MKD090B-047-KP1-KNIKB0012厂家直销

MKD090B-047-KP1-KNIKB0012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。

New Sealed Siemens 6ES7407-0DA00-0AA0 SIMATIC S7-400 PS 407 Power Supply
Phoenix Contact QUINT-PS-100-240AC/24DC/10 Power Supply Unit 2938604 D0014165
USED Bently Nevada 3500/40M Proximitor Monitor 3500 Series PWA 140734-01 Rev. K
s+b TQD 260 A Control de temperatura regulador 380058144 0-300 GRAD
*NEW* Parker Gage Isolator GT400S-40JT _ GT400S40JT
KEB COMBIVERT F5 Frequency converter 20F5G0H-340F
New Allen Bradley 802T-NX26 /1 Limit Switch Non Plug-In Lever Type NEMA 4/13
IFM SI1010 Flow sensors S1D10ADBFPKG/US Flow-keeper
knick 71-21
New Rosemount 3051TG5A2B21AE5M5T1B4 3051T In-line Pressure Transmitter
Sperry Vickers Valve DGMX1-3-PP-AW-22-S _ DGMX13PPAW22S
Allen Bradley 1771-OBN 10-30 VDC OUTPUT MODULE
Mitsubishi Mother Circuit Board PCB A20B-0008-0410/08D_A20B0008041008D
Lesson Speedmaster Adjustable Speed AC Motor Control 174920 w/cord 1hp 2.8/2.4a
Siemens 5SY6504-8 Dispositif disjoncteur 5SY65 MCB disjoncteur D 4 1+N
OKUMA OPERATION & PROGRAMMING MANUAL_2137-E-RI_LC10_LC20_LC30_LC40_LC50_2137ERI
New Allen Bradley 2711-B6C20L1 /C PanelView 600 Color/Touch/Key/EtherNet
Siemens 3RT2024-2AC20 protection contacteur 24V AC-3 5,5kw
Siemens 5SY6315-7 Dispositif disjoncteur 5SY63 MCB disjoncteur C 1,6 3P
Siemens 6SE6440-2AD31-1CA1 MICROMASTER 440 AC Drive 380-480VAC 3-PH 11kW
SEM Ferrite Brushed DC Motor MT30R4-58_MT30R458_MT 30R4-58_Bridgeport 1551205
Gefeg Neckar 8 watt 178min getriebemotor
Siemens SIMATIC 6ES7 321-1BL00-0AA0 6ES7321-1BL00-0AA0 New
Gould Modicon J474 Communication Option _ AS-J474-000 _ ASJ474000
DAIKIN SOLENOID VALVE KSO-G02-4CA-30-EN_KSOG024CA30EN_KS0-G02-4CA-30-EN
Lenze moteur électrique EX EX SKG 63-4A 0, 12KW 1380 min 230-400V
SIEMENS SIMATIC 6ES5350-3KA21
HEIDENHAIN 250 048 24 Rotary encoder 25004824 Rod 426.0010-150
Kearney & Trecker Control Module Power Supply 1-21977-1_121977_1219771
Japan Servo Co Ltd DC Servo Motor DS70S _ DS7OS _ 640-02 _ 64002 _ 302538-05
SIEMENS 3RU2126-4NC0 Relè di sovraccarico 23-28 A OVERLOAD RELAY
Commande Température s+b RCQ 5700-71-111-7-40 Régulateur Température Digitemp Mc
SANYO DENKI AC SERVOMOTOR BL SUPER_P1_P10B13100HXS22_1.0 kW_AC200V_8.3 A
SIEMENS 6SE7012-0TP50-Z MASTERDRIVES MC 6SE7 012-0TP50-Z
USED Allen Bradley 1756-L55/A ControlLogix Processor w/ 1756-M14/A Rev. H01 G02
New Sealed Siemens 6ES7 432-1HF00-0AB0 6ES7432-1HF00-0AB0 SIMATIC S7-400 Output
LOT of (2) Western Reserve Controls Relay Board 1781-A24A_1781A24A_96073941
USED Adtech RBX 274 Two Wire Transmitter Module
Sanyo Denki Pickup Unit RST-3XB-11_RST3XB11_Spec No BK0-NC6075
Total Tension Solutions Easy Cal Amplifier ECD-10 _ ECD10 _ C785-01 425015
Cincinnati Circuit Board 3-531-2578A Rev A _ 35312578A
Siemens 6ES7952-1AK00-0AA0 6ES7 952-1AK00-0AA0 SIMATIC S7 MC952 Memory Card Qty
Il mandrino per Diamante abrichten rotolo far scorrere il rotolo 52h2 x 206mm kw
DSM Circuit Board PCB CMP 1.0 _ CMP10 _ 8301 _ CMP 1.0-S 070 999
SIEMENS 3TF50 44-0AP0 PROTECTIVE 3TF50440AP0 55kw contactor contactor
