228
Initial Setting Level Section 5-9
• This parameter selects 2-PID control or ON/OFF control.
• The auto-tuning and self-tuning functions can be used in 2-PID control.
â– Related Parameters
AT execute/cancel: Page 192, Manual reset, Hysteresis (heating), and Hyster-
esis (cooling): Page 202 (adjustment level)
ST stable range (advanced function setting level): Page 247
• This parameter selects standard control or heating/cooling control.
• When heating/cooling control is selected for the E5CN-H (for a model
which does not support control output 2), the auxiliary output 2 terminal
(SUB2) is assigned as the control output (cooling).
â– Related Parameters
MV monitor (heating): Page 188, MV monitor (cooling): Page 189 (operation
level)
Cooling coefficient, Dead band: Page 201, Hysteresis (heating), Hysteresis
(cooling): Page 202 (adjustment level)
Control period (heat), Control period (cool) (initial setting level): Page 230
Control output 1 assignment: Page 261, Control output 2 assignment, Auxil-
iary output 1 assignment: Page 263, Auxiliary output 2 assignment: Page 264,
Auxiliary output 3 assignment: Page 265 (advanced function setting level)
• The ST (self-tuning) function executes tuning from the start of program
execution to calculate PID constants matched to the control target. When
the ST function is in operation, be sure to turn ON the power supply of the
load connected to the control output simultaneously with or before starting
Controller operation.
cntl PID ON/OFF
Setting range Default
pid: 2-PID, onof: ON/OFF pid
Function
Setting
See
See
s-hc Standard or Heating/Cooling
Setting range Default
stnd: Standard, h-c: Heating/cooling stnd
Function
Setting
See
See
st ST (self-tuning)
The control must be set to a temper-
ature input, standard control, and 2-
PID control.
Function
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