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Recent content by joe818

  1. joe818

    Frequent Speed Changes

    I have a one horsepower, three phase, 480 volt motor on AB 160 drive. It runs a conveyor that moves cases of jars. This machine runs 24 hours a day, five days a week, 52 weeks a year. I would like to change the speed of the motor from 40 to 60 and back to 40 Hz every two seconds. I would like...
  2. joe818

    need help on how to write to a display w/a micrologix

    A MicroView operator interface will do it. Why not a PC?
  3. joe818

    I am looking for a special motor. I

    Try http://www.motorizedpulley.com/ I have been using small ones (1/3 to 1/2 Hp) in some demanding applications (100's of starts per hour) for a few years with pretty good success.
  4. joe818

    Trying to hook an SLC 500 up to a PC to monitor data

    Does the SLC processor have a 9-pin connector on the front? A serial connection to your computer is cheaper. Search the Knowledgebase at http://support.rockwellautomation.com/default.asp
  5. joe818

    Faster PLC

    AB ControlLogix is fast but it is expensive.
  6. joe818

    rs232 through slip rings?

    Thanks to all for the help. The MDS radio looks great. I am also looking at the OS2400 radios from locusinc.com
  7. joe818

    rs232 through slip rings?

    Thanks for the fast reply. The part of the crane that I am trying to communicate to is a small retrieval unit that "tunnels" into a rack storage system and picks up pallets of product(food). Could anyone recommend a radio that is smaller than 3"x4"x6". One that is...
  8. joe818

    rs232 through slip rings?

    I have a Micrologix 1000 on the moving end of a crane. Power and discrete i/o are transmitted to/from the Micrologix through slip rings. Can I run 232 communication to the Micrologix through the slip rings?
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