5
TABLE 1 - "PID" PARAMETERS AND RELEVANT FACTORY SETTINGS
(*)
Parameters affected by setting of decimal place (C113 configuration 01X0)
Parameter
Display
Values range
Factory setting
Remarks
Limit value for auxiliary
contact (*)
AL
from -1999 to 9999
digit
0
Do not alter
Auxiliary contact switching
differential (*)
HYST
from 0 to 999.9 digit
1
Do not alter
Proportional band (*)
PB.1
from 0.1 to 9999
digit
10
Typical value for temperature
Derivative action
dt
from 0 to 9999 sec.
80
Typical value for temperature
Integral action
rt
from 0 to 9999 sec.
350
Typical value for temperature
Dead band (*)
db
from 0 to 999.9 digit
1
Typical value
Servocontrol running time
tt
from 10 to 3000 sec.
15
Set servocontrol running time
Switch-on differential (*)
HYS1
from 0.0 to -199.9
digit
-5
Value under setpoint below which
the burner switches back on (Q13-
Q14 closes)
Lower switch-off
differential (*)
HYS2
from 0.0 to HYS3
3
Do not alter
Upper switch-off
differential (*)
HYS3
from 0.0 to 999.9
digit
5
Value over setpoint above which the
burner switches off (Q13-Q14 opens)
Modulating response
threshold
q
from 0.0 to 999.9
0
Do not alter
Weather compensation
gradient
H
from 0.0 to 4
1
Do not alter
Ambient temperature
parallel displacement (*)
P
from -90 to +90
0
Do not alter
