Function Blocks
Function Block Reference Guide
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2.52 RCON Function Block
Description
The
RCON
label stands for
Read Constant Parameter Data
.
This block is part of the
Auxiliary
category.
It looks like this graphically on the Control Builder.
Function
Reads the numerical value of selected configuration parameter in a given function block
. Select the index
number of the required parameter from the specific function block reference data and enter it in the
appropriate field in the “Read Constant Properties” dialog box.
Output
OUT =
analog value of parameter
.
Block Properties
Double click on the function block to access the
function block properties dialog box.
Block Order (Read Only)
You can change the assigned execution order
number by selecting “Execution Order” in the
“Configure” menu and arrange the order to suit
your control strategy.
Configuration Parameters
You must configure the RCON function Block
parameters to the desired value or selection that
matches your operating requirements.
Table 2-46 describes the parameters and the
value or selection.
Table 2-46 Read Constant Configuration Data
Properties Group
Parameter
Index#
Parameter Description
Value or Selection
Read Parameters
Block
Number
N/A
Number of control block that
contains desired configuration
parameter
1 to 250
Parameter
Index
N/A
Index number of configuration
parameter to be read.
Select the index
number of the
required parameter
from the specific
function block
reference data
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