User Manual
     IHC-200 User Manual 
Inkbird Tech. Co., Ltd.   www.ink-bird.com 
8 
displays “AT” alternately (Character:    ), the instrument is in self-adjusting status. In 
this status, the instrument will execute position adjustment by 2 - 5 times oscillations, 
then  it  will  turn out  PID  control parameter  automatically  (M50,  P  and  T  parameter). 
The  instrument  will  return  to  PID  automatic  control  status  at  the  end  of  self-
adjustment.  If  user  want  to  quit  in  the  course  of  self-adjusting,  keep  pressing “《” 
key for more than 2S, till “AT” character in the SV screen disappears. 
  Attention:  If  user  wants  to  use  self-adjusting  function  again  after  first  using,  user 
needs  to  set  “CtrL”  to  be  “2”  to  start  it  (more  information  please  check  “Parameter 
Setting and Defining”). The parameter values of adjusting control are not the same at 
the  different  setting  temperatures,  so  please  execute  self-adjustment  at  the  most 
common  setting  value  of  the  system.  If  the  setting  values  change  often,  user  can 
modulate with the median. 
7. Parameter Setting and Defining 
After power-on, keep pressing the “SET” key for more than 2S to enter setting mode. User 
can use “︽”Key(or“︾”Key)to  set  the  value.  After  finishing,  press  “SET” key to  confirm 
and enter next function setting. PV/SV screen will be in normal display after setting. 
Note:   If there are modified operations in setting mode, the instrument will save current 
value  automatically  after  no  operation  for  more  than    10  seconds,  and  return  to  normal 
status. 
Function Setting 
Description 
Setting Range 
Unit 
Remarks 
Factory 
Default 
Code 
Name 
HIAL 
Upper Alarm Limit 
-1999~+9999 
1℃ 
9999 
LoAL 
Lower Alarm Limit 
-1999~+9999 
1℃ 
-1999 
dHAL 
Maximum 
Deviation Alarm 
0~9999 
1℃ 
9999 
dLAL 
Minimum Deviation 
Alarm 
0~9999 
1℃ 
9999 
dF 
Hysteresis 
0~200.0 
0.1℃ 
0.3 
CtrL 
Control Output 
0:ON/OFF 
3 
1/3:PID 
2: Self-adjustment 
M50 
Integral 
0~9999 
0.1℃ 
0: Cancel 
1000 
P 
Differential 
0~9999 
0.01S/℃ 
500 
t 
Hysteresis Time 
1~9999 
S 
120 
Ctl 
Control Period 
1~120 
S 
4 
Sn 
Input Sensor 
0~42 
Table 1 
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