Omron CX-PROCESS TOOL V5.2 - 12-2009 Operation Manual page 153

Creating Function Block
Initial Settings (S) and Operation Data (O)
Data Type
classification
Initial settings S
Operation data O
126
4. Set other ITEMs in the same way.
The following table provides the details of initial settings (S) and operation data
(O).
Unit
Initial settings (S)
Operation data (O)
Initial settings and operation
data (S + O)
The CX-Process Tool is normally used to set initial data S and the CX-Process
Monitor is used to set operation data O.
ITEM
Initial setting parameter
for each function block
Operation parameters
for each function block
Note Use the above classification when transferring or comparing function block data
to the Loop Controller. Refer to 4-3 Downloading, Uploading and Comparing
Data. Initial settings O and operation data S classifications are displayed on
ITEM Setting Screens of the CX-Protocol Tool. For details on the ITEMs set each
function block, refer to the Function Block Reference Manual.
(S): Initial setting data (set with the CX-Process Tool)
(O) Operation data (set with the CX-Process Tool or CX-Process Monitor)
Type
ITEM
of
ITEM
Contact input
Parameter
Special
Parameter
PV
Analog in-
put block
diagram in-
formation
Note In Edit Block Diagram Mode, an ITEM displayed in blue can be set as well by
selecting the ITEM, clicking the right mouse button, and selecting Edit – Edit
Connection from the pop-up menu. Either input BBBIII or select from the Func-
tion Block Group, Block/ITEM, and ITEM pull-down lists.
Initial settings in each function block in the data in an
LCU/LCB element that exists in a function block file
(.ist) and step ladder programs.
Note Data on the registered function blocks (i.e.,
data on the allocation to the block address) and
data on the software connection of analog and
accumulator signals.
Data for operating each function block in the data in
an LCU/LCB element in a function block file (.ist).
All the data in an LCU/LCB element in a function
block file (.ist).
Example: PID Block
Forward/Reverse direction,
SP setting method,
compensation method, etc.
Example: PID Block SP,
alarm settings, PID
constants, etc.
Data
Write/Read method
R: Read; W: Write; R/W:
length
Read/Write, ---: Disabled
(byte)
Note: r, t/w: CX-Process Tool
operation monitor/Operation monitor
read and write
(S): Initial setting data,
(O): Operation data
CX- ITEM
CX- Step
Pro- Ladder
Pro- Set-
cess Pro-
cess ting
Monitor gram
Tool block
Section
Description
CX-Process CX-Process
Tool Monitor
Set Cannot be
set
Set in special Set
cases
3-1