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7.5 Selecting parameters
T
he front panel layout shows the following 4 operating keys:
Press shortly and following is displayed
SP.1
- Temperature set point in
C,
tU.n
- Tu
ning the bath (“Atune”),
Pb
- Changing the tuning (PID) parameters "P"value
ti
- Changing the tuning (PID) parameters "I"value
td
- Changing the tuning (PID) parameters "D"value
OFSt
- Change temperature readout offset (± 5°C)
Each time is pressed another option is displayed.
Up and Down keys allow changing the listed value. All
changed values, like set point and PID parameters, will be
kept in memory when pressing the page key to leave the
menu. After switching off the power supply, changed values
are kept in memory.
SP.1 - Set point adjust. Press page key to
confirm setting when altered.
tU.n - Auto tuning PID parameters, set on or off.
Off is default value here.
On, when selecting parameter 2nd time,
On.A is played. This indicates adaptive tune.
Bath is adapting PID setting in background
operation. When in On.A mode PID values
can not be set manually anymore.
pb
- Changing the tuning (PID) parameters.
'Proportional band value. Default value is 2,
range 1 .. 100. (Proportional band equals
1/proportional value). Press page key to
confirm setting when altered.
ti
- Changing the tuning (PID) parameters
'Integrator' value. Default value is 200. Range
1 .. 1200. Default value is 200. Press page
key to confirm setting when altered.
td
- Changing the tuning (PID) parameters
'Differentiator' value. Default value is 10.
Range 1 .. 600. Default value is 40. Press
page key to confirm setting when altered.
OFST - Set offset. The offset value is added to the
displayed bath temperature. I.e. when the
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LIST
DOWN
UP
Sequence
