Normal Operating Status; Error Display Of The Module/Network Status Led - Festo 03-B Electronic Manual

5. Diagnosis and error treatment

5.1.2 Normal operating status

Reaction Colour
Green

5.1.3 Error display of the module/network status LED

Reaction Colour
None
Flashes green
Flashes red,
fast
Flashes red,
slowly
Festo P.BE-VIDN-03-8A-GB 0003NH
In normal operating status the LED for the module/network
status lights up green.
Operating status
Normal; the valve terminal is
online and is connected to a
communication partner
Operating status
– The bus interface of the valve
terminal is not supplied with
power.
– The valve terminal does not
recognize any communica-
tion on the bus.
The valve terminal is ready for
data exchange and is online on
the bus. However, there is no
communication with a partner
(master). Possibly the valve ter-
minal is not yet assigned to
a master.
Non-permitted station number
is set.
Fault can be rectified
– Valve terminal has recog-
nized communication time-
out.
– Valve terminal has not been
addressed for a long period
(time-out time).
Error treatment
None
Error treatment
S Check power supply to bus
interface/internal logic
S Check set baud rate
S Check physical connection to
bus and terminating resistor
S Complete configuration.
Check/correct scan list of ap-
propriate master.
S Set a station number be-
tween 0...63.
S Physical bus connection is
interrupted. Check master
for communication ability
S Reset time-out status of
valve terminal by reallocat-
ing. Reconnect valve terminal
to the bus.
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