Pb340_01d_oi_e.doc / Apr-16
Page 10 / 15
The actual communication state of the slave unit is indicated by display (PB340, PB541) or by
the front LED (PB306):
Display:
(PB340, PB541)
LED:
(PB306)
PROFIBUS-DP state:
Device state:
“ . . . . . . ”
off
Power_on
initialization
“ - - - - - - ”
flashing slowly
Wait_Prm
Wait_Cfg
Ready, waiting for start-up
“XXXXXX”
(output data)
on
Data_Exchange
Communication active
“_EXXX_”
flashing quickly
(Power_on)
Fatal Error
A fatal error can be reset only by switching of power supply.
