20
HE 5411 Operating Instructions
#340411 | version 1.7
Symbols/Displays
Meaning
UP key: increase the displayed value
DOWN key: decrease the displayed value
Three-coloured Limit LED with colour changes to show status.
Display:
• Normal operation: current differential pressure
• Parameter setting mode: Limit value set
• Switch between the two with UP / DOWN keys
A
The slide switch lets you switch the analogue output between
0…20 mA (left)
4…20 mA (right)
B
LEDs (from left to right)
Flashes continuously
(o
—o—o—o)
when the differential pressure
is in the range of ± 10 % from the measuring range end value to
the zero point.
Flashes continuously
(o-o
—o-o—o-o),
when an offset has been
programmed.
Lights up as soon as the supply voltage is present
Lights up when the differential pressure measured is ≥ the limit
value set
Flashes when the device is in test mode
C
TEST button for zeroing / Test mode
D
Rotary coding switch, 16 level
s (0…F) to set the measuring
range.
