Search: Posts Made By: Gregor
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Forum: FMA Direct
02-15-2016, 11:57 PM
Replies: 17
Views: 3,568
Posted By Gregor

Low supply limit should be 50%-75% of the supply...

Low supply limit should be 50%-75% of the supply voltage. If you set it at 36v, the chargers will start limiting as some as a the load causes the supply voltage to drop.

There are at a lot of...
Forum: FMA Direct
12-29-2015, 06:27 AM
Replies: 14
Views: 6,781
Posted By Gregor

Sounds good. I also found it difficult to setup...

Sounds good. I also found it difficult to setup a good high current AA and AAA holder. Most of the battery holders for that size have tiny wires, and springs. Lots of voltage drop as well as heating...
Forum: FMA Direct
12-24-2015, 04:55 AM
Replies: 14
Views: 6,781
Posted By Gregor

This looks pretty good. The discharge terminated...

This looks pretty good. The discharge terminated at 12 hours and about 1.2v. Total discharge was 1197 mah. Based on the discharge curve there was not much more in pack.

The default...
Forum: FMA Direct
12-20-2015, 05:30 AM
Replies: 14
Views: 6,781
Posted By Gregor

The trickle charge will take 12-14 hours. The...

The trickle charge will take 12-14 hours. The trickle preset can be used on NiCad or NiMh.

The default setting is to discharge at 1 amp to 1v. If watch the discharge it's likely discharging...
Forum: FMA Direct
12-20-2015, 03:10 AM
Replies: 14
Views: 6,781
Posted By Gregor

Sounds good. One thing to be aware of. The...

Sounds good. One thing to be aware of. The internal discharge circuit has a minimum voltage of 3v. So you will need at least a 3s pack to discharge each cell down to 1v. You can use regenerative...
Forum: FMA Direct
12-19-2015, 11:25 PM
Replies: 14
Views: 6,781
Posted By Gregor

That is the correct preset for NiMh cells. ...

That is the correct preset for NiMh cells. Depending on details of your issues, you many need to tune the settings, change the way you are connecting to the charger, or run through a forming charge...
Forum: FMA Direct
12-19-2015, 10:23 PM
Replies: 14
Views: 6,781
Posted By Gregor

What is the failure? Is happening during charge...

What is the failure? Is happening during charge or discharge?
Forum: FMA Direct
12-19-2015, 08:45 AM
Replies: 14
Views: 6,781
Posted By Gregor

If its terminating early during the charge cycle,...

If its terminating early during the charge cycle, its possible the cells need to go through a forming cycle. If its terminating early on the discharge, it could be because the discharge current is...
Forum: FMA Direct
10-13-2015, 06:03 PM
Replies: 16
Views: 5,350
Posted By Gregor

20.8v for a 6s pack is 3.47 volts per cell. In...

20.8v for a 6s pack is 3.47 volts per cell. In general, that is a tad on the low side for that chemistry. Some of those cells can go lower. But since discharge curves across cells in the same pack...
Forum: FMA Direct
07-07-2015, 04:04 AM
Replies: 9
Views: 7,728
Posted By Gregor

When the advanced box is checked you'll find the...

When the advanced box is checked you'll find the cycles setting on the discharge tab.
Forum: FMA Direct
07-06-2015, 08:32 PM
Replies: 9
Views: 7,728
Posted By Gregor

Yes, you can setup multiple cycles. Its easiest...

Yes, you can setup multiple cycles. Its easiest to setup using the CCS. Also, since the cells can ignite during cycling, I would not do this unattended.
Forum: FMA Direct
07-06-2015, 08:29 PM
Replies: 2
Views: 2,707
Posted By Gregor

It looks like FMA has been trying to get a hold...

It looks like FMA has been trying to get a hold of you http://www.rcgroups.com/forums/showpost.php?p=32082721&postcount=7
Forum: FMA Direct
02-07-2015, 10:35 PM
Replies: 7
Views: 3,335
Posted By Gregor

It sounds like the charger is limiting due to...

It sounds like the charger is limiting due to hitting the low supply voltage value set too high. The default is 10v. If its set to 10v now, then its likely the connection between the charger and the...
Forum: FMA Direct
06-05-2014, 04:02 AM
Replies: 7
Views: 2,822
Posted By Gregor

Its handy option if you switch between a DC...

Its handy option if you switch between a DC supply and Pb battery. In addition to voltage and current cutoffs mentioned, the Pb battery profile enables regenerative discharging while its disabled...
Forum: FMA Direct
06-05-2014, 12:45 AM
Replies: 7
Views: 2,822
Posted By Gregor

That setting is not available from the console...

That setting is not available from the console I'm afraid. But on the plus side, the FUIM and the CCS add a lot of value and capabilities.

