JULABO SC 10000w Professional Series Recirculating Coolers - Manual (Page 38)

Menu functions
38
Setting range: 0 ... 999
Lead time >Tv< (Differential component)
The differential component reduces the control settling time. An
insufficient lead time will prolong the time required to compensate for
disturbance effects and cause high overshooting during run-up. An
excessive lead time could cause instabilities (oscillations) to occur.
1. Press the button until the desired submenu is displayed -
XP INT, TN INT, TV INT.
2. Set value:
Use the cursor keys to move left or right on the display until
the numeral you wish to change blinks.
Use the increase/decrease arrows
to change the selected
numeral (-, 0, 1, 2, 3, ... 9).
3.
Press enter to store the value.
Continue: Press / or
Optimization instructions for the PID control parameters:
optimum setting
°C
t
The heat-up curve reveals inappropriate control
settings.
Inappropriate settings may produce the following heat-up curves:
Xp too low
°C
t
Tv/Tn too low
°C
t
Xp too high or Tv too high
°C
t
Tv/Tn too high or Xp too high
°C
t