Command RampDownVoltage :

Decrease voltage in step size given by the attribute VoltageStepSize

RampDownVoltage Definition
Input Argument	Tango::DEV_VOID
Output Argument	Tango::DEV_VOID
DisplayLevel	OPERATOR	..
Inherited	false	..
Abstract	false	..
Polling Period	Not polled	..
Command allowed for	All states	..