Omron E5GN Instructions Manual page 10

E5GN
2. PID Control Using Auto-tuning
•
Changing Parameters
indicates that there is a parameter. Keep
on pressing the mode key until the de-
sired parameter is selected.
•
Changing Set Values
Use the or
change the set value displayed
in the setup menu.
Display
E5CN E5GN
No. 1 display
No. 2 display
Setup procedure
keys to
No. 1 display
No. 2 display
PV/SP
After AT execution.
During AT execution.
While AT is being
executed, SP will flash.
After AT execution.
During AT execution.
Typical Example
Input type: 4 T thermocouple -200 to 400°C
Control method: PID control
ST (self-tuning): OFF
Calculate PID constants by AT (auto-tuning).
Alarm type: 2 upper limit
Alarm value 1: 30°C (For setting deviation)
Set point: 150°C
Power ON
Operation level
Initial setting level
Press
Set input
keys to select
specifications
input type.
Press
Set control
keys to select
specifications
PID control.
Press
Self-tuning
keys to set ST
to OFF.
Check the
Check control period
control period.
Check alarm
Check alarm type type.
Operation level
Press
Set the set point
to set set point to
"150
C."
Adjustment level
Execute AT
AT execution
(auto-tuning).
Operation level
Make sure that
set point is
"150
C."
Make sure that
Set operation status
control is running.
Press
Set alarm values
keys to set
alarm value to
"30
C."
Start program execution
Start operation
Power ON
Process value/
set point
Press key for at least three
seconds. Control stops.
Input type
In PID control
To cancel ST
Control period When set to ON,
(heat) (unit: self-tuning operates.
seconds) Recommended set-
tings: 20 seconds for
the relay output and
Alarm 1 type 
2 seconds for the
(upper-limit
SSR output.
alarm)
Press key for at least one second.
keys
Process value/
set point 

Press key for less than one second.
Set to  for execut-
To execute AT
ing AT and to 
for stopping AT.
Press key for less than one second.
Process value/
set point 

During run
Alarm
value 1


E5GN