Chapter 3
Using the Function Menu
3–18
Use scaling to convert data from a controller to engineering units such as
gallons or psi. When scaling is disabled, the values are not converted. Refer
to the DTAM Programming Software Manual for a description of how values
are scaled. The scaling factor is determined by the application designer, it
cannot be changed by the operator.
PLC-5
Flow Rate
Transducer
Flow Rate
Transducer
Value =
510
Value From
Controller =
510
DTAM Plus displays
scaled
value of
16
Gallons Per Minute
Flow = 16
Gallons Per Minute
To enable or disable scaling:
1. From the Function Menu, select Other.
1 C-Port
5 Special
2 P-Port
6 Term
3 Clk/Cal
7 Test
4 Reset
8 Other
The Other Menu appears:
1 Simulate
5 Mastr C
2 BL / Int
6 Scale E
3 Contrast
7 Exit
4 Prn Scrn
2. Press [6] to select Scale Enable.
The scale enable screen appears:
Scale Enalbe ON(0)
”1” or ”Y” = ON
”0” or ”N” = OFF
ENTER = NC
Current Setting
3. Press [1] on the keypad to enable scaling or [0] to disable scaling.
You return to the Other Menu.
4. Press [7] to exit to the Function Menu.
Using Scaling
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