AB Powerflex 70 [VFD]
AB Powerflex 70 [VFD]
(OP)
hey guys,
i'm an ME intern at a company and was given a project that is utilizing an Allen-Bradley Powerflex 70 adjustable frequency drive. I downloaded the manual but am not an electrical engineer so a lot of it is over my head.
The machine is a simulated engine valve train that is spun using a 2hp motor. when i plug in the VFD it power's up and when i hit start the Hz only go to 15 and than it faults out saying motor overload. (f7 I believe). I need to test this machine before I can conduct testing and can't seem to get it to run. Any ideas. Sorry I'm not the most knowledge with electrical.
i'm an ME intern at a company and was given a project that is utilizing an Allen-Bradley Powerflex 70 adjustable frequency drive. I downloaded the manual but am not an electrical engineer so a lot of it is over my head.
The machine is a simulated engine valve train that is spun using a 2hp motor. when i plug in the VFD it power's up and when i hit start the Hz only go to 15 and than it faults out saying motor overload. (f7 I believe). I need to test this machine before I can conduct testing and can't seem to get it to run. Any ideas. Sorry I'm not the most knowledge with electrical.





RE: AB Powerflex 70 [VFD]
Has the VFD been configured to run with this particular motor?
Does it work alright if you disconnect the load and just run the motor on its on?
RE: AB Powerflex 70 [VFD]
RE: AB Powerflex 70 [VFD]
If the drive still faults on overload, then try to run the motor without the VFD and with the mechanical load still disconnected.
You may have mechanical issues.
You may have a failing motor.
You may have a failed VFD.
(Or something else!)
Bill
--------------------
"Why not the best?"
Jimmy Carter
RE: AB Powerflex 70 [VFD]
"Will work for (the memory of) salami"
RE: AB Powerflex 70 [VFD]
Going through the manual I did change some settings to match the motors name plate. We're currently getting a Digital interference fault so i've contacted our controls engineer and he is taking a look at it. Thank you for all of your help guys.