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Simple Example of Use
Section
4-1
146
8. Create (compile) the monitor tag file.
When using SCADA software
6. Register a Send All Blocks, Receive All Blocks, or Expanded CPU Unit
Terminal function block.
7. Set the CSV tags.
8. Create (compile) the CSV tag file
Step 3
Setting up the Loop Control Unit
1, 2, 3…
1. Mount the Loop Control Unit, and wire the Analog Input Unit and Analog
Output Unit.
Analog Input Unit
Temperature
converter
4 to 20 mA
4 to 20mA
A2 Input 1 (
−
)
A5 Input 2 (
−
)
A1 Input 1 (
+
)
A4 Input 2 (
+
)
Differential
pressure
transmitter
Analog Output Unit
4 to 20 mA
Control valve
Output 1 (
+
) A4
Output 1 (
−
) A3
The Loop Control Unit itself need not be wired.
2. Set the unit number on the front panel of the Loop Control Unit.
3. Connect the Programming Devices.
4. Turn power ON to the PC.
5. Prepare I/O tables using the Programming Devices.
Note The following restrictions are applied when the CX-Programmer
(Ver1.1) is used to prepare I/O tables:
If the registered I/O table is read to the I/O Table window (by
downloading from the PC to the Computer) after mounting the
Loop Control Unit and preparing I/O tables online, "unit type
unknown" will be indicated on the Loop Control Unit. This,
however, causes no problem in operation.