Re: [PSES] Using E-Stop in a Non-Emergency Task

2022-06-01 Thread Douglas E Powell
I would use caution. I have looked into this in the past and possibly there have been recent developments that would change what I learned. My main concern is the cycle life rating of the switch. For what ever reason, many E-Stop switches had a rating of only a few thousand cycles while your

Re: [PSES] Using E-Stop in a Non-Emergency Task

2022-05-31 Thread IBM Ken
>From a practical standpoint, some designs use an EPO/EMO in series with a motor or other high current device potentially creating a hazard (laser, linear actuator, etc). I can see why you would not want to use an EPO in this manner (breaking significant current on a regular basis could cause

[PSES] Using E-Stop in a Non-Emergency Task

2022-05-31 Thread Brian Kunde
Greetings to All!! I have an industrial machine with blades that has to be changed out by the User/Operator. The blade is behind a door with a positive mechanical action switch that when opened puts the motor's VFD into a Safe Stop Function Mode (this is a certified Safety Function). In