Dinel ULM-53 series Manuale di istruzioni - Pagina 11
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9. s
-
ET
UP ElEmENTs
Button "DOWN"
• Set-up mode access
• Direct set-up to value 4 mA (0 V)
• Decreasing of values by predefined pitch
Button "UP"
• Set-up mode access
• Direct set-up to value 20 mA (10 V)
• Increasing of values by predefined pitch
LED indicator "STATE"
• Signalling of measuring mode
LED indicator "MENU"
• Signalling of set-up mode access
10. s
TaTUs aNd failUrE sigNalizaTiON
LED
Color
"STATE"
Green
„MENU"
Yellow
© Dinel, s.r.o.
ULM–53
Function
Slow flashing (1 ... 2 s, depends on the measuring interval) – reception of
reflected signal (echo) from the measured level. Correct function.
Fast blinks – the measured value is in "dead zone" of the level meter, or the
ultrasonic transmitter is polluted.
Dark – no echo reflection. Wrong medium type or incorrect installation
(malfunction).
Slow blinks – signalization setting limit 4 mA (0 V).
Fast blinks – signalization setting limit 20 mA (10 V).
Three short blinks – signalization factory default setting
Connector
Safety screw
Ultrasonic transmitter
Fig. 17: Full view of ultrasonic level meter
Button "DOWN"
Button "UP"
LED indicator "MENU"
LED indicator "STATE"
11