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JULABO SC 2500w Professional Series Recirculating Coolers User Manual

Page 60

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Menu functions

60

XXXXX

MENU

CONFIG

1.

XXXXX

SETP

EPROG

2.

XXXXX

ACTVAR

EPROG

E-PROG - input

Setting needs to be carried out, if
1. setpoint programming is to be made via an external voltage or

current source or programmer.
For this, in the menu > MENU / CONFIG < first set the menu item
> SETP < to >EPROG<.

2. the heater variable should be controlled via an external control

pulse.
For this, in the menu > MENU / CONFIG < set the menu item
>ACTVAR< to >EPROG<.

3. the signal of an external flow meter should be registered.

-OFF-

S XX.XX
F X.XL

>FLOWRAT<
Indication on display

The E-Prog input can only be used either under menu item > SETP
< or under menu item > ACTVAR <.
If the input is neither occupied by > SETP < or > ACTVAR <, the
signal of a flow meter can be connected.

First set > MENU / CONFIG <, then > MENU / ANALOG <.

XXXXX

MENU
ANALOG

Example:

2.

XXXXX

EPROG

VOLTAGE

3.

XXXXX

EPROG U

SETP

4

.

XXXXX

UW °C

20.00

5.

XXXXX

OW °C

300.00

1.

Connect the external voltage or current source or programmer to
socket (12) REG+E-PROG of the circulator.

2.

Selecting the signal:
The programmer (E-PROG) input of the circulator can be matched
to the output signal of the external voltage or current source.
VOLTAGE

voltage

input

=

U

CURRENT

current

input

=

I

3.

Define the input variable:
SETP

Setpoint programmed by external voltage or current

FLOWRAT

Signal of an external flow sensor

ACTVAR

Manipulated (ACTuated) variable for the heater

with an external control pulse

4.

UW – Setting the LOW value:

(See below

)

First adjust and set the lowest voltage or current on the external
voltage or current source (e.g. 0 V or 0 mA).
Then after approx. 30 secs enter the corresponding temperature
value (e.g. 20.00°C).on the circulator by pressing the appropriate
buttons
(

) on the keypad and press enter

to set.

5.

OW – Setting the HIGH value

: (See below

)

First adjust and set the highest voltage or current on the external
voltage or current source (e.g. 10 V or 20 mA).
Then after approx. 30 secs enter the corresponding temperature
value (e.g. 300 °C).on the circulator by pressing the appropriate
buttons (

) on the keypad and press enter

to set.

XXXXX

SP 50.00

I xx.xx

Example:

SP 50.00 °C

 Set the external voltage or current source output for the equivalent

of 50 °C temperature setpoint.

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