KROHNE MFC 400 FOUNDATION FIELDBUS - Manual (Page 34)

4
OPERATION
34
MFC 400
www.krohne.com 11/2013 - 4003221901 - AD MFC 400 FF R01 en
NORMAL
Normal
R/W This is the mode which the block should be set to during
normal operating conditions.
Auto
Setting:
Auto / Manual / OOS
ST_REV ST_REV ST_REV ST_REV
Static Revision
R The revision level of the static data associated with the
function block. The revision value will be incremented each
time a static parameter value in the block is changed.
0
Setting:
0...65535
STRATEGY STRATEGY STRATEGY STRATEGY
Strategy
R/W The strategy field can be used to identify grouping of blocks.
This data is not checked or processed by the block.
0
Setting:
0...65535
TAG_DESC TAG_DESC TAG_DESC TAG_DESC
Tag Description
R/W This is the user description of the intended application of the
block.
blanks
Setting:
≤32 digits
ACK_OPTION ACK_OPTION ACK_OPTION ACK_OPTION
Acknowledge
Option
R/W Selection of whether alarms associated with the function
block will be automatically acknowledged.
Uninitialized
Setting:
HiHi Alm Auto Ack / Hi Alm Auto Ack / LoLo Alm Auto Ack / Lo
Alm Auto Ack / Blk Alm Auto Ack / Fail Alm Auto Ack / Off
Spec Alm Auto Ack / Maint Alm Auto Ack / Check Alm Auto
Ack
ALARM_HYS ALARM_HYS ALARM_HYS ALARM_HYS
Alarm Hysteresis
R/W Amount the PV must return within the alarm limits before the
alarm condition clears. Alarm hysteresis is expressed as a
percent of the PV span.
0.5
Setting:
0...50%
ALARM_SUM ALARM_SUM ALARM_SUM ALARM_SUM
Alarm Summary
Mix The current alert status, unacknowledged states, unreported
states and disabled states of the alarms associated with the
function block.
-
Current R The active status of each alarm. Uninitialized
Setting:
HiHi Alarm / Hi Alarm / LoLo Alarm / Lo Alarm / Block Alarm
Unacknowledged R The unacknowledged state of each alarm. Uninitialized
Setting:
HiHi Alarm Unack / Hi Alarm Unack / LoLo Alarm Unack / Lo
Alarm Unack / Block Alarm Unack
Unreported R The unreported states of each alarm. Uninitialized
Setting:
HiHi Alarm Unrep / Hi Alarm Unrep / LoLo Alarm Unrep / Lo
Alarm Unrep / Block Alarm Unrep
Disabled R The disabled state of each alarm Uninitialized
Setting:
HiHi Alarm Disabled / Hi Alarm Disabled / LoLo Alarm
Disabled / Lo Alarm Disabled / Block Alarm Disabled
BLOCK_ALM BLOCK_ALM BLOCK_ALM BLOCK_ALM
Block Alarm
Mix The block alarm is used for all configuration, hardware,
connection failure or system problems in the block. The cause
of the alert is entered in the subcode field. The first alert to
become active will set the "Active" status in the "Status"
attribute. As soon as the "Unreported" status is cleared by the
alert reporting task, another block alert may be reported
without clearing the "Active" status, if the subcode has
changed.
-
Parameter Parameter Parameter Parameter
DD name Access Description and settings Initial Value