Fanuc Hitachi Circuit Board PCB BMU 256-1 _ BMU2561 _ A871-0001-0017 08G
Todas Bradley 1336-GM1 BULLETIN 1336
SIEMENS SIMATIC S5 6ES5 942-7UA12 115U CPU 942 6ES59427UA12
Giddings & Lewis Switch Panel 878089 _ 878O89 _ Unit Assembly: 502-03104-10
rexroth 2750151111 SENSOR CABLE for CYLINDER 523-07 2750-1-5111-1
Lehner WLT opto-électronique capteur WLT100/506 24V DC
Bendix Printed Circuit Board PCB 3734484 J _ 3734484J
NACHI Variable Vane Pump VDR-1A-1A3-21 _ VDR1A1A321 _ 30l/min
HYUNDAI HIT8S Turning Center TURRET TOOL ASSEMBLY_HIT-8S_CNC LATHE
New Sealed Allen Bradley 872C-A10N18-R3 /B Proximity Sensor 2-Wire 20-250V AC Qt
Kl?ckner Moeller LE4-116-XD1 Numérique Output Modul 24VDC
New Rosemount 3051CG5A72A1AE5M5B4DF 3051C Coplanar Pressure Transmitter
Omron Inverter control panel 3G3IV-PJVOP161
New Sealed Siemens 6ES7331-7PF01-0AB0 6ES7 331-7PF01-0AB0 SM331 RTD Input
DOSAPRO MILTON 225350 Dosing pump 1 Piston metering pump
New Siemens 3RH1422-1BB40 3RH1 422-1BB40 SIRIUS Control Relay Latched Qty
Mitsubishi Circuit Board PCB_BN624E081*_BN624EO81*_LC1D_LCID
Allen Bradley 2711-T10G8 /B FRN 4.20 PanelView 1000 Gray/Touch/DH+/RS-232, Read!
schneider TM63D Système de déclenchement
ALLEN BRADLEY 170947 REV19 BOARD SP# 170948 W/60 DAY WARRANTY
SIEMENS 1HU5040-0AC01 Permanent servomoteur 1 HU5040-0AC01
MT Motor eléctrico Motor trifásico 0,25 KW 2750 min
Cutter iC60H , A9F06332 Circuit breaker iC60H 3p 32A B
USED E-Lo-Matic EDN 100 Pneumatic Valve Actuator
USED Eaton / Cutler Hammer HKDDC3400A1301T1001Z01 Circuit Breaker 400 Amps Shunt
New Turck FDNP-S0808H-WW Advanced DeviceNet? Station 4x2 I/O 11-26V DC Qty
HuK Dopag MR20 Operatore Pannello
Schneider Auto Circuit Board W8-1208043-01-05A_W8 1208043 01 05A_W91208043010A
USED Allen Bradley 1771-IAD/B PLC-5 120VAC Input Module w/o Terminal Block
Heidenhain Rotary Encoder Board 262 417 03 _ 26241703
SIEMENS 6ES5955-3LF11 Power Supply 6ES59553LF11
General Motion Servo Motor AM-075-A-NV-2_AM075ANV2_w/Speed Reducer 20MDV
New Allen Bradley 1794-IT8 /A Flex I/O Analog Input Module Thermocouple/mV Qty
Kitagawa S Type High Speed Rotary Hydraulic Cylinder Open Center Actuator Manual
Cincinnati Milacron PCB Assembly Board 3-531-4112A Rev A 35314112A
Siemens C20 5SY42 Interruttore magnetotermico 5SY4220-7 2 POLI 400v 20A
Nippon Gerotor 3 Phase Induction Motor Trochoid Pump TOP-1ME200-13MAVB ISB
Mitsubishi Permanent Magnet AC Servo Motor HA 100C S _ HA100CS _ OSE 5K-6-12-108
Siemens 6FX1-125-1AA01 _ 6FX1125-1AA01 _ 6FX11251AA01 PCB _ FERT # 3282
Bender D 207 M Moniteur De Fuite à La Terre Moniteur De Défaut De Terre
