Using QueryPLC access the X10 services
internal device status tracking, and it
doesn't send a command on the powerline.
You'll have to send a status request command:
sendplc a1 statusrequest
Note that the standard X10 StatusRequest
command is not the same as the Extended Code
status request that is used by the LM14A,
AM15A, and some other devices -- you'd have
to send the right extended code bytes for that.
If you want to process the incoming command
yourself, you have to be monitoring receive
notifications. As I said before, the modules
response to a status request should update
the X10 Device Services internal status
tracking, so you might be able to use
QueryPLC if that's easier. I believe there
are samples of both in the SDK.