Operator Interface Module Instruction Manual

Chapter 3
Initial Setup and Mode Menu
3–9
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
Flow = 16
Gallons Per Minute
Value From
Controller = 510
DTAM Micro displays
scaled value of
16 Gallons Per Minute
To enable or disable scaling:
1. From the Mode Menu, select item 4.
1 Reset 3 Special
2 Com-Port 4 Other
The Other Menu appears:
1 Master 3 Simulate
2 Scale 4 Test 5 Ex
2. Select item 2.
The scale enable screen displays:
Scale Enable OFF (0)
0=Off 1=On
Current Setting
3. Press [1] on the keypad to enable scaling and [0] to disable scaling.
You are returned to the Other Menu.
4. Select item 5 to exit to the Mode Menu.
Enabling / Disabling Scaling