Eaton moeller FAZ-B20/2 20A B 15KA 2 POLI Interruttore magnetotermico miniatura
Fanuc PCB Circuit Board A20B-0007-0045/03B _ A20B00070045
Allen Bradley 1746 SLC500 TERMOCOPPIA
RELEX transmission KP40A-08/M2/LS/0P2 i=8
Rexroth MDD071A-N-030-N2S095Ga1 Servomotore top
Ingersoll Rand I/O Module Face 93978179 _ 93978500 _ 939785OO _ 93978138
kamble L408. 2118.25 L408211825
Lenze 8308_(a).1F. 23 Convertitore di frequenza 338122 5, 5KW
Nemicon Handy Pulser Pendant HP-L01-2Z9_HPL012Z9_HP-LO1-2Z9_PL2-200-119
AB1771-DBMEM1厂家直销
Siemens 6ES7131-4BB01-0AA0 6ES7 131-4BB01-0AA0 SIMATIC S7 DP Digital Input
USED Andover Controls Lcx800 Infinity Local Control Module Series 800
Siemens 6AV3 017-1NE30-0AX0 6AV3017-1NE30-0AX0 SIMATIC TD17-DP12 Text Display
SIEMENS 3RW3036-1AB14 Starter leggero 3RW30361AB14 testato
Todas Bradley 1771 1771VHSC
Fanuc System P Series _ FAPT Tracer Operator's Manual NC Tape Generation System
Asca SC B32Q B3 elettrovalvola solenoid valvola
Siemens 3RU2116-1AC0 overload relay RELè DI SOVRACCARICO 1,10 - 1,60 A
5 X Unidades siemens simatic 6ES7195-7HC00-0XA0
*NIB* (2) Nippon Linear Guide Way Rail Bearing Block SQT-15_26-001KL_F28NPA05810
pilz p1k 490250 220v
NEW MRC 8320 Angular Contact Ball Bearing MACH.BRONZE/ABEC-3
SIEMENS 1HU3078-0AC01-Z Servomotor 1HU30780AC01Z
NORDAC SK 3/600/64 filtro di rete 64 W
Bosch SD-B4 070 030-00 000 SD-B4070030-00000 SD-B4.070.030-00.000
Fanuc Input Unit A14B-0061-B114-01 _ A14B0061B11401 CNC
Okuma CRP BOARD-9 Circuit Board E4809-045-088-C_E4809045088C_1911-1580-63-54
Ricom Tape Reader PTR-230 Type P _ PTR230_PTR-23O_33740101_PTR-230S 3371 3301
Oriental Motor Gear Head 5GU50KB_Induction Motor_5IK90GU-ST2F
Siemens C 13, 5SU1656-7KK13 Fi Dispositif disjoncteur 300mA 230V 13A magnetot
OKUMA PULSE HANDLE JOG CONTROLLER _E5409-183-349_ E3051-977-004_CADET-V4020
Carel PCOE004850
JUMO TM020W-54/30 Trasduttore di misura Sorveglianza-temperatura
USED Allen Bradley 1756-OB16E/A ControlLogix DC Fused Output Module Rev. G01
Garner Motor Management Gmm Gmm EC/04.1 Comando Condensador para Kaeltetech
Mitsubishi Circuit Board FX15C BN624A328H01_REV C
AB1771-DBMEM1厂家直销
USED Fanuc A02B-0216-B505 Series 18-MB Card Slot Rack
*NEW* Shin Nippon Koki ESC12PT3/8-1 Flow Control Valve ESC 12-PT 3/8-1
Joyal Micro Processor Welding Control 85MUDC _ W-98018 _ 60 Hz _ 480 Volts
Unitek TV6 TV6-60-6 S
B&R AO 775 Module 2A0725. 6 Rev.05
ABB STROMBERG SAMC 23 VALLéE 57179724QJ
MITSUBISHI MEMORY CARD MC435A_CIN634A195G51A_REV *_C1N634A195G51A_109395
s+b RCQ 3200-70-0-71-11001-6-4-01-20-3 Thermostat De Contr?le Température digi
