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Large Dehumidifying Dryers Controls 30
Available E5CN Modes
Operation Level
Indicator Name Description
Run/Stop Mode
(r-S)
When “RUN” is selected, the control is running.
When “STOP” is selected, the control is stopped.
When the control is stopped, the STOP display
lights. The default is set to “RUN.”
Alarm Value 1
Mode (AL-1)
This setting is used to indicate how many degrees
the process temperature will be allowed to exceed
the set point temperature. An alarm output will de-
energize the heaters.
Adjustment Level
Indicator Name Description
Auto-Tune Mode
(At)
See Page 41 of Chapter 5 for instructions on how
to Auto-Tune your dryer.
Note: Although the controller is calibrated at
the factory, the manufacturer
recommends that the unit be Auto-
Tuned prior to dryer startup.
Temperature Input
Shift Mode (TnS)
This setting is used to offset an error between the
set point and the actual temperature. The entire
input range is shifted by a set figure
preprogrammed by the operator.
Proportional Band
Mode (P)
This setting controls the amount in which the
manipulated variable (MV) is proportionate to the
deviated value or controller error.
Integral Time
Mode (I)
Setting this feature, gives the control an action that
is proportionate to the time integral of the control
error. By using this setting, proportional action is
used in combination with integral action to offset
the control error and the set point will begin to
match the control temperature (PV or process
value).
Derivative Time
Mode (d)
Setting the derivative control provides the
controller with the ability to correct for a future
error in the previously set process output.