4-21
Chapter 4. Functions
z
Heating/cooling control dead zone
The dead zone for heating and cooling control can be set for each control loop.
Item (bank)
Display
Description
Initial value
Heating/cooling control
dead zone (CONTROL bank)
MENU > Control
Heat/Cool control dead zone
-100.00 to +100.00 %
0.0000
The Heat MV and Cool MV are output based on the MV that was output by the
PID control calculation.
The Heat MV and Cool MV that are output behave as shown in the figures below
based on the settings of the heating/cooling control dead zone.
100.0
％
0.0
％
Heat MV
100.0
％
Cool MV
0.0
％
0.0
％
50.0%
100.0
％
MV
100.0
％
0.0
％
Heat MV
100.0
％
Cool MV
0.0
％
0.0
％
50.0%
Dead zone
When dead zone > 0.0
％
When dead zone = 0.0
％
100.0
％
MV
100.0
％
0.0
％
Heat MV
100.0
％
Cool MV
0.0
％
0.0
％
50.0%
Dead zone absolute value
When dead zone < 0.0
％
100.0
％
MV