Was this a new unit? I was under the impression...
Forum: FMA Direct
05-12-2014, 02:41 AM
Replies: 1
Views: 2,951
Posted By Gregor

From the manual for safety code 96 "PWM...

From the manual for safety code 96

"PWM ratio too high. Check the power supply and output wiring"

I would look closely at all wiring between the charger and the supplies. Ideally the...
Forum: FMA Direct
12-02-2013, 05:14 PM
Replies: 7
Views: 4,757
Posted By Gregor

Unfortunately, this is common with parallel...

Unfortunately, this is common with parallel charging and is not the fault of the charger. It can caused by an issue with the balance board. If you are not using a fused balance board some of the...
Forum: FMA Direct
05-18-2013, 07:35 PM
Replies: 42
Views: 8,320
Posted By Gregor

Hey guys. High power charging is available on...

Hey guys. High power charging is available on the Powerlab6 using preset #3. No need to connect to the PC or perform any special unlocking.

Also note that the presets specifically tuned for...
Forum: FMA Direct
03-11-2013, 03:37 AM
Replies: 8
Views: 3,842
Posted By Gregor

Sounds like its worth call to Howard. One more...

Sounds like its worth call to Howard. One more bit of data that might help before calling. When you are charging at 25v, take a look at the supply tab in the CCS. If a supply issue is detected, it...
Forum: FMA Direct
03-10-2013, 11:09 PM
Replies: 8
Views: 3,842
Posted By Gregor

Firmware re-install, or "factory...

Firmware re-install, or "factory restore"?
Forum: FMA Direct
03-10-2013, 07:23 PM
Replies: 8
Views: 3,842
Posted By Gregor

Just to be clear, when you say that you drop the...

Just to be clear, when you say that you drop the supply voltage, you are dropping the "power supply" voltage, not the charger's low supply voltage setting? Also it might be good to double check the...
Forum: FMA Direct
02-10-2013, 05:34 AM
Replies: 2
Views: 2,487
Posted By Gregor

Ah yes. A classic. Just plug in and go. Cell...

Ah yes. A classic. Just plug in and go. Cell count and charge rate auto detected. Not even a single button press if the user wants it that way. I am glad to have transitioned into LiPos with such...
12-30-2012, 05:46 AM
Replies: 21
Views: 4,727
Posted By Gregor

If you want to compare iChargers to Powerlabs,...

If you want to compare iChargers to Powerlabs, then a better comparison is to the Powerlab6. Here are some points:


Both chargers are rated at 1000 watts. Using the same server supplies on...
12-30-2012, 05:16 AM
Replies: 21
Views: 4,727
Posted By Gregor

Nope, there are a number of chargers that cost...

Nope, there are a number of chargers that cost more than Powerlab8. The Pulsar is the most expensive, followed by the new iCharger

But the 306b is not really a 1000 watt charger. Its only...
12-29-2012, 07:42 PM
Replies: 21
Views: 4,727
Posted By Gregor

I've been very impressed with my Powerlab8. So...

I've been very impressed with my Powerlab8. So much so that I bought a second one. This unit covers all my models from my UMX micro planes all the way up to my 700 size electric model. The...
10-15-2012, 10:40 PM
Replies: 11
Views: 2,414
Posted By Gregor

I currently have two Powerlab8s used in different...

I currently have two Powerlab8s used in different configurations based on the model size. If you don't plan on going any larger than 6s, the Powerlab6 is a more affordable way to go and a good place...
Forum: FMA Direct
09-21-2012, 12:18 AM
Replies: 63
Views: 34,777
Posted By Gregor

Thanks for sharing that story. First I've heard...

Thanks for sharing that story. First I've heard of the other brand causing a crash. I suspect it happens more than the other brands followers care to admit.

I've had a DX7 since 2007 and it...
Forum: FMA Direct
09-20-2012, 05:47 AM
Replies: 63
Views: 34,777
Posted By Gregor

I currently have two Powerlab8s used in different...

I currently have two Powerlab8s used in different configurations based on the model size. Below is the large setup, four Dell supplies and gives me plenty of power for the field and reduced the...
06-16-2012, 03:22 PM
Replies: 129
Views: 27,146
Posted By Gregor

With those temps, it doesn't hurt to have a...

With those temps, it doesn't hurt to have a little extra venting available on a switch. You can use a IR temp device and periodically check the venting air to see how things are doing. Sounds like...
06-16-2012, 05:56 AM
Replies: 129
Views: 27,146
Posted By Gregor

Most power supplies already have fans. The fans...

Most power supplies already have fans. The fans in server supplies have enough cfm to cool and vent a server case. I figure why not just use what is already there? The oddest setup I've seen is a...
Showing results 1 to 30 of 65
 


 
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