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  1. ControlConcepts

    UPS needed for PLC

    Tripplite makes a din rail mounted UPS, dont what your size limitations are but maybe this will work http://www.tripplite.com/products/product.cfm?productID=2451
  2. ControlConcepts

    Powering Discrete Inputs

    What are your views on powering plc inputs either from the field device or from the plc cabinet. Example being you kill the power on an mcc bucket if the plc input is powered from the bucket you'll have no other power source in it, if it were powered from the plc cabinet and you killed the...
  3. ControlConcepts

    Sizing Resistors

    How do you go about sizing resistors for a DC motor starter 2 point accelerating, I have a 2Hp and a 5Hp motor. Are there predetermined resistor sizes for different number of steps or is there some formula to determine the size resistor?
  4. ControlConcepts

    DC Motor Starters

    Anyone know of any DC motor starter manufacturers?
  5. ControlConcepts

    ISA Membership

    I've been in the control systems field for about two years now and I am about to finish up my degree in electrical engineering and was wondering if ISA was a good organization to join. What are the benefits of being a member? Thanks Micky www.controlconceptsllc.com
  6. ControlConcepts

    Pulling Text from AutoCAD

    Actually I would like to just pick the text without actually having to open the AutoCad text editor or by using blocks. Just pick all the text objects hit copy and just paste it into notepad and i could do with I want with it.
  7. ControlConcepts

    Pulling Text from AutoCAD

    Is there a way to select text in a AutoCAD drawing and paste it into notepad, or word?
  8. ControlConcepts

    DC Motor Starters

    Anyone know of a maufacturer of DC motor combination starters? If not how can you put overload protection off a regular contactor and make it into a DC motor starter. I know current is current but if you use a thermal overload relay as overload protection how much cooler does DC current run...
  9. ControlConcepts

    DCL Error Message

    I keep getting the error message "Dialogs are not available because DCL files are not loaded" when using custom menus
  10. ControlConcepts

    Changing the way coordinates are entered?

    Is it possible to change the default of how coordinates are entered? Instead of using the @ symbol, just put in the next coordinate without the @ symbol and it would automatically be relative to the previous point and not the origin and when you would use the @ symbol then these coordinates...
  11. ControlConcepts

    CAD users avoid Norton 2003

    Running AutoCAD 2002 on XP, with Norton 2002 and have had no problems, as long as you download all the updates.
  12. ControlConcepts

    RFID with PLC's

    We're probaly gonna go with the HYPER X system from BALOGH and then send the info to a SLC500 Basic Module, and then send it to the main PLC via radio modem. As far as the tags go we havent decided whether read only or read-write, right now we're planning on about 30 tags, which would you...
  13. ControlConcepts

    RFID with PLC's

    We plan on using it as a timing device to see how long log trucks are in the mill (ex. when they come in, when they get to the unloading area and when they leave) then have this info to be fed into the SLC's
  14. ControlConcepts

    RFID with PLC's

    I am wanting to use Radio Frequency Identification (RFID) to keep track of how long log trucks are in the mill and where they are at. I am need this info to be fed back into an Allen Bradley PLC. Anyone ever use this and have any info about where to start.
  15. ControlConcepts

    Valves, Gauges, etc blocks...

    Anyone have a good source(s) to download CAD blocks for valves, gauges, purge meters, tubing fittings, etc.?
  16. ControlConcepts

    Right-Mouse Button Function......

    In AutoCAD 2002 go to Tools-->Options-->User Preferences then there a button that say "Right-Click Customization" and you can customize the right click.
  17. ControlConcepts

    Preview drawings before you open them in win exploreror my comp??

    Yall may have probaly heard of this program, but its what I use, its pretty nice and its FREE!!!!!!! http://www.oasys-software.com/product/dm/columbus/
  18. ControlConcepts

    Heat Exchange Question

    Thanks VPL, thats what I been using. I was just having a hard time explaining to my boss that the enclosure itself absorbs heat which also needs to be dissipated. Thanks Micky
  19. ControlConcepts

    Symbols for different metals

    Where can you find a list of symbols denoting how each type of metal such as an I beam or c-channel etc is denoted. We have some drawins of switchracks with C6, W6 etc and was wondering where you could find out what these mean.
  20. ControlConcepts

    Heat Exchange Question

    I'm electrical not to good in thermo, so heres my question. I am needing to calculate the size of an enclosure for a VSD, I know how many BTU's are being put of by the drive, but I need to how many BTU's are being put off by the change in temperature between the desired inside temp and actual...

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