Wika FLM Manuel d'utilisateur Page 18
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Noté. / 5. Basé sur avis des utilisateurs
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18
WIKA operating instructions level sensor model FFG
13445627.01 12/2010 GB/D/F
The LED display will disappear for 5 seconds, with the current consump-
tion of the level sensor being 20 mA, and thereafter again 12 mA. The
level sensor will remain in the adjusting mode for another 15 seconds
before changing back to the gauging mode.
The new adjustment will not be adopted until it automati-
cally changes from the adjusting mode into the measuring
mode (with LED disappearing). For this reason, the level
sensor should not be cut o from the current supply before.
Current Consumption in the error mode
If the level sensor is due to a failure unable to determine a proper oat
position, i.e. a correct lling level, it will change to an error mode after a
short period of time. The current consumption in the error mode has been
adjusted, ex factory, to 21.5 mA although it can be switched to 3.6 mA,
also.
For adjusting the current consumption in the error mode
(see Fig. 5), proceed as follows
■
unscrew lid (1) of probe head with open-end wrench hold both "4 mA"
(2) and "20 mA" keys (3) simultaneously in pressed for a period of
time of no less than 3 seconds. The green LED (4) "Cal/Err" is ashing
fast, with the current consumption being 16 mA. LED, after 5 seconds,
will cease to ash, displaying, for 2.5 seconds, the set error current
consumption. Once the LED is permanently illuminated, I error =
21.5 mA; once it extinguishes I error = 3.6 mA. With the key not being
pressed down again, the level sensor will remain in the error mode
for another 2.5 seconds before changing back into the gauging mode
without modifying the adjustment. For setting a current consumption of
3.6 mA during the 10-second dwelling time in the error mode
■
briey press down the key "4 mA" key (2) (for 0.1 ... 2 seconds). For
adjusting a current consumption of 21.5 mA during the 10-second
dwelling time in the error mode
■
briey press down the "20 mA" key (3) (for 0.1 ... 2 seconds).
The new adjustment will not be adopted by the level sensor
until it automatically changes from the adjusting mode to the
gauging mode (with LED disappearing). The level sensor
should, therefore, not be cut o from the power supply before.
5. Electrical connection
- Operating instructions 1
- Betriebsanleitung 1
- Model FFG Page 3-22 2
- Typ FFG Seite 23-42 2
- Contents 3
- 1. Safety information 4
- Fig. 2: Functional principle 8
- 4. Assembly 10
- 4. Montage 12
- 5. Electrical connection 13
- Adjusting measures 16
- 13445627.01 12/2010 GB/D/F 19
- 8. Technical specications 20
- 9. Float selection 22
- 1. Sicherheitshinweise 24
- Abb. 2: Funktionsprinzip 28
- 5. Elektrischer Anschluss 33
- Justierarbeiten 36
- 6. Wartung / 7. Fehlersuche 39
- 8. Technische Daten 40
- 9. Schwimmerauswahl 42
- WIKA Global 43
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