dai_speed.tai.description="Speed for ramp generation, in V/s. If speed is NULL, no ramp generated but direct write on channel output "+oss.str()+" (in measurementUnit).";
dai_speed.tai.format="%1.1f";
dai_speed.tai.format="%1.2f";
//- cleanup tango db option: cleanup tango db when removing this dyn. attr. (i.e. erase its properties from db)