Omron E5CN User Manual page 57

Initial Setting Examples
Example 2
Input type: 9 (T thermocouple,
200 C to 400 C)
Control method: PID control
PID constants found using auto-
tuning (AT).
Alarm type: 2 upper limit
Alarm value 1: 30 C
Set point: 150 C
Setup Procedure
Power ON
Initial Setting
Level
Set input
specifications
Set control
specifications
Set alarm type
Adjustment
Level
AT execution
(When PID
control is
selected)
Operation
Level
Set alarm value
Start operation
Operation Level
Initial Setting
Level
Use the U and
D keys to
select the input
type.
Use the U and
D keys to select
PID control.
Use the U and
D keys to set ST
to OFF.
Check the
control period.
Check the
alarm type.
PV/SP
after AT is
Operation Level
stopped
C
25
Use the U and
D keys to set
150
the SP to 150 C.
C
26
150
Adjustment
The set point
Level
flashes during
auto-tuning (AT)
Execute AT.
execution.
After AT is
stopped
at
Operation Level
off
During AT
Confirm that
execution
the set point
at
is 150 C.
on
Confirm that
control is
running.
Use the U and
D keys to set
the alarm value
to 30 C.
Power ON
C 25
PV/SP
0
Press the O key for
at least 3 s.
Control stops.
in-t
Input type:
9
9
M
cntl
ON/OFF For PID, set pid.
onof
control:
pid
pid
PID
M control:
When ON, self-tuning
To execute on
st
ST: operates.
off To cancel
off
ST:
M
cp Control period It is recommended that 20 seconds
20
(heat)
be set for a relay output and 2
20
(Unit: Seconds)
seconds for an SSR voltage output.
M
alt1
2
Alarm 1 type:
2
M
Press the O key for
at least 1 s.
Control starts.
C 25
PV/SP:
150
150
Press the O key
(for less than 1 s).
To execute on
To execute AT (auto-tuning), select
at
AT:
on: (AT execute), and to cancel AT,
To cancel
off
off
select off: (AT cancel).
AT:
Press the O key
(for less than 1 s).
C
25
PV/SP
150
M
r-s
Running
run
stop
run Stopped
M
C
al-1
Alarm
30
30
value 1
M
Start operation.
Section 3-1
35