Instructions
Gateway component for DeviceNetTM
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3.3 Status LEDs
The signals of the status LEDs for DeviceNet have the following
meaning:
LED
designation
Signal Meaning
Power off Gateway not running
blinks, green Initialization phase not yet completed
on, green All system components are functioning
perfectly
flashes, red Correctable error (e.g. second gateway
component missing)
on, red Serious error/defect in the gateway
NS off Device is offline
Possible causes:
– The Dup_MAC_ID-Test has not yet been
completed
– No voltage present (s. module status LED)
No network connection
blinks, green Online, no connection was established
green Connection established
flashes, red At least one I/0 connection is in timeout
state.
red Critical error
An error has occurred preventing the
connection to the network (e.g. dupli-
cate MAC ID, fieldbus is offline).
flashes red and
green
Communication error
A network access error was detected.
Overview