Mitsubishi Electric FX5 User Manual page 95

Program
X10
Auto-tuning is started
SM402
Initial pulse
D511.4
Auto-tuning is executed
X10
Auto-tuning is started
D511.4
PID
Auto-tuning is executed
M4
Auto-tuning is executed
ST0
Heater operation
cycle
M4
Auto-tuning is executed
M4
< ST0 D502
ST0<D502 Auto-tuning is executed
MOV K5000 D500
MOV K1000 D510
MOV K1800 D502
RST D511.6
SET D511.8
MOV K10 D535
SET D511.4
RST SM6021
RST D502
D500 SD6022 D510 D502
M4
OUTHS ST0 K2000
ST0
RST
Y1
END
The target value is set to 50°C
The sampling time is set to
1000 ms
The output of auto-tuning
is set to 1.8 sec.
The auto-tuning mode is set to
step response method
The hunting suppression
setting is used.
Timeout time after maximum
ramp (R) detection is
set to 10 seconds.
Auto-tuning is started
The built-in analog is set to used CH
CH1: SM6021
CH2: SM6061
The PID output is initialized
Built-in analog monitor
CH1: SD6022
PID instruction drive
CH2: SD6062
Auto-tuning is executed
The heater operation
cycle is set to 2 sec.
Preset
Heater output
10 PID CONTROL FUNCTION
10.8 Examples of Program
PID instruction
initial setting
0: Enable
1: Disable
Heater output control
93
10