[GreenKeys] final question on ST-6...

[valerie zeiser]

Hi Eugene;

Mine got so hot that it died.

I wound up replacing it with a ceramic wirewound resistor
that has is tapped.

73,
W6ESE - tony
NNNNZCZC

Eugene Hertz wrote:
> Ok...
> 
> The rheostat on the back of the ST-6 that controls the loop current...
> 
> 1. It gets VERY hot. REALLY hot! Is this normal? Is there any way I could reduce the heat?
> 
> 2. Seems like I can get the loop current to 60ma at the lowest but I can raise it to higher (not much) probably to compensate for more devices on the loop..Question is, i would imagine my 28KSR could probably work off lower voltage and/or current, no? 
> 
> Is there some way I could reduce the power consumed by the rheostat, perhaps by reducing the current through it or voltage across it? I recall some folks talking about running a loop on 80v instead of 100+v.
> thanks
> Eugene
>