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Error code
continuous,
regular fla-
shing
1 pulse
2 pulses
3 pulses
4 pulses
56
(a)
(b)
Error argu-
ment
0 pulses
0 pulses
1 pulse
2 pulses
0 pulses
n pulses
(n>0)
0 pulses
0 pulses
a)
Rapid flashing:
Start of the error code
b) First slow pulse:
Type of error
c)
Second slow pulse:
Error location
IMPORTANT! The number of pulses
(c)
indicates the location of the last field
bus terminal prior to where the error
occurred. Passive field bus terminals
(e.g. supply terminals) are not counted.
Cause
Problems with elec-
tromagnetic compati-
bility (EMC)
EEPROM check sum
error
Inline code buffer
overflow.
Too many entries in
the table
Unknown data type
Programmed configu-
ration incorrect table
entry/bus coupler
(Terminal n) table
comparison incorrect
Terminal bus com-
mand error
Terminal bus data er-
ror
Remedy
Check power supply for
extremes in undervolta-
ge or overvoltage
Implement EMC measu-
res
If there is a K bus error,
the error can be locali-
sed by restarting the
field bus coupler (swit-
ching it off and on again)
Set manufacturer's set-
ting with the KS2000
Insert fewer terminals
Update field bus coupler
software
Check that programmed
configuration is correct
Incorrect table
entry/bus coupler
No terminal inserted,
connect terminal
A terminal is faulty
Disconnect half the ter-
minals and check whe-
ther the error recurs.
Continue this process
until the faulty terminal
is located
Check whether the n+1
terminal is correctly in-
serted, replace if ne-
cessary
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