Burkert Type 8645 - Manual (Page 70)

70 - 8645
ConfiGuraTion anD funCTion of The moDules
English
Status of the buS STATuS LEDs
LED unit condition Explanation problem Solving
Dark no power /
not online Unit has no supplied power.
Unit has not yet finished the Du-
plicate MAC ID test.
(Test takes approx. 2 hrs.)
Unit can not finish Duplicate
MAC ID test.
•
•
•
Connect further units, in case this
unit is the only one in network.
Exchange the unit.
Check baud rate.
Check bus connection.
•
•
•
•
Green Online,
connection to
master exists Normal operating conditions with
established connection to master.
Green,
blinking Online,
no connection to
master Normal operating conditions without
established connection to master.
Red,
blinking Connection
TIME OUT One or more I/O connections are in
a TIME OUT status. Establish new connection through
Master to ensure that the I/O data is
cyclically transferred.
Red Critical error A further unit with the same MAC
ID address is in the loop.
The bus connection is missing
due to communications problems.
•
•
Check baud rate.
Exchange the unit if necessary.
•
•
After current is applied, the following function test for the BUS STATUS LED’s is conducted:
• BO LED briefly glows green (approx. 1/4 s)
• BF LED briefly glows red (approx. 1/4 s)
• LEDs to out