Operating
49
HAAKE Phoenix II P1
Version 3.07
When “fast” is set, the properties of the external regulator
behaviour can be controlled. Raising the figure results in a
slower reaction to malfunctions, lowering it results in quicker
reactions.
The setting „medium“ results in moderate overswinging and
medium control speeds. The level of overswinging is depen-
dent on a number of factors such as the volume of the exter-
nal system. the heat transfer liquid used, hose length, the
working temperature and many others. No general state-
ments can thus be made at this point.
14.5.3 Differential control
In Follow--up control mode, the value measured at the exter-
nal sensor is taken as the new set value. This function is only
displayed if ”External control” is deactivated.
To activate this special function, select
„Settings/Control/Diff. cont „On“
With the „
∆
T“ function a correction value with plus minus
signs for setting set values via the external sensor can be
set. Example: The bath temperature should always be
1.51
°
C above the temperature measured at the external
sensor. For this, call up „
∆
T“ and set a value of + 001.51
°
C.
After activating the differential control the measured external
temperature plus 1.51
°
C is then used as new set tempera-
ture for the circulator bath.
The follower control can be activated only with attached
Pt100--Sensor. It is closed, if a temperature specification via
I/O port is available.
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