IC697BEM721 IC697BEM721 IC697BEM721 IC697BEM721 _________________________________________ 〖厦门光沃自动化设备有限公司 竭诚为您服务〗 〖联系人:欧先生 〗 〖手机:18030229053(微信同号) 〗 〖QQ: 2479261344 〗 〖传真:0592-5709825 【价格】如此低价,**一家 【货期】大量现货,下单后即可发货 【质量】全新原装,进口*** 【**】产品经过专业检测,质保一年,15天包退换 【品牌】Allen-Bradley罗克韦尔、ABB、本特利Bently 3500系统卡件、GE、艾默生西屋等模块卡件 ______________________________________________ 当另一列重车上行时,电机处于反向电动状态,工作在*三象限和*四象限。另外,有占总运行时间10%的时候单独运送工具或器材到井下时,电机纯粹处于*二或*四象限,此时电机长时间处于再生发电状态,需要进行有效的制动。用能耗制动方式必将消耗大量的电能;用回馈制动方式,可节省这部分电能。但是,回馈制动单元的价格较高,考虑到单独运送工具或器材到井下仅占总运行时间的10%,为此选用价格低廉的能耗制动单元加能耗电阻的制动方案。 提升机的负载特性为恒转矩位能负载,起动力矩较大,选用变频器时适当地留有余量,因此选用 185KW变频器。由于提升机电机绝大部分时间都处于电动状态,仅在少数时间有再生能量产生,变频器接入一制动单元和制动电阻,就可以满足重车下行时的再生制动,实现平稳的下行。井口还有一个液压机械制动器,类似电磁抱闸,此制动器用于重车静止时的制动,特别是重车停在斜井的斜坡上,必须有液压机械制动器制动。液压机械制动器受PLC和变频器共同控制,机械制动是否制动受变频器频率到达端口的控制,起动时当变频器的输出频率达到设定值,例如0.2Hz,变频器KB、KA端口输出信号,表示电机转矩已足够大,打开液压机械制动器,重车可上行;减速过程中,当变频器的频率下降到0.2Hz时,表示电机转矩已较小,液压机械制动器制动停车。紧急情况时,按下紧急停车按钮,变频器能耗制动和液压机械制动器同时起作用,使提升机在尽量短的时间内停车。 提升机传统的操作方式为,操作工人坐在煤矿井口操作台前,手握操纵杆控制电机正﹑反转个三挡速度。为适应操作工人这种操作方式,变频器采用多段速度设置,X1、X2设为正反转,X3、X4、X5可设挡速度。 GIDDINGS & LEWIS 502-03549-00R3 USPP 5020354900R3 GIDDINGS & LEWIS 502-03551-02 USPP 5020355102 GIDDINGS LEWIS 502-03842-02R2 INPUT OUTPUT MODULE GIDDINGS & LEWIS 502-03551-03 USPP 5020355103 GIDDINGS & LEWIS CIMREX-30 USPP CIMREX30 New! Giddings Lewis Pic900 Encoder Input Card 502-03782 GIDDINGS & LEWIS 502-03882-20 NSFP 5020388220 GIDDINGS & LEWIS PIC900 P/N 5020354900R3 OUTPUT MODULE GIDDINGS & LEWIS 502-03016-00 NSPP 5020301600 GIDDINGS & LEWIS 502-03644-00R0 USPP 5020364400R0 GIDDINGS & LEWIS 502-03644-02R0 USPP 5020364402R0 GIDDINGS & LEWIS 810-21743-00 USPP 8102174300 GIDDINGS & LEWIS 810-21758-03 USPP 8102175803 GIDDINGS & LEWIS 810-21205-08 USPP 8102120508 GIDDINGS & LEWIS 502-03548-00R2 USPP 5020354800R2 GIDDINGS & LEWIS 502-02813-01 NSFP 5020281301 GIDDINGS & LEWIS 1-21776-01 USPP 12177601 GIDDINGS & LEWIS 502-02905-00 USPP 5020290500 GIDDINGS & LEWIS 502-03236-00 USPP 5020323600 GIDDINGS & LEWIS 502-02819-00 NSPP 5020281900 GIDDINGS & LEWIS 502-03549-02 NSFP 5020354902 CMM Standard Renishaw Brown Sharpe Giddings Lewis GIDDINGS & LEWIS 502-03815-10 NSFP 5020381510 GIDDINGS & LEWIS M.1300.6042 USPP M13006042 GIDDINGS & LEWIS 502-02819-01 USPP 5020281901 GIDDINGS & LEWIS 502-03548-00 NSFP 5020354800 Giddings & Lewis General Instructions & Repair Parts One-day shipping available Giddings and Lewis Board M#501-03210-00 P#502-028822-00 Giddings and Lewis Board M#501-03365-00 P#502-02906-00 PiC900 AC Ouput 16 Pt,Giddings & Lewis 502-03551-02 PiC900 I/O Driver,Giddings & Lewis 502-03657-00 PiC900 Relay Ouput 8 Pt,Giddings & Lewis 502-03644-02 PiC900 CSM, Giddings & Lewis 502-03512-02 PiC900 CSM, Giddings & Lewis 502-03512-00 PiC900 Input 24VDC,32Pt, Giddings & Lewis 502-03605-00 PiC900 Resolver Input 4Ch Giddings & Lewis 502-03552-00 PiC900 Output +- 10v, 8Ch,Giddings & Lewis 502-03518-02 PiC900 Output 24VDC,32Pt,Gidd?ings & Lewis 502-03640-02 Giddings Lewis 502-02797-01 Analog Interface Diagnostic Giddings Lewis 502-02797-01 Analog Interface Diagnostic Giddings & Lewis #151722 Tool Rail Changer Rod Scraper Giddings and Lewis 502-03552-20R4 PiC90 Module Expedited shipping available Giddings & Lewis Micro * Servo Drive One-day shipping available Giddings and Lewis 502-03112-00 Relay Board GIDDINGS & LEWIS 502-03674-22R1 Output 5020367422R1 Expedited shipping available Giddings & Lewis Output Module 502-03641-02R0 WARRANTY One-day shipping available EK-1292 GIDDINGS LEWIS FA099261 PISTON TURNING MODULE GIDDINGS & LEWIS 502-02561-00 USPP 5020256100 GIDDINGS & LEWIS 502-03016-00 USPP 5020301600 GIDDINGS & LEWIS 502-03016-50 USPP 5020301650 GIDDINGS & LEWIS 502-02813-01 NSPP 5020281301 GIDDINGS & LEWIS 502-03281-00 NSFP 5020328100 GIDDINGS & LEWIS 502-03549-00 USPP 5020354900 GIDDINGS & LEWIS 502-02820-01 USPP 5020282001 GIDDINGS & LEWIS 503-25908-00R0 USPP 5032590800R0 GIDDINGS & LEWIS 502-02558-00 USPP 5020255800 GIDDINGS & LEWIS 502-02819-00 USPP 5020281900 GIDDINGS LEWIS 502-03605-00R2 INPUT MODULE 24VDC 32PT GIDDINGS & LEWIS 502-02960-00 USPP 5020296000 GIDDINGS & LEWIS 502-03674-22R1 Output 5020367422R1 Giddings & Lewis 502 03551 02 AC Output Module Giddings Lewis Teach Pendant Hand Held Op 503-19797-01