User`s manual

170 INT 110 03
87
LED Display
LED display
location
LED display location:
LED display
status
LED display status
UL
RC
BA
RD
LED Status Meaning
UL green Supply voltage
RC green Remote Bus Check.
Incoming remote bus correctly connected and bus reset of bus
master inactive.
BA green Bus active
Data telegrams are being transmitted.
RD yellow Remote Bus Disabled.
Extended remote bus is switched off.