JULABO LH 85 High Dynamic Temperature System User Manual

Page 56

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Menu functions

56

8.6. Limits


The limits IntMax and IntMin are only valid under external control
(see 7.5.

Internal / external control). They restrict the

temperature of the internal bath to the desired
maximum/minimum, also if the controller would require a
higher/lower temperature for the external system. As a result the
external setpoint may thus not be reached.

When operating the temperature system under external control,
band limiting is active. The preset value determines the maximum
temperature difference between the internal bath and the external
load. This adjustment possibility prevents sensitive equipment and
temperature devices from damage.

Heating and cooling power of the instrument are adjustable.
100 % corresponds to the values in the technical specifications of
the equipment.

 Select the submenu "Limits" with enter

.

 Select the desired option with the up/down cursor keys

.

A flashing digit indicates that a value needs to be entered.
IntMax

see temperature range LHxx

IntMin

see temperature range LHxx

Band

0 to 200 °C

HeatingMax

0 to 100 % in steps of 1 %

CoolingMax

0 to 100 % in steps of 1 %

 Set the newly entered value by pressing enter

.

 Return to the previous menu level by pressing escape

.

8.7. Interface

The interface parameters are set by selecting the submenu
"Interface" on the temperature system. Normally, this is a one-
time-only adjustment.
 Press enter

to select the submenu "Interface".

 Select the desired option with the up/down cursor keys

Enter the desired value for the flashing digit.


Type

RS232 / RS485

Baudrate

4800/9600

Parity

none/even/odd

Handshake

software handshake/hardware handshake


Address

0 to 127

 Press the P-key

to select the desired parameter and set

with enter

.

 Return to the previous menu level with escape

.

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