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ProfiLux 4 Programming Guide

EN 2017-02-06 67

7.1 Alarm Threshold

Here, you can enter a threshold of up to 65000 l/h. If the current flow exceeds this value, an

alarm is output. A threshold of 0 l/h switches off the alarm monitoring.

7.2 Calibration

Based on this value in ml/pulse, ProfiLux 4 calculates the current flow. The flow sensor used

determines this value:

Flow-Sensor model

Calibration value without bypass

2000 l/h

1.40 ml/Puls

5000 l/h

6.22 ml/Puls

9000 l/h

12.40 ml/Puls

If the flow sensor is operated in a bypass, the calibration value must be corrected

accordingly. Here is an example:

A 5000 l / h sensor is used in a bypass and only half of the water flows through the bypass.

Then enter a calibration value of 12.44 ml/pulse (double value of the standard calibration

value, a total of twice the amount of water flows).

GHL Control Center offers a tool to help you determine the correct calibration value.

7.3 Nominal Value

ProfiLux 4 can control a pump controlled via a 1-10V interface based on the measured flow (=

actual value) and a desired flow (= nominal value) so that the flow remains constant - if

technically possible.

A nominal value of up to 65000 l/h can be set.

Select a 1-10V interface which is to be used for the control of the pump (see also under

System -> 1-10 V interface). Depending on the difference between nominal value and actual

flow, the output voltage is increased or decreased.

7.4 Connected at Level-sensor

ProfiLux 4 needs to know at which level sensor input the flow sensor is connected. With Not-

enabled this flow sensor is inactive.

Other manuals for GHL ProfiLux 4

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