Digital Temperature Controllers E5AZ/E5EZ/E5CZ 19
Operation
PID Control Using Autotuning
Changing Set Values
Display
E5CZ
No. 1 display
No. 2 display
Setup procedure
Power ON
Self-tuning
Set alarm values
Start operation
Power ON
Operation level
In PID control
To cancel ST
Press key for at least one second.
Press key for less than one second.
Adjustment level
Operation level
To execute AT
Press key for less than one second.
During run
Start operation
Operation level
Check alarm type
Set the set point
Set operation status
Typical Example
AT execution
Input type 4
Initial setting level
After AT execution.
During AT execution.
PV/SP
After AT execution.
During AT execution.
Changing Parameters
E5EZ
No. 1 display
No. 2 display
E5AZ
No. 1 display
No. 2 display
indicates that there is a pa-
rameter. Keep on pressing
the mode key until the de-
sired parameter is selected.
Use the or keys
to change the set value
displayed in the setup
menu.
While AT is being
executed, SP will flash.
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
Process value/
set point
Press key for at least three
seconds.
Set input
specifications
Set control
specifications
Check control
period
Press
keys to select
input type.
Press
keys to select
PID control.
Press
keys to set
ST to OFF.
Check the
control period.
Check alarm
type.
Control period
(heat) (unit:
seconds)
Alarm 1 type 2
(upper-limit
alarm)
Recommended set-
tings: 20 seconds for
the relay output and
2 seconds for the
SSR output.
Press keys
to set set point to
"150°C."
PV/
SP 150
Execute AT
(auto-tuning).
Set to on for execut-
ing AT and to off
for stopping AT.
Make sure
that set point
is "150°C."
PV/
SP150
Make sure that
control is running.
Press
keys to set
alarm value to
"30°C."
Alarm
value 1
30
Control stops.
When set to ON,
self-tuning operates.
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