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Configuration of Function Blocks
Section
3-1
75
ITEM type
Block diagram
symbol
Description
Example
Setting method
Accumulated
value input
connection
information
×
×
×
ITEM number
This is the indication data
for receiving the
accumulation data
(00000000 to 99999999)
from the accumulated value
output ITEM of another
function block.
Source designation
(ITEM007) of the
Accumulated Value
Input/Contact Output
block (Block Model 186)
Specify the ITEM number
(accumulated value output
ITEM) of the block Block
Model of the source
designation.
Note: This data can also be set as
data for each ITEM or wired
in the software.
Accumulated
value input
No symbol in block
diagram
This is the accumulated
value data that is received
from the source designation
specified by the
accumulated value input
connection information.
Accumulated value
input (ITEM008) of the
Accumulated Value
Input/Contact Output
block (Block Model 186)
Accumulated
value output
×
×
×
ITEM number
Accumulation data
(00000000 to 99999999) is
sent to the accumulated
value input ITEM of another
function block.
Accumulated value
(ITEM011, 012) of the
Contact
Input/Accumulated
Value Input block
(Block Model 185)
This is not specified. (The
connection is made by
specifying output at the
send destination block.)
This is internal data upon
which neither the above-
described analog
input/output nor contact
input/output operations are
performed.
There are two types of
parameters: parameters
whose value can be
changed by one or a
combination of the methods
1) to 4) below, and
parameters whose value
cannot be changed by any
of the following methods
(only indicated) in 5) below.
1) Parameter value
can be changed by
CX-Process Tool
High alarm setting
(ITEM009) of the Basic
PID block
Set in CX-Process Tool.
2) Parameter value
can be changed by
CX-Process Monitor.
Local Set Point setting
(ITEM023) of the Basic
PID block
Set in CX-Process Monitor.
Parameter
Basically, no symbol
in block diagram
(expressed as follows
in some cases as an
explanation)
×
×
×
ITEM number
3) Parameter value
can be changed by
the Constant ITEM
Setting block (Block
Model 171) or the
Variable ITEM
Setting block (Block
Model 172).
Proportional band
setting (ITEM054) of
the Basic PID block
Constants or variables
(analog signals) are written
according to the write
destination of the Constant
ITEM Setting block (block
number 171) or the
Variable ITEM Setting
block (block number 172).