Chore-Tronics® 2 Control Overview of Screens
MT1843B
37
(Curve Settings Screen) Minimum Ventilation Curve Tab
To access the Curve Settings "Minimum Ventilation" Screen, press the Tab Key
under "Min. Ventilation". There are several terms that need to be defined in order to
understand the Minimum Ventilation Curve Screen.
(Curve Settings Screen) Feeder Window Curve Tab
To access the Curve Settings "Minimum Ventilation" Screen, press the Tab Key
under "Min. Ventilation".
MT1842-076 10/04
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Figure 42. Curve Settings Screen:
Minimum Ventilation Curve Tab
Or
1. A “curve” is a listing of up to 10 points in time (bend
points) that defines how you want a parameter to
automatically vary as the animals grow. You make
the Control do that by turning the curve “on”.
2. Curve Value-This indicates the current value(s) of the
specified curve.
3. The Bend Points (BPs)-are points on the curve that
define the curve. The curve values are adjusted
between the Bend Points. The bend point values are
the exact values at midnight of the day # of each
Bend Point. The curve takes over when you turn the
curve “on” and the day number is equal to or greater
than the day number assigned to BP #1.
4. Day-The intention is that the day # is age of the ani-
mals. Negative days (down to – 7) are allowed if it is
desired to preheat the house, for example, prior to the
arrival of the animals. The day # of a BP can also be
negative, if desired. Changing the day # in any screen
that shows the day number, will change the day # in
all the other screens that show the day #.
The graphs on the right side of the Minimum Ventilation
Curve screen shows the progress of the curve. The
dashed line indicated the current day number of the
curve.
3
2
1
4
MT1842-075 10/04
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Figure 43. Curve Settings Screen: Feeder Window
Curve Tab
Or
The feeder window curve allows the automatic closing and/or
opening of the Revolution
®
Feeder flood windows via an
actuator. Relays must be assigned to the FEED WIN OP and
the FEED WIN CL relays in order for this screen to appear.
There are 10 bend points in the curve with each bend point
having a day setting and a feeder window position setting. A
position number of 1 indicates the windows are fully open and
a position of 10 indicates that the windows are fully closed.
The control moves the windows to a new position on the curve
at midnight of the day indicated on the bend point. If either the
open or the close switch is moved into the manual position the
curve will automatically turn off and a pop up window (Figure
44 below) will appear telling the user that the curve is turned
off. The feeder window curve screen will then indicate that the
feeder window is in MANUAL control.
Feeder Window Curve is off
and not controlled anymore
Press any key
Figure 44. Feeder Window Curve is Off
When both the open and closed switches are placed back in the automatic position the control will re
calibrate the feeder windows by closing the window completely and then opening to the Current
Position. While the control is re calibrating the control will show RECALIBRATING in the feeder
window screen.
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