YOKOGAWA UT55A - Page 202

8-73
IM 05P01C31-01EN
Control Functions
PositiveDeadBand
0%
Dead
band
(DB)
Dead
band
(DB)
Cooling-side control output (%) Heating-side control output (%)
0%
50%
Control computation output
100%
100%
Cooling-side
control output
high limit
(OHc)
Heating-side
control output
high limit
(OH)
0%
100%
0% 50% 100%
(OUT)
NegativeDeadBand
0%
0%
50% 100%
100%
0%
100%
0% 50% 100%
Dead
band
(DB)
Dead
band
(DB)
Cooling-side control output (%) Heating-side control output (%)
Control computation output
Cooling-side
control output
high limit
(OHc)
Heating-side
control output
high limit
(OH)
(OUT)
 CAUTION
• Set the ratio of the heating-side proportional band (P) to the cooling-side
proportional band (Pc) to within 1 to 5.
• Setting the heating-side or cooling-side integral time (I or Ic) to “OFF” results in
the integral time of both sides being set to “OFF.”
8
8.2SettingControlType(CNT)