152
Exchanging Data with the CPU Unit Section 3-3
function, the valve can be fully closed simply by outputting 0% or 100% output
as the MV from the Control Block.
Application Example:
Valve Tight-shut Operation
Setting Tight Shut
Function from the CX-
Process Tool
Method 1: Setting from the ITEM Setting Window in the Field Terminal
(Analog Output Terminal). (See note.)
Right-click in the ITEM Setting Window of the Field Terminal (Analog Output
Terminal), and select Extension.
Note The following table shows the applicable Field Terminals (Analog Output Ter-
minals).
The following dialog box will be displayed.
The details are as follows:
0%
0% 100%
100%
−20%
115%
Field terminal output
MV output
Example: PMV01
Set value
Upper limit: 11500
Lower limit: −2000
Field Terminal name Upper limit
(default)
Lower limit
(default)
AO 4-point Terminal (PMV01)
(Block Model 563)
11500 −2000
AO 4-point Terminal (PMV02)
(Block Model 565)
11500 −1500
Setting Details
PMV01 PMV02
Channel setting Channel Channels 1 to 4
Expansion set-
ting
MV tight shut
function
Upper limit −2000 to
15000
−1500 to
15000
Lower limit −2000 to
15000
−1500 to
15000