May 2016
Reference Manual
00809-0100-4530, Rev DD
333
E.2
Parameters and descriptions
Table E-2. Level Transducer Block Parameters and Descriptions
Parameter
Index Number
Description
ST_REV
1
The revision level of the static data associated with the
function block. The revision value increments each
time a static parameter value in the block is changed.
TAG_DESC
2
The user description of the intended application of the
block.
STRATEGY
3
The strategy field can be used to identify grouping of
blocks. This data is not checked or processed by the
block.
ALERT_KEY
4
The identification number of the plant unit. This
information may be used in the host for sorting alarms,
etc.
MODE_BLK
5
The actual, target, permitted, and normal modes of the
block.
Target: The mode to “go to”
Actual: The mode the “block is currently in”
Permitted: Allowed modes that target may take on
Normal: Most common mode for target
BLOCK_ERR
6
This parameter reflects the error status associated with
the hardware or software components associated with
a block. It is a bit string, so that multiple errors may be
shown.
UPDATE_EVT
7
This alert is generated by any change to the static data.
BLOCK_ALM
8
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 parameter. 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.
TRANSDUCER_DIRECTORY
9
Directory that specifies the number and starting
indices of the transducers in the transducer block.
TRANSDUCER_TYPE
10
Identifies the transducer.
XD_ERROR
11
A transducer block alarm subcode.
COLLECTION_DIRECTORY
12
A directory that specifies the number, starting indices,
and DD Item ID’s of the data collections in each
transducer within a transducer block.
RADAR_LEVEL_TYPE
13
Not used
RADAR_LEVEL
14
Level
RADAR_LEVEL_RANGE
15
See
RADAR_ULLAGE
16
Distance (Ullage)
RADAR_LEVELRATE
17
Level Rate
RADAR_LEVELRATE_RANGE
18
See
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