ICP DAS USA I-87211W User Manual page 80

2.25 ~**
Description:
If the module enables the WatchDog function, this command
informs all modules that the host is OK. This command would clear
the counter of WatchDog to avoid the module entering safe mode.
The module would enter safe mode without receiving ~** command
during WatchDog timeout to avoid unexpected accident.
Syntax:
~** [CHKSUM](CR)
~ Delimiter character
** Host OK command
Response:
Valid Command:
Example:
Command:~010
Response:!0180
Read the Host WatchDog status of module 01 and it
returns a valid response. It shows WatchDog is
enabled and no Host WatchDog timeout is occurred.
Related Commands:
Section 2.28 ~AA0、2.29 ~AA1、2.30 ~AA2
2.31 ~AA3EVV、2.32 ~AA4V、
2.33 ~AA5V。
No response
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I-87211W User Manual