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