Okuma CNC MC-H/VH40 OSP7000M OSP7000 MC-H VH-40 Manual
SIEMENS 6SN1161-1CA00-0AA1 Simodrive Connecting cable 6SN11611CA000AA1
Motovario 0,18 kw 45 minimum nmrv040 motoréducteur T63b4 bo?te de vitesse
GE CP3B-0WEB-0070-AZA SHIELD MOTOR POWER CABLE FOR B8IS MOTOR W/60 DAY WARANTY
Siemens 6ES7357-4AH03-3AE0 SIMATIC S7-300 FM 357-2 System Firmware L v05.03.03
USED Fisher Rosemount KJ3222X1-BA1 Delta V Series 2 Analog Input Module Rev. K
Electronics Corporation of America 42MRP-5000 /A Photoelectric Sensor, Qty
New Sealed Turck RKM 66-2M 6-Wire Cordset 2m 600V 8A
Dynapath Delta Processor (XPM) PCB Module 4202256 C _ 4202256C _ T4202257 A
Allen Bradley 2097-V33PR3-LM /A Kinetix 350 Servo Drive 120/240V AC 1kW 5.7A
NEW FAG 6313ZRN Single Row Deep Groove Ball Bearing
INDRAMAT MDD115A-N-030-N2L-180GB1 Servomoteur
Balluff BES M18MD-PSC12E-S04G-W DETECTOR DE PROXIMIDAD INDUCTIVO
New Siemens 6ES7138-4FA04-0AB0 6ES7 138-4FA04-0AB0 SIMATIC Digital Input
USED ABB DSQC 232 Display Module Control Board YB560103-BR/3
Schaffner Three-Phase Filter Model FN258-42-07_FN258-42-O7_FN2584207_FN25842O7
MKD090B-047-KP1-KNIKB0012厂家直销
USED ABB DSQC 230 Control Board YB560103-BN
SIEMENS 3SE3 120-1R Interruttore di posizione 3SE3200-1R 3SE3200-1
SIEMENS SIMATIC 6ES7 131-4BF00-0AA0 6ES7131-4BF00-0AA0 New
USED Black Box SW058A-FFFFF 5 POSTTTION ABCDE Switch
EUCHNER NM02RBA-M 084517 Safety switches
New Siemens 6ES7 317-2FK14-0AB0 6ES7317-2FK14-0AB0 SIMATIC S7-300F CPU 317F-2
Fanuc E-Stop Board A20B-1006-0300/05C _ A20B1006030005C _ A2OB-1OO6-O3OO/O5C
Fanuc AXIS Control Board_PCB_A16B-1211-0271/04A_A16B1211027104A_A16B-1211-0271
SIEMENS CERBERUS 120VAC MPS-12 POWER SUPPLY 315-092030 W/ 60DAY WARRANTY
New Allen Bradley MPL-B4520P-MJ22AA /A Brushless Servo Motor 460V 5000RPM Qty
contr?le capacité CS225 numérique controller controset cs 225
FREE SHIPPING_ Fanuc Pulse Generator A860-0200-T020 _ A8600200T020
Mitsubishi GX 96D Circuit Board BN624B548H02 Cincinnati 1210 UNIV Turning Center
Mennekes 16A DUO mecánica bloqueado enchufe 5100AC 16 A-6h 380-415V
SIEMENS 1FT6044-1AF71-3AG1-Z SERVOMOTORE SERVO MOTORE CON ALPHA CAMBIO
Bauer Motoréducteur 0, 025KW 1,3 Minimum type G064-10-D048-141-L Munters
ifm electronic IGA2005-FRKG/IG5594 Inductif capteur capteurs de proximité
Siemens 6ES7151-8FB00-0AB0 6ES7 151-8FB00-0AB0 IM151-8F PN/DP CPU Interface
Siemens Sitop Power 10 6EP1334-1AL11 Rifornimento corrente 6EP113341AL11 E2
INDRAMAT CLM 01.3-X-0-2-0 Servo Controller CLM01. 3 X 020
LOT OF (4) NUMATICS SOLENOID VALVES _ L23BA452B
Siemens 5SY4406-7 Dispositivo disyuntor 5SY44 MCB circuit Breaker C6 4P
New Sealed Siemens 6ES5 375-1LA15 6ES5375-1LA15 SIMATIC S5 MS 375 Memory 8KB
Schneider Automation Telemecanique Lexium 17D Drive MHDA1008N00 _ MHDA1OO8NOO
Prometec K300 K302 Process Monitor Operating Manual
Siemens 7PR3051-1 Compteur 0,25 - 45 minimum 7PR 3051-1
MKD090B-047-KP1-KNIKB0012厂家直销
Mitsubishi Mini Geared Motor GM-EJF _ GMEJF _ 0.1 KW _ 4P _ Phase 3
Okuma OPUS 5000 ECP Card3 Circuit Board E4809-653-008 _Okuma VMC MC-4VA 59120217
