Device address (?), Acknowledge active command (a), Device address (?) acknowledge active command (a) – Vaisala WXT520 User Manual
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Chapter 7 __________________________________________________ Getting the Data Messages
VAISALA_______________________________________________________________________ 71
Device Address (?)
This command is used to query the address of the device on the bus.
Command format: ?
The response:
b
Example:
?
0
If more than one transmitter is connected to the bus, see
. If you need to change the device address, see
Changing the Communication Settings (aXU) on page 63
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
where
?
=
Device address query command
=
Command terminator
where
b
=
Device address (default = 0)
=
Response terminator.
where
a
=
Device address
=
Command terminator