1394C-AM03
1394C-AM03
1394C-AM03
在上述过程中,控制系统适时的将软启动接入或退出运行电路。使用一台软启动顺序带动多台电机完成软启、软停操作的软启动器应具有“级联”功能,“级联”功能的主要作用是,在每一次操作前,软启动都要进行状态准备,在完成操作之后发出信号使软启动及时退出运行。比如启动电机,软启动晶闸管必须是关闭状态,输出电压为零,然后进入启动操作,如果是执行停机操作,软启动晶闸管必须是导通状态,逐渐降低输出电压,完成停机操作,每一次操作之后软启动都要退出运行线路。 软启动本身保护功能齐全,但是当一台软启动带多台电机时,软启动完成启停操作后要退出运行,所以电机保护要另外设置,软启动只在启停过程中起保护。 一个由变频器、软启动器、可编程序控制器及低压电器组成的供水控制具有良好的运行性能, 变频器、软启动组成的自动恒压供水系统原理图 它由变频器带动一台泵变速运行,由一台软启动器完成其余各泵开、停泵操作,变频泵可定时轮换使各泵运行时间均衡。此控制系统除能根据管网出口压力调整变频泵转速外,还能适时的将软启动接入或退出运行电路,完成开停泵操作。此系统克服了变频器控制系统中,变频泵由变频向工频切换过程中所产生的电气和机械冲击,此控制系统具有软启软停功能,可以避免开停机时水泵突然变化而产生的“水垂”效应,保证了设备和管网的安全,此性能对大中型供水泵站尤为重要。
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厦门泰尼电气有限公司
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MITSUBISHI 101 PULSE MOTOR DRIVER GOOD TAKEOUT
MITSUBISHI A1NCPU MELSEC PROGRAMMABLE CONTROLLER (CPU M
FANUC/MORI SEIKI NUMERICAL CONTROL A02B-0056-C536 (CRT-
WTC 503-7-0324 SERIES 400 CASCADE MODULE GOOD TAKEOUT
FANUC IC600LR632A (32K COMBINED MEMORY) GOOD TAKEOUT
BARDAC ME021D54 DRIVE WEB (27 AMP) 440-500 VOLT GOOD TA
TELEMECANIQUE TSX SUP70 POWER SUPPLY GOOD TAKEOUT
YASKAWA CACR-SR-10SZ1SS SERVOPACK GOOD TAKEOUT
YASKAWA CACR-SR-10SZ1SSY86 SERVOPACK GOOD TAKEOUT
HONEYWELL 51400666-100 REV. H PIC 20 VIDEO CIRCUIT BOAR
FANUC A06B-0377-B175 SERVO MOTOR PULSECODER A860-0360-T
KRAUSS MAFFEI KR200 LS AE3 CONTROL BOARD BOSCH 0 811 40
SIEMENS 6FX1133-0BA01 CPU MODULE GOOD TAKEOUT
GIDDINGS & LEWIS 501-02981-00 502-02721-50 ALU BOARD
MODICON AS-B243-110 (A/D CONVERTER 10 VDC) GOOD TAKEOUT
TOSHIBA VT130E3U4330 TRANSISTOR INVERTER (E3 SPEED DRIV
FANUC A20B-3200-0231 /01A SYSTEM R-J3 4.6 PROCESS INPUT
FANUC A16B-2201-0472 /05D PROCESS I/O PCB XLNT CONDIT
FOXBORO ULTRASONIC OSCILLATOR A204OUS IN BOX WITH C
CINCINNATI MILACRON 3-531-3387A CONTROL BOARD XLNT COND
CUTLER HAMMER NS361000A CIRCUIT BREAKER GOOD TAKE OUT
CINCINNATI MILACRON 3-533-0667G P186 BOARD EXCELLENT C
CINCINNATI MILACRON 3-531-4654A BOARD EXCELLENT CONDI
NACHI SUA301C SERVO AMPLIFIER UNIT WORKING TAKEOUT
GIDDINGS & LEWIS 501-03111-00 502-02771-50 ANALOG INT
YASKAWA SGMD-40AWA-YR12 SERVO MOTOR PULLED FROM WORKING
SIEB & MEYER 26.44.14 BETA TECH CP3 MODULE RECON BY K&S
SIEMENS 6ES7 414-2XG01-0AB0 CPU MODULE SIMATIC S7 GOOD
FISHER ROSEMOUNT 12P0552X132 DELTA V DISCRETE INPUT
FISHER ROSEMOUNT 12P1562X032 DELTA V POWER CONT CARRIER
HONEYWELL 5/O CONTROL BOARD KLCN BRAND
SIEMENS 6GK1143-0TA01 COMMUNICATION MODULE W/FLASH XLNT
SIEMENS 6ES5324-3UR11 INTERFACE MODULE XLNT CONDITION
CUTLER HAMMER D725SVP232HDWNT INDUSTRIAL COMPUTER
EMERSON FX-6120 POSITIONING SERVO DRIVE PCM-11 MOTION C
SIEMENS 6ES5921-3UA12 PROCESSOR UNIT GOOD TAKEOUT
FOXBORO ECKARDT SRI986-B1DS7FAANA POSITIONER (!)
