HE
73
Examples:
4. – Setting the LOW value: (See below Â)
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
and
5. – Setting the HIGH value: (See below Â)
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
and
Example:
Set the external voltage or current source output for the equivalent of
50 °C temperature setpoint.
Press - to standard display.
The temperature value adjusted and set on the external voltage or
current source is displayed in line 2 of the VFD COMFORT-DISPLAY for
control purposes. (Example: SP 50.00 °C).
This EPROG input enables the use of different voltage and current
values as program parameters.
– Setting the LOW value: (See below
Â)
1. Adjust and set the lowest desired value on the voltage or
current source resp. (Example A: 1 V).
Wait appr. 30 seconds.
2. Assign a lower temperature threshold value to this adjusted
voltage/current value by pressing the appropriate buttons on
the keypad of the instrument (Example A: 20 qC) and set by
pressing
.
– Setting the Upper value: (See below
Â)
1. Adjust and set the highest desired value on the voltage or
current source resp. (Example A: 10 V).
Wait appr. 30 seconds.
2. Assign an upper temperature threshold value to this
adjusted voltage/current value by pressing the appropriate
buttons on the keypad of the instrument (Example A: 200qC)
and set by pressing .
L Example B in the diagram serves to illustrate that the end
point values are freely selectable (Ex: 8 mA and 16 mA).
20
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°C
12345678910V
246
8
10 14 18 20 mA
A
B
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