User Manual

Logic Functions - Book 2
NOTIFICATION/REQUEST MESSAGE BLOCK
8-69
13
Msg Unacked Quality
(UQ) .............................................................................................. – WR
If the transmission of messages is enabled, this status indicates if the quality of the message
unacknowledged flag is GOOD or BAD. Only writeable in DEBUG.
GOOD 0 Quality when this block (or its controlling loop) is RUN or HOLD.
BAD 1 Quality when this block (or its controlling loop) is OFF, or when the
quality of the Acknowledge Source or Send Source is BAD.
14
Active
(A)........................................................................................................................... WR
If data is requested, specifies whether the operator has sent the data or a response is
pending. The active flag remains set until the transaction is complete. If no data is requested,
the active flag remains set until the operator clears it by writing 0 to this field.
NO 0 The operator has sent the required data (or has cleared the active
field).
YES 1 The operator has not sent the required data (or has not cleared the
active field).
15
Active Quality
(AQ)........................................................................................................... – WR
If the transmission of messages is enabled, this status indicates if the quality of the Response
pending flag is GOOD or BAD. Only writeable in DEBUG.
GOOD 0 Quality when this block (or its controlling loop) is RUN or HOLD.
BAD 1 Quality when this block (or its controlling loop) is OFF, or when the
quality of the Acknowledge Source or Send Source is BAD.
16
Timed Out
(TO) ................................................................................................................. – WR
Flag to indicate response time has elapsed and no response has been received.
NO 0 Timer has not expired. This flag is set to NO when the message is
triggered.
YES 1 Timer has expired.
17
Timed Out Quality
(TOQ) ................................................................................................. – WR
If the transmission of messages is enabled, this status indicates if the quality of the timed out
flag is GOOD or BAD. Only writeable in DEBUG.
GOOD 0 Quality when this block (or its controlling loop) is RUN or HOLD.
BAD 1 Quality when this block (or its controlling loop) is OFF, or when the
quality of the Max Response Time is BAD.
18
Report Notification Events?
(REPORT)...........................................................................CWR
Event reporting flag. When this flag is set to YES, the following Notification/Request events
are reported: goes active and unacknowledged, goes clear while unacknowledged, goes clear
while acknowledged, is cleared by suppression, is acknowledged, is globally acknowledged, is
acknowledged by suppression, is suppressed, is enabled.
NO 0 Block does not make required calls to stuff events.
YES 1 Block makes required calls to stuff events.