KROHNE MFC 300 FOUNDATION FIELDBUS EN - Manual (Page 31)

OPERATION
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MFC 300
www.krohne.com 02/2013 - 4001086702 - AD MFC 300 FF R02 en
GRANT_DENY GRANT_DENY GRANT_DENY GRANT_DENY
Grant Deny Grant Deny Grant Deny Grant Deny
R/W Options for controlling access of host computers and local
control panels to operating, tuning and alarm parameters of
the block.
-
GRANT
Grant
R/W Depending on the philosophy of the plant, the operator or a
higher level device (HLD) or a local operator's panel (LOP) in
the case of "Local", may turn on an item of the "Grant"
attribute - "Program, Tune, Alarm or Local".
Uninitialized
Setting:
Program / Tune / Alarm / Local
DENY
Deny
R/W The deny attribute is provided for use by a monitoring
application in an interface device and may not be changed by
an operator.
Uninitialized
Setting:
Program denied / Tune denied / Alarm denied / Local denied
HI_ALM HI_ALM HI_ALM HI_ALM
High Alarm High Alarm High Alarm High Alarm
Mix The status for High Alarm and its associated time stamp.
Settings of 5 subelements see in the following part.
-
HI_HI_ALM HI_HI_ALM HI_HI_ALM HI_HI_ALM
High High Alarm High High Alarm High High Alarm High High Alarm
Mix The status for High High Alarm and its associated time stamp.
Settings of 5 subelements see in the following part.
-
Settings of 5 subelements for previous 2 parameters High Alarm and High High Alarm:
Unacknowledged R/W Setting:
Uninitialized / Acknowledged / Unacknowledged
Uninitialized
Alarm State R Setting:
Uninitialized / Clear - reported / Clear - not reported / Active -
reported / Active - not reported
Uninitialized
Time Stamp R Setting:
MM / DD / YY (Month / Day / Year)
HH:MM:SS (Hour:Minute:Second)
Uninitialized
Subcode R 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
Other
Value R A numerical quantity entered by a user or calculated by the
algorithm.
0.0
HI_HI_LIM HI_HI_LIM HI_HI_LIM HI_HI_LIM
High High Limit High High Limit High High Limit High High Limit
R/W The setting for High High Alarm in engineering units.
Setting range see in the following part.
100
HI_HI_PRI HI_HI_PRI HI_HI_PRI HI_HI_PRI
High High Priority High High Priority High High Priority High High Priority
R/W Priority of the High High Alarm.
Setting see in the following part.
0
HI_LIM HI_LIM HI_LIM HI_LIM
High Limit High Limit High Limit High Limit
R/W The setting for High Alarm in engineering units.
Setting range see in the following part.
95
HI_PRI HI_PRI HI_PRI HI_PRI
High Priority High Priority High Priority High Priority
R/W Priority of the High Alarm.
Setting see in the following part.
1
Setting range for previous 2
parameters:
x_y_LIM
x_y_Limit
-3.39 E38…+3.39 E38 / - INF (- infinite) / + INF (+ infinite)
Setting for previous 2
parameters:
x_y_PRI
x_y_Priority
0: The associated alert may clear when the priority is changed
to 0, but it will never occur.
1: The associated alert is not send as a notification. If the
priority is above 1, then the alert must be reported.
2: Reserved for alerts that do not require the attention of a
plant operator, e.g. diagnostic and system alerts. Block alarm,
error alarm and update event have a fixed priority of 2.
3...7: Increasing higher priorities - advisory alarms.
8...15: Increasing higher priorities - critical alarms.
0
Parameter Parameter Parameter Parameter
Subelement Access Description and settings Initial Value