
1-360008/G
11
B. Temperature Controller Programs
The PID digital controller contains internal programs that effect the operation and accuracy of the
controller and alarm system. A few of the internal programs may be altered by the operator for
specific requirements and are noted below by an asterisk (*).
The remaining program functions
must not be altered without consulting Helmer - doing so could effect the operation of the unit
and the manufacturer's warranty.
The following is a summary of the controller's internal programs
with their description and proper value settings:
Main Program
Program
Program
Program
Titles and Access Description
Display
Value
1. Operating Set Temp.
Press SET key
Chamber Set Temperature
*36.5
2. Operations Menu
Press UP and DOWN
keys together for 3
seconds
Auto-tune
Low Alarm Deviation
High Alarm Deviation
Aut
ALO
Ah1
no
*OFF
*37.6
PID Menu
Pid
no
Configuration Menu
CnFg
no
3. PID Menu
Change the "PId"
Proportional Band
Pb h
2.0
Menu setting to "yes"
Cycle Time
Ct h
0.5
Integral Function
It
30.00
Derivative Function
dE
0.40
Calibration Offset
CAL
*varies
4. Configuration Menu
Change the "CnFg"
Input Type
In
rt.d
Menu to "yes"
Celsius
C_F
º
C
Temperature Low Limit
rL
20.0
Temperature High Limit
rh
45.0
Output 1 Function
Ot1 hEAt
Output 2 Function
Ot2 ALr7
Display Default
dISP
Ac
Alarm Type
ALty
Prno
Alarm Hysteresis
AhyS
0.1
Alarm Latch
LAt
no
Alarm Silencing
SIL
no
Failure Mode
FAIL
bPLS
Set Point Lockout
SLOC
*no
Controller Lockout Tag
tAg
_C_A
C. Controller Lockout System