Hi all,
I have a powerflex 525 drive controlled over ethernet, which also needs a 'local-off-PLC' switch hardwired in to manually run the drive in the event of a PLC failure. I've wired the "local" contact into the drive as a "jog" input, but the problem I have is that my drive AOI sees the drive running when it doesn't think it should be, and sends the drive a stop command, which according to the manual, overrides the jog command.
I could change my AOI, but I don't want to do that as it's used in other places.
I can bridge the "Local" switch to a second input, and configure that input to switch the start source of the drive to terminals, but that involves another drawing revision, which is a little painful with this client
I wish I could configure one input to have two functions, but I don't believe that's possible with the PF525
So basically, I'm wondering if anyone here has any creative ideas to get this to work using only drive parameters, so I can avoid some tedious drawing updates or having two separate AOI's to maintain?
I have a powerflex 525 drive controlled over ethernet, which also needs a 'local-off-PLC' switch hardwired in to manually run the drive in the event of a PLC failure. I've wired the "local" contact into the drive as a "jog" input, but the problem I have is that my drive AOI sees the drive running when it doesn't think it should be, and sends the drive a stop command, which according to the manual, overrides the jog command.
I could change my AOI, but I don't want to do that as it's used in other places.
I can bridge the "Local" switch to a second input, and configure that input to switch the start source of the drive to terminals, but that involves another drawing revision, which is a little painful with this client
I wish I could configure one input to have two functions, but I don't believe that's possible with the PF525
So basically, I'm wondering if anyone here has any creative ideas to get this to work using only drive parameters, so I can avoid some tedious drawing updates or having two separate AOI's to maintain?