[sim, PacketFramework] = ld_SendPacketInclSub(sim, PacketFramework, Signal, NValues_send, datatype, SourceName, SubPluginUname, SubBlock)
Stream data - block including a subscibtion to a plugin
Signal - the signal to stream
NValues_send - the vector length of Signal
datatype - only ORTD.DATATYPE_FLOAT by now
SourceName - a unique string identifier descring the stream
SubPluginUname - a unique string identifier describing the plugin
SubBlock - e.g. 'SourceGroup0'