if (TangoAttributeHelper.isAttributeRunning(aScanServerDeviceName, attributeName)) {
final DeviceProxy proxy = TangoDeviceHelper.getDeviceProxy(aScanServerDeviceName, false);
if (proxy != null) {
try {
DeviceAttribute deviceAttribute = proxy.read_attribute(attributeName);
value = deviceAttribute.extractDouble();
} catch (final DevFailed e) {
}
}
}
return value;