Vaisala WXT510 - Manual (Page 70)

User’s Guide ______________________________________________________________________
68 __________________________________________________________________ M210470EN-D
The response:
a
Example (device address 0):
?!0
Acknowledge Active Command (a)
This command is used to ensure that a device is responding to a data
recorder or another SDI-12 device. It asks a device to acknowledge its
presence on the SDI-12 bus.
Command format: a!
The response:
a
Example:
0!0
where
a
= Device address (default = 0)
= Response terminator
where
a
= Device address
! = Command terminator
where
a
= Device address
= Response terminator