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Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
Troubleshooting
AS-i master command errors – error codes M01...M44
492
Error message
Cause(s)
Remedy
Invalid address
This error message has a multiple meaning and
thus depends on the requested command:
1.
The attempt was made to write a parameter
to slave 0.
►
Correct the slave address to a value of
1...31
dec
.
2.
During readdressing the address 0 or 0B
was indicated as start and target address.
►
Indicate valid address.
M14
3.
During the attempt to write the "Extended ID
code 1" the address 0 was used.
►
Indicate valid address.
Slave interrupted 7.4 transfer
The addressed 7.4 slave has stopped the transfer.
Possible cause:
Error in the 7.4 data of the PLC.
Possible causes:
1.
Interference on the bus.
►
Remove the cause of the interference.
M15
2.
Software error in the AS-i slave.
►
Contact slave manufacturer.
M16
Slave deleted during active transfer
During an active 7.4 protocol transfre the slave
was deleted from the list of active slaves by the
master.
Possible cause:
Interference on the bus.
►
Remove the cause of the interference.
M17 7.4
transfer
active
The attempt was made to start a new 7.4 transfer
during an active 7.4 protocol transfer.
►
Repeat
command.
M18
7.4 host sequence failure
The sequence bit was set to 1 by the host or the
PLC although a value < 30
dec
was indicated in the
"Dlen" data field.
►
Correct value "Dlen".
or:
►
Change sequence bit.
M19
Invalid 7.4 data length
The indicated data length "Dlen" is not a multiple
of the factor 3.
►
Correct value "Dlen".
A 7.4 protocol transfer always consists of several
data triples.
M20 Invalid
command
Master received an unknown command.
►
Check the cause for the wrong command
and correct.
M21
Safety monitor protocol error
During the processing of the safety monitor
protocol a transmission error occurred.
Possible cause:
Interference on the bus.
►
Check the cause for the wrong command
and correct.
M22 Timeout
command
The execution of the master command exceeded
the permissible execution time. The command
was cancelled.
►
Remove the cause of the interference.
Details
command description
M23
Command requirements not met
The necessary conditions for the execution of the
master command to be executed are not met.
►
Correction of parameters which are
necessary for the execution of the AS-i
master command!
Details
command description
M24…M32 reserved
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