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PID algorithm:
MV
K
(
P
P
n
n
MV
MV
n
n
1
Here,
P
e
n
n
e
SV
n
n
e
n
I
n
T
D
n
D
D
n
n
(Fixed)
0 1
.
Parameter details
A+1 A
Process input value PVC (0 to 100 %)
A+3 A+2
Auto mode set value ASV (0 to 100 %)
A+5 A+4
Cascade mode set value CSV (0 to 100 %)
A+7 A+6
Manual mode MV MMV (-25 to 125 %)
A+9 A+8
MV tracking input TMV (-25 to 125 %)
A+11 A+10
Mode setting MODE
A+11
F
B+1 B
Proportional gain KP (0 to 327.67)
B+3 B+2
Integral time TI (0 to 32.767 min., stop if TI = 0)
B+5 B+4
Derivative time TD (0 to 32.767 min.)
B+7 B+6
Gap (dead-band) GP (0 to 10 %)
B+9 B+8
Auto mode initial set value ISV (0 to 100 %)
B+11 B+10
Input filter constant FT (0 to less than 1)
B+13 B+12
ASV differential limit DSV (0 to 100 %/ t)
B+15 B+14
MMV differential limit DMMV (0 to 100 %/ t)
I
D
)
n
n
MV
n
e
n
1
PV
(If GP
0, Gap is applied)
n
t Ir
(If T
= 0, I
= 0)
I
n
T
I
(
PV
PV
)
t D
D
n
1
n
n
t
T
D
D
1
n
0
F
C
Dr
1
Data range: 0.0 to 100.0
Data range: 0.0 to 100.0
Data range: 0.0 to 100.0
Data range: -25.0 to 125.0
Data range: -25.0 to 125.0
A+10
8
4
0
Operation mode
Tracking designation
Data range: 0.0 to 327.67
Data range: 0.0 to 32.767
Data range: 0.0 to 32.767
Data range: 0.0 to 10.0
Data range: 0.0 to 100.0
Data range: 0.0 to less than 1.0
Data range: 0.0 to 100.0
Data range: 0.0 to 100.0
2. Expanded Functions
00 : Manual mode
01 : Auto mode
10 : Cascade mode
11 : (Reserve)
0 : No
1 : Yes
User's Manual
53
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