Sugino Selfeeder Mechatric MSPU-R3038SU Inline Drill Drilling Unit Self Feed
Siemens 5SY6105-8 Miniature circuit Breaker 5SY61 MCB circuit Breaker D 0,5 1P
SAMPUTENSILI ST2200539. 7 Tables de cuisson
Fanuc Circuit Board A20B-0003-0745 14F _ A350-0003-T744/08 _ A20B00030745
Parker NE B 40 - (5000) - 6 - S2 Netz-Einschubmodul/6 HE
USED Analog Devices 3B18-00 Wideband Strain Gage Input Module
Rexroth Solenoid Valve GS-020051-00440_GS02005100440_GS-O2OO51-OO44O
Allen Bradley 2707-V40P2 /B DTAM Plus Terminal VFD 40K RS232/485/Prt 85-265VAC
Allen Bradley 17710BD SéRIE C NOUVEAU
Toyoda PC Board TP-2424-1 Circuit Board TP24241
USED Fanuc A16B-2200-0853 Axis Control Board
Radisys Corp 8 Slot Chassis EMC-BP8 _ EMCBP8
New Allen Bradley 100-C16D10 /B MCS-C Contactor IEC 16A 110/120V Coil
New Allen Bradley 1756-IV16 /A ControlLogix Digital Input Module Qty
GE Fanuc A05B-2301-C371 R-J Pendant Teach Pendants Robot Controller
New Sealed Allen Bradley 2711P-T10C4A9 /A Pkg 2015 PanelView Plus 6 1000 Touch
SEW Eurodrive Movitrec 8208913 FRA 11
FESTO CPV-14-VL Ventilinsel CPV14VL cpv14 20831
CONTINATOR EXACTA MAQUINARIA PLáSTICA COLOR CE1100SM-D-2 SM-D
USED Allen Bradley 1771-IAD/B PLC-5 120VAC Input Module w/o Terminal Block
Leister Réchauffeur d'air 3300 état Parfait
New Sealed Endress+Hauser Deltapilot S FMB70-1L00 /0 Hydrostatic Level Sensor
Cincinnati Circuit Board 3-531-2412A Rev. B _ 35312412A
Allen-Bradley 100-C30DJ00 /C MCS-C Contactor 3-Poles 30A 24V DC Coil Qty
AEG Schneider Processor TSXP47455 _ 11:10C _ V: 5.6 _ TSX 47-455 _ TSX47455
Brook Crompton Parkington Motors 5RK40GK-CE _ 5RK40GKCE Motor w/Gear Box
Festo Elecronic FPC-201 Type E.I/O-M28 TN 8422
Siemens Servo Motor 1 HC5108-0DH90-1RU7-Z E 6E64 3685 _ Z: G20 K09
Siemens 6GK1502-3CA10 6GK1 502-3CA10 PROFIBUS OLM/P12 v3.1 Optical Link
USED Fanuc A06B-6087-H126 Spindle Amplifier Power Supply Module Rev. G
AB1771-DBMEM1厂家直销
BARBER COLMAN MACO 4000 _ A 13962 2 _ A139622 M5500 PCB _ A-13962-2 *AS-IS*
bene serie pura PT4-5087-000A06F02 valvola DD5064634uFV064
PHILIPS Temperature regulator 9404-420-62331 940442062331
New Sealed Allen Bradley 855BL-N24DH4 /A 855BL Round Red Beacon 160mm 24V AC/DC
Alre JTF-2 Thermostat antigel
NEW IN BOX Quantity 3 4000 Amp Gould Shawmut Amp Trap Fuse
Hirschmann Ara?a 5TX Rail Interruptor
OKUMA OSP3000 Photocoupler Input Board E0241-653-017 B _ E0241653017B
LIDERAZGO-ESPIRAL 25X45 4m 2,5x4,5mm Espiral de alambre Hilo cable Guía
Cincinnati Circuit Board PCB 3-533-0769G Rev D _ 35330769G _ 41920613
MARPOSS UNIMAR_8QJ5438_8QJ5410
USED Fanuc A16B-2200-0430/02A Remote I/O Motherboard