Running Auto-Tuning - Fuji Electric Micro Control X Instruction Manual

suppress the amount of overshoot.
miscalculation, even when the control loop is open.
process value
control equipment power
control loop
1
2
3
Press the key to set the value.
reducing overshoot after a SV change or at startup.
control.
2) Perform a control to check the response (small overshoot).
following table.
Control result
Small overshoot
1
2
3
Press the key to set the value.
7-7. Auto-tuning
Behavior Function
" " set value
" "
The standard auto-tuning for SV reference. Choose this auto-tuning in most
" "
situations.
" "
the overshoot when tuning.
AT start
process
AT calculating
value
SV
PID control
PV
t
Set the following parameters before running auto-tuning.
Point
filter in the setup channel menu ("
suppress overshoot
SV
PV
t
ON
OFF
close
close
open
").
").
").
process
AT start
value
AT calculating
SV
PV
")

Running auto-tuning

1
Choose the standard type ("
2
Press the
Point
MV indiator lights during manual mode and during parameter setting.
Modes can be changed by three methods: the front key (user key), communication function, or the
parameter "
MV
PID
calculation
Caution
Automatically runs after setting the times for the SV changes.
").
SV
step2
step1
SV-2
SV-1
PV
TM1s
TM1r
SV-10%FS
Caution
PID control
t
").
- 15 -
") and choose the tuning type.
") or low PV type ("
key to start auto-tuning.
changed if the power is turned off during auto- tuning. In this case, rerun auto-tuning.
pressure control and flow control that have a fast response.
change in the control target conditions that reduces the effectiveness of the controls.
is stored.
remote SV function, or ramp SV.
".
MV1
Dual
Soft start
MV limit
calculation
limit
MV2
using the overlimit function.)
SV-8
step3
SV-9
SV-7
SV-3
SV-4
SV-5
SV-6
TM5s
TM5r
soak menu ("
operation menu to hold (" ") during the ramp period at the beginning of the pattern.
parameter ("
seg ramp).
(" ") and the restore mode ("
(" ") at the same time.
") according to the control target
output
Specify
setting
standby
during
MV output
FALT
OFF
MV1
manual
MV output MV2
ON
parameter
"MAN"
SV-13
SV-12
SV-14
SV-11 SV-15
SV-16
TM16r
time
TM16s
") of the
") is on (" "), set the pattern
") to "
") of the sys- tem menu