Omron E5ZN - Page 131

117
Initial Setup Examples Section 6-4
Typical Example 2
Input type: 4 (T thermocouple −200 to 400°C)
Control method: PID control
Calculate PID constants by autotuning.
Alarm type: 2 (upper limit)
Alarm value 1: 30
°C
SP: 150
°C
E5ZN unit number: 1
Channel: 2
Setup procedure
Power ON
Set unit number
Set channel No.
Initial setting level
Set input specifications
Set control specifications
method
Set alarm type
Operation level
Set alarm values
Adjustment level
AT execution
(when PID
control is
selected)
Start operation
Power ON
Operation level
PV/SP
Use the UNIT Key to
match the unit number
Use the CH Key to
match the channel No.
Press Level Key for at least
three seconds.
Control stops.
Initial setting level
Use the Up
and Down
Keys to set the
input type to 4.
Input type
Use the Up and
Down Keys to
check that the
mode is PID
control.
In ON/OFF
control
In PID
control
Set pid for
PID control.
Check the
control
period.
Heating control
period (unit:
seconds)
The recommended
setting for relay
operation is 20 s and
for voltage/ transistor
output, 2 s.
Check alarm
type.
Alarm 1 type
Press Level Key for at
least one second.
Operation level
Press Up nd
Down Keys to
set the SP to
150
°C.
PV/SP
Press Up and
Down Keys to
set alarm
value to 30
°C.
Press Level Key for
less than 1 second.
Alarm value 1
Use the Up
and Down
Keys to select
“RUN.”
During run
During stop
Adjustment level
Execute
autotuning.
To execute AT
To c a n c e l AT
Press Level Key for
less than 1 second.
Select “ON:
execute AT” to
execute AT and
“OFF: stop AT” to
stop AT.
Start control after AT
completed.
PV/SP
After AT execution
During AT execution
While AT is being
executed, SP will flash
After AT execution
During AT execution
at
on
01
°c
at
off
25
100
°c
25
100
°c
25
0
11
°c
25
0
12
°c
25
0
12
in-t
4
4
onof
pid
12
cntl
pid
12
cp
2
2
12
alt1
2
2
12
°c
25
150
150
12
°c
al-1
30
30
12
r-5
run
run
stop
12
at
off
on
off