MAHO Phillips Input/Output Module Circuit Board 4022 226 3621_40222263621
Howa CNC Lathe Power Chuck Actuator HH21CA175 2.5" Hole
Horton FMCB 8-38 facing kit solid 801648
ESIWELMA URP20SS gas detectores de GPL GLP gas detector ex
Recif S.A Batch aligner micro controller 104775 microcontroller
Porter Motor 181-18-0298-0 _ 1811802980
Siemens 6GK7443-5FX02-0XE0 6GK7 443-5FX02-0XE0 SIMATIC S7-400 CP443-5 Processor
Commande Température s+b RCQ 5700-71-111-7-40 Régulateur Température Digitemp Mc
Geddings & Lewis PiC900 502-03814-60R
USED Cisco WS-C2950T-24 Catalyst 2950 24 Port Ethernet Switch
ABB Transmitter 2010TD 15712T228106
MITSUBISHI E500 FR-E520-0.4K-NA INVERTER, VTC-160A
Allen Bradley 1746-NI4 /A 1746-N14 SLC 500 High Resolution Analog Input Qty
ifm IA5122 IAE2010-FRKG Inductive Sensor
New Allen Bradley 800MR-A2B /C 22.5mm Type13 Momentary Contact Push Button Qty
Mitsubishi HD 100-11S DC Servo Motor CNC_HD100 11S HD10011S_*NO TAG ON ENCODER*
SIEMENS 3RV1421-1KA10 Miniature Circuit breaker Circuit Breaker
New Sealed Phoenix Contact FL SWITCH SFN 5TX Ethernet Switch 10/100 Mbps
SIEMENS 6SN1161-1CA00-0AA0 Simodrive Cavo di collegamento
Inland Motor Kollmorgen Drive Circuit Board C786T9-2 Rev. 6 _ C786T92
Allen bradley MPM-B1652F-MJ74AA SERVOMOTEUR
Mitsubishi CNC Meldas 500M Series Electric Automation BNP-B2022*-E Programming
USED Edstrom Watchdog System 6100-9001-010 Local Processor Unit Rev. B
Siemens 6ES7193-7CA00-0AA0 6ES7 193-7CA00-0AA0 SIMATIC TM-EM/EM60S Terminal QTY
MTS Sensor Temposonics MK 292 MK292-1001 REV.6 mk292-1001
ALLEN BRADLEY 1771-ALX/A
ew motore azionamento 450 min PSF511/R/EK04 CM71L/BR/TF/ES1H/SB52 SERVOMOTORE M
Siemens SA 10 6DD1681-0AH2 Sinec Symadin D PLC Simatic Symadyn
Allen-Bradley 17710FE1
USED GE SGLA36AT0400 Spectra RMS Current Limiting Circuit Breaker 400 Amps 600V
Fuji Circuit Breaker Protector CP31FM/1W _ CP31F-M001 _ CP31FM1W _ CP31FM001
EMERSON Control Teniques SP2202 Frequency converter
*NIB* __ General Electric Photoelectric Switch CR174DBP1E5 GE Photo Electric
Autocon CRT/MDI Unit 4202762 A 2342 _ 4201264 _ Monitor DM30-09BO-728-CLA
Allen Bradley 20B-STD-B0 /A 20B-STD-BO PowerFlex 700 Standard Control Cassette
New Sealed Cisco VWIC3-1MFT-T1/E1 1-Port T1/E1 Multiflex Trunk Voice/WAN Card Qt
MKD090B-047-KP1-KNIKB0012厂家直销
Siemens sitop puissance 6EP1333-2AA00 6EP1 333-2AA00
EG&G Quality Measurment Systems 400 _ 4OO _ 105/115V _ 210/230V _ 50/60 Hz
Mitsubishi AC Servo Motor HA 100CS _ HA100CS _ *AS-IS*
Tele Minuteries A2x TR2 230V
Hans Wiener SW01E03 C79451-Z1359-U9 Unité réseau 140W 20-33 VDC C79451Z1359U9
New Siemens 3TF3010-0AK6 3TF3 010-0AK6 Contactor Size 00 3-P 4kW 1NO
USED Alstom D-984-072102 Lamp and Meter Board
Télémécanique LX4F8MW 095555 Bobine de contacteur bobine pour relay
STOEWER 0,18 kw 11 minimum K-M6 040 motoréducteur bo?te de vitesse
Cincinnati Milacron DC Input Module Card 3-531-3891A REV +_35313891 Rev +
New Sealed Allen Bradley 1783-MX08T /A 2015 Stratix 8000/8300 Expansion Module
Deemstop Monitoring Module Unit _ MM/CX _ MMCX