Reference to an Alarm type object, or to an object, which can generate a process alarm.
Description
The actions allows to control the alarm states of the D2000 system objects.
KVIT - alarm acknowledgement
BLOCK - alarm blocking
UNBLOCK - alarm unblocking
Every action may be executed in two ways:
Synchronously - notation with an assignment. Action waits for the execution of the given command. Action return code may get one of the following values:
_ERR_TRANS_ABORT
_ERR_TRANS_ERROR
_ERR_TRANS_IGNORED
_ERR_NO_ERROR
Asynchronously - notation without any assignment. Action will require the system to execute the given command and the script continues executing another actions.
Example
BEGIN
INT _stav
_stav := BLOCK alarm
IF _stav = _ERR_NO_ERROR THEN
MESSAGE "alarm has been blocked" ON srvskol1v.HIP
_stav := KVIT alarm ;attempt to acknowledge a blocked alarm
IF _stav = _ERR_NO_ERROR THEN
MESSAGE "alarm has been acknowledged" ON srvskol1v.HIP ;cannot be executed
ELSE
MESSAGE "alarm cannot be acknowledged, it is blocked" ON srvskol1v.HIP
ENDIF
ELSE
MESSAGE "failed to block an alarm" ON srvskol1v.HIP
ENDIF
END