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Installation manual
CNC 8055
CNC 8055i
14.
AXES CONTROLLED FROM THE PLC
SOFT: V02.2X
PLC execution channel
Errors during execution
When the CNC detects an execution error in one of the two execution channels (for example, travel
limit overrun), it will show the corresponding error code.
If it must also stop the movement of the axes and the spindle rotation, the CNC will stop the
movement of all the axes regardless of whether they are controlled from the CNC or the PLC.
Also, if the detected error stops the program execution, the CNC will stop the execution of both
channels and each one of them will act as follows:
CNC channel.
Once the cause of the error has been removed, select again the execution or simulation mode and
continue with the program execution.
PLC channel.
The PLC program does not stop and continues running.
The commands sent by means of action "CNCEX" will not be executed until removing the cause
of the error.
Once the cause of the error removed, the CNC will execute all the new commands sent by the PLC.
To know from the PLC program whether any CNC error is active, this information can be requested
by accessing the internal CNC variable "CNCERR". This variable indicates the error number being
active at the CNC and if none is active, it returns a 0 value.
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