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88 •
Fieldbus coupler/controller
Review
I/O-LED
green
off
red
red
blinks
red
blinks cyclically
3.2.9.4 Fault message via the blink code of the I/O LED
Fault argument
Fault code 1: Hardware and configuration fault
Fault code 2: Fault in programmed configuration
Fehlercode 3: Kommandofehler Klemmenbus
Fault code 4: Internal bus data fault
Fault code 5: Register communication fault
Fault code 6: Fieldbus specific fault
Fault code 7: I/O module not supported
Fehlercode 8: unbenutzt
Fault code 9: CPU TRAP error
Meaning
Data cycle on the internal bus
No data cycle on the internal bus
Coupler hardware defective
a) When starting: internal bus is initialized
b) During operation: general internal bus fault
Fault message during internal bus reset and
internal fault.
Fault description
0
EEPROM check sum fault / check sum
fault in parameter area of the flash
memory
1
Overflow of the internal buffer memory
for the inline code
2
Unknown data type
3
Module type of the flash program
memory could not be determined / is
incorrect
4
Fault during writing in the flash mem-
ory
5
Fault when deleting the FLASH mem-
ory
6
Changed I/O module configuration
found after AUTORESET
7
Fault when writing in the serial
EEPROM
8
Invalid firmware
9
Checksum error serial EPROM
10
Initial error serial EPROM
11
Read error serial EPROM
12
Timeout error serial EPROM
n* (n<0, n>65)
Incorrect table entry
0
I/O module(s) has (have) identified
internal bus command as incorrect.
n* (n<0, n>65)
Interruption after the nth module
n* (n<0, n>65)
Module bus fault during register com-
munication
Fault code 6 is not implemented
n*
I/O module not supported at position n
0
Fault code 8 is not used.
Trouble shooting
Change the controller
Evaluate the fault signal (fault code
and fault argument)
Evaluate the fault signal (fault code
and fault argument)
Trouble shooting
Change the fieldbus coupler
Change the fieldbus coupler
Change the fieldbus coupler
Change the fieldbus coupler
Change the fieldbus coupler
Change the fieldbus coupler
Change the fieldbus coupler
Change the entry in the configuration for
I/O module n.
Determine where the module bus has been
interrupted by removing the fieldbus cable.
Plug the end module in the middle of the
node. Switch the coupler off and on again.
If the I/O LED keeps blinking, displace the
end module anew. If there is only one
module left which is connected to the
coupler and if the I/O LED lights up, either
the module or the coupler is defective.
Change the defective component.
Replace the nth module within the node
Replace the nth module within the node
L
ON
®
W
ORKS
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