Instruction Manual

5. Diagnostics and error handling
5−8
Festo P.BE−CPX−SYS−EN en 0902e
M (modify)  parametrising modified or forcing active
LED (yellow) Sequence Status Meaning / error handling
LED is off
ON
OFF
 System Start with de
fault parametrising (fac
tory setting) and current
CPX equipment status is
set; external parametri
sing is possible (pre−set
ting)
1)
No
LED flashes
ON
OFF
Force is active
2)
The Force function is enabled (see sy
stem parameter Force mode; function
no. 4402).
LED lights up
ON
OFF
 System start with saved
parametrising and saved
CPX equipment status is
set; parameters and CPX
equipment status are
saved remanently; exter
nal parametrising is
blocked
1) 2)
Be careful when replacing CPX valve
terminals with saved parametrising.
With these CPX valve terminals, para
metrising is not carried out automati
cally by the higher−order PLC/IPC
when the terminal is replaced. In
these cases check before replacing to
see which settings are required and, if
necessary, carry out these settings.
1) With CPX−FEC in the operating modes Stand Alone and Remote Controller (control function active)
without meaning.
2) The display of the Force function (LED flashes) has precedence over the display of the setting for
System start (LED lights up).