JUMO 706585 LOGOSCREEN fd Operating Manual - Manual (Page 99)

99
9 Parameterization
Performing fine
adjustment • Determine the lower value (as low and constant as possible) with the refer-
ence measuring device.
Example: set furnace temperature to 20 °C.
• Enter the display value as the actual start value and the reference value as
the target start value.
Example: enter 15 and 20.
• Determine the upper value (as high and constant as possible) with the refer-
ence measuring device.
Example: increase furnace temperature to 80 °C.
• Enter the display value as the actual end value and the reference value as
the target end value.
Example: enter 70 and 80.
Characteristic
line The following diagram shows the changes in the characteristic line caused by
the fine adjustment (point of intersection with the x axis as well as the gradi-
ent).
Resetting the
fine adjustment To reverse the fine adjustment the status must be set to "Off".
(1) Display values
(2) Reference values
(3) Furnace
(4) Sensor in RTD temperature probe
20°C / 80°C
20°C / 80°C
15°C / 70°C
(4)
(3)
(1)
(2)
y Display value
x Reference value
(1) Characteristic line before fine adjustment
(2) Characteristic line after fine adjustment
20 80
20
80
70
15
(2)
y
(1)
x