3.2
PID Control by Complete Derivative
Performance specifications
The performance specifications for PID control are tabled below.
Item
Number of PID control loops
Sampling cycle
PID operation method
PID constant
Proportional
setting range
constant
Integral
constant
Derivative
constant
SV (set value) setting range
PV (process value) setting
range
MV (manipulated value)
output range
PID operation block diagram and operation expressions
PID operation block diagram
The PID operation block diagram for complete derivative is shown below.
3 PID CONTROL SPECIFICATIONS
20
3.2 PID Control by Complete Derivative
Specification
With PID limits
Basic model
High
QCPU
Performance
model QCPU,
Redundant CPU,
Universal model
QCPU, LCPU
8 loops (maximum)
32 loops (maximum)
T
0.01 to 60.00s
S
Process value differentiation complete derivative (forward operation/reverse operation)
K
0.01 to 100.00
P
T
0.1 to 3000.0s
I
T
0.00 to 300.00s
D
SV
0 to 2000
PV
-50 to 2050
MV
Without PID limits
Basic model
High
QCPU
Performance
model QCPU,
Redundant CPU,
Universal model
QCPU, LCPU
8 loops (maximum)
32 loops (maximum)
-32768 to 32767
-32768 to 32767
QnACPU
32 loops (maximum)
0 to 2000
-50 to 2050