Limit Switch, Servo Motor Resources

AI Thread Summary
For a deeper understanding of limit switches and servo motors, a highly recommended textbook is "Introduction to Autonomous Robots" available on Springer. Additionally, exploring the websites of major servo manufacturers like Yaskawa and Siemens can provide valuable application manuals and technical resources. Limit switches serve as critical safety devices, disabling the servo amplifier during over-travel situations to prevent damage. In simple DC servo systems, incorporating a diode with the limit switch allows for safe motor reversal after reaching the limit. These resources and insights will enhance comprehension of the subject matter.
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I need a better understanding of limit swtiches and servo motors than I'm getting from Wikipedia :)
Any website/textbook recommendations? (My background is physics.)

TIA!
 
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Another approach is dig through the websites of major servo manufacturers such as Yaskawa, Siemens, Indramat (now, Rexroth-Bosch), etc. on the lookout for application manuals.

For Yaskawa, page through the Sigma II Servo System User Manual
https://www.yaskawa.com/downloads?_...oadportlet_documentType=Manuals+-+User+Guides

Limit switches are often used as over-travel limits to disable the servo amp when something goes haywire with the motion controller, position feedback, and so on,.
 
With a simple DC servo system, a diode in parallel with the limit switch will prevent current and so motor torque once the limit is reached, while still permitting the motor to reverse back into the safe range.
 
Thank you all!
 
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