- 61 -
Example for selecting PID constant group of ZONE and SEGMENT PID.
1. ZONE PID
PID ZONE can be divided up to eight according to setting T1 to T7 like figure 3.13.2.
and PID ZONE number is selected by changing SP or PV automatically.
Fig. 3.13.2 PID ZONE Set screen
•
Gain for Heating
•
Gain for Cooling
•
Reset for Heating
•
Reset for Cooling
•
Rate for Heating
•
Rate for Cooling
•
Hysteresis for Heating
•
Hysteresis for Cooling
•
Manual Reset
PID
group
•
Gain for Heating
•
Gain for Cooling
•
Reset for Heating
•
Reset for Cooling
•
Rate for Heating
•
Rate for Cooling
•
Hysteresis for Heating
•
Hysteresis for Cooling
•
Manual Reset
PID
group
•
Gain for Heating
•
Gain for Cooling
•
Reset for Heating
•
Reset for Cooling
•
Rate for Heating
•
Rate for Cooling
•
Hysteresis for Heating
•
Hysteresis for Cooling
•
Manual Reset
•
Dead band
•
Output low limit
•
Output High limit
•
Tuning Point
PID zone
3
•
Zone PID
Settable up to eight zones
•
Gain for Heating
•
Gain for Cooling
•
Reset for Heating
•
Reset for Cooling
•
Rate for Heating
•
Rate for Cooling
•
Hysteresis for Heating
•
Hysteresis for Cooling
•
Manual Reset
PID
•
Gain for Heating
•
Gain for Cooling
•
Reset for Heating
•
Reset for Cooling
•
Rate for Heating
•
Rate for Cooling
•
Hysteresis for Heating
•
Hysteresis for Cooling
•
Manual Reset
PID
•
Gain for Heating
•
Gain for Cooling
•
Reset for Heating
•
Reset for Cooling
•
Rate for Heating
•
Rate for Cooling
•
Hysteresis for Heating
•
Hysteresis for Cooling
•
Manual Reset
PID
group
•
Segment PID
•
Gain for Heating
•
Gain for Cooling
•
Reset for Heating
•
Reset for Cooling
•
Rate for Heating
•
Rate for Cooling
•
Hysteresis for Heating
•
Hysteresis for Cooling
•
Manual Reset
PID
group
•
Gain for Heating
•
Gain for Cooling
•
Reset for Heating
•
Reset for Cooling
•
Rate for Heating
•
Rate for Cooling
•
Hysteresis for Heating
•
Hysteresis for Cooling
•
Manual Reset
PID
group
•
Gain for Heating
•
Gain for Cooling
•
Reset for Heating
•
Reset for Cooling
•
Rate for Heating
•
Rate for Cooling
•
Hysteresis for Heating
•
Hysteresis for Cooling
•
Manual Reset
PID
group
•
Gain for Heating
•
Gain for Cooling
•
Reset for Heating
•
Reset for Cooling
•
Rate for Heating
•
Rate for Cooling
•
Hysteresis for Heating
•
Hysteresis for Cooling
•
Manual Reset
PID
group
•
Gain for Heating
•
Gain for Cooling
•
Reset for Heating
•
Reset for Cooling
•
Rate for Heating
•
Rate for Cooling
•
Hysteresis for Heating
•
Hysteresis for Cooling
•
Manual Reset
•
Dead band
•
Output low limit
•
Output High limit
•
Tuning Point
PID group 8
Eight groups is fixed
PID ZONE
EXIT
-80
T1
1 2 3 4 5
6 7 8
-50
T1= T2=
0
50
T3= T4=
CH1
100
250
T5= T6=
PID SET
PID ZONE
CONTROL
PID VAL
400
T7=
RANGE:-100.0 to 500.0
T2
T3
T4
T5
T6
T7
CH2
T1 = -80
T2 = -50
T3 = 0
T4 = 50
T5 = 100
T6 = 250
T7 = 400
03-12 WED
18.31.58