Omron CS1W-LC001 Operation Manual page 95

Configuration of Function Blocks
Note 1 Conventions Used in Describing ITEMs
Refer to the Function Block Reference Manual.
The Function Block Reference Manual defines reading and writing methods
according to the following four methods as one of R: Read, W: Write, or R/W:
R/W-enabled.
1) According to CX-Process Tool
a) Upload/download of function block files (appended with the .ist
extension)
b) This indicates reading/writing on validate action or monitor run status
windows.
By uploading/downloading by function block files (appended with the
.ist extension), ITEMs are divided into two types: ITEMs to be set as
defaults (called "default data") and ITEMs (called "operation data")
that can be set in either CX-Process Tool or CX-Process Monitor.
R:
(S): Initial setting data,
r:
w:
2) According to CX-Process Monitor
This indicates reading/writing on the Tuning screen or Control screen.
3) According to ITEM Setting block
This indicates reading/writing by the Constant ITEM Setting block (Block
Model 171) or the Variable ITEM Setting block (Block Model 172).
4) According to Step Ladder Program
This indicates reading/writing by the Step Ladder Program (Block Model
301) or the Contact Distributor block (Block Model 201).
5) Send/Receive All Blocks
This indicates reading/writing by the Receive All Blocks block (Block
Model 461) or the Send All Blocks block (Block Model 462).
Upload by file,
Read in the validate action window of CX-Process Tool or the
monitor status window of CX-Process Monitor
Write in the validate action window of CX-Process Tool
W: Download by file
(O): Operation data
Section 3-1
77