
1
2
2. Press
the
INDEX
key until
Out1
is shown on the lower display.
•
Menu item
Out1
designates the control method to be used by the
controller. There are essentially two selections to choose from:
•
ONOF
allows the controller to simple on/off mode. This setting
forces the controller to turn off at the setpoint, and turn on at the
setpoint plus the differential (
SP_d
).
•
##tP
sets the controller to time proportioning control. The
available 1 second steps range from
1tP
to
80tP.
A value of
1tP
is recommended for solid state outputs. For mechanical outputs,
the longest possible time should be selected without causing the
process to wander.
3
. Use the
UP ARROW
and
DOWN ARROW
keys to change the
value.
4
. Press
ENTER
to retain that value.
5
. If
ONOF
is selected under the
Out1
menu item, press the
INDEX
key until
SP_d
is shown on the lower display.
SP_d
is
the Set Point On-OFF Differential (hysteresis), which should be
negative for a heating process.
6
6
.
.
Use the
UP ARROW
and
DOWN ARROW
keys to change the
value.
7.
Press
ENTER
to retain that value.
Setting the Alarm
1. Hold
the
UP ARROW
and
ENTER
simultaneously for five
seconds to enter the secure menu.
2. Press
the
INDEX
key until
AL
is shown on the lower display.
AL
is the temperature alarm function. Five different options are
available for this menu item.
•
OFF
Alarm is disabled.
•
Lo
Low Alarm only.
•
Hi
High Alarm only.
•
HiLo
High and Low alarm share the same alarm output.
•
Evnt
Alarm is controlled by the Ramp/Soak program
function
3
. Use the
UP ARROW
and
DOWN ARROW
keys to change the
value.