Operation
Ex p control unit
Motor Purge Controller
Page 50 of 96
01-37A2-7D0003_Operating instructions_MPC_20210923_0_en.docx
Rev. 0
7.5
Entering parameters
Changing parameters in the web interface must be carried out in a certain order:
Procedure for changing parameters:
Activate parameter switch.
Log into the web interface.
If you are already logged in, the web interface requires you to log in again.
Select the desired parameter.
e.g. po - operating pressure 2.5 mbar (250 Pa)
Enter parameter.
Enter the value 250
Confirm with the “Enter” key.
The following window opens. This is to confirm and check the changed
parameter value.
7.6
LED displays
LED
Colour
Function
p1
Green
Minimum pressure
Lights up when the minimum pressure is
exceeded
p2
Yellow
Pre-alarm
Lights up when the pressure falls below the
set value
p3
Green
Flushing pressure
Lights up during the purging phase and when
the set point is exceeded
p4
Red
Maximum pressure
Lights up when maximum pressure p4 or p5 is
exceeded
Operate
Green
Release / Purging
Flashes during purging and lights up after
purging when enabled
Status
Green
Supply / Bypass
Lights up when supply voltage is applied and
flashes when bypass is activated
