Delta DTK Series User Manual

6
 Selection for Heating/Cooling/Alarm/Dual-Loop Output Control
DTK series features 1 set of Output Control (OUT1) and 1 set of Alarm Output (ALARM1), both of which are built-in. Users can also
purchase a 2nd set of Alarm Output (ALARM2).
 Using 1 set of Output Control:
In Initial Setting Mode, set parameter
to Heating (H1) or Cooling (C1) mode.
 Using 2nd set of Output Control:
 When the 1st set of alarm and the 2nd set of output control are used for dual output control, set parameter
in Initial
Setting Mode to controls such as heating (H1H2), cooling (C1C2), heating/cooling (H1C2), or cooling/heating (C1H2).
The Dead Band parameter
is automatically enabled when the temperature controller is in dual output control. As shown in the
diagram below, the purpose for setting the Dead Band function is to reduce waste of energy from frequent acts of heating/cooling. Ex: For
example, if SV = 100 degree and
= 2.0, there will be no output when the temperature is between 99~101°C.
Output of
when in ON-OFF control mode (Ctrl = ON-OFF control):
Output of
when in PID control mode (Ctrl = PID):
When the controller is in PID control and dual loop output mode, parameter
sets the P value of the 2nd set of PID. The
1st set of PID is generated when TUNE = AT, but user can also manually set the PID value. The P value of the 2nd set of PID = the
P value of 1st set of PID x
. The I and D value of the 2nd set of PID remains the same as the 1st set of PID.
 Control Mode Setting
There are 3 control modes, which are ON-OFF, PID, and MANUAL.
 ON-OFF Mode: For heating output, the output is off when input is greater than the setting value; output is on when input is smaller
than (setting value - adjustment sensitivity setting value). For cooling output, the output is on when the input is greater than (setting
value + adjustment sensitivity setting value); output is off when input is smaller than the setting value. If one of 2 outputs is set for
heating and the other for cooling, a non-action zone can be set as shown in the diagram below.
 Set parameter to in Initial Setting Mode.
 Set adjustment sensitivity: Via parameter in Regulation Mode, set adjustment sensitivity
(output 1),
Adjust heating
Adjust cooling
Heatin Coolin
Set Point
Heatin Coolin
Set Point
Set Point
Heating
Cooling
Dead Band
Adjust heating Adjust cooling
Heating Cooling
Set Value
(Output ON-OFF control for both actions)

Delta DTK Series Specifications

General

Brand	Delta
Model	DTK Series
Category	Temperature Controller
Language	English