10.18 Example Autotuning Program - Mitsubishi FX1S Series Programming Manual

FX Series Programmable Controllers

10.18 Example Autotuning Program

The following programming code is an example of how to set up the Pre-Tuning function.
D500: SV = 500
D502: MV = 1800, initial value
D510: T
D511: S
5 On. Bit 4 = Pre-Tune Function
D512: Input Filter, S
D515: K
value
D532: MV Max, S
D533: MV Min, S
Pulse M1 to turn On PID command
Send setting to Special Function Block
Read data from Special Function Block
Reset Output data when PID command is Off
PID Instruction Command Line
Turn Off PID Instruction
, S +0 = 3000
S 3
+1, Bits 0-3 and 5-15 Off, Bits 4 and
3
Bit 5 = MV Range Limit
+2 = 70%
3
, S +5 = 1800, initial
D 3
+22 = 2000
3
+23 = 0
3
X010
M0
M8002
FNC 79
K 0
TO
M8000
FNC 78
K 0
FROM
X010
M1
M1
FNC 88
D500
PID
X011
Points Of Technique 10
FNC 12
K500 D500
P
MOV
FNC 12
K1800 D502
P
MOV
FNC 12
K3000 D510
MOV P
FNC 12
H0030 D511
P
MOV
FNC 12
K 70 D512
P
MOV
FNC 12
K 0 D515
P
MOV
FNC 12
K2000 D532
P
MOV
FNC 12
K 0 D533
P
MOV
M0
PLS
SET M1
K 0 H3303 K 1
K 10 D501 K 1
RST D502
D501 D510 D502
RST M1
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