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Deltang Rx60 and Tx22 issues with power dropping
Posted: Mon Apr 11, 2016 4:35 pm
by Stewart Gethin
Hi Guys,
Basically I have installed a deltang RX60 in my HGLW battery diesel. This loco used to run fine until I installed the rx60 in it.
My issue is the power seems to drop after about a yard of running on the track? Is it that the motor is asking for too much from the deltang unit?
Stewart
Posted: Mon Apr 11, 2016 4:38 pm
by Busted Bricks
What cells are you using? You need to ensure the RX has a high enough voltage to operate correctly.
Posted: Tue Apr 12, 2016 9:27 am
by SimonWood
I'm considering doing this with my HGLW loco at some point. Having read one of ge_rik's helpful postings on the Deltangs (
http://riksrailway.blogspot.co.uk/2013/ ... ntrol.html) it seems that the 2.4V that NiMh AA batteries will provide won't be sufficient, so I was going to try to fit an 18650 cell in there. I think there's room (just about).
Posted: Tue Apr 12, 2016 4:56 pm
by MikeD
I've used 3 x AAA rechargable or 3 X AA rechargable (depending on the space available) in three locos I've converted this way with Deltang units and they work fine....
Mike D
Posted: Tue Apr 12, 2016 5:06 pm
by Stewart Gethin
Hi Guys,
I've used 4 x AA Batteries in a trailing wagon to power the loco. (Before having the deltang fitted I used 2 x AA and it worked fine)
Stewart
Posted: Tue Apr 12, 2016 5:25 pm
by Busted Bricks
Have you got a way to measure voltage? It would be worth checking how much the voltage drops under load. What transmitter are you using? Make sure you are actually going to full throttle.
Posted: Tue Apr 12, 2016 6:02 pm
by Stewart Gethin
Busted Bricks:117447 wrote:Have you got a way to measure voltage? It would be worth checking how much the voltage drops under load. What transmitter are you using? Make sure you are actually going to full throttle.
I am using a TX22 transmitter. When I open the throttle at all this happens.
Stewart
Posted: Tue Apr 12, 2016 7:05 pm
by robyholmes
I had this problem when you increased the throttle. The Deltangs have a LiPo protection setting on them which isn't needed for NiMh.
Programming info is here:
http://www.deltang.co.uk/rx60c-v611-p.htm (Just check I've got right version for your chip)
Then under Menu 7 look for LVC (Low Voltage Cut). It needs to be disabled.
Posted: Tue Apr 12, 2016 10:01 pm
by ge_rik
Hi Stewart
You say you're using 4 x AA. Are they rechargeables? It sounds to me as if the batteries are not delivering enough power. One of the cells might be duff (I've had a similar problem myself) or there might be a fault on connections between the cells.
Does the LED flash five times when the loco fails? That's the signal for a brown-out (ie not enough power from the batteries)
Rik
Posted: Fri Apr 15, 2016 5:16 pm
by Stewart Gethin
robyholmes:117455 wrote:I had this problem when you increased the throttle. The Deltangs have a LiPo protection setting on them which isn't needed for NiMh.
Programming info is here:
http://www.deltang.co.uk/rx60c-v611-p.htm (Just check I've got right version for your chip)
Then under Menu 7 look for LVC (Low Voltage Cut). It needs to be disabled.
I'll have to have a look at it in depth and get back to you. Thank you for your response.
Stewart
Posted: Fri Apr 15, 2016 5:17 pm
by Stewart Gethin
ge_rik:117463 wrote:Hi Stewart
You say you're using 4 x AA. Are they rechargeables? It sounds to me as if the batteries are not delivering enough power. One of the cells might be duff (I've had a similar problem myself) or there might be a fault on connections between the cells.
Does the LED flash five times when the loco fails? That's the signal for a brown-out (ie not enough power from the batteries)
Rik
If it's as simple as that Rik I'd love it! I'll have a look as thinking about it the batteries could've been sitting around for a while. But no they aren't rechargeable.
I'll let you know my verdict once I've sorted it.
Thanks everyone.
Stewart