fafnir CONDURIX DU, Техническая документация инструкция

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Page 9/ 20 Parametrisation
6 Parametrisation
6.1 Measuring span at the level sensor
To enable configuration of the 4 mA and 20 mA points at the CONDURIX level sensor,
two buttons and an LED (light emitting diode) are provided near the terminals inside the
probe head.
By default, the level sensor is set to maximum span with 4 mA at the probe base and
20 mA at the sensor head. The measuring span is configurable for adaptation to the tank
concerned. However, a minimum distance of 10 mm between both points must be o b-
served. If this minimum distance is not observed, the display direction of the level sensor
will be reversed automatically. The measured value would then be inverted.
Adjustment of the measuring span (see Figure 5):
Figure 5 : Parametrisation measuring span
(1) Unscrew cap (1) using an open - ended spanner (SW 19).
(2a) Mounting from the top: Press and hold the 4 mA button (2) for at least
3 seconds.
(2b) Mounting from the bottom: Press and hold the 20 mA button (3) for at least
3 seconds.
The level sensor is now in configuration mode. Green LED (4) “Cal/Err” flashes. The cu r-
rent consumption of the level sensor is 12 mA. If no button is pressed again, the level
sensor remains in configuration mode for 20 seconds before reverting to measuring
mode and discarding any changes.