Mitsubishi MELSEC-F FX3U Series

FX 3U /FX 3UC Series PLC User's Manual - Analog Control Edition
PID Instruction (FNC 88)
G-27
5 Example of Practical Programs (for Step Response Method)
5.3 Program example of auto tuning (step response method)
A
Common Items
B
FX
3UC
-4AD
C
FX
3U
-4AD-ADP
D
FX
3U
-4DA-ADP
E
FX
3U
-4AD-PT
-ADP
F
FX
3U
-4AD-TC
-ADP
G
PID Instruction (FNC 88)
M1
PID operation
K2000
T246
T246
T246 D502 Y021
M8067
Error flag
Y020
END
Heater operation cycle timer
(2 sec)
The heater operation cycle timer
is preset.
Heater output
Error occurs.
RST T246
M1
PID
operation
M1
PID operation
FNC226
LD <