Code 15x: How To Set Up the Analog Set Point
Chapter Seven: Operation in Setup Mode
238
B. If the display is not correct, enter the correct full scale set point, then press the
[
ENTER
] key.
The system responds by accepting the full scale pressure value, associating it with
the selected recipe, and causing the right display to blink.
5. Select On or Off in the right display (the default is Off) to enable/disable the Analog Set
Point feature.
A. If the display is correct, press the [
ENTER
] key.
B. If the display is not correct, use the [
ON
/
LEAD
] (to enable), or [
OFF
/
GAIN
]
(to disable) key, the analog set point feature for the selected recipe, then press the
[
ENTER
] key.
The system responds by enabling or disabling the analog set point feature for the selected
recipe, and causing the center display to blink.
Note
If the analog set point feature is turned off in a recipe, the system defaults
to a digital set point input for that recipe. The digital set point can be
entered via the front panel or RS-232 communications.
6. Enter the full scale voltage to set the upper limit of the analog input voltage range (the
default is 5 Volts).
A. If the display is correct, press the [
ENTER
] key.
B. If the display is not correct, enter the correct full scale voltage (up to 10 Volts), and
press the [
ENTER
] key.
The system responds by accepting the full scale voltage value and using it to set the
upper point on the analog set point slope.
The slope of the line in the analog voltage input versus analog set point graph determines
the value of the analog set point. Changing the value of the upper point on the line
changes the slope of the line. Figure 39, page 143, illustrates how the Analog Set Point
feature determines set point, and Refer to Figure 40, page 144, shows how adjusting the
lower or upper points of the analog input voltage range effect the set point value.
Note
1. The full scale voltage can also be modified in Normal and Leakage
Modes. Refer to How To Set Lower and Upper Points for Analog Set
Point Calculations in Normal and Leakage Modes.
2. Although the full scale voltage can be modified within any recipe,
only the last entered voltage is saved and used for all recipes.
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