Westermo FD-20 - Manual (Page 12)

12 6630-2220
6.3 Indicators
6.3.1 LED indicators
PWR On In service (power)
Off Out of service
TD On Transmit serial (RS-232/485) data
Off –
RD On Receive serial (RS-232/485) data
Off –
RUN On Running, PROFIBUS DP and serial (RS-232/485)
transfer in operation. Exchanging data with all slaves.
Flashing (2 Hz) PROFIBUS DP error,
e.g. missed data exchange with a slave
Off –
DIAG On Stat_Diag (static diagnostics) set
Off –
CONF On Configuration mode
Flashing (2 Hz) Missed or invalid configuration
Flashing (once) The received serial (RS-232/485) data length
≠
slaves output data length (as defined by configuration)
Off –
BA On PROFIBUS DP in operation
Flashing (2 Hz) Failed PROFIBUS DP master initiation
Off –