FANUC A06B-0341-B231 SERVO MOTOR (MODEL-OF) !
SIEMENS 6RA8222-1BA0-0 DRIVE OPTION BOARD REFURBISHED
SIEMENS 6ES7 407-0KR00-0AA0 POWER SUPPLY MODULE SIMATIC
RELIANCE ELECTRIC VS DRIVE 2GC41015 (15 HP) GOOD TAKEOU
SEW EURODRIVE MDV60A0015-5A3-4-00 MOVIDRIVE (XLNT) GOOD
FANUC IC600BF949M (28K ASCII I/O) GOOD TAKEOUT
SIEMENS 6ES5535-3MA12 COMMUNICATION PROCESSOR MODULE GO
GRAPHICS MICROSYSTEMS INC. 090G100001 CONTROLLER XLNT
BOSCH VM 60-T POWER SUPPLY (AC 400V) XLNT CONDITION
PANASONIC MSD153A1W AC SERVO DRIVER GOOD TAKEOUT
MICROMATIC TEXTRON MMC93H-M2-24-CE MOTION CONTROLLER
YASKAWA CACR-TS111Z1SR SERVOPACK GOOD TAKEOUT
SIEMENS 6ES5243-1AB11 ANALOG MODULE XLNT CONDITION
GIDDINGS & LEWIS 501-02982-00 502-02722-50 ADDRESS GE
OMRON 3G2C3-CPU11E C500 CONTROLLER W/ RAM / ROM UNIT
CHICAGO PNEUMATIC K-253073 SERVO SPINDLE MODULE FACTORY
SIEMENS 6FX1154-8BB01 VIDEO CARD XLNT CONDITION
SEM HD 115B6-88T SERVO MOTOR 6000 RPM RECONDITIONED
EMERSON FX-6120 POSITIONING SERVO DRIVE 240 VOLT, GOOD
RELIANCE ELECTRIC 1SU51007 SP500 7 1/2 HP. GOOD DRIVE
KOLLMORGEN BDS4A-103J-0015/102A21P SERVO AMPLIFIER GOOD
ALLEN BRADLEY 6182-AHDZZC INDUSTRIAL COMPUTER SER-A GOO
SIEMENS 6ES5950-1AB61 SIMATIC POWER SUPPLY
ALLEN BRADLEY 1771-NT2/B HIGH RESOLUTION ANALOG SERIES
YASKAWA JANCD-CP06-04 CONTROL BOARD, JANCD-MM08 GOOD TA
YASKAWA JANCD-CP06-04 CONTROL BOARD GOOD TAKEOUT
SQUARE D 8020-SCP-523 SY/MAX 500 PROCESSOR (SER- D.M1)
ASEA 4891 059-ED OUTPUT MODULE (ABB) GOOD TAKEOUT
ASTRO MED DASH II FIELD RECORDER GOOD TAKEOUT
GOULD CL113 CYBERLINE 1000 BRUSHLESS SERVO DRIVE CONTRO
MICRO SPEED CX , M1546HCX VARIABLE SPEED DRIVE GOOD TAK