Revision 4  Foundation Fieldbus RMA803 Remote Indicator User's Guide  Page 85 
Parameter list 
 
Table 24: Signal Characterizer block parameters 
Parameter  Description 
ST_REV   The revision level of the static data associated with the function block. The 
revision value is incremented each time a static parameter value in the block is 
changed.  
TAG_DESC   The use description of the intended application of the block.  
STRATEGY   The strategy field can be used to identify grouping of blocks. This data is not 
checked or processed by the block.  
ALERT_KEY   The identification number of the plant unit. This information may be used in the 
host for sorting alarms, etc.  
MODE_BLK   The actual, target, permitted, ad 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   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.  
OUT_1   The block output value and status.  
OUT_2   The block output value and status.  
X_RANGE  The display scaling of the variable corresponding to the x-axis for display. It has 
no effect on the block.  
Y_RANGE  The display scaling of the variable corresponding to the y-axis for display. It has 
no effect on the block.  
GRANT_DENY  Options for controlling access of host computers and local control panels to 
operating, tuning, and alarm parameters of the block. (Not used by the device)  
IN_1  The block input value and status.  
IN_2  The block input value and status.  
SWAP_2  Changes the algorithm in such a way that IN_2 corresponds to “y” and OUT_2 to 
“x”. 
CURVE_X  Curve input points. The “x” points of the curve are defined by an array of 21 
points.  
CURVE_Y  Curve input points. The “y” points of the curve are defined by an array of 21 
points.  
UPDATE_EVT  This alert is generated by any changes to the static data. 
BLOCK _ALM  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 sets the active status in the status 
parameter. As soon as the Unreported status is cleared by the alert reporting 
task other block alerts may be reported without clearing the active status, if the 
subcode has changed.  
LICENSE_STATUS_SC  License status of the function block.