Just the tip - PLCS.net

ganutenator · September 17th, 2023, 05:22 PM

I have PTSD posting here.
But, this thing took awhile to figure out.
When we switched from the Altivar 312 to the ATV320, we had issues w/ the the new drive.
Same application. Same settings.
Since we were a huge customer of Schneider drives, they put their guys on it.
They never did figure it out.
We switched to Toshiba drives.
Then my boss finally figured it out.
He lowered the IR compensation from the default of 100% to 75%.
Been running for months now w/ no issues.

g.mccormick · September 18th, 2023, 01:49 PM

What was the issue exactly?

TheWaterboy · September 18th, 2023, 02:32 PM

Yes please - as someone who just despises the plethora of Altivar drives I have because of a low-bid-wins process, I would love to know what you fixed by doing that.

ganutenator · September 18th, 2023, 02:44 PM

When ramping to a stop and immediately changing direction, the Atv 320 would appear to stall and not move.
It was intermittent.
In fact, lower IR compensation to 75% from the default of 100% not only eliminated the the intermittent problem, but it looked smoother as well.

Jeev · September 18th, 2023, 06:20 PM

What was the distance between the drive and motor? Was it a long run?

ganutenator · September 18th, 2023, 07:04 PM

Everything worked fine w/ the ATV31, ATV312, Toshiba.
It was the change to the ATV320.
Just passing on the tip.
over and out.

September 17th, 2023, 05:22 PM	#1
ganutenator Lifetime Supporting Member Join Date: May 2002 Location: kansas Posts: 1,438	Just the tip I have PTSD posting here. But, this thing took awhile to figure out. When we switched from the Altivar 312 to the ATV320, we had issues w/ the the new drive. Same application. Same settings. Since we were a huge customer of Schneider drives, they put their guys on it. They never did figure it out. We switched to Toshiba drives. Then my boss finally figured it out. He lowered the IR compensation from the default of 100% to 75%. Been running for months now w/ no issues.

September 18th, 2023, 02:32 PM	#3
TheWaterboy Lifetime Supporting Member + Moderator Join Date: May 2006 Location: State of Denial Posts: 1,715	Yes please - as someone who just despises the plethora of Altivar drives I have because of a low-bid-wins process, I would love to know what you fixed by doing that. __________________ ≈ There are 2 kinds of people in the world... (1) Those that can derive answers from incomplete Data

September 18th, 2023, 02:44 PM	#4
ganutenator Lifetime Supporting Member Join Date: May 2002 Location: kansas Posts: 1,438	the issue When ramping to a stop and immediately changing direction, the Atv 320 would appear to stall and not move. It was intermittent. In fact, lower IR compensation to 75% from the default of 100% not only eliminated the the intermittent problem, but it looked smoother as well.

September 18th, 2023, 07:04 PM	#6
ganutenator Lifetime Supporting Member Join Date: May 2002 Location: kansas Posts: 1,438	last reply Everything worked fine w/ the ATV31, ATV312, Toshiba. It was the change to the ATV320. Just passing on the tip. over and out.

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September 18th, 2023, 01:49 PM	#2
g.mccormick Lifetime Supporting Member Join Date: Jul 2012 Location: IN Posts: 925	What was the issue exactly?

September 18th, 2023, 06:20 PM	#5
Jeev Member Join Date: May 2008 Location: Brisbane Posts: 670	What was the distance between the drive and motor? Was it a long run?

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