User's Guide _______________________________________________________________________
36 ___________________________________________________________________ M210470EN-B
Device address (?)
This command is used to query the address of the device on the bus.
Command format:
?<cr><lf>
where
?
=
Device address query command
<cr><lf>
= Command terminator
The response:
b<cr><lf>
where
b
=
Device address (default=0)
<cr><lf>
=
Response terminator.
Example:
?<cr><lf>
0<cr><lf>
If more than one transmitter is connected to the bus, see Appendix A,
Networking
. If you need to change the device address, see Chapter 6,
section
Changing the communication settings.
Acknowledge active command (a)
This command is used to ensure that a device is responding to a data
recorder or another device. It asks a device to acknowledge its
presence on the bus.
Command format:
a <cr><lf>
where
a
=
Device address (default = 0)
<cr><lf>
=
Command terminator
The response:
a
<cr><lf>
where
a
=
Device address (default = 0)
<cr><lf>
=
Response terminator
Example:
0
<cr><lf>
0
<cr><lf>