Unit Status ( also called Device Status). Describes the OK, BAD and DISABLED status of the device referenced. Similar to %TUNITST, %AUNITST and DevSTS.. DISABLE means halt communications to the device. A user or script must DISABLE the device. This is usually done from the STATION STATUS Display.
Syntax: %DUNITST(comport device)
Arguments: comport number, device number
Example: %DUNITST(1 1)
State3: No Device configured
RED FLASHING 1 means that there is a communications failure to the device; the SCADA node will retry to establish communications if BAD.
0 means communications enabled and no critical errors.
See also %TUNITST, DevSTS, %AUNITST and %DCOMST.