Charging voltage different on D120 than on D100

[Alfio]

Hello,

I have a D100/120/10A combination. I am seeing differences now with aircraft system voltages. D100 = D10A= 14.5V, and D120 showing 13.9V. They are all on the engine monitoring page.

Would it be right to assume that the voltage for D100 and D10A on the engine monitoring page is taken from the power signal going to these devices, while the D120 sense a the voltage from the current sense resistor? What would cause the difference in voltage readings?

Thanks.

Alfio

 

[dynonsupport]

Alfio:

All three units display voltage as measured at their power inputs at the device. There is apparently a 0.6V voltage drop at the EMS-D120.

Hello,

I have a D100/120/10A combination. I am seeing differences now with aircraft system voltages. D100 = D10A= 14.5V, and D120 showing 13.9V. They are all on the engine monitoring page.

Would it be right to assume that the voltage for D100 and D10A on the engine monitoring page is taken from the power signal going to these devices, while the D120 sense a the voltage from the current sense resistor? What would cause the difference in voltage readings?

Thanks.

Alfio

 

[Alfio]

Thanks guys, I'll check this out.