Chapter 6 Parametrization
20
Operating manual HE 5422 MR
Version 1.2
6
Parametrization
6.1
Parametrization using device keyboard
1.
Press the PARA button to change the system parameters.
A flashing LED indicates the current value to be changed.
2.
Select the desired parameter using the UP / DOWN buttons.
The respectively current value is indicated on the display.
3.
Press the ENTER button to start changing the value of the parameter.
The first digit to be changed starts flashing in the display.
4.
Press the UP / DOWN buttons to select or change the value of the digit.
5.
Press the ENTER button to accept the current value.
The next digit will subsequently flash in the display.
6.
Repeat steps 4 – 5 until the last digit has been changed.
The next parameter is offered.
7.
If necessary, change the next parameter.
8.
The parametrization mode is exited by pressing the PARA button again.
Main parameter
Setting area
Factory setting
ΔP-Filter [s]
Filter constant for the current dif-
ferential pressure
OFF, 0.2 – 60.0 s
2
Post cleaning time [min]
The cleaning relay is closed for
the parametrized time for post
cleaning purposes.
OFF, 1 – 999 min
10 min
Blowing time [s]
During the blowing time, the com-
pressed air is blown into the
measuring lines.
1 – 999 s
10 s
Recovery time [s]
Delay used to restore the pres-
sure balance after the blowing
time.
1 – 999 s
50 s
Interval [min]
Waiting time until the next meas-
uring line cleaning cycle.
0 – 999 min
60 min