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Recent content by chiplonkar

  1. chiplonkar

    siemens dc drives, diagrams

    Thank you very much everyone! All suggestions appreciated. I have been taking pride in maintaining very old equipment with minor rectifications for years together. Local Siemens Representatives are interested more in selling equipment rather than helping to maintain old ones. It is obvious, the...
  2. chiplonkar

    siemens dc drives, diagrams

    Does any one have diagrams / manual / link to sites with pdf file giving details DC DRIVES OF SIMENS MAKE, TYPE ANALOG, 6RA2283 8DS31. I AM LOOKING FOR DIAGRAMS/MANUALS FOR TIS TYPE WHICH HAS 5 MODULSES INSERTED IN SOCKETS ON MAIN BOARD. THESE ARE CALLED U30, U31 ETC. ( I HAVE DETAILED DRAWINGS...
  3. chiplonkar

    pcs lauer pcs009 plus

    I want to take back up of data inside PCS LAUER pcs009Plus HMI which is connected to Siemens S5-95U PLC. I have a 25 pin/ 9 pin cable received along with PCS 009. It fits only in COM ( RS232/TTY ) 25 pin female port behind PCS. I have PCSpro and PCSproWIN installed on a desktop. I want to...
  4. chiplonkar

    lightneing arrestors

    On high rise buildings and towers, we put lightning arrestors. Can any one give me the guide lines with figures and formulas, on number of arrestors to be put in existing factory premises ? Are there rules which specify how much area one arrestor will cover ? Are there guide lines for earth...
  5. chiplonkar

    floppy drives

    Yes, I do agree to what you are saying. I know that BIOS is accepting only integers for head ( track wise ) movement.Therefore, I am asking the way to get finer steps of head movement.I have tried to write a program for head alignment. If the track number read is not the desired one, it will...
  6. chiplonkar

    floppy drives

    I have read some where that the 3.5 inch floopies have tracks are seperated by 0.2 mm and each track has a width of 0.115 mm. I want to know if it is possible to control the movement of the head in steps which are smaller than the gap between any two track. When INT 13 is used to read a...
  7. chiplonkar

    hard disk failures

    Melone,IRstuff,DanDel,Busbar,Peebee To add further, another observation about the hard disk is as follows. All these hard discs are mounted by the control panel manufacturers, in vertical fashion.We do not know if the HD manufacturer have any norm for not mounting vertically. Secondly, you...
  8. chiplonkar

    hard disk failures

    Melone,IRstuff,DanDel,Busbar,Peebee, I thank all of you for your suggestions.To add to the inputs,the following may be noted. All the hard disks which failed have UPS connected to their PCs. Since these are PLC panels designed by wellknown and established manufacturers, all norms of circuit...
  9. chiplonkar

    hard disk failures

    We have a factory environment, with a lot of electronically controlled machinery.In past two years, there have been eight occassions of Hard disk failures ( typically 4 Gb )in PLC machines. In all cases , the failures can be corelated to Power Trips. Question : Can this be traced down to poor...
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