26
Initial Setting Examples Section 3-1
Typical example 2
Setup procedure
Power ON
Initial setting level
Set alarm type
AT execution
Set alarm values
Adjustment level
Operation level
(when PID
control is
selected)
Start operation
Power ON
Process value/
set point
Check alarm
type.
Start program execution
Input type: 9 T thermocouple −200 to 400°C
Control method: PID control
Calculate PID constants by AT (auto-tuning)
execution.
Alarm type: 2 upper limit
Alarm value 1: 30°C (deviation)
Set point: 150°C
Set input
specifications
Set control
specifications
While AT is being
executed, SP will flash
After AT execution
Press DU keys
to set alarm value
to "30°C".
Make sure that
control is
running.
Alarm value 1 30
30
al-1
During run
During stop
run
stop
run
r-5
Process value/
set point 150
150
25
Make sure
that set point
is "150°C".
Execute AT
(auto-tuning).
To execute AT
To cancel AT
on
off
off
at
150
25
Press DU keys
to set point to
"150°C".
Process value/
set point
150
Alarm 1 type
2
2
alt1
Check the
control period.
Press DU keys
to set ST to OFF.
Control period
(heat) (unit:
seconds)
20
20
cp
To execute ST
To cancel ST
on
off
off
st
Press DU keys
to set PID control.
In ON/OFF
control
In PID control
onoff
pid
pid
cntl
Press DU keys
to select input
type.
Input type
9
Press key for at
least three seconds.
Control stops.
9
in-t
0
25
Operation level
Initial setting level
Operation level
Adjustment level
Operation level
During AT execution
During AT execution
After AT execution
PV/SP
Press key for
less than 1 second.
Press key for
less than 1 second.
Press key for at
least one second.
in-t
9
cntl
pid
st
off
cp
20
25
150
r-5
run
al-1
30
alt1
2
25
150
C
at
off
25
0
C
25
150
C
at
off
at
on
26
150
C