Bosch FWA 44 Series - Over view of measuring element

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22 | FWA 43xx / FWA 44xx | Measuring element
1 690 326 006 2008-8-25 Robert Bosch GmbH
en
Measuring element11.
Over view of measuring element11.1
See spare parts list FWA 43xx / 44xx.
Measuring element radio versionFig. 25:
Measuring element cable versionFig. 26:
Function
In case of FWA (radio version), the tightly fixed 1.
battery are provided using the charging socket with
8 V charging voltage.
The battery is switched-off and converted to 2.
charging operation during inserting the measuring
element (MWAS) in the charging voltage – See
functional diagram charging electronics.
The green power-LED goes out and the red charging 3.
-LED lights.
After taking out the measuring element (MWA) 4.
from charging socket, the red charging LED goes
out, charging is completed. The measuring element
(MWA) is switched-off.
By pressing the ON button of the plastic foil 5.
keyboard of MWA, it is reset and is switched-on.
The green power-LED lights.
"
Charging contact: Pin assignmentFig. 27:
Polarity: front charging contact = positiveback charging contact =
negative