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HE 5422 Operating Instructions
# 342338 | Version 1.3
The following parameters can only be changed with the "EasyTool Controls 4.0" application:
Parameter
Adjustment range
Factory Setting
Unit
Password
Protection against unauthorized
parameter changes.
0…9999
0001
Pressure unit
Defines the displayed unit of
pressure.
mbar, pascal
mbar
Precoating Offset
The precoating offset
increases the start threshold
of the cleaning (upper
threshold).
With an offset of 0, the
precoating function is
deactivated.
After reaching the first cleaning
threshold (increased by the
precoating), the precoating is
automatically deactivated.
0.0 (OFF)…Sensor max.
0.0 ( OFF)
mbar
Hold time overrun
Time for which the differential
pressure is still held after the hold
signal disappears.
0…999
5
s
Maximum hold time
Maximum time for which the
differential pressure is recorded.
0…999
30
s
Δp working range [%]
Defines the working range below the
upper threshold as a % of the
measuring range.
As an alternative to the lower
threshold.
1…100
10
%
High alarm delay [s]
Delay after the high alarm threshold
is exceeded until the high alarm relay
is switched.
0.1…3600.0
1.0
s
Low alarm delay [s]
Delay after falling below the
low alarm threshold until the
low alarm relay is switched.
The relay is not switched if
the post-cleaning threshold is
undershot within the delay.
1…3600
300
s
Low alarm switching mode
The switching behaviour of
the low alarm relay
(changeover contact)
Low, High
Low
BG cleaning interval [h]
Cleaning monitoring time.
If there is no cleaning within
the monitoring time, a
background cleaning process
with the configured duration
is started.
0…99.9
0
h
