Vaisala WXT536, Руководство пользователя

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Chapter 7 ___________________________________________________ Retrieving Data Messages
VAISALA______________________________________________________________________ 101
The response:
a<cr><lf>
Example (device address 0):
?! 0<cr><lf>
Acknowledge Active Command (a)
This command checks that a device responds to a data recorder or
another SDI-12 device. It asks device to acknowledge its presence on
the SDI-12 bus.
Command format: a!
The response:
a<cr><lf>
Example:
0! 0<cr><lf>
where
a
= Device address (default = 0)
<cr><lf> = Response terminator
where
a
= Device address
! = Command terminator
where
a
= Device address
<cr><lf> = Response terminator