13
Fig 6. Code 155 Parameter setup flow chart
Press and hold SET key for 4 second until Parameter Window displays
“LCK”. Release
the SET. The display will show “0”. Use “+” and “-“ keys to adjust the display to 155
(another pass code) and press SET.
Setting the calibration offset
. The parameter window will first show “SC “for a second
and then its value, Use “+” and “-“ keys to change the setting. When finished, press the
SET again to confirm the change. For example, if the temperature is 1 °C too high during
calibration then use
“-” to set the value to -1 to offset value.
Setting the output reduction.
The parameter
window will first show “
OUt
“for a second
and then its value, Use “+” and “-“ keys to change
OUt
value to your desired limit value
and press SET.
Setting Celsius (C) or Fahrenheit (F).
When SET is pressed, the display will show “C-
F” and then its value of either “C” or “F”. Press “-” for C or “+” for F. Press SET to return to
Normal mode.
Summary: Parameter and its initial setting.
Symbol Display
Description
Range
Initial
P
p
Proportional band (in 0.1 degree)
0-600
70
I
I
Integral constant (second)
0-900
600
d
d
Derivative constant (second)
0-300
150
AT
A
Auto-tune
0=off 1=on
0
Cycle rate (second)
1-100
2
SC
SC
Off set (degree)
-20~+20
0
Out
Output power reduction (%)
1-100
100
C-F
C-F
Temperature unit
°C or °F
°F
