Hey all,
I am currently working on a depalletizer for a customer and we are doing a hoist upgrade. This is a SLC500 processor and the drives are being control through device net, besides the new powerflex 525 just installed yesterday. The Powerflex is being 2-wire controlled.
What is happening is when I run the hoist up, empty, it stops exactly when and how I want it to, I watched the faceplate and can see the frequency going to zero. Now when I run the hoist down I'm watching the frequency move between 2.0 and 2.5 Hz and the hoist drifts downward during this time until we get an F007 fault on the drive "Motor Overload".
My parameters are as followed:
P033 - 7.6
P034 - 7.6
P036 - 1768
P037 - 4.03
P041 - 2.0
P042 - 1.0
P043 - 0
P044 - 100
P045 - 0
P046 - 2
P047 - 7
P048 - 2
P049 - 7
P062 - 48
P063 - 49
P064 - 0
P065 - 7
P066 - 7
P067 - 13
P068 - 11
P411 - 12
P412 - 45
P442 - 2.0
P443 - 0.5
I will add that I am using a brake resistor and I have it set up in the parameters for dynamic braking.
Does anyone have any ideas what this might be or what is causing this, I have been working on this all day and cannot figure out why.
I am currently working on a depalletizer for a customer and we are doing a hoist upgrade. This is a SLC500 processor and the drives are being control through device net, besides the new powerflex 525 just installed yesterday. The Powerflex is being 2-wire controlled.
What is happening is when I run the hoist up, empty, it stops exactly when and how I want it to, I watched the faceplate and can see the frequency going to zero. Now when I run the hoist down I'm watching the frequency move between 2.0 and 2.5 Hz and the hoist drifts downward during this time until we get an F007 fault on the drive "Motor Overload".
My parameters are as followed:
P033 - 7.6
P034 - 7.6
P036 - 1768
P037 - 4.03
P041 - 2.0
P042 - 1.0
P043 - 0
P044 - 100
P045 - 0
P046 - 2
P047 - 7
P048 - 2
P049 - 7
P062 - 48
P063 - 49
P064 - 0
P065 - 7
P066 - 7
P067 - 13
P068 - 11
P411 - 12
P412 - 45
P442 - 2.0
P443 - 0.5
I will add that I am using a brake resistor and I have it set up in the parameters for dynamic braking.
Does anyone have any ideas what this might be or what is causing this, I have been working on this all day and cannot figure out why.