E5CNH E5AN-H E5EN-H Digital Controllers User's Manual - OMRON

Initial Setting Examples Section 3-1
Example 2
Input type: 9 (T thermocouple,
−200.0°C to 400.0°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
Initial Setting
Level
Adjustment
Level
(When PID
control is
selected)
Operation
Level
Power ON
Set input
specifications
Set control
specifications
Set alarm type
AT execution
Set alarm value
Start operation
PV/SP
after AT is
stopped
C
25.0
150.0
C
26.0
150.0
The set point
flashes during
auto-tuning (AT)
execution.
After AT is
stopped
at
off
During AT
execution
at
at-1
Operation Level
Initial Setting
Level
Use the U and
D keys to
select the input
type.
Power ON
C
C
C
25.0
0.0
in-t
9
M
cntl
pid
Press the O key
(for less than 1 s).
To execute
100%AT: at-2
To execute at 40%AT: at-1
off To cancel
AT: off
Press the O key
(for less than 1 s).
25.0
150.0
M
r-s
run
M
al-1
30.0
M
PV/SP
Press the O key for
at least 3 s.
Control stops.
Input Type:
Use the U and
D keys to select
PID control.
ON/OFF
control:
PID
onof
pid
M control:
Use the U and
D keys to set ST
to OFF.
st
off
M
To execute on
ST:
To cancel off
ST:
When ON, self-tuning
operates.
Check the
control period.
Control Period
cp (Heat) 20
20 (Unit: Seconds)
M
It is recommended that 20 seconds
be set for a relay output and 2
seconds for an SSR voltage output.
Check the
alarm type. alt1 Alarm 1 Type:
2
M
2
Operation Level
Press the O key for
at least 1 s.
Control starts.
Use the U and
D keys to set
the SP to 150°C.
C
25.0 PV/SP:
150.0
150.0
Adjustment
Level
Execute AT.
Operation Level
Confirm that
the set point
is 150°C.
Confirm that
control is
running.
Use the U and
D keys to set
the alarm value
to 30°C.
Start operation.
PV/SP
Running
Stopped
Alarm
Value 1
9
run
stop
30.0
To execute 100% AT (auto-tuning),
select at-2. To execute 40% AT,
select at-1. To cancel AT, select
off: (AT cancel).
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