B&B Electronics I-7060 - Quick Start Guide - Manual (Page 39)

Getting Started for I-7000 Series Modules
Date: Jan-08, 2002 Version 1.02 page: 39
Figure 5-2-3. After Host-Watchdog sets module to safe state, all output
commands will be ignored.
To clear, the host PC must send the “ ~AA0 ” command to read the module
status, and the “ ~AA1 ” command to clear the module status.
Note the flow chart for the host computer in Figure 5-2-4.
Figure 5-2-4. Flow chart of Host-Watchdog.