Ex p Control unit
SILAS
pz
Operation
Rev. 0
A1-37S2-7D0001_pz_Manual_Exp-Control-Unit_20210923_0_en.docx
Page 51 of 88
Input of parameters
Changing parameters in the Web interface must be carried out in a certain
sequence:
Procedure for changing parameters:
Activate the parameter setting switch.
Logging in to the web interface
If you are already logged in, the web interface requires a new log-in.
Select desired parameter
e.g. po - operating pressure 2.5 mbar (250 Pa)
Enter parameters
Enter value 250
Press the "Enter" key to confirm.
The following window opens. This is to confirm and check the changed
parameter value.
LED Indicators
LED
Color
Function
p1
Green
Minimum pressure
Lights up when the minimum pressure is
exceeded
p2
Yellow
Pre alarm
Lights up when the value falls below the set
value
p3
Green
Purge pressure
Lights up during rinse phase and exceeds set
point value
p4
Red
Maximum pressure
Lights up when the maximum pressure is
exceeded p4 or p5
Operate
Green
Release / purge process
Flashing during purge and on release after
flushing lit
Status
Green
Power Supply / Bypass
Lights up when supply voltage is applied and
flashes when bypass is activated
