Drawell International Technology Limited
Web : www.drawell.com.cn
Tel: +86-023-63268643
Email : [email protected]
and the heating is operated by the position control.When self-tuning finished, the
instrument returns to the normal control state. If enters the setting state in the self-tuning
process, it will exit from the self-tuning program.
3)In the running or stop state, shortly press the “OK”key to enter the temperature setting
state, the upper row displays “SP”, the lower row displays the setting temperature, then
press the “OK”key again, the upper row displays the “ST” and the lower row displays the
setting time.
4)Long press “OK”key for 5 seconds to enter the setting state of other parameters. The
upper row will display the prompt and the lower row will display the parameter values
(see the attached table for details of each parameter). After setting the parameter, long
press “OK”key for 5 seconds to exit the setting state. In each setting state, you can
quickly modify each parameter by pressing the
key,
key and the
key. After
modification, must press “OK” key to confirm, otherwise it is invalid.
Parameter specifications
:
Symbol
Value
Description
Factory set
value
SP
SPL
～
SPH
Temp. setting value
random
ST
0
～
9999 min
Time setting value
random
Long press the OK key
Lck
0
～
9999
LOCK
——
SC
-20.0
～
+20.0
Correction for measured
value
——
Lck is××××
（
the password can be obtained from the manufacturer
）
P
0.1
～
20.0
Output proportional
——
I
1
～
400
Integral Time
——
d
0
～
100
Derivative time
——
CT
60
～
600
Compressor start delay
——
COOL
SPL~50.0
Upper temperature limit for
compressor normally open
0
℃
AL
1.0
～
5.0
Upper deviation alarm
——
PT
1
～
60 min
Print interval
——
