Operation – KROHNE MFC 400 FOUNDATION FIELDBUS User Manual
Page 35
OPERATION
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MFC 400
www.krohne.com
11/2013 - 4003221901 - AD MFC 400 FF R01 en
Unacknowledged
R/W
A discrete enumeration which is set to "Unacknowledged"
when an alarm occurs, and set to "Acknowledged" by a write
from a human interface device or other entity which can
acknowledge that the alarm/event has been noticed.
Uninitialized
Setting:
Uninitialized / Acknowledged / Unacknowledged
Alarm State
R
A discrete enumeration which gives an indication of whether
the alert is active and whether it has been reported.
Uninitialized
Setting:
Uninitialized / Clear - reported / Clear - not reported / Active -
reported / Active - not reported
Time Stamp
R
The time when evaluation of the block was started and a
change in alarm/event state was detected that is unreported.
The time stamp value will be maintained constant until alert
confirmation has been received - even if another change of
state occurs.
Uninitialized
Setting:
MM / DD / YY (Month / Day / Year)
HH:MM:SS (Hour:Minute:Second)
Subcode
R
An enumeration specifying the cause of the alert to be
reported.
Other
Setting:
Other / Block Configuration / Link Configuration / Simulation
Active / Local Override / Device Fault State / Device
Maintenance / Input Failure / Output Failure / Memory
Failure / Lost Static Data / Lost NV Data / Readback Check /
Maintenance Needed / Power Up / Out Of Service
Value
R
The value of the associated parameter at the time the alert
was detected.
0
Setting:
0...255
BLOCK_ERR_
BLOCK_ERR_
BLOCK_ERR_
BLOCK_ERR_
DESC_1
DESC_1
DESC_1
DESC_1
Block Error
Description
R
This parameter is used by a device to report more specific
details regarding persistent errors that are reported through
BLOCK_ERR.
Uninitialized
Setting:
RB is OOS / Memory Failure / No Schedule / ExecTime small /
ExecTime large / MODE OOS / CHANNEL setting / XD UNIT
setting / XD_SCALE small delta / OUT_SCALE small delta /
L_TYPE setting / XD_SCALE unequal to OUT_SCALE /
IO_OPTS setting
BLOCK_WARN_
BLOCK_WARN_
BLOCK_WARN_
BLOCK_WARN_
DESC
DESC
DESC
DESC
Block Warning
Description
R
Reason why OUT.status is not GOOD
Uninitialized
Setting:
MODE_PERM not Auto / MODE MAN / MODE.ACTAUL MAN /
Simulation active / Sim value not good / Sim value is limited /
TB is OOS / TB value is Bad / TB value is limited / TB value is
uncertain / OUT exceeds OUT_SCALE / unknown reason
Parameter
Parameter
Parameter
Parameter
DD name
Access
Description and settings
Initial Value