Siemens SINUMERIK 840D Diagnostics Manual page 66
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1 Alarms
Reactions:
Remedy:
Program Continuation:
6406
Parameters:
Definitions:
Reactions:
1-66
3 Execute tool change
4 Prepare tool change and execute with T command
5 Prepare tool change and execute with M command
7 Terminate canceled tool command
8 Check tool movement with reservation
9 Check tool movement
0 Transport acknowledgement
Parameters 2 and 3 designate the PLC command and the status number of the acknowl-
edgement.
Example: Parameter 4 of the alarm message is 10. It is not defined whether a buffer loca-
tion for asynchronous tool motion must be reserved. In the example, the parameter is
ignored by the NCK. Further possible causes for the alarm: The tool change defined by
the command is not possible. The magazine location specified in the invalid parameter
does not exist in the magazine.
The 3rd parameter - error identification - gives a more detailed description of the alarm.
Meanings:
• 0 = not defined
• 1 = status not allowed or undefined status received by PLC
• 2 = source and/or target magazine no./location no. unknown
• 3 = not defined
• 4 = target magazine no. and/or location no. in tool motion command not end target
• 5 = not defined
• 6 = source and/or target magazine no./location no. unknown during tool change
• 7 = PLC comm. with inconsistent data: either inconsistent magazine addresses in VDI or
NCK command unequal to PLC acknowledgement or both
• 8 = PLC comm. with inconsistent data: while rejecting a tool, the tool to be rejected was
unloaded asynchronously. NCK cannot perform a new selection.
• 9 = PLC comm. with inconsistent data: the command acknowledgement data wants to
move a tool to a location that is occupied by another tool.
• 10 = it is not defined whether a buffer location for asynchronous tool motion must be
reserved.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Please inform the authorized personnel/service department. Erroneous PLC communica-
tion: Correct the PLC program.
Clear alarm with the RESET key. Restart part program.
Channel %1 PLC acknowledge for command %2 is missing
%1 = Channel ID
%2 = Command no.
There is still no acknowledgement from the PLC for the tool change. The NCK cannot
continue processing until it receives this acknowledgement for the specified command
number. Possible command number values are described for alarm 6405.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Diagnostics Guide (DA), 10.04 Edition
10.04
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