Page 9 of 9 FirstFirst ... 789
  1. #81
    Neale's Avatar
    Lives in Plymouth, United Kingdom. Last Activity: 3 Hours Ago Has been a member for 4-5 years. Has a total post count of 1,108. Received thanks 198 times, giving thanks to others 5 times.
    Why bother with the diode at all? Just another complication. The driver itself has overcurrent protection so if there is a wiring or motor fault, the driver should turn off and raise a fault signal. So all the fuse is doing is protecting the wiring if there is an internal fault in the driver. The fuse does not protect the driver - the fuse blows after the driver has already failed. So, thinking this through, the fuse will blow because of a driver fault, so you don't need to protect this driver any more, and the blown fuse will isolate that driver from the PSU and other drivers as well - if the PSU fuse hasn't blown as well.

    I just have a single fuse in the PSU feeding all the drivers, rated at the nominal capacity of the PSU. Anyway, will the back EMF on a fault be any higher than the back EMF in normal use while decelerating?

  2. #82
    Doesn't feel like it could be higher as the motors generate the back current and not the driver..

    Skickat från min SM-G955F via Tapatalk

Page 9 of 9 FirstFirst ... 789

Similar Threads

  1. Which wiring diagram software do you use ?
    By eurikain in forum Computer Software
    Replies: 3
    Last Post: 11-10-2015, 02:48 PM
  2. VFD Wiring Diagram
    By Tomnewry in forum General Electronics
    Replies: 9
    Last Post: 14-10-2013, 06:46 PM
  3. Wiring diagram for 4x4 cnc router
    By Danielroyal25 in forum General Electronics
    Replies: 1
    Last Post: 19-07-2013, 11:14 PM
  4. NEW MEMBER: Hi, Looking for a wiring diagram, Melbourne
    By Sampop in forum New Member Introductions
    Replies: 1
    Last Post: 28-10-2010, 11:18 AM
  5. Hardinge hc chucker wiring diagram
    By hrdg4me in forum General Electronics
    Replies: 4
    Last Post: 16-12-2009, 03:57 PM


Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts