Program Example Of Auto-Tuning (Step Response Method - Mitsubishi Electric FX3G User Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U 3UC
PID Instruction (FNC 88)
PID operation
M1
T246
PID
operation
M1
FNC226
T246
LD <
Error flag
M8067
PLC User's Manual - Analog Control Edition
PID operation
M1
D502
5 Example of Practical Programs (for Step Response Method)

5.3 Program example of auto-tuning (step response method)

Heater operation cycle timer
T246
(2 sec)
K2000
The heater operation cycle timer
RST T246
is preset.
Y021 Heater output
Error occurs.
Y020
END
K
L
M
M-27