Omron CS1W-LC001 Operation Manual page 235

How to Use the Node Terminal Block
There are two modes of exchanging data between the host computer and Loop Control Unit.
Method
Description
Connection
method
Basic procedure
Step 1. Initial setting to System Common blocks
Step 2. Wiring in software of function blocks to
be monitored at Terminal to Computer Send
block (source designation).
CX-Process Monitor
used
Step 3. Setting of monitor tag using CX-Process
Tool
Step 4. Accessing (data collection) of Area to
send to computer by specifying the preset tag
name from CX-Process Monitor
2. To write data to the Loop Control Unit from the host computer
The host computer writes data on the following Terminal Setting from Computer blocks on the
Loop Control Unit using the FINS WRITE ITEM commands issued to the Loop Control Unit.
Function blocks used: DO Terminal Settings from Computer (Block Model 409)
The Loop Control Unit can use the Terminal Setting from Computer blocks to use the contact
or analog data that is written from the computer.
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On-demand reading mode
Host computer on which CX-Process
Monitor is running reads the Area to send to
computer whenever required.
Host Link, Ethernet, Controller Link, etc.
Host com puter on which CX-
Process Monitor is running
Loop Control Unit
Host Link
Terminal to computer send term inal
AO Terminal Settings from Computer (Block Model 410)
Data link mode
Host computer on which CX-Process
Monitor is running uses the Data Link
to read the Area to send to computer
at all times.
Controller Link data link used.
Host computer used
Step 3. Accessing (data collection) of Area to
send to computer from host computer
Appendix 2