Internal / external control – JULABO HT30-M1 High Temperature Circulator User Manual

Page 36

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Manual operation

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7.5. Internal / external control

EXT

The High Temperature Circulator offers the possibility of internal
temperature control in a primary bath vessel or external control directly in
an external system.

Setup for external control:

Connect a Pt100 sensor to the socket „EXT“ of the programmable
controller, if necessary perform a calibration using the „ATC Ext:“ function
(see 8.8.

Sensors) and then securely fix the sensor in the external

system.

Setp.1: 37.00°C
ExtAct: xxxxxx°C
Power: x %
Control: extern

Setp.: 230.00°C
ExtAct: xxxxxx°C
Power: x %
Control: intern

Switching from internal to external control:

• Press the key

in operating state “OFF“ to select the control

type.


• The DIALOG-DISPLAY (LCD) indicates the effective control type.

Setp.: 37.00°C
IntAct: 26.05°C
Power: x %
Control: xxxxxx

Setp.: 37.00°C
IntAct: 25.22°C
Power: x %
Control: xxxxxx

• Press the start/stop key

.

Temperature indication:

• Both actual temperatures are indicated at the same time:

1) on the MULTI-DISPLAY (LED)
2) on the DIALOG-DISPLAY (LCD).

• Press the key

to swap the values on the displays.

The indicator light „Ext“ refers to the indication on the MULTI-
DISPLAY (LED).



Caution:

Place the external sensor into the bath medium and securely fix the sensor.

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