Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 85

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Program
SM402
Initial pulse
X10
PID control is started
after auto-tuning
D511.4
Auto-tuning is
executed
SM402
Initial pulse
SM402
Initial pulse
X10
X11
PID control is started
PID control is started
after auto-tuning
(without auto-tuning)
X10
PID
PID control is started
after auto-tuning
X11
PID control is started
(without auto-tuning)
M4
PID is executed
ST0
Heater operation
cycle
M4
PID is executed
M4
< ST0 D502
ST0<D502
PID is executed
MOV
K5000
D500
SET
D511.0
SET
D511.5
MOV
K2000
D532
MOV
K0
D533
RST
D511.6
MOV
K1000
D510
MOV
K1800
D502
SET
D511.4
MOV
K500
D510
RST
SM6021
RST
D502
D500
D510
SD6022
D502
M4
OUTHS
ST0
K2000
RST
ST0
Y1
END
The target value is set to 50°C
The operation direction is
set to backward operation
The upper and lower limits of
output value is set to valid
The output value upper limit
is set to ON for 2 sec.
The output value lower limit
is set to ON for 0 sec.
The auto-tuning is set to
step response method
The sampling time is
set to 1000 ms
The output of auto-tuning
is set to 1.8 sec.
Auto-tuning is executed
The sampling time is set to 500 ms
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
PID is executed
The heater operation
cycle is set to 2 sec.
Preset
Heater output
9 PID CONTROL FUNCTION
9.8 Examples of Program
PID instruction
initial setting
Auto-tuning initial
setting
0: Enable
1: Disable
Heater output control
83
9

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