PowerFlex 525
- Thread starter jkerekes
- Start date
Mark Buskell
Member
They are fairly new to the market. I like the fact they have safe off and the price is supposed to be pretty good. I haven't used one yet but will be looking at them on my next project.
Steve Etter
Lifetime Supporting Member + Moderator
While I haven't bought or used one yet either, I did go to a recent AB presentation on them and look forward to using one in my next application. Some of the features that impressed me are:
- The control module is common for all drive sizes.
- The control module and can be detached and then both powered-up and programmed via a USB cable connection. This should cut-down on both spare parts and start-up time.
- The control module has a built-in Ethernet port and can be expanded to have up to three (3) Ethernet ports. There are restrictions to how the three ports can be used, but if I understood correctly, all three ports are functional at the same time.
- The Safe-off feature is now built-in rather than available as an add-on option.
I know there are more features and improvements, but these are the ones that stuck out for me.
Steve
- The control module is common for all drive sizes.
- The control module and can be detached and then both powered-up and programmed via a USB cable connection. This should cut-down on both spare parts and start-up time.
- The control module has a built-in Ethernet port and can be expanded to have up to three (3) Ethernet ports. There are restrictions to how the three ports can be used, but if I understood correctly, all three ports are functional at the same time.
- The Safe-off feature is now built-in rather than available as an add-on option.
I know there are more features and improvements, but these are the ones that stuck out for me.
Steve
OkiePC
Lifetime Supporting Member
I have an upcoming need for six of them to run at the same speed (cooling tower fans) but the controller presently is a SLC 5/03. I wonder if they will support Ethernet MSGs from a 5/05 for speed control, until such time as I can figure out how to get a Compactlogix involved?
I really only used PF 70s & 700s. What are the limitations/restrictions of the 4,40,400 series? I wish there where a comparison chart for these things. The 525 looks like it has sensorless vector, built in Ethernet/IP, Safe Stop and positioning with an encoder.
OkiePC
Lifetime Supporting Member
Yeah, but I can slap a spare 5/05 in there with about 30 seconds effort on my part for the short term.
The Plc Kid
Member
But trying to control drives over Ethernet from a SLC is a extremely bad practice. On the 525's I doubt it will even work. People have done it with other power flex drives but it's not a supported config and ever instance I have ever seen has issues.
I would not roll the dice if it were me.
OkiePC
Lifetime Supporting Member
I understand, but this is one of those cases where it makes sense.
One more question and I'll let this thread go. On an upcoming project, I could use either a PF40 with a comm-e card or 525 controlled by a CompactLogix. How do they compare to each other? Just controlling pump speeds and such. Nothing fancy. Thanks again!
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