Section 5 Parameters
5-6
Parameters
IS mode (1)
Manual reset value
h/l
• This function resets the offset that occurs when P (or PD) control is used.
The offset that occurs is set in °C or °F as the manual reset value. (This
applies when manual reset is enabled.)
• This parameter is displayed only when control mode switch 4 is ON. Even
when the switch is OFF, the manual reset function remains enabled.
* The set value H is a positive value, and L is a negative value.
* The decimal position is set automatically by the selected Sensor.
Setting range Unit Default
L99 to H99 (−99 to 99) EU H0
IS mode (2)
AT execute/cancel
at
This parameter is used to start AT (auto-tuning). (This parameter is displayed only when no PV
display is set for the PV/SP display.)
When the PV display is enabled, AT is executed when the U and D Keys are pressed
simultaneously for at least 2 s while the PV is displayed.
• The MV is forcibly increased and decreased around the set point to find the
characteristics of the control target. From the results, the PID constants are
automatically set in the “proportional band” (P), “integral time” (I), and
“derivative time” (D) parameters.
Setting range Default
0: AT cancel
1: AT execute
0
Setting
Function
Function
Setting
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