User’s Manual
53
2. Expanded Functions
PID algorithm:
∆∆∆∆
∆
MV K P I D
MV MV MV
nnnn
nn n
P
=⋅ ++
=±
−
()
1
Here,
∆
Pee
eSVPV
nnn
nnn
=−
=−
−
1
∆
∆
I
etIr
T
n
n
I
=
⋅+
∆
∆
∆
∆
D
TPV PV tD Dr
tT
DD D
n
nn n
nn n
D
D
=
⋅−−⋅+
+⋅
=+
=
−−
−
()
.
11
1
